US20200170957A1 - Capsule formulations - Google Patents

Capsule formulations Download PDF

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US20200170957A1
US20200170957A1 US16/697,523 US201916697523A US2020170957A1 US 20200170957 A1 US20200170957 A1 US 20200170957A1 US 201916697523 A US201916697523 A US 201916697523A US 2020170957 A1 US2020170957 A1 US 2020170957A1
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solid solution
capsule
compound
peg
solution capsule
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Manmohan Reddy Leleti
Jay P. Powers
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Chemocentryx Inc
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Chemocentryx Inc
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Priority to US17/545,878 priority patent/US11951214B2/en
Priority to US18/437,368 priority patent/US20240299306A1/en
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    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4841—Filling excipients; Inactive ingredients
    • A61K9/4858—Organic compounds
    • 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
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4412—Non condensed pyridines; Hydrogenated derivatives thereof having oxo groups directly attached to the heterocyclic ring
    • 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
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/451—Non condensed piperidines, e.g. piperocaine having a carbocyclic group directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine
    • 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
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
    • 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
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/14—Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
    • 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
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/40—Cyclodextrins; Derivatives thereof
    • 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
    • A61K47/44—Oils, fats or waxes according to two or more groups of A61K47/02-A61K47/42; Natural or modified natural oils, fats or waxes, e.g. castor oil, polyethoxylated castor oil, montan wax, lignite, shellac, rosin, beeswax or lanolin
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4808—Preparations in capsules, e.g. of gelatin, of chocolate characterised by the form of the capsule or the structure of the filling; Capsules containing small tablets; Capsules with outer layer for immediate drug release
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4816—Wall or shell material
    • A61K9/4825—Proteins, e.g. gelatin
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4833—Encapsulating processes; Filling of capsules
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4841—Filling excipients; Inactive ingredients
    • A61K9/4866—Organic macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system

