WO2022192652A1 - Naloxone for use in the treatment of a opioid overdose administerd by a drug delivery device - Google Patents
Naloxone for use in the treatment of a opioid overdose administerd by a drug delivery device Download PDFInfo
- Publication number
- WO2022192652A1 WO2022192652A1 PCT/US2022/019918 US2022019918W WO2022192652A1 WO 2022192652 A1 WO2022192652 A1 WO 2022192652A1 US 2022019918 W US2022019918 W US 2022019918W WO 2022192652 A1 WO2022192652 A1 WO 2022192652A1
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- WIPO (PCT)
- Prior art keywords
- naloxone
- applicator
- composition
- hydrochloride
- population
- Prior art date
Links
- 229960004127 naloxone Drugs 0.000 title claims abstract description 513
- 208000012488 Opiate Overdose Diseases 0.000 title claims abstract description 45
- 238000011282 treatment Methods 0.000 title claims description 37
- UZHSEJADLWPNLE-GRGSLBFTSA-N naloxone Chemical compound O=C([C@@H]1O2)CC[C@@]3(O)[C@H]4CC5=CC=C(O)C2=C5[C@@]13CCN4CC=C UZHSEJADLWPNLE-GRGSLBFTSA-N 0.000 title abstract description 5
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- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 claims description 6
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- RMRJXGBAOAMLHD-IHFGGWKQSA-N buprenorphine Chemical compound C([C@]12[C@H]3OC=4C(O)=CC=C(C2=4)C[C@@H]2[C@]11CC[C@]3([C@H](C1)[C@](C)(O)C(C)(C)C)OC)CN2CC1CC1 RMRJXGBAOAMLHD-IHFGGWKQSA-N 0.000 claims description 3
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- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 claims description 3
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/485—Morphinan derivatives, e.g. morphine, codeine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/16—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing nitrogen, e.g. nitro-, nitroso-, azo-compounds, nitriles, cyanates
- A61K47/18—Amines; Amides; Ureas; Quaternary ammonium compounds; Amino acids; Oligopeptides having up to five amino acids
- A61K47/183—Amino acids, e.g. glycine, EDTA or aspartame
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0043—Nose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/08—Solutions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0618—Nose
Definitions
- the invention relates to devices for intranasal administration of naloxone and methods of using the devices for treating an opioid overdose.
- the devices comprise a foam applicator and are configured to locate an applicator comprising a naloxone composition in proximity to the middle turbinate and/or inferior turbinate.
- Naloxone can be delivered to the nasal mucosa by squeezing the nostril against the applicator.
- the device and methods of using the devices can be used to treat an opioid overdose.
- Naloxone antagonizes opioid effects by competing for opioid receptor sites. Naloxone reverses the effects of opioids, including respiratory depression, sedation, and hypotension. Naloxone can also reverse the psychotomimetic and dysphoric effects of agonist-antagonists such as pentazocine.
- Naloxone first approved by the Food and Drug Administration (FDA) in 1971, is a safe and effective opioid antagonist used to treat and reverse opioid overdoses.
- FDA Food and Drug Administration
- IM intramuscular
- Naloxone hydrochloride nasal spray is indicated for the emergency treatment of a known or suspected opioid overdose, as manifested by respiratory and/or central nervous system depression.
- Naloxone hydrochloride nasal spray is intended for immediate administration as emergency therapy in settings where opioids may be present.
- the recommended initial dose of naloxone hydrochloride nasal spray in adults is a single spray delivered by intranasal administration into one nostril.
- naloxone hydrochloride nasal spray Following a single intranasal administration of naloxone hydrochloride nasal spray at a dose of 2 or 4 mg, the mean plasma half-life of naloxone in healthy adults is about 1.85 hours (33% coefficient of variation (CV)) and 2.08 hours (30% CV); respectively, which is longer than that observed after administration of a 0.4 mg naloxone hydrochloride by IM injection, where the half-life is 1.24 hours (26% CV).
- Intranasal administration of naloxone hydrochloride is a clinically effective method for treating an opioid overdose. Intranasal administration can provide for rapid absorption and onset of action; high plasma bioavailability; direct transport to central nervous system from the highly vascularized venous regions of the nasal mucosa to the cardiopulmonary system then quickly to the brain; limited need for intravenous access; and ease of use and familiarity for consumers, as well as health care professionals.
- devices for administering naloxone to a patient comprise: a handle comprising a proximate end and a distal end; a nasal stop attached to the handle toward the distal end; and an applicator coupled to the distal end, wherein the applicator comprises a foam, wherein the distance between the nasal stop and the distal end of the applicator is from 15 mm to 31 mm.
- methods for treating an opioid overdose in a patient comprise: (a) inserting the applicator of the device according to the present invention into the nasal cavity of a nostril of a patient having an opioid overdose; (b) bringing the stop into contact with the anterior naris to situate the applicator in proximity to the middle turbinate and the inferior turbinate; and (c) squeezing the nostril against the applicator for from 1 seconds to 5 seconds to release the naloxone hydrochloride composition from the applicator and to administer the naloxone hydrochloride composition to the nasal mucosa, to thereby treat the opioid overdose.
- FIG. 1A shows an example of a device provided by the present disclosure.
- FIG. IB shows an example of the device of FIG. 1 A with a removable cap 106 on top of and covering the applicator of the device, which also includes a handle and a stop.
- FIGS. 2A and 2B show an example of a foil envelope 200 enclosing a device provided by the present disclosure.
- FIG. 2A shows a device enclosed within a foil envelope.
- FIG. 2B shows a device partially exposed with a foil envelope partially pulled back.
- FIG. 3 shows an example of a method for using a device provided by the present disclosure to deliver naloxone hydrochloride to an individual.
- FIG. 4 shows ex vivo dose delivery results for delivery of naloxone hydrochloride using a device provided by the present disclosure.
- FIG. 5 shows the plasma naloxone pharmacokinetic (PK) profde collected from 10 human subjects following administration of naloxone hydrochloride using different methods and/or doses.
- PK pharmacokinetic
- FIG. 6 shows the graph of FIG. 5 with the addition of data for an additional treatment modality labeled Treatment 2.
- Treatment 2 naloxone hydrochloride was administered by means of a single nasal spray containing 4 mg of naloxone hydrochloride.
- FIG. 7 shows a table summarizing the PK parameters for the PK profiles shown in FIGS. 5 and 6.
- FIG. 8 shows a table with examples of administration methods intended to reduce the amount of residual naloxone composition remaining on the applicator after administration.
- FIG. 9 shows the plasma naloxone pharmacokinetic profile during the first hour following administration of a naloxone composition using different administration methods.
- FIG. 10 shows the plasma naloxone pharmacokinetic profile during the first 12 hours following administration of a naloxone composition using different administration methods.
- FIG. 11 A is an illustration showing the anatomy of the nose.
- FIG. 1 IB is an illustration showing a cross-section of the nose with a device provided by the present disclosure having an applicator situated within the nasal cavity and proximate the middle turbinate and the inferior turbinate.
- FIGS. 12A-12C show views of an example of a device provided present disclosure.
- FIGS. 13A-13B show other examples of nasal delivery devices provided by the present disclosure.
- FIGS. 14A-14B show other examples of nasal delivery devices provided by the present disclosure.
- FIGS. 15A-15B show other examples of nasal delivery devices provided by the present disclosure.
- FIGS. 16A-16B show other examples of nasal delivery devices provided by the present disclosure.
- FIGS. 17A-17B show other examples of nasal delivery devices provided by the present disclosure.
- any numerical range recited herein is intended to include all sub-ranges subsumed therein.
- a range of “1 to 10” is intended to include all sub-ranges between (and including) the recited minimum value of 1 and the recited maximum value of 10, that is, having a minimum value equal to or greater than 1 and a maximum value of equal to or less than 10.
- Dose of naloxone hydrochloride refers to the amount of naloxone delivered to the nasal mucosa using the devices and methods provided by the present disclosure.
- the dose of naloxone hydrochloride delivered can be determined by comparing the amount of naloxone hydrochloride initially retained by an applicator with the amount of naloxone hydrochloride remaining on the applicator after administration of the naloxone hydrochloride composition to the nasal mucosa.
- the dose of naloxone hydrochloride delivered by an applicator dose not necessarily correspond to the amount of naloxone absorbed by the nasal mucosa and entering the systemic circulation of a patient.
- Pharmacokinetic parameters can be determined by taking plasma samples of an active pharmaceutical ingredients following administration of pharmaceutical composition comprising an active pharmaceutical ingredient to a subject and determining the concentration of the active pharmaceutical ingredient in the plasma samples using, for example, liquid chromatography tandem mass-spectroscopy.
- the pharmacokinetic parameters can be estimated using PhoenixTM WinNonlin® version 8.1 (Pharsight Corporation, USA) and Microsoft® Excel® 2016 (Microsoft Corporation, USA).
- [39] ” refers to the area under the plasma concentration-time curve from time 0 to the time of the last quantifiable concentration.
- [40] refers to the area under the plasma concentration-time curve from time 0 to infinite time, calculated as the sum of and
- [41] refers to the area under the plasma concentration-time curve during a dosing interval
- the interval can be, for example, 1 hour, 2 hours, 3 hours, 4 hours, 6 hours or 8 hours after dosing.
- [42] refers to the partial area under the curve from time 0 to time t minutes following administration.
- Naloxone composition refers to a pharmaceutical composition comprising naloxone hydrochloride.
- Bioequivalent refers to a formulation and/or pharmaceutical composition that is therapeutically equivalent to a reference product when administered under the same conditions in a pharmacokinetic evaluation conforming to FDA Guidance on Bioequivalence Testing; regardless of biopharmaceutical class.
- a value that is “bioequivalent” refers to a pharmacokinetic value such as the C max or AUC that exhibits substantially similar pharmacokinetic profiles and/or therapeutic effects. Bioequivalence may be demonstrated by several in vivo and in vitro methods. These methods may include, for example, pharmacokinetic, pharmacodynamic, clinical and in vitro studies. Bioequivalence can be demonstrated using any suitable pharmacokinetic measures or combination of pharmacokinetic measures known in the art, including loading dose, steady-state dose, initial or steady-state concentration of drug, biological half-life, elimination rate, area under the curve (AUC), clearance, the peak blood or plasma concentration (C max ), time to peak concentration (T max ), bioavailability and potency. In some embodiments, a value is bioequivalent to a reference pharmacokinetic value when the geometric mean of the AUC and/or the C max is between 80% and 125% (e.g., at 90% confidence interval) of the reference pharmacokinetic value.
- a similar or bioequivalent pharmacokinetic profile refers to a pharmacokinetic profile for which the mean of a pharmaceutical composition is from 80% to 125% of the mean a reference composition in a suitably designed cross-over trial, the mean plasma concentration at 8 hours of the pharmaceutical composition is from 40% to 130% of the mean plasma concentration at 8 hours of the reference composition, and/or that the maximum plasma concentration (C max ) of the pharmaceutical composition is from 50% to 140% of the C max of the reference composition.
- Treating” an opioid overdose refers to reversing the cause of an opioid overdose.
- naloxone acts as an opioid antagonist and reverses the cause of an opioid overdose by binding to opioid receptors and blocks the effects of other opioids.
- an opioid antagonist such as naloxone can restore normal breathing in a person having an opioid overdose.
- “Therapeutically effective amount” refers to the amount of a pharmaceutically active ingredient such as naloxone for treating an opioid overdose.
- “Therapeutically effective dose” refers to a dose of naloxone hydrochloride that is effective in reversing the effects of an opioid overdose.
- a therapeutically effective dose may be determined in accordance with routine pharmacological procedures known to those skilled in the art.
- Embodiments of a device provided by the present disclosure include an applicator that is configured to hold a naloxone composition in a manner so that when the device is placed within proximity to or within direct contact with the nasal mucosal, the naloxone composition is released from the applicator onto the nasal mucosa accurately and reproducibly.
- a device provided by the present disclosure are configured to both hold a naloxone composition and release the naloxone composition onto the nasal mucosa when used with a pre-determined accuracy and precision.
- a device provided by the present disclosure is configured to hold a naloxone composition on a surface of the device and release the naloxone composition onto a nasal mucosa located within a nasal passage with a pre-determined accuracy and precision.
- Release of the naloxone composition may be a total release, such as release the total amount of the naloxone composition initially held by the device or a partial release of the naloxone composition, such as release of less than the total amount of the naloxone composition that is held by the device to meet a pre-determined accuracy and precision.
- Both a device and method provided by the present disclosure are suitable for intranasally administering a naloxone composition to a patient in need thereof, such as a patient having an opioid overdose.
- a device and method provided by the present disclosure can be used for the administration of a naloxone composition to an individual in an emergency situation.
- a device and method provided by the present disclosure can be used for delivering naloxone hydrochloride to an individual experiencing an opioid overdose.
- a device provided by the present disclosure comprises an applicator configured to hold a naloxone composition and release the naloxone composition onto the nasal mucosa. Release of the naloxone composition onto the nasal mucosa can occur when the applicator holding the naloxone composition contacts the nasal mucosa. Pressure can be applied to the applicator during contact with the nasal mucosa to cause release of the naloxone composition onto the nasal mucosa. Contact such as a very light force applied to the applicator can result in the release of the naloxone composition onto the nasal mucosa.
- the material properties of the applicator facilitate achieving the desired accuracy and precision in dosing.
- a material can hold or retain a naloxone composition in a way that when released, a pre-determined accuracy and precision is consistently achieved.
- a device for delivering naloxone hydrochloride to the nasal mucosa of an individual can comprise: (a) an applicator comprising a polyurethane foam; (b) 70 ⁇ L to 350 ⁇ L of a naloxone composition that is held by the applicator, (c) a handle attached to the applicator; such as a polyurethane applicator, and wherein, for example, the polyurethane applicator has a pore count from 60 pores/in to 100 pores/in, a pore size of 0.01 in to 0.0167 in (0.25 mm to 0.42 mm) and a density of from 1.7 lb/ft 3 to 2.5 lb/ft 3 (27 kg/m 3 to 40.0 kg/m 3 ).
- the polyurethane is a reticulated foam.
- the naloxone composition comprises from 20 mg/mL to 80 mg/mL naloxone hydrochloride, such as 60 mg/mL of naloxone hydrochloride.
- a device can comprise an applicator configured to release, for example, from 1 mg to 20 mg of naloxone hydrochloride such as from 4 mg to 20 mg of naloxone hydrochloride with an RSD (relative standard deviation) less than 6% for a single use of the device.
- a device can include a stop that is attached to the handle and is configured such that during use the applicator is situated in proximity to the middle turbinate and/or the inferior turbinate.
- a device can be at least partially enclosed in a secondary container closure system such as a foil envelope.
- a method for delivering naloxone hydrochloride to the nasal mucosa of an individual in need of treatment with naloxone hydrochloride comprising: (a) receiving a device having an applicator and a handle, wherein the applicator comprises a polyurethane foam that holds, for example, from 70 ⁇ L to 350 ⁇ L of a liquid composition containing the naloxone; (b) inserting the applicator into a nasal passage of the individual; and (c) releasing the naloxone composition containing onto the nasal mucosa of the individual by contacting the nasal mucosa of the individual with the applicator.
- the applicator comprises a polyurethane foam having a pore count from 60 pores/in to 100 pores/in, pore size of 0.01 in to 0.0167 in, and a density of from 1.7 lb/ft 3 to 2.5 lb/ft 3 (27 kg/m 3 to 40.0 kg/m 3 ).
- the polyurethane foam is a reticulated polyurethane foam.
- the naloxone composition comprises a naloxone hydrochloride concentration from 40 mg/mL to 80 mg/mL, such as from 50 mg/mL to 80 mg/mL or from 50 mg/mL to 70 mg/mL such as 60 mg/mL.
- releasing the naloxone composition onto the nasal mucosa of the individual results in release of from 4 mg to 20 mg of naloxone hydrochloride with a (RSD) relative standard deviation less than 6% in a single use of the applicator.
- the device includes a stop that is attached to the handle and positions the applicator in proximity to the middle turbinate and/or the inferior turbinate and prevents the applicator from advancing deep into the nasal passage when the stop contacts a nostril of the individual.
- the method comprises the step of removing the device from a secondary container closure system such as a foil envelope, wherein the step is carried out after step (a).
- an individual who carries out step (b) is a different individual than the individual in need of treatment with naloxone hydrochloride.
- step (c) is carried out a single time, and wherein carrying out step (c) the single time results in release of from 4 mg to 20 mg of naloxone hydrochloride with a relative standard deviation (RSD) less than 6% onto the nasal mucosa of the individual.
- step (c) results in release of at least 80% of the volume of the naloxone composition initially retained by the application from the applicator during administration.
- an amount of naloxone hydrochloride released onto the nasal mucosa in step (c) increases linearly as the amount of the naloxone composition held by the applicator increases.
- a device provided by the present disclosure includes an applicator and a handle.
- the device further includes a nasal stop configured to prevent the applicator from being inserted past a certain point within the nasal cavity.
- a device can include a cap configured to at least partially cover the applicator prior to use.
- a device can include a secondary container closure system such as a wrapper or pouch that seals the device within it or at least partially seals the device within it.
- a device provided by the present disclosure can be configured to hold and release a naloxone composition and in some embodiments the device is configured to one or more active pharmaceutical ingredients in addition to naloxone hydrochloride.
- a device provided by the present disclosure does not penetrate or abrade a nasal mucosa upon which the applicator delivers a naloxone composition. That is, in these embodiments, a device provided by the present disclosure does not inject a naloxone composition into the nasal mucosa. For example, embodiments of a device provided by the present disclosure do not include penetrating components such as microneedles but rather release a naloxone composition onto the surface of the nasal mucosa without penetrating that nasal tissue.
- FIG. 1A shows an example of a device provided by the present disclosure.
- the device comprises an applicator 100, a handle 102, and a stop 104.
- an applicator 100 is configured to both hold and release a naloxone composition.
- the applicator 100 shown in FIG. 1A has the shape of a swab, the swab having an oblong bulbous shape.
- An applicator 100 can hold a naloxone composition and can release a naloxone composition.
- An applicator 100 can be configured to release a naloxone composition in a way that is reproducible and reliable such that each device that includes the same applicator 100 will have a similar release profile.
- a handle 102 is described in greater below and is in general configured to provide a handhold for an individual to use to direct the applicator toward a target site such as, for example, the nasal mucosa at the tip of the middle turbinate and/or inferior turbinate.
- a stop 104 can be sized and positioned at a location along the handle so that the applicator is directed proximate to the intranasal target site and is prevented from being advanced too far into the nasal passage by physically blocking further advance. In the example shown in FIG.
- the device is configured for insertion into a nasal passage, and as such the stop 104 has a diameter that is wider than a nostril diameter so that the stop contacts the exterior of the nostril when the applicator is inserted into the nasal cavity and blocks advance of the device into the nasal cavity past the location of the stop 104.
- a stop can be configured to protect an individual receiving the naloxone therapy by the applicator 102 from an injury caused by the applicator being inserted too far into the nasal passage.
- a device provided by the present disclosure can include an applicator 100 and a handle 102, and in certain embodiments a device can further include a stop 104. [64] FIGS.
- 13A, 14A, 15A, 16A, and 17A show additional examples of intranasal delivery devices including an applicator 1300/1400/1500/1600/1700, a handle 1302/1402/1502/1602/1702, and a nasal stop 1304/1404/1504/1604/1704.
- a handle and stop can be made of any suitable material such as a thermoplastic or thermoset.
- thermoplastic or thermoset can be sterilizable and can be selected from a sterilizable grade of a thermoplastic or thermoset.
- thermoplastics examples include polypropylene, polyethylene, polyurethane, and combinations of any of the foregoing.
- a device provided by the present disclosure can have dimensions configured to deliver a naloxone composition to the nasal mucosa in the region of the nasal cavity proximate to the middle turbinate and/or the inferior turbinate. This region of the nasal cavity is highly vascularized and thereby can facilitate absorption of an applied pharmaceutical composition into the systemic circulation.
- FIG. 11 A A cross-sectional profile of the human nasal cavity is provided in FIG. 11 A.
- the tip of the middle turbinate and the tip of the inferior turbinate are located about 15 mm and about 25 mm, respectively, from the anterior naris (nasal opening).
- the tip of the anterior turbinate is located about 35 mm from the nasal opening.
- the nasal opening of an adult human has a diameter from about 10 mm to about 12 mm.
- an applicator provided by the present disclosure can be inserted into the nasal vestibule through the nasal opening such that the applicator is adjacent the middle turbinate and/or the inferior turbinate.
- the stop of the device sets the position of the applicator within the nasal cavity during use.
- FIGS. 12A and 12B show dimensions for an example of a device provided by the present disclosure.
- a handle can be of any suitable dimension to facilitate insertion of the applicator into the nasal cavity.
- the handle 1201 can have a total length A, for example, from 3 in to 5 in (76 mm to 127 mm), such as from 3.25 in to 4.75 in (82 mm to 121 mm), from 3.5 in to 4.5 in 89 mm to 114 mm), or from 3.75 in to 4.25 in (95 m to 108 mm).
- a stop 1202 can be situated to facilitate the ability of the applicator to contact the nasal mucosa in the region of the middle turbinate and inferior turbinate.
- a stop 1202 can have any suitable width B such as to cause the stop to rest against the anterior naris during use and resist further penetration of the applicator into the nasal cavity.
- a stop has a width that is wider than the nostril opening of a patient.
- the stop can be in the shape, for example, of a substantially flat tab or can be in the shape of a disc surrounding the handle. Referring to FIG.
- a stop in a device provided by the present disclosure can have a width F, for example, from 0.3 in to 0.7 in (7 mm to 18 mm), such as from 0.35 in to 0.65 in (9 mm to 16 mm), from 0.4 in to 0.6 in (10 mm to 15 mm), or from 0.45 in to 0.55 in (11 mm to 14 mm).
- a stop can have a width F, for example, greater than 9 mm, greater than 10 mm, greater than 12 mm, greater than 14 mm, or greater than 16 mm.
- a stop can have a length B, for example, from about 0.2 in to 0.4 in (5 mm to 10 mm).
- an applicator 1203 can have a length C, for example, from 0.7 in to LI in (18 mm to 28 mm), such as from 0.75 in to 1.05 in (19 mm to 27 mm), from 0.8 in to 1.0 in (20 mm to 25 mm), or from 0.85 in to 0.95 in (21 mm to 24 mm).
- an applicator 1203 can have a width (diameter) D, for example, from 0.15 in to 0.45 in (3.8 mm to 11.4 mm), such as from 0.2 in to 0.4 in (5.1 mm to 10.2 mm), or from 0.25 in to 0.35 in (6.35 mm to 8.9 mm).
- the distance E between the stop 1202 and the proximate edge of the applicator 1203 can be, for example, from 0.15 in to 0.45 in (3.8 mm to 11.4 mm), such as from 0.2 in to 0.4 in (5.1 mm to 10.2 mm), or from 0.25 in to 0.35 in (6.35 mm to 8.9 mm).
- the distance G between the stop 1202 and the distal edge of the applicator 1203 can be, for example, from 0.9 in to 1.5 in (23 mm to 38 mm), such as from 1.0 in to 1.4 in (25.4 mm to 35.6 mm), or from 1.1 in to 1.3 in (27.9 mm to 33 mm).
- the handle 1201 can have a length A from 3 in to 5 in (76 mm to 127 mm), the stop 1202 can have a width F from 0.4 in to 0.6 in (10.2 mm to 15.2 mm), the applicator can have a length C from 0.7 in to 1.1 in (17.8 mm to 27.9 mm), the applicator 1203 can have a width D from 0.2 in to 0.4 in (5.1 mm to 10.2 mm), the distance between the stop and the proximate edge of the applicator can be from 0.2 in to 0.4 in (5.1 mm to 10.2 mm), and the distance between the stop and the distal end of the applicator can be from 1.0 in to 1.4 in (25.4 mm to 35.6 mm).
- the handle in a device provided by the present disclosure, can have a length A of 4 in (102 mm), the stop can have a width F of 0.5 in (12.7 mm), the applicator can have a length C of 0.9 in (22.9 mm), the applicator can have a width D of 0.3 in (7.6 mm), the distance E between the stop and the proximate edge of the applicator can be 0.3 in (7.6 mm), and the distance between the stop and the distal end of the applicator can be 1.2 in (30.5 mm).
- the device and in particular the distance between the stop and the proximate edge of the applicator and between the stop and the distal edge of the applicator, can be configured to position the applicator adjacent the respiratory mucosa in proximity to the tip of the middle turbinate and the inferior turbinate, which is 1.5 cm to 3 cm from the anterior naris and the nasal opening.