Definitions

  • the complement system plays a central role in the clearance of immune complexes and in immune responses to infectious agents, foreign antigens, virus infected cells and tumor cells. Inappropriate or excessive activation of the complement system can lead to harmful, and even potentially life-threatening consequences due to severe inflammation and resulting tissue destruction. These consequences are clinically manifested in various disorders including septic shock; myocardial, as well as, intestinal ischemia/reperfusion injury; graft rejection; organ failure; nephritis; pathological inflammation; and autoimmune diseases.
  • the complement system is composed of a group of proteins that are normally present in the serum in an inactive state. Activation of the complement system encompasses mainly three distinct pathways, i.e., the classical, the alternative, and the lectin pathway (V. M. Holers, In Clinical Immunology: Principles and Practice , ed. R. R. Rich, Mosby Press; 1996, 363-391): 1)
  • the classical pathway is a calcium/magnesium-dependent cascade, which is normally activated by the formation of antigen-antibody complexes. It can also be activated in an antibody-independent manner by the binding of C-reactive protein, complexed with ligand, and by many pathogens including gram-negative bacteria.
  • the alternative pathway is a magnesium-dependent cascade which is activated by deposition and activation of C3 on certain susceptible surfaces (e.g. cell wall polysaccharides of yeast and bacteria, and certain biopolymer materials).
  • C3 e.g. cell wall polysaccharides of yeast and bacteria, and certain biopolymer materials.
  • the lectin pathway involves the initial binding of mannose-binding lectin and the subsequent activation of C2 and C4, which are common to the classical pathway (Matsushita, M. et al., J. Exp. Med. 176: 1497-1502 (1992); Suankratay, C. et al., J. Immunol. 160: 3006-3013 (1998)).
  • complement pathway generates biologically active fragments of complement proteins, e.g. C3a, C4a and C5a anaphylatoxins and C5b-9 membrane attack complexes (MAC), all which mediate inflammatory responses by affecting leukocyte chemotaxis; activating macrophages, neutrophils, platelets, mast cells and endothelial cells; and increasing vascular permeability, cytolysis and tissue injury.
  • complement proteins e.g. C3a, C4a and C5a anaphylatoxins and C5b-9 membrane attack complexes (MAC), all which mediate inflammatory responses by affecting leukocyte chemotaxis; activating macrophages, neutrophils, platelets, mast cells and endothelial cells; and increasing vascular permeability, cytolysis and tissue injury.
  • Complement C5a is one of the most potent proinflammatory mediators of the complement system.
  • the anaphylactic C5a peptide is 100 times more potent, on a molar basis, in eliciting inflammatory responses than C3a.
  • C5a is the activated form of C5 (190 kD, molecular weight).
  • C5a is present in human serum at approximately 80 ⁇ g/ml (Kohler, P. F. et al., J. Immunol. 99: 1211-1216 (1967)). It is composed of two polypeptide chains, ⁇ and ⁇ , with approximate molecular weights of 115 kD and 75 kD, respectively (Tack, B. F.
  • C5 Biosynthesized as a single-chain promolecule, C5 is enzymatically cleaved into a two-chain structure during processing and secretion. After cleavage, the two chains are held together by at least one disulphide bond as well as noncovalent interactions (Ooi, Y. M. et al., J. Immunol. 124: 2494-2498(1980)).
  • Compound 1 is classed as a compound belonging to Class II of the Biopharmaceutics Classification System (BCS) having poor solubility in the aqueous environment of the gastrointestinal (GI) tract but high permeability across membranes. Thus, its resorption is controlled by its solubility and rate of dissolution in the GI tract.
  • BCS Biopharmaceutics Classification System
  • a solid solution capsule comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt
  • HLB hydrophilic-lipophilic balance
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • a method of preparing a solid solution capsule comprising Compound 1 a free base, in its neutral form or in the form of a pharmaceutically acceptable salt
  • At least one non-ionic surfactant has a hydrophilic-lipophilic balance (HLB) value of at least 10, and
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • step (b) combining the melted vehicle obtained in step (a) with Compound 1 to form a drug solution;
  • a solid solution capsule comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt
  • HLB hydrophilic-lipophilic balance
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • provided herein are methods of treating an individual suffering from or susceptible to a disease or disorder involving pathologic activation of C5a receptors, comprising administering to the individual an effective amount of one or more solid solution capsule comprising Compound 1 as described herein.
  • a single unit dosage capsule comprising about 2.6 mg to 25.2 mg of Compound 1 as a free base, in its neutral form
  • At least one non-ionic surfactant has a hydrophilic-lipophilic balance (HLB) value of at least 10, and
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • kits comprising a solid solution capsule comprising Compound 1 as described herein.
  • FIG. 1 plots the solubility profile of Compound 1 as a free base at various pH values.
  • FIG. 2 illustrates the flow diagram for making a solid solution capsule formulation comprising Compound 1.
  • FIG. 3 is a differential scanning calorimetry (DSC) plot of a solid solution capsule comprising Compound 1 in a 50:50 mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000
  • FIG. 4 is a DSC plot of a solid solution capsule comprising Compound 1 in a 30:70 mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000
  • FIG. 5 is a DSC plot of a solid solution capsule comprising Compound 1 in a 90:10 mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000.
  • FIG. 6 plots the dissolution profile of various Macrogol-40-Glycerol Hydroxystearate:PEG-4000 blends.
  • FIG. 7 plots the dissolution profile of Lots A, B, C, and D of a solid solution capsule comprising Compound 1 in a 50:50 mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000.
  • FIG. 8 shows the PK profile of a solid solution capsule comprising Compound 1 in a 50:50 mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000 administered to a beagle dog. 20 mg/dog was administered; T1 is trial 1; T2, is trial 2; and T3 is trial 3.
  • FIG. 9 shows the PK profile of a solid solution capsule comprising Compound 1 in 100% Macrogol-40-Glycerol Hydroxystearate administered to a beagle dog. 20 mg/dog was administered; T1 is trial 1; T2, is trial 2; and T3 is trial 3.
  • FIG. 10 shows the pharmacokinetic profiles for Compound 1 followin a 30 mg single oral dose of Compound 1 with or without a high fat, high calorie meal.
  • FIG. 11 shows the 19 F Solid-State NMR Spectra of Drug Substance (Ref) and Capsule Fill (9 kHz) from capsules comprising Compound 1 in a 50:50 mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000.
  • the Compound 1 Reference sample includes multiple peaks, while the capsule fill (labeled “Compound 1 Capsule”) shows significantly fewer peaks.
  • Compound 1 has been found to possess extremely poor solubility across a broad pH range. Additionally, Compound 1 lacked solubility in a number of excipients tested. Compound 1 has been successfully formulated as a liquid; however, such formulations included ethanol. Ethanol readily evaporates during both dose preparation and storage, thereby introducing dosing inaccuracies and, at times, causing