- FIGS. 12B and 12C show other views of the device shown in FIG. 12A.
- FIG. IB shows an embodiment of the device shown in FIG. 1A with a removable cap 106 covering the applicator of the device, and also shows a handle 102 and a nasal stop 104.
- the removable cap can protect the applicator before use and can be removed before use such as immediately before use.
- FIGS. 13B, 14B, 15B, 16B, and 17B show additional examples of intranasal delivery devices including a removable cap 1306/1406/1506/1606/1706, a handle 1302/1402/1502/1602/1702, and a nasal stop 1304/1404/1504/1604/1704.
- a removable cap provided by the present disclosure can be made using any suitable material such as a thermoplastic or thermoset.
- a removable cap can be made from the same material used to fabricate the handle and stop.
- the removable cap can be made from a sterilizable material such as a sterilizable grade of thermoplastic or sterilizable grade of thermoset.
- a removable cap can be dimensioned to cover and protect the applicator during storage and removed without damaging the applicator.
- a removable cap can comprise, for example, polypropylene or polyethylene.
- the applicator of a provided by the present disclosure can be configured to hold and release a naloxone composition.
- the mechanism of holding and/or releasing a naloxone composition may include any suitable mechanical and/or chemical mechanism including, for example, absorption, capillary action, adsorption, chemical binding such as covalent and ionic, electrostatic coupling, and/or magnetic coupling.
- An applicator can hold or retain a naloxone composition on a surface of the applicator and/or interior surfaces and/or voids within the applicator in such a manner that the naloxone composition is retained in a stable form for a duration and is releasable from the applicator when the applicator is used.
- An applicator can be configured to hold a naloxone formulation for a duration until the naloxone formulation is caused to be released from the applicator.
- a duration over which a naloxone formulation can be held by an applicator provided by the present disclosure may be, for example, at least 15 minutes.
- a duration over which a naloxone composition can be held by an applicator may be at least 30 minutes.
- a duration over which a naloxone composition can be held by an applicator may be at least 1 hour.
- a duration over which a naloxone composition can be held by an applicator may be at least 2 hours.
- a duration over which a naloxone composition can be held by an applicator may be at least 5 hours.
- a duration over which a naloxone composition can be held by an applicator may be at least 10 hours.
- a duration over which a naloxone composition can be held by an applicator may be at least 1 day.
- a duration over which a naloxone composition can be held by an applicator may be at least one week.
- a duration over which a naloxone composition can be held by an applicator may be at least 1 month.
- a duration over which a naloxone composition can be held by an applicator may be at least 2 months.
- a duration over which a naloxone composition can be held by an applicator may be at least 3 months.
- a duration over which a naloxone composition can be held by an applicator may be at least 6 months.
- a duration over which a naloxone composition can be held by an applicator may be at least 9 months.
- a duration over which a naloxone composition can be held by an applicator may be at least 1 year.
- a duration over which a naloxone composition can be held by an applicator may be at least 2 years.
- a duration over which a naloxone composition can be held by an applicator may be at least 5 years.
- An applicator suitable for use with devices provided by the present disclosure can have various geometric shapes, both regular shapes and irregular shapes.
- an applicator is shaped as a swab having a bulbous tapering shape.
- Examples of applicator shapes suitable for use with embodiments of the device described herein include spheroid, ovoid, cuboid, cylindrical, pyramid, and diamond.
- a material suitable for an applicator can be any material that has both an ability to hold a naloxone composition and an ability to release the naloxone composition.
- An applicator can comprise a material that holds 100% of a naloxone composition and releases 100% of a naloxone composition when contacted to a surface, where percent (%) is based on the total weight and/or the total volume of the naloxone composition and can be determined using gravimetric analysis.
- An applicator can comprise a material that holds 100% of a naloxone composition and releases from 95% to 100% of a naloxone composition when contacted to a surface, where percent (%) is based on the total weight and/or the total volume of the naloxone composition.
- An applicator can comprise a material that holds 100% of a naloxone composition and releases from 90% to 95% of a naloxone composition when contacted to a surface, where percent (%) is based on the total weight and/or the total volume of the naloxone composition.
- An applicator can comprise a material that holds 100% of a naloxone composition and releases from 85% to 90% of the naloxone composition when contacted to a surface, where percent (%) is based on the total weight and/or the total volume of the naloxone composition initially held by the applicator. It should be understood that the performance of a material may vary to some degree from one test to another, and as such the ranges provided above are based on testing using a method as described herein.
- An applicator may comprise a material that is naturally occurring.
- naturally occurring materials suitable for use with an applicator provided by the present material include cotton, silk, or blends thereof refined to have a structural matrix able to meet the performance requirements for dose delivery.
- An applicator may comprise a synthetic material similarly with a structural matrix that enables holding a naloxone composition in a manner to enable release on to a surface that meets the performance requirements of dose delivery.
- synthetic material suitable for use for an applicator provided by the present disclosure include polyester, nylon, rayon, polyvinyl chloride, polyurethane, or blends thereof.
- An applicator may also comprise a material that blends or separately includes a naturally occurring and/or a synthetic material such as for example a cotton-rayon blend or for example an applicator that includes cotton and separately includes rayon (without the two being blended).
- An applicator may comprise a material arranged in different configurations.
- a suitable material include a sheet of material, a mesh such as a material comprising interwoven fabric, a foam, a reticulated material, a porous material or any combination of any of the foregoing.
- a suitable applicator material can be compressible or collapsible.
- a suitable applicator material can have a compression set, for example, greater than 10%, greater than 20%, greater than 30%, greater than 40%, greater than 50%, greater than 60%, greater than 70%, greater than 80%, or greater than 90%, where compression set is determined according to ASTM D395.
- a suitable applicator material can have a compression set, for example, from 10% to 100%, from 10% to 90%, from 20% to 80%, or from 20% to 70%, where compression set is determined according to ASTM D395.
- An applicator provided by the present disclosure can comprise a synthetic foam.
- a suitable synthetic foam can comprise, for example, a thermoplastic or a thermoset.
- thermoplastic foams examples include polyurethane foams, polyester foams, and polypropylene foams.
- a suitable applicator material can be sterilized such as for example using radiation and can be a sterilizable grade of a thermoplastic or thermoset material.
- a suitable foam can be a reticulated foam, such as a reticulated polyurethane foam.
- a suitable foam can be compressible.
- a suitable foam can have a compression set, for example, greater than 10%, where compression set is determined according to ASTM D395. It can be useful to use a foam having a low compression set such that following compression and release of a pharmaceutical composition onto a surface such as a nasal mucosa, the foam does not expand upon release of the pressure to cause the foam to reabsorb the released pharmaceutical composition to an appreciable extent.
- a suitable foam can be a collapsible foam.
- a naloxone composition is held entirely on at least one outer surface of an applicator.
- a naloxone composition is held both on an outer surface of an applicator and on one or more layers of material beneath the outer surface of the applicator (i.e., one or more inner layers of the applicator).
- a naloxone composition can be equally distributed between the outer layer of the applicator and the at least one inner layer of the applicator.
- a naloxone composition can be distributed on the outer surface of an applicator with less than 50% (vol% or wt%) of the naloxone composition being held by one or more inner layers of the applicator.
- a naloxone composition can be mainly held by one or more inner layers of an applicator with less than 50% (vol% to wt%) of a naloxone composition being held on the outer surface of the applicator.
- a first naloxone composition can be held on the outer surface of an applicator and a second composition, which can be a second naloxone composition, can be held by at least one material layer beneath the outer surface of the applicator.
- An outer surface of an applicator can be shaped so that the applicator includes multiple discrete surfaces, and in some of these embodiments each of the discrete multiple surfaces holds the same naloxone composition, and in some embodiments a first discrete outer surface holds a first naloxone composition, and a second discrete outer surface holds a second composition, which can be a second naloxone composition.
- a first surface of the outer surface of the applicator can hold a first naloxone composition and a second surface of the outer layer of the applicator can hold a second composition, which can be a second naloxone composition.
- the first composition and the second composition can be the same or different.
- the first composition and the second composition can comprise the same active pharmaceutical ingredient (API) or a different API.
- both the first composition and the second composition can comprise naloxone.
- either the first composition or the second composition can comprise naloxone and the second composition can comprise an active pharmaceutical ingredient (API) that exhibits synergistic therapeutic efficacy with naloxone and/or comprises a compound effective in enhancing absorption of naloxone from the nasal mucosa into the systemic circulation.
- API active pharmaceutical ingredient
- An applicator can comprise an absorbent material that holds the naloxone composition by absorbing it.
- the ability of an applicator to absorb can be measured in different ways. As one example, the ability of an applicator to absorb is determined by contacting the applicator with a known quantity of a naloxone composition, withdrawing the applicator from the naloxone composition, and measuring how much of the known quantity of the naloxone composition remains (i.e., how much was not absorbed by the applicator). This absorption can then be expressed as a percentage. The measurement can be in terms of weight and/or volume.
- An example of a technique for measuring the ability of a material to absorb a naloxone composition is as follows: A volume of a naloxone composition such as 1 mL of the naloxone composition can be contained in a container and the applicator can be inserted into the container to contact the 1 mL of the naloxone composition. The applicator is then withdrawn so that the applicator no longer contacts the naloxone composition. The volume of the remaining naloxone composition within the contain can be determined. In this example, if 0.1 mL of the naloxone composition remains within the container, the applicator absorbed 0.9 mL of the naloxone composition.
- the applicator absorbed 90% of the naloxone composition.
- the same technique or a similar technique can be used to determine the ability of an applicator to absorb a solid or semi-solid material as well.
- the same measuring technique can also be used to determine other mechanisms for holding the naloxone composition to the applicator including adsorption, chemical binding (including covalent and ionic), electrostatic coupling, and/or magnetic coupling.
- An applicator provided by the present disclosure can be configured to retain, for example, from 50 ⁇ L to 35 ⁇ L of a naloxone composition.
- a naloxone composition can comprise, for example, a concentration of naloxone hydrochloride from 20 mg/mL to 100 mg/mL such as from 30 mg/mL to 80 mg/mL, or from 40 mg/mL to 60 mg/mL, 0.05 wt% Na2EDTA (ethylenediaminetetraacetic acid), 0.10 wt% benzalkonium chloride (BKC), 10 mM citric acid, 0.15 wt% NaCl, and with a pH of 4.5 adjusted with either NaOH or HC1.
- Other suitable naloxone compositions can be used.
- An applicator can be configured to hold 70 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 80 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 90 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 100 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 110 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 120 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 130 ⁇ L of a composition.
- An applicator can be configured to hold 140 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 150 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 160 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 170 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 180 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 190 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 200 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 210 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 220 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 230 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 240 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 250 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 260 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 270 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 280 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 290 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 300 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 310 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 320 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 330 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 340 ⁇ L of a naloxone composition.
- An applicator can be configured to hold 350 ⁇ L of a naloxone composition.
- An applicator provided by the present disclosure can hold, for example, from 70 ⁇ L to 350 ⁇ L of a naloxone composition, from 100 ⁇ L to 300 ⁇ L, or from 150 ⁇ L to 250 ⁇ L of a naloxone composition.
- An applicator provided by the present disclosure can hold, for example, greater than 70 ⁇ L of a naloxone composition, greater than 100 ⁇ L, greater than 150 ⁇ L, greater than 200 ⁇ L, greater than 250 ⁇ L, or greater than 300 ⁇ L of a naloxone composition.
- An applicator provided by the present disclosure can hold, for example, less than 350 ⁇ L of a naloxone composition, less than 300 ⁇ L, less than 250 ⁇ L, less than 200 ⁇ L, less than 150 ⁇ L, or less than 100 ⁇ L of a naloxone composition.
- An applicator can hold naloxone hydrochloride in the amount, for example that is from 0.1 mg to 100 mg.
- An applicator can hold naloxone hydrochloride in the amount, for example, that is from 0.1 mg to 0.5 mg, 0.1 mg to 1 mg, 0.1 mg to 2.5 mg, 0.1 mg to 5 mg, 0.1 mg to 7.5 mg, 0.1 mg to 10 mg, 0.1 mg to 12.5 mg, 0.1 mg to 15 mg, 0.1 mg to 20 mg, 0.1 mg to 50 mg, 0.1 mg to 100 mg, 0.5 mg to 1 mg, 0.5 mg to 2.5 mg, 0.5 mg to 5 mg, 0.5 mg to 7.5 mg, 0.5 mg to 10 mg, 0.5 mg to 12.5 mg, 0.5 mg to 15 mg, 0.5 mg to 20 mg, 0.5 mg to 50 mg, 0.5 mg to 100 mg, 1 mg to 2.5 mg, 1 mg to 5 mg, 1 mg to 7.5 mg, 1 mg to 10 mg, 0.5 mg to 12.5 mg, 0.5 mg to 15 mg, 0.5 mg to
- An applicator can hold naloxone hydrochloride in the amount, for example, that is 0.1 mg, 0.5 mg, 1 mg, 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 50 mg, or 100 mg.
- An applicator can hold naloxone in the amount that is at least 0.1 mg, 0.5 mg, 1 mg, 2.5 mg, 5 mg, 7.5 mg, 10 mg,
- An applicator can hold naloxone hydrochloride in the amount, for example, that is at most 0.5 mg, 1 mg, 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 50 mg, or 100 mg.
- An applicator provided by the present disclosure can hold, for example, from 0.5 mg to 20 mg of naloxone hydrochloride, from 1 mg to 16 mg, from 1 mg to 12 mg, from 1 mg to 8 mg, from 1 mg to 6 mg, from 4 mg to 20 mg, from 6 mg to 18 mg, or from 8 mg to 16 mg of naloxone hydrochloride.
- An applicator provided by the present disclosure can hold, for example, greater than 0.5 mg of naloxone hydrochloride, greater than 2 mg, greater than 5 mg, greater than 10 mg, or greater than 15 mg of naloxone hydrochloride.
- An applicator provided by the present disclosure can hold, for example, less than 20 mg of an API, less than 15 mg, less than 10 mg, or less than 5 mg of naloxone hydrochloride.
- An applicator can comprise a material configured to release a naloxone composition retained by the material when the applicator contacts a target surface.
- a device can be manually applied to a target surface to which the naloxone composition held by the applicator is to be delivered.
- a device as described herein can be configured to be inserted into a nasal cavity of a patient.
- An applicator can be configured to release a composition onto the surface of a nasal mucosa. After the naloxone composition is released onto the nasal mucosa the naloxone composition can be absorbed through the nasal mucosa into the blood and circulatory system of the patient for either local or systemic or targeted therapy.
- an applicator can release naloxone to a nasal mucosal surface of an individual when a device provided by the present disclosure is inserted into a nasal passage of an individual and the applicator releases the naloxone composition onto the nasal mucosa of the patient.
- a naloxone composition can be released from an applicator with only light manually induced contact of the applicator against a target surface.
- a naloxone composition can be released from the applicator in response to the application of a force that pushes the applicator against the target surface.
- the naloxone composition can be released from an applicator in response to the rolling of the applicator against the target surface.
- An applicator can be squeezed manually or through the operation of the device so that the squeezing of the applicator releases a naloxone composition onto the target surface.
- An example of a technique for measuring the ability of a material to release a naloxone composition is as follows: An applicator that is holding a known quantity of a naloxone composition is caused to release the naloxone composition. That is, depending on the mechanism of release (e.g., light contact, contact with pressure, rolling, or squeezing), the mechanism is applied to the applicator when the applicator is held against an absorbent material such as absorbent paper. The amount transferred to the absorbent material is then measured. The ability to release the naloxone composition is expressed as a percentage in comparison to the amount held on the applicator.
- the mechanism of release e.g., light contact, contact with pressure, rolling, or squeezing
- the applicator is known to hold 1 mL of a naloxone composition and is caused to release the naloxone composition on a surface of an absorbent material.
- the ability of the applicator to release is expressed as 90%. It should be understood that numerous techniques exist for measuring the ability of a material to release a naloxone composition and in the following, when an ability to release is expressed in terms of the percent amount of the naloxone composition that is released, it is measured using this technique or a similar technique for measuring release of a naloxone composition.
- an applicator can be configured to release 100% of naloxone hydrochloride initially retained by the applicator, wherein the amount of naloxone hydrochloride released is determined using gravimetric analysis.
- An applicator can be configured to release 99.9% of naloxone hydrochloride.
- An applicator can be configured to release 99.8% of naloxone hydrochloride.
- An applicator can be configured to release 99.7% of naloxone hydrochloride.
- An applicator can be configured to release 99.6% of naloxone hydrochloride.
- An applicator can be configured to release 99.5% of naloxone hydrochloride.
- An applicator can be configured to release 99.4% of naloxone hydrochloride. An applicator can be configured to release 99.3% of naloxone hydrochloride. An applicator can be configured to release 99.2% of naloxone hydrochloride. An applicator can be configured to release 99.1% of naloxone hydrochloride. An applicator can be configured to release 99% of naloxone hydrochloride. An applicator can be configured to release 98.9% of naloxone hydrochloride. An applicator can be configured to release 98.8% of naloxone hydrochloride. An applicator can be configured to release 98.7% of naloxone hydrochloride.
- An applicator can be configured to release 98.6% of naloxone hydrochloride.
- An applicator can be configured to release 98.5% of naloxone hydrochloride.
- An applicator can be configured to release 98.4% of naloxone hydrochloride.
- An applicator can be configured to release 98.3% of naloxone hydrochloride.
- An applicator can be configured to release 98.2% of naloxone hydrochloride.
- An applicator can be configured to release 98.1% of naloxone hydrochloride.
- An applicator can be configured to release 98% of naloxone hydrochloride.
- An applicator can be configured to release 97% of naloxone hydrochloride.
- An applicator can be configured to release 96% of naloxone hydrochloride.
- An applicator can be configured to release 95% of naloxone hydrochloride.
- An applicator can be configured to release 94% of naloxone hydrochloride.
- An applicator can be configured to release 93% of naloxone hydrochloride.
- An applicator can be configured to release 92% of naloxone hydrochloride.
- An applicator can be configured to release 91% of naloxone hydrochloride.
- An applicator can be configured to release 90% of naloxone hydrochloride.
- An applicator can be configured to release 89% of naloxone hydrochloride.
- An applicator can be configured to release 88% of naloxone hydrochloride.
- An applicator can be configured to release 87% of naloxone hydrochloride.
- An applicator can be configured to release 86% of naloxone hydrochloride.
- An applicator can be configured to release 85% of naloxone hydrochloride.
- An applicator can be configured to release 84% of naloxone hydrochloride.
- An applicator can be configured to release 83% of naloxone hydrochloride.
- An applicator can be configured to release 82% of naloxone hydrochloride.
- An applicator can be configured to release 81% of naloxone hydrochloride.
- An applicator can be configured to release 80% of naloxone hydrochloride.
- An applicator can be configured to release from 80% and 100% of naloxone hydrochloride.
- the amount released from the applicator is determined using the absorbent paper method described herein. The percent (%) release can refer to wt%.
- An applicator provided by the present disclosure can be configured, for example, to release from 10 wt% to 100 wt% of naloxone hydrochloride and a naloxone composition during a single use, from 10 wt%, to 90 wt%, from 10 wt% to 80 wt%, from 10 wt% to 60 wt%, from 10 wt% to 40 wt%, from 20 wt%, to 90 wt%, from 20 wt% to 80 wt%, from 20 wt% to 60 wt%, from 20 wt% to 40 wt%, from 40 wt% to 90 wt%, from 40 wt% to 80 wt%, from 40 wt% to 60 wt%, from 50 wt% to 90 wt%, or from 60 wt% to 90 wt% of naloxone hydrochloride and a naloxone composition during a single use, where
- An applicator provided by the present disclosure can be configured, for example, to release greater than 20 wt% of naloxone hydrochloride and a naloxone composition during a single use, greater than 30 wt%, greater than 40 wt%, greater than 50 wt%, greater than 60 wt%, greater than 70 wt%, greater than 80 wt%, or greater than 90 wt% of naloxone hydrochloride and a naloxone composition.
- An applicator provided by the present disclosure can be configured, for example, to release from 20 wt% to 100 wt% of naloxone hydrochloride and a naloxone composition during a single use, where wt% is based on the weight of naloxone hydrochloride or a naloxone composition initially retained by the applicator before use.
- An applicator provided by the present disclosure can be configured, for example, to release from 20 vol% to 100 vol% of a naloxone composition during a single use, from 20 vol%, to 90 vol%, from 20 vol% to 80 vol%, from 20 vol% to 60 vol%, from 20 vol% to 40 vol%, from 40 vol% to 90 vol%, from 40 vol% to 80 vol%, from 40 vol% to 60 vol%, from 50 vol% to 90 vol%, or from 60 vol% to 90 vol% of a naloxone composition during a single use, where vol% is based on the volume of the naloxone composition initially retained by the applicator before use.
- An applicator provided by the present disclosure can be configured, for example, to release greater than 20 vol% of a naloxone composition during a single use, greater than 30 vol%, greater than 40 vol%, greater than 50 vol%, greater than 60 vol%, greater than 70 vol%, greater than 80 vol%, or greater than 90 vol% of a naloxone composition.
- An applicator provided by the present disclosure can be configured, for example, to release from 20 vol% to 100 vol% of a naloxone composition during a single use, where vol% is based on the volume of the naloxone composition initially retained by the applicator before use.
- an applicator provided by the present disclosure can be configured to release a composition during a single use in an amount that is reproducible.
- the relative standard deviation (RSD) of naloxone hydrochloride released in a single use of an applicator can be less than 10%, less than 8%, less than 6%, or less than 4%, where the RSD is determined using the absorbent paper method described in Example 3.
- An applicator can be configured to release 70 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 80 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 90 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 100 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 110 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 120 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 130 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 140 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 150 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 160 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 170 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 180 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 190 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 200 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 210 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 220 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 230 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 240 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 250 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 260 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 270 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 280 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 290 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 300 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 310 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 320 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 330 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 340 ⁇ L of a naloxone composition during a single use.
- An applicator can be configured to release 350 ⁇ L of a naloxone composition during a single use.
- An applicator provided by the present disclosure can be configured to release, for example, from 50 ⁇ L to 350 ⁇ L of a naloxone composition during a single use, from 100 ⁇ L to 300 ⁇ L, from 100 ⁇ L to 250 ⁇ L, from 100 ⁇ L to 200 ⁇ L, from 150 ⁇ L to 350 ⁇ L, from 150 ⁇ L to 300 ⁇ L, from 150 ⁇ L to 250 ⁇ L, or from 200 ⁇ L to 35 ⁇ L of a naloxone composition during a single use.
- An applicator provided by the present disclosure can be configured to release, for example, greater than 50 ⁇ L of a naloxone composition during a single use, greater than 100 ⁇ L, greater than 150 ⁇ L, greater than 200 ⁇ L, greater than 250 ⁇ L, or greater than 300 ⁇ L of a naloxone composition during a single use.
- An applicator can release naloxone hydrochloride in the amount, for example, that is 0.1 mg to 100 mg during a single use.
- An applicator can release naloxone hydrochloride in the amount, for example, that is 0.1 mg to 0.5 mg during a single use, 0.1 mg to 1 mg, 0.1 mg to 2.5 mg, 0.1 mg to 5 mg, 0.1 mg to 7.5 mg, 0.1 mg to 10 mg, 0.1 mg to 12.5 mg, 0.1 mg to 15 mg, 0.1 mg to 20 mg, 0.1 mg to 50 mg, 0.1 mg to 100 mg, 0.5 mg to 1 mg, 0.5 mg to 2.5 mg, 0.5 mg to 5 mg, 0.5 mg to 7.5 mg, 0.5 mg to 10 mg, 0.5 mg to 12.5 mg, 0.5 mg to 15 mg, 0.5 mg to 20 mg, 0.5 mg to 50 mg, 0.5 mg to 100 mg, 1 mg to 2.5 mg, 1 mg to 5 mg, 1 mg to 7.5 mg, 1 mg to 10 mg, 0.5 mg to 12.5 mg, 0.5
- An applicator can release naloxone hydrochloride during a single use the amount, for example, that is 0.1 mg, 0.5 mg, 1 mg, 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 50 mg, or 100 mg.
- An applicator can release naloxone in the amount, for example, that is at least 0.1 mg, 0.5 mg, 1 mg, 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, or 50 mg.
- An applicator can release naloxone hydrochloride during a single use in the amount, for example, that is at most 0.5 mg, 1 mg, 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 50 mg, or 100 mg.
- An applicator provided by the present disclosure can release, for example, from 0.1 mg to 100 mg of naloxone hydrochloride during a single use, from 0.1 mg to 80 mg, from 0.1 mg to 60 mg, from 0.1 mg to 40 mg, or from 0.1 mg to 20 mg, of naloxone hydrochloride during a single use.
- An applicator provided by the present disclosure can release, for example, greater than 0.1 mg of naloxone hydrochloride during a single use, greater than 1 mg, greater than 5 mg, greater than 10 mg, greater than 15 mg, greater than 20 mg, greater than 40 mg, greater than 60 mg, or greater than 80 mg of naloxone hydrochloride during a single use.
- An applicator provided by the present disclosure can release, for example, from 1 mg to 30 mg of naloxone hydrochloride during a single use, from 1 mg to 25 mg, from 1 mg to 20 mg, from 1 mg to 15 mg, from 1 mg to 10 mg, from 1 mg to 5 mg, from 5 mg to 25 mg, from 5 mg to 20 mg, or from 5 mg to 15 mg of naloxone hydrochloride during a single use.
- a device provided by the present disclosure comprises a handle that is coupled to an applicator.
- the handle is configured so that a user can manually direct the applicator to a target site of the nasal mucosa by holding the handle and manually moving the applicator.
- a handle is configured so that a pressure applied by the user to the handle is transmitted to the applicator.
- a handle can be configured with respect to its dimensions such as having a relatively small diameter and relatively long length, to facilitate rotation of the applicator.
- a handle can be formed of a plastic material such as polypropylene or polyethylene, but as will be understood nearly any rigid and light material is suitable for use in forming a handle.
- a handle can comprise a sterilizable polymer.
- a device can further include a stop that is configured to direct the applicator to a desired position within the nasal cavity and to prevent the applicator from being advanced beyond a target area of the nasal cavity.
- a stop can comprise a skirt positioned essentially perpendicular to the handle, a post essentially perpendicular to the handle, or a protrusion from the handle.
- a stop can be positioned along the handle at a position that will situate the applicator proximate the middle turbinate and/or the inferior turbinate. This is achieved by having the stop having a dimension perpendicular to the axis of the handle that is wider than the nasal opening.
- a stop can have any suitable shape and dimensions configured to situate the applicator proximate the middle turbinate and/or the inferior turbinate when the applicator is inserted into the nasal cavity.
- the stop can be shaped as a disk, a bar, a sphere, a cone, or a one or two-dimensional.
- An applicator of the device can be covered with a cap that covers and protects the applicator.
- a naloxone composition is retained by the applicator (i.e., is held by the applicator) and the cover surrounds the applicator so as to aid in retention of the naloxone composition and to protect the applicator from physical damage.
- the cap can be made of any suitable material.
- the cap can be made of a plastic such as polyethylene or polypropylene.
- the cap can have any suitable shape or dimension such that the cap can be inserted over the applicator and can be easily removed during use.
- a cap can be in the shape of a sleeve.
- a device can be used for delivery of naloxone hydrochloride and prior to use the device can be partially or completely enveloped to keep the device sanitary and, in some embodiments, sterile.
- a device provided by the parent disclosure can be retained by a package.
- the package can comprise a foil envelope or a thermoformed tray with a foil seal.
- the seal can provide a moisture barrier.
- FIGS. 2A and 2B show an example of a package comprising a foil envelope 200 enclosing a device provided by the present disclosure.
- a foil envelope 200 may include a mechanism to aid in releasing the device such as a pull tab 202.
- FIG. 2B shows a pull tab 202 pulled back to reveal device handle 204 which when pulled removes the device from the foil envelope 200.
- An applicator provided by the present disclosure can comprise a polyurethane material.
- the polyurethane may be substantially homogeneous in composition and can be a foam.
- various compositions (including non-homogenous) and arrangements are suitable with respect to use of polyurethane material with the device applicator.
- An applicator can comprise reticulated polyurethane foam.
- the reticulated polyurethane foam can have a pore count, for example, from 60 pores/inch to 100 pores/inch and a pore size of 0.01 inches to 0.0167 inches (254 pm to 424 pm).
- the reticulated polyurethane can have a density of from 1.7 lb/ft 3 to 2.5 lb/ft 3 (27 kg/m 3 to 40.0 kg/m 3 ) such as from 1.9 lb/ft 3 to 2.3 lb/ft 3 (30.5 kg/m 3 to 36.8 kg/m 3 ), where density is determined according to ASTM D3575
- An applicator can comprise polyurethane, wherein the applicator can have a diameter of 8 mm and a length of 22 mm.
- An applicator can have a diameter of 6 mm, can have a diameter of 7 mm, can have a diameter of 8 mm, can have a diameter of 9 mm.
- An applicator can have a diameter of 10 mm.
- An applicator can have a diameter of 11 mm.
- An applicator can have a diameter of 12 mm.
- An applicator can have a diameter of 13 mm.
- An applicator can have a diameter of 14 mm.
- An applicator can have a diameter of 15 mm, can have a diameter of 16 mm, can have a length of 12 mm.
- An applicator can have a length of 13 mm.
- An applicator can have a length of 14 mm.
- An applicator can have a length of 15 mm.
- An applicator can have a length of 16 mm.
- An applicator can have a length of 17 mm.
- An applicator can have a length of 18 mm.
- An applicator can have a length of 19 mm.
- An applicator can have a length of 20 mm.
- An applicator can have a length of 21 mm.
- An applicator can have a length of 22 mm.
- An applicator can have a length of 23 mm.
- An applicator can have a length of 24 mm.
- An applicator can have a length of 25 mm.
- An applicator can have a length of 26 mm.
- An applicator can have a length of 27 mm.
- An applicator can have a length of 28 mm.
- An applicator can have a length of 29 mm.
- An applicator can have a length of 30 mm.
- An applicator can have a length of 31 mm.
- An applicator can have a length of 32 mm, can have a diameter of 6 to 12 mm and a length of 12 to 30 mm.
- An applicator provided by the present disclosure can have a diameter, for example, from 5 mm to 25 mm, from 7 mm to 23 mm, from 9 mm to 21 mm, or from 11 mm to 19 mm.
- An applicator can have a diameter for example, greater than 5 mm, greater than 10 mm, greater than 15 mm, or greater than 20 mm.
- An applicator can have a diameter, for example, less than 25 mm, less than 20 mm, less than 15 mm, or less than 10 mm.
- the diameter refers to the dimension of the applicator perpendicular to the long axis of the handle.
- An applicator can have a length from 10 mm to 30 mm, from 12 mm to 28 mm, from 14 mm to 26 mm, or from 16 mm to 24 mm.
- An applicator can have a length, for example, greater than 10 mm, greater than 15 mm, greater than 20 mm, or greater than 25 mm.
- An applicator can have a length, for example, less than 30 mm, less than 25 mm, less than 20 mm, less than 15 mm, or less than 10 mm.
- the length refers to the dimension parallel to the long axis of the handle.
- An applicator can have a volume, for example, from 0.055 in 3 to 0.075 in 3 (901 mm 3 to 1,229 mm 3 ) such as from 0.06 in 3 to 0.07 in 3 (983 mm 3 to 1,147 mm 3 ).
- An applicator can have a volume, for example, from 500 mm 3 to 1,500 mm 3 such as from 750 mm 3 to 1,250 mm 3 .
- the volume of an applicator refers to the volume based on the external dimensions of the applicator as a solid body.
- the applicator can include internal voids.
- a device provided by the present disclosure can be included in a kit that may be used to administer the naloxone composition to a patient for therapeutic purposes.
- a kit can include a packaged device suitable for administering naloxone hydrochloride to a patient and instructions for administering the naloxone composition to the patient.
- a kit for use in treating an opioid overdose of a patient can comprise a packaged device provided by the present disclosure and instructions for using the device for administering the naloxone composition to the nasal mucosa of a patient having an opioid overdose.
- kit Instructions supplied with a kit may be printed and/or supplied, for example, as an electronic-readable medium, a video cassette, an audiotape, a flash memory device, or may be published on an internet web site or distributed to a patient and/or health care provider as an electronic communication.
- Methods provided by the present disclosure comprise using a device provided by the present disclosure for administering naloxone hydrochloride to a patient for treating an opioid overdose.
- a method as described herein is carried out by the individual who is in need of the compound (i.e., self-administration).
- the method is carried out by an individual who is not the individual in need of the compound (i.e., administration by another).
- a device provided by the present disclosure is used by a first individual to deliver a compound to a second individual who is incapacitated or otherwise unable to self-administer the compound to themselves using the device.
- FIG. 3 shows an example of method for using a device provided by the present disclosure to naloxone hydrochloride to an individual having an opioid overdose.
- a device provided by the present disclosure can include an applicator comprising polyurethane.
- the polyurethane applicator can have a pore count from 60 to 100 pores per inch, pore size of 0.01 in to 0.0167 in (0.25 mm to 0.42 mm) and, in some embodiments, a density of from 1.7 lb/ft 3 to 2.5 lb/ft 3 (27 kg/m 3 to 40.0 kg/m 3 ).
- a polyurethane applicator holds between any amount of compound containing composition from 70 ⁇ L to 350 ⁇ L.
- a device provided by the present disclosure can further include a handle used to manually move the applicator.
- a device as described herein is removed from a packaging.
- a packaging may be, for example, a foil envelope that either wholly or partially covers the device.
- the cap is removed thereby uncovering the device.
- a user manually inserts the device into a body orifice such as, for example, a nasal passage.
- a stop prevents the applicator from advancing too far into the orifice.
- the applicator is delivered to a target tissue surface such as, for example, a nasal mucosa.
- the applicator contacts the target tissue surface which causes release of the naloxone composition held by the applicator onto the target tissue surface.
- a force is applied to the applicator to press it against the target tissue surface in order to cause release of the naloxone composition onto the target tissue surface.
- the applicator is rolled (by turning the handle of the device) against the target tissue surface in order to cause release of the naloxone composition onto the target tissue surface.
- the target tissue surface is pressed against the applicator resulting in release of the naloxone composition held by the applicator.
- the side of the nose or nostril is manually pressed against the applicator resulting in release of the naloxone composition from the applicator.
- the method provided by the present disclosure is carried out only a single time. That is, the method is configured so that a sufficient amount of naloxone hydrochloride is delivered to an individual using the method a single time.
- use of the method described herein for delivery of naloxone to an individual experiencing an opioid overdose delivers a dose of the naloxone to the individual that is sufficient to treat the opioid overdose in a single use of the method (i.e., via a single application of the applicator to the nasal mucosa).
- the amount of naloxone hydrochloride released from the applicator is at least 1 mg of naloxone hydrochloride, such as at least 2 mg, at least 4 mg, at least 6 mg, or at least 8 mg of naloxone hydrochloride from the applicator.
- use of the method described herein results in release of 4 mg of naloxone hydrochloride from the applicator.
- Use of the method can result in release of 5 mg of naloxone from the applicator.
- Use of the method can result in release of 6 mg of naloxone from the applicator.
- Use of the method can result in release of 7 mg of naloxone from the applicator.
- Use of the method can result in release of 8 mg of naloxone from the applicator. Use of the method can result in release of 9 mg of naloxone from the applicator. Use of the method can result in release of 10 mg of naloxone from the applicator. Use of the method can result in release of 11 mg of naloxone from the applicator. Use of the method can result in release of 12 mg of naloxone from the applicator. Use of the method can result in release of 13 mg of naloxone from the applicator. Use of the method can result in release of 14 mg of naloxone from the applicator. Use of the method can result in release of 15 mg of naloxone from the applicator.
- Use of the method can result in release of 16 mg of naloxone from the applicator. Use of the method can result in release of 17 mg of naloxone from the applicator. Use of the method can result in release of 18 mg of naloxone from the applicator. Use of the method can result in release of 19 mg of naloxone from the applicator. In some embodiments, use of the method described herein results in release of 20 mg of naloxone from the applicator.
- Use of a method provided by the present disclosure can release, for example, from 4 mg to 20 mg of naloxone hydrochloride from the applicator, from 6 mg to 18 mg, from 8 mg to 16 mg, or from 10 mg to 14 mg of naloxone from the applicator.
- Use of a method provided by the present disclosure can release, for example, greater than 4 mg naloxone hydrochloride, greater than 6 mg, greater than 8 mg, greater than 10 mg, greater than 12, mg, greater than 14 mg, greater than 16 mg, or greater than 18 mg of naloxone hydrochloride from the applicator.
- Use of a method provided by the present disclosure can release, for example, less than 20 mg naloxone hydrochloride, less than 18 mg, less than 16 mg, less than 14 mg, less than 12 mg, less than 10 mg, less than 8 mg or less than 6 mg naloxone hydrochloride from the applicator.
- a device provided by the present disclosure can be used to administer naloxone hydrochloride to the nasal mucosa.
- a device provided by the present disclosure can be used to administer naloxone hydrochloride to the nasal mucosa of the middle turbinate and/or inferior turbinate.
- Methods provided by the present disclosure can comprise having the patient breathe through the mouth and not the nose, having the patient lie supine (face up) or on their side, inserting an applicator into a nostril until the stop rests against the anterior naris, placing a finger and thumb on either side of the nose and squeezing the nostrils firmly closed for from 3 seconds to 6 seconds, and withdrawing the applicator.
- the nostrils can remain firmly squeezed while the applicator is withdrawn from the nasal cavity.
- naloxone plasma pharmacokinetic profile characterized by T max less than 0.3 ( ⁇ 10%) hour and a C max from 4,400 ( ⁇ 10%) pg/mL to 6,600 ( ⁇ 10%) pg/mL, wherein the applicator initially retains 12 mg of naloxone HC1 in composition comprising 60 mg/mL naloxone hydrochloride.
- a T max less than 0.3 ( ⁇ 10%) h means that the T max can be less than 0.27 h to less than 0.33 h. such as, for example, less than 0.27 h, less than 0.29 h, less than 0.31 h or less than 0.33 h.
- the naloxone plasma pharmacokinetic profde is bioequivalent to a pharmacokinetic (PK) profile characterized by a C max of 5,700 ( ⁇ 10%) pg/mL, a T max of 0.26 ( ⁇ 10%) h, and a AUC last of 8,000 ( ⁇ 10%) pgxhr/mL, wherein the applicator initially retains 12 mg of naloxone HC1 in composition comprising 60 mg/mL naloxone hydrochloride.
- PK pharmacokinetic
- the naloxone plasma pharmacokinetic profde is further characterized by a pAUC at 5 min of 446 ( ⁇ 10%) pgxhr/mL, and a pAUC at 15 min of 834 ( ⁇ 10%) pgxhr/mL, wherein the applicator initially retains 12 mg of naloxone HC1 in composition comprising 60 mg/mL naloxone hydrochloride.
- the naloxone plasma pharmacokinetic profde is characterized by a T 1/2 of 2.3 ( ⁇ 10%) hours wherein the applicator initially retains 12 mg of naloxone HC1 in composition comprising 60 mg/mL naloxone hydrochloride.
- the naloxone plasma pharmacokinetic profde is characterized by a pAUC at 30 min of 3,511 ( ⁇ 10%) pgxhr/mL wherein the applicator initially retains 12 mg of naloxone HC1 in composition comprising 60 mg/mL naloxone hydrochloride.
- the plasma naloxone PK profde can be bioequivalent to the plasma naloxone PK profde for any one of Treatment 3 A, Treatment 4A, or Treatment 5 A as shown in FIGS. 9 and 10.
- a single dose of 4 mg naloxone hydrochloride administered using a device and method provided by the present disclosure when administered to a population of patients, can exhibit a naloxone plasma pharmacokinetic profde that is bioequivalent to the pharmacokinetic profde for Treatment 3 A as shown in FIGS. 9 and 10, and/or can exhibit the bioequivalent pharmacokinetic parameters to those summarized for Treatment 3A in Table 12.
- a single dose of 4 mg naloxone hydrochloride administered using a device and method provided by the present disclosure when administered to a population of patients can exhibit a T maX from 0.2 h to 0.4 h such as from 0.23 h to 0.29 h such as from 0.24 h to 0.28 h; a C max from 5,129 pg / mL to 6,288 pg/mL such as from 5,414 pg/mL to 5,983 pg/mL; a PAUC 30 from 400 pgxh/mL to 489 pgxh/mL such as from 423 pgxh/mL to 467 pgxh/mL; an AUC last from 7,192 pgxh/mL to 8,791 pgxh/mL such as from 7,552 pgxh/mL to 8,391 pgxh/mL; and/or a T 1/2 from 2.1 h to 2.8 h such as from
- a single dose of 4 mg naloxone hydrochloride administered using a device and method provided by the present disclosure, when administered to a population of patients can exhibit a T max from 0.2 h to 0.4 h such as from 0.24 h to 0.28 h; a C max from 5,129 pg / mL to 6,288 pg/mL such as from 5,414 pg/mL to 5,983 pg/mL; a PAUC 30 from 400 pgxh/mL to 489 pgxh/mL such as from 423 pgxh/mL to 467 pgxh/mL; an AUC last from 7,192 pgxh/mL to 8,791 pgxh/mL such as from 7,552 pgxh/mL to 8,391 pgxh/mL; and/or a Tmfrom 2.1 h to 2.8 h such as from 2.2 h to 2.5 h.
- the naloxone plasma PK profde following nasal administration of a 4 mg dose of naloxone via a nasal spray is characterized by a T max of 0.50 hours, a C max of 4.83 ng/mL, an AUCiast of 7.95 ngxh/mL, and a T 1/2 of 2.08 h.
- a naloxone plasma pharmacokinetic profile characterized by a T max of less than 0.40 hours, less than 0.35 hours, less than 0.4 hours, less than 0.30 hours, less than 0.25 hours, or less than 0.20 hours.
- a naloxone plasma pharmacokinetic profile characterized by a T max of from 0.15 hours to 0.50 hours, from 0.15 hours to 0.40 hours, from 0.20 hours to 0.35 hour, or from 0.25 hours to 0.30 hours.
- a dose of naloxone can be from 10 mg to 14 mg such as from 11 mg to 13 mg, or 12 mg naloxone initially held by the applicator.
- the method can comprise contacting the applicator to the inferior and/or middle turbinate, firmly squeezing the nostril for 3 seconds and gently removing the applicator from the nostril while maintaining a slight pressure against the nostril.
- a naloxone plasma pharmacokinetic profile characterized by a C max of greater than 1,000 pg/mL, greater than 1,500 pg/mL, greater than 2,000 pg/mL, greater than 2,500 pg/mL, greater than 3,000 pg/mL, greater than 3,500 pg/mL, greater than 4,000 pg/mL, greater than 4,500 pg/mL, greater than 5,000 pg/mL, greater than 5,500 pg/mL, greater than 6,000 pg/mL, greater than 7,000 pg/mL, greater than 8,000 pg/mL, greater than 9,000 pg/mL, greater than 10,000 pg/mL, greater than 11,000 pg/mL.
- a naloxone plasma pharmacokinetic profile characterized by a C max of from 1,000 pg/mL to 11,000 pg/mL, from 2,000 pg/mL to 10,000 pg/mL, or from 3,000 pg/mL to 9,000 pg/mL, from 4,000 pg/mL to 8,000 pg/mL.
- a dose of naloxone can be from 10 mg to 14 mg such as from 11 mg to 13 mg, or 12 mg naloxone initially held by the applicator.
- the method can comprise contacting the applicator to the inferior and/or middle turbinate, firmly squeezing the nostril for 3 seconds and gently removing the applicator from the nostril while maintaining a slight pressure against the nostril.
- a naloxone plasma pharmacokinetic profile characterized by a pAUC o-10min of greater than 70 pgxhr/mL, greater than 100 pgxhr/mL, greater than 200 pgxhr/mL, greater than 200 pgxhr/mL, greater than 400 pgxhr/mL, or greater than 500 pgxhr/mL.
- a naloxone plasma pharmacokinetic profile characterized by a pAUC o- lomin from 70 pgxhr/mL to 600 pgxhr/mL, from 100 pgxhr/mL to 500 pgxhr/mL, from 150 pgxhr/mL to 450 pgxhr/mL, or from 200 pgxhr/mL to 400 pgxhr/mL.
- a dose of naloxone can be from 10 mg to 14 mg such as from 11 mg to 13 mg, or 12 mg naloxone initially held by the applicator.
- the method can comprise contacting the applicator to the inferior and/or middle turbinate, firmly squeezing the nostril for 3 seconds and gently removing the applicator from the nostril while maintaining a slight pressure against the nostril.
- a naloxone plasma pharmacokinetic profile characterized by a pAUC o-1h of greater than 500 pgxhr/mL, greater than 1,000 pgxhr/mL, greater than 2,000 pgxhr/mL, greater than 3,000 pgxhr/mL, or greater than 4,000 pgxhr/mL.
- a naloxone plasma pharmacokinetic profile characterized by a pAUC o-1h of from 500 pgxhr/mL to 5,000 pgxhr/mL, from 1,000 pgxhr/mL to 4,500 pgxhr/mL, or from 2,000 pgxhr/mL to 4,000 pgxhr/mL.
- a dose of naloxone can be from 10 mg to 14 mg such as from 11 mg to 13 mg, or 12 mg naloxone initially held by the applicator.
- the method can comprise contacting the applicator to the inferior and/or middle turbinate, firmly squeezing the nostril for 3 seconds and gently removing the applicator from the nostril while maintaining a slight pressure against the nostril.
- a naloxone plasma pharmacokinetic profile characterized by a pAUC o-3h of greater than 1,000 pgxhr/mL, greater than 2,000 pgxhr/mL, greater than 4,000 pgxhr/mL, greater than 6,000 pgxhr/mL, or greater than 8,000 pgxhr/mL.
- a naloxone plasma pharmacokinetic profile characterized by a pAUC o-3h of from 1,000 pgxhr/mL to 8,000 pgxhr/mL, from 2,000 pgxhr/mL to 7,000 pgxhr/mL, or from 4,000 pgxhr/mL to 7,000 pgxhr/mL.
- a dose of naloxone can be from 10 mg to 14 mg such as from 11 mg to 13 mg, or 12 mg naloxone initially held by the applicator.
- the method can comprise contacting the applicator to the inferior and/or middle turbinate, firmly squeezing the nostril for 3 seconds and gently removing the applicator from the nostril while maintaining a slight pressure against the nostril.
- an applicator such as a polyurethane foam applicator
- naloxone hydrochloride initially retained by an applicator such as a polyurethane foam applicator
- an applicator such as a polyurethane foam applicator
- Naloxone is approved by the FDA for the treatment of an opioid overdose.
- Methods for administering naloxone hydrochloride to the nasal mucosa can be used to treat an opioid overdose that can be treated by administering naloxone hydrochloride.
- Methods provided by the present disclosure for intranasally administering naloxone hydrochloride can be used to treat an opioid overdose.
- Methods provided by the present disclosure for intranasally administering naloxone hydrochloride can be used to treat an opioid overdose, where the opioid overdose is associated with buprenorphine, carfentanil, codeine, fentanyl, hydrocodone, hydromorphone, meperidine, methadone, morphine, opium, oxycodone, oxymorphone, tramadol, or a combination of any of the foregoing.
- a method provided by the present disclosure can comprise administering to a patient having an opioid overdose a therapeutically effective amount of naloxone hydrochloride for treating the opioid overdoes.
- a device for delivering naloxone to a nasal passage of an individual comprising: (a) an applicator with a polyurethane swab; (b) 70 to 350 ⁇ L of a liquid composition containing the naloxone that is held by the polyurethane swab; (c) a handle attached to the applicator; and wherein the polyurethane swab has a pore count from 60 to 100 pores per inch, pore size of 0.01 to 0.0167 inches and a density of from 1.7 to 2.3 pounds per cubic foot; wherein the applicator is configured to release a 4 mg to 20 mg dose of naloxone with a relative standard deviation less than 6% with a single use of the device.
- Aspect 2 The device of aspect 1, wherein the polyurethane is reticulated.
- Aspect 3 The device of any one of aspects 1 to 2, wherein the liquid composition containing the naloxone comprises 60 mg/ml of naloxone.
- Aspect 4 The device of any one of aspects 1 to 3, wherein the polyurethane swab has a diameter from 6 mm to 12 mm and a length from 12 mm to 30 mm.
- Aspect 5 The device of any one of aspects 1 to 4, wherein the device includes a stop that is attached to the handle and prevents the applicator from advancing into the nasal passage when the stop contacts a nostril of the individual.
- Aspect 6 The device of any one of aspects 1 to 5, wherein the device is at least partially enclosed in a secondary container closure system.
- Aspect 7 The device of any one of aspects 1 to 6, wherein the liquid composition maintains stability and a shelf life of at least one year.
- a method for delivering naloxone to a nasal passage of an individual in need thereof comprising: (a) receiving a device having an applicator and a handle, wherein the applicator comprises a polyurethane swab that holds 70 to 350 ⁇ L of a liquid composition containing the naloxone; (b) inserting the device into a nasal passage of the individual; and (c) releasing the liquid composition containing the naloxone onto a nasal mucosa of the individual by contacting the nasal mucosa of the individual with the applicator.
- Aspect 9 The method of aspect 8, wherein the polyurethane swab has a pore size from 60 to 100 pores per inch, pore size of 0.01 to 0.0167 inches and a density of from 1.7 to 2.3 pounds per cubic foot.
- Aspect 10 The method of any one of aspects 8 to 9, wherein the polyurethane is reticulated.
- Aspect 11 The method of any one of aspects 8 to 10, wherein the liquid composition containing the naloxone comprises 60 mg/ml of naloxone.
- Aspect 12 The method of any one of aspects 8 to 11, wherein releasing the liquid composition onto the nasal mucosa of the individual results in release of a 4 mg to 20 mg dose of naloxone with a relative standard deviation less than 6% from the applicator.
- Aspect 13 The method of any one of aspects 8 to 12, wherein the device includes a stop that is attached to the handle and prevents the applicator from advancing into the nasal passage when the stop contacts a nostril of the individual.
- Aspect 14 The method of any one of aspects 8 to 13, comprising the step of removing the device from an envelope, wherein said step is carried out after step (a).
- Aspect 15 The method of any one of aspects 8 to 14, wherein an individual who carries out step (b) is a different individual than the individual in need of the naloxone.
- Aspect 16 The method of any one of aspects 8 to 15, wherein step (c) is carried out a single time, and wherein carrying out step (c) the single time results in release of at least 4 mg of naloxone onto the nasal mucosa of the individual.
- Aspect 17 The method of any one of aspects 8 to 16, wherein step (c) results in release of at least 80% of the volume of the liquid composition containing naloxone from the applicator.
- a device for delivering naloxone to a patient comprising: a handle comprising a proximate end and a distal end; and a nasal stop attached to the handle toward the distal end; an applicator coupled to the distal end, wherein the applicator comprises a foam, wherein the distance between the nasal stop and the distal end of the applicator is from 15 mm to 31 mm.
- Aspect 2 A The device of aspect 1 A, wherein the nasal stop and the applicator are configured to position the applicator proximate to the middle turbinate and the inferior turbinate when the applicator is inserted into the nasal cavity.
- Aspect 3 A The device of any one of aspects 1A to 2A, wherein the nasal stop and the applicator are configured to such that when inserted into a nasal cavity distal end of the applicator is situated from 1.5 cm to 3.0 cm from the nasal opening.
- Aspect 4A The device of any one of aspects 1A to 3A, wherein the applicator has a diameter from 6 mm to 12 mm and a length from 12 mm to 30 mm.
- Aspect 5 A The device of any one of aspects 1A to 4A, wherein the applicator has a volume from 0.055 in 3 to 0.075 in 3 .
- Aspect 6A The device of any one of aspects 1 A to 5A, wherein the foam comprises a reticulated foam.
- Aspect 7A The device of any one of aspects 1 A to 6A, wherein the foam comprises a polyurethane foam.
- Aspect 8A The device of any one of aspects 1A to 7A, wherein the foam is characterized by a pore size from 80 ppi to 100 ppi as determined by the pressure drop, a density from 1.70 lb/ft3 to 2.50 lb/ft3.
- Aspect 9A The device of any one of aspects 1A to 8A, wherein the foam is characterized by a compression force deflection (CFD) at 25%R (2 m> ⁇ 2 mx 1 m) greater than 0.4 psi.
- CFRD compression force deflection
- Aspect 10A The device of any one of aspects 1A to 9A, wherein the foam is characterized by a compression set at 50% deflection of less than 10%.
- Aspect 11 A The device of any one of aspects 1 A to 10A, wherein the foam is characterized by a compression set at 50% deflection of greater than 10%.
- Aspect 12A The device of any one of aspects 1 A to 11 A, wherein the foam is a crushable foam.
- Aspect 13A The device of any one of aspects 1A to 12A, wherein the foam is characterized by a dose proportional release of naloxone hydrochloride for a 60 mg/mL naloxone composition.
- Aspect 14 A The device of any one of aspects 1A to 13 A, wherein the foam is characterized by a release of naloxone HC1 with a relative standard deviation (RSD of less than 6%.
- Aspect 15A The device of any one of aspects 1A to 14A, wherein the foam comprises from 70 ⁇ L to 350 ⁇ L of a naloxone composition.
- Aspect 16A The device of aspect 15 A, wherein the naloxone composition comprises from
- Aspect 17A The device of any one of aspects 15A to 16A, wherein the naloxone composition comprises a naloxone concentration from 20 mg/mL to 80 mg/mL.
- Aspect 18A The device of any one of aspects 15A to 17A, wherein the naloxone composition comprises a stabilizing agent, a tonicity agent, a chelating agent, and a preservative.
- Aspect 19A The device of any one of aspects 15A to 18A, wherein the composition comprises water, naloxone, citric acid, ethylenediaminetetraacetic acid, benzalkonium chloride, and sodium chloride.
- Aspect 20A The device of any one of aspects 15A to 19A, wherein the composition has a viscosity 0.1 centipoise to 10 centipoise at 20 °C.
- Aspect 21A The device of any one of aspects 15A to 20A, wherein the composition has a pH from 3.5 to 5.5.
- Aspect 22A The device of any one of aspects 15A to 21 A, wherein the composition consists of water, naloxone, citric acid, ethylenediamine tetra acetic acid, benzalkonium chloride, and sodium chloride.
- Aspect 23 A The device of any one of aspects 1A to 22A, wherein the device comprises a cap disposed over the applicator.
- Aspect 24 A A package comprising the device of any one of aspects 1 A to 23 A enclosed within a package.
- Aspect 25 A A kit comprising the package of aspect 24 A, and instructions for using the device.
- a method for treating an opioid overdose in a patient comprising: (a) inserting the applicator of the device any one of aspects 15 A to 22 A into the nasal cavity of a nostril of a patient having an opioid overdose; (b) bringing the stop into contact with the anterior naris to situate the applicator in proximity to the middle turbinate and the inferior turbinate; and (c) squeezing the nostril against the applicator for from 1 seconds to 5 seconds to release the naloxone hydrochloride composition from the applicator and to administer the naloxone hydrochloride composition to the nasal mucosa, to thereby treat the opioid overdose.
- Aspect 27A The method of aspect 26A, wherein inserting, bringing, and squeezing are performed by a person other than the patient having the opioid overdose.
- Aspect 28A The method of any one of aspects 26A to 27A, wherein inserting the applicator comprises contacting the nasal mucosa between from 15 mm to 31 mm for the anterior naris.
- Aspect 29 A The method of any one of aspects 26 A to 28A, wherein, after squeezing the nostril, releasing the nostril and removing the applicator from the nostril.
- Aspect 30A The method of any one of aspects 26A to 29 A, wherein, while squeezing the nostril, removing the applicator from the nostril.
- Aspect 31 A The method of any one of aspects 26 A to 30A, wherein the method comprises, repeating steps (a), (b), and (c) using a new device on the same nostril of the patient [219]
- Aspect 32A The method of any one of aspects 26A to 31 A, wherein the method comprises, repeating steps (a), (b), and (c) using a new device on a different nostril of the patient.
- Aspect 33 A The method of any one of aspects 26A to 32A, wherein squeezing the nostril results in greater than 30 vol% of the naloxone hydrochloride composition initially retained by the applicator being released from the applicator.
- Aspect 34A The method of any one of aspects 26A to 33A, wherein squeezing the nostril results in greater than 30 wt% of the naloxone hydrochloride composition initially retained by the applicator being released from the applicator.
- Aspect 35A The method of any one of aspects 26A to 34A, wherein the method results in from 4 mg to 20 mg of naloxone hydrochloride being released from the applicator.
- Aspect 36A The method of any one of aspects 26A to 35 A, wherein following administration to a population of patients the method provides a naloxone plasma pharmacokinetic profile characterized by a T max from 0.2 h to 0.4 h such as from 0.23 h to 0.29 h; a C max from 5,129 pg / mL to 6,288 pg/mL; a PAUC 30 from 400 pgxh/mL to 489 pgxh/mL; an AUC last from 7,192 pgxh/mL to 8,791 pgxh/mL; and a T 1/2 from 2.1 h to 2.8 h, wherein the applicator initially retains 8 mg of naloxone HC1 in a composition comprising 60 mg/mL naloxone hydrochloride.
- Aspect 37A The method of any one of aspects 26A to 36A, wherein following administration to a population of patients the method provides a naloxone plasma pharmacokinetic profde that is bioequivalent to the pharmacokinetic profile for Treatment 3A shown in FIG. 9 and 10, wherein the applicator initially retains 12 mg of naloxone HC1 in a composition comprising 60 mg/mL naloxone hydrochloride.
- Aspect 38A The method of any one of aspects 26A to 37A, wherein following administration to a population of patients the method provides a naloxone plasma pharmacokinetic profile characterized by a T maX less than 0.3 ( ⁇ 10%) hour and a C max from 4,400 ( ⁇ 10%) pg/mL to 6,600 ( ⁇ 10%) pg/mL, wherein the applicator initially retains 12 mg of naloxone HC1 in a composition comprising 60 mg/mL naloxone hydrochloride.
- Aspect 39A The method of any one of aspects 26A to 38A, wherein, following administration of from 4.0 mg to 5.0 mg of naloxone hydrochloride to a population of patients, the naloxone plasma pharmacokinetic profile is bioequivalent to a pharmacokinetic profile characterized by a C max of 5,700 ( ⁇ 10%) pg/mL, a T max ( ⁇ 10%) of 0.26 hours, and a AUC las , t of 8,000 ( ⁇ 10%) pgxhr/mL wherein the applicator initially retains 12 mg of naloxone HC1 in a composition comprising 60 mg/mL naloxone hydrochloride.
- Aspect 40 A The method of any one of aspects 26A to 39A, wherein following administration of from 4.0 mg to 5.0 mg of naloxone hydrochloride to a population of patients, the naloxone plasma pharmacokinetic profile is further characterized by a pAUC at 5 min of 446 ( ⁇ 10%) pgxhr/mL, and a pAUC at 15 min of 834 ( ⁇ 10%) pgxhr/mL wherein the applicator initially retains 12 mg of naloxone HC1 in a composition comprising 60 mg/mL naloxone hydrochloride.
- Aspect 41 A The method of any one of aspects 26A to 39A, wherein following administration of from 4.0 mg to 5.0 mg of naloxone hydrochloride to a population of patients, the naloxone plasma pharmacokinetic profile is further characterized by a pAUC at 5 min of 446 ( ⁇ 10%) pgxhr/mL, and a p
- naloxone plasma pharmacokinetic profile is characterized by a T 1/2 of 2.3 ( ⁇ 10%) hours.
- Aspect 42 A The method of any one of aspects 26 A to 41 A, wherein following administration of from 4.0 mg to 5.0 mg of naloxone to a population of patients, the naloxone plasma pharmacokinetic profile is characterized by a p AUC at 30 min of 3 ,511 ( ⁇ 10%) pg/hr/mL
- Aspect 43 A The method of any one of aspects 26A to 42A, wherein the opioid overdose is caused by buprenorphine, carfentanil, codeine, fentanyl, hydrocodone, hydromorphone, meperidine, methadone, morphine, opium, oxycodone, oxymorphone, tramadol, or a combination of any of the foregoing.
- Aspect 44A The method of any one of aspects 26A to 43 A, wherein a single dose of 4 mg naloxone hydrochloride administered using a device and method provided by the present disclosure, when administered to a population of patients exhibits a T max from 0.23 h to 0.29 h; a C max from 5,129 pg / mL to 6,288 pg/mL; a pAUC 30 from 400 pgxh/mL to 489 pgxh/mL; an AUC last from 7.192 pgxh/mL to 8,791 pgxh/mL; and a T 1/2 from 2.1 h to 2.8 h.
- Aspect 45 A The method of any one of aspects 26A to 44A, wherein a single dose of 4 mg naloxone hydrochloride administered using a device and method provided by the present disclosure, when administered to a population of patients exhibits a T max from 0.2 hours to 0.4 hours such as from 0.24 h to 0.28 h; a C max from 5,414 pg/mL to 5,983 pg/mL; a pAUC 30 from 423 pgxh/mL to 467 pgxh/mL; an AUC last from 7,552 pgxh/mL to 8,391 pgxh/mL; and/or a T 1/2 from 2.2 h to 2.5 h.
- Aspect 46B The method of any one of aspects 26A to 43 A, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a T max of less than 0.40 hours.
- Aspect 47B The method of any one of aspects 26A to 43 A, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a T max of from 0.15 hours to 0.40 hours.
- Aspect 48B The method of any one of aspects 26A to 43A and 46B to 47B, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a C max of greater than 1,000 pg/mL.
- Aspect 49B The method of any one of aspects 26A to 43A and 46B to 47B, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a C max of from 1,000 pg/mL to 7,000 pg/mL.
- Aspect 50B The method of any one of aspects 26A to 43A and 46B to 49B, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a pAUCo-iomm of greater than 70 pgxhr/mL.
- Aspect 5 IB Aspect 5 IB.
- a naloxone plasma pharmacokinetic profile is characterized by a pAUC 0-10min from 70 pgxhr/mL to 600 pgxhr/mL.
- Aspect 52B The method of any one of aspects 26A to 43 A and 46B to 5 IB, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profde is characterized by a pAUC o-1h of greater than 500 pgxhr/mL.
- Aspect 53B The method of any one of aspects 26A to 43 A and 46B to 5 IB, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a pAUC o-1h of from 500 pgxhr/mL to 5,000 pgxhr/mL.
- Aspect 54B The method of any one of aspects 26A to 43A and 46B to 53B, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a pAUC o-3h of greater than 1,000 pgxhr/mL.
- Aspect 55B The method of any one of aspects 26A to 43 A and 46B to 53B, wherein, following administration of a single dose of the naloxone composition to a population of patients a naloxone plasma pharmacokinetic profile is characterized by a pAUC o-3h of from 1,000 pgxhr/mL to 8,000 pgxhr/mL.
- Aspect 56B The method of any one of aspects 46B to 55B, wherein the dose of naloxone is from 10 mg to 14 mg.
- Aspect 57B The method of any one of aspects 46A to 55B, wherein the dose of naloxone is 12 mg.
- Aspect 58B The method of any one of aspects 46A to 57B, wherein greater than 10% of the naloxone hydrochloride initially retained by an applicator is released from the applicator.
- Aspect 59B The method of any one of aspects 46A to 57B, wherein from 10% to 50% of the naloxone hydrochloride initially retained by an applicator is released from the applicator.
- the naloxone compositions used in the examples had a concentration of naloxone hydrochloride from 20 mg/mL to 60 mg/mL provided as the appropriate weight of naloxone HC1 dihydrate, 0.05 wt% Na 2 EDTA, 0.10 wt% benzalkonium chloride (BKC), 0.15 wt% NaCl, and 10 mM citric acid.
- the pH of the naloxone compositions was adjusted to 4.5 with NaOH or HC1.
- the devices used in the examples had the dimensions as shown in FIGS. 12A and 12B.
- the handle and stop were made from polypropylene.
- the applicator was a reticulated polyurethane foam having the following properties: 80 ppi to 100 ppi pore size (pressure drop); density from 1.90 lb/ft 3 to 2.30 lb/ft 3 (30 kg/m 3 to 37 kg/m 3 ); tensile strength greater than 21 psi (145 kPa); elongation greater than 225%; tear strength greater than 2.5 lb/in (350 N/m); compression force deflection (CFD) 25%R (2 in x2 in x 1 in) greater than 0.4 psi (2.7 kpPa); CFD 65%R (2 in x2 in x 1 in) 0.55 psi (3.1 kPa); and compression set 50% deflection less than 10%.
- CFRD compression force deflection
- FIG. 4 shows ex vivo results of delivery of naloxone HC1 by a reticulated polyurethane foam applicator as described in Example 2 and using different initial volumes of the naloxone composition described in Example 1. More specifically, FIG. 4 shows the amount in mg of naloxone released by the applicator on the Y-axis and the volume in ⁇ L of a naloxone composition having a naloxone HC1 concentration 60 mg/mL initially retained by the polyurethane foam applicator on the X-axis.
- %RSD relative standard deviation
- the in vitro assay indicates that the delivered naloxone HC1 dose can be adjusted by changing the volume of the naloxone -containing composition held by the applicator.
- the volume required to cover an in vitro released dose range of 4 mg to 12 mg naloxone HC1 can be from 77.0 ⁇ L to 220.0 ⁇ L, for a naloxone-containing composition of Example 1 having a 60 mg/mL concentration of naloxone HC1.
- Table 1 shows data collected from 10 different applicators comprising the same Lac material.
- Each of the 10 applicators comprising Lac was placed in a vial with a naloxone composition, where each vial contained the same fixed volume for each of the Lac applicators for which data was collected) so that each applicator absorbed the same volume of the naloxone composition.
- each applicator was contacted against an absorbent paper surface by rolling the applicator four times across the surface of the absorbent paper (Benchkote® Plus).
- the quantity of the naloxone composition held by an applicator was measured before the applicator contacted the absorbent paper surface by weighing the applicator.
- the quantity of the naloxone formulation transferred to the absorbent paper was measured by weighing the paper.
- Table 1 shows the weight percent of the naloxone composition transferred to the absorbent paper surface using Lac applicators.
- Table 2 shows data collected from 10 different applicators comprising the same polyurethane foam.
- Each of the 10 polyurethane foam applicators was placed in a vial of a naloxone composition (where each vial contained the same fixed volume for each of the applicators for which data was collected) so that each polyurethane foam applicator adsorbed nominally the same volume of the naloxone composition.
- each applicator was contacted against an absorbent paper using the method described in Example 3 so that an amount of the naloxone composition was transferred from the applicator to the absorbent paper.
- the quantity of the naloxone composition held by an applicator was measured by weighing the applicator before and after the applicator contacted the absorbent paper.
- Table 2 shows the weight percent of the naloxone composition transferred to the absorbent paper surface using polyurethane foam applicators.
- Naloxone compositions were prepared as described in Example 1.
- naloxone compositions of naloxone were assessed under three conditions.
- the conditions under which the samples were stored for stability analysis were: (i) 2 °C to 8 °C; (ii) 40 °C; and (iii) 60 °C.
- the stability of the naloxone compositions was measured for solutions in open glass vials at the indicated temperatures.
- naloxone compositions were clear and colorless, and the pH was 4.5.
- the naloxone hydrochloride concentration for Composition 1 was 60 mg/mL and for Composition 2 was 50 mg/mL.
- the osmolality of all samples for both compositions was in the range from 293 mOsmol/kg to 304 mOsmol/kg. Samples stored at 2 °C to 8 °C and at 40 °C remained colorless and clear. Both compositions stored at 60 °C changed color to a light yellow but clear solution.
- naloxone PK profdes in 10 healthy human subjects was measured following administration of naloxone compositions having different naloxone HC1 concentrations.
- the naloxone compositions were prepared as described in Example 1 and the device used to intranasally administer the naloxone compositions is described in Example 2 and included a reticulated polyurethane foam applicator.
- the applicator was inserted into the nasal passage of a subject until the stop rested against the anterior naris such that the applicator contacted the nasal mucosa in proximity to the tip of the middle turbinate and the tip of inferior turbinate with the applicator causing release of the naloxone composition onto the nasal mucosa.
- the applicator holding the naloxone composition was pressed and swirled three times against the nasal mucosa of the subject. The results are presented in FIGS. 5-7.
- FIG. 5 shows PK profdes collected from 10 healthy human subjects to whom a naloxone composition was administered using different techniques and compositions.
- FIG. 5 shows mean plasma naloxone concentration-time profdes for all 10 human subjects to whom naloxone compositions were administered. Data in the graph is expressed as a mean with the SD shown by the bars. The treatment conditions are summarized in Table 10.
- FIG. 6 shows the graph of FIG. 5 with the addition of data for an additional treatment modality labeled Treatment 2.
- Treatment 2 a single Narcan® nasal spray of a composition containing 4 mg of naloxone HC1 was administered.
- Narcan® nasal spray is supplied as a single dose intranasal spray containing from 2 mg or 4 mg of naloxone hydrochloride in a volume of 0.1 mL.
- Treatment 3 Notwithstanding the relatively high residual amount of naloxone HC1 that remained on the applicator, as shown in FIGS. 5 and 6, Treatment 3, Treatment 4, and Treatment 5 outperformed the intramuscular (IM) injection and nasal spray in terms of the short T For example, for Treatment 3, was achieved in about 4.5 min as compared to about 30 min using the nasal spray.
- the method of administration resulted in release of only about 20% of the naloxone composition held on the applicator, the focused release onto the respiratory epithelium in the vicinity of the middle turbinate and the inferior turbinate resulted in efficient transfer of the naloxone composition across the nasal mucosa and into the bloodstream of the subjects. This contrasts with a nasal spray that spreads the naloxone composition around the inside of the nasal passage without achieving a focused delivery of the naloxone composition to the respiratory epithelium.
- FIG. 7 shows a table summarizing the PK parameters based on the PK profdes shown in FIGS. 5 and 6. As presented, FIG. 7 includes AUC (Area Under Curve) and partial AUC data for the different treatments.
- the first column of the table corresponds to IM administration (Treatment 1), Narcan® spray administration (Treatment 2), administration with a polyurethane foam applicator holding 8 mg of naloxone HC1 (Treatment 3), administration with a polyurethane foam applicator holding 4 mg of naloxone HC1 (Treatment 4), and administration with a polyurethane foam applicator holding 12 mg of naloxone HC1 (Treatment 5).
- naloxone measured using, for example, liquid chromatography tandem mass- spectroscopy and evaluated using PhoenixTM WinNonlin® version 8.1 (Pharsight Corporation, USA) and Microsoft® Excel® 2016 (Microsoft Corporation, USA).
- PhoenixTM WinNonlin® version 8.1 (Pharsight Corporation, USA) and Microsoft® Excel® 2016 (Microsoft Corporation, USA).
- Partial AUC data was calculated at 2.4 minutes, 4.8 minutes, and 10 minutes for each of the five treatments (i.e. nasal spray, IM injection, polyurethane foam applicator at 8 mg, polyurethane foam applicator at 4 mg, and polyurethane foam applicator at 12 mg).
- FIG. 8 shows a table with proposed administration techniques intended to reduce the amount of naloxone HC1 remaining on an applicator after administration to the nasal mucosa.
- the plasma naloxone PK profiles in 10 healthy human subjects was measured following administration of naloxone compositions having different naloxone HC1 concentrations. Following administration, plasma samples were obtained at intervals and naloxone measured using, for example, liquid chromatography tandem mass-spectroscopy and evaluated using PhoenixTM WinNonlin® version 8.1 (Pharsight Corporation, USA) and Microsoft® Excel® 2016 (Microsoft Corporation, USA).
- the naloxone compositions were prepared as described in Example 1 and the device used to intranasally administer the naloxone compositions is described in Example 2 and included a reticulated polyurethane foam applicator.
- the naloxone compositions for nasal administration had a naloxone HC1 concentration of 60 mg/mL.
- Table 13 shows the amount of the naloxone composition remaining on the polyurethane foam applicators following administration.
Abstract
Description
Claims
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EP22714058.9A EP4304595A1 (en) | 2021-03-12 | 2022-03-11 | Naloxone for use in the treatment of an opioid overdose administered by a drug delivery device |
CN202280027677.7A CN117177751A (en) | 2021-03-12 | 2022-03-11 | Naloxone for use in the treatment of opioid overdose administered via a drug delivery device |
AU2022234780A AU2022234780A1 (en) | 2021-03-12 | 2022-03-11 | Naloxone for use in the treatment of a opioid overdose administered by a drug delivery device |
CA3211780A CA3211780A1 (en) | 2021-03-12 | 2022-03-11 | Naloxone for use in the treatment of an opioid overdose administerd by a drug delivery device |
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US63/177,772 | 2021-04-21 | ||
US202163238729P | 2021-08-30 | 2021-08-30 | |
US63/238,729 | 2021-08-30 | ||
US17/463,079 US11278709B1 (en) | 2021-03-12 | 2021-08-31 | Drug delivery device and methods for using same |
US17/463,079 | 2021-08-31 |
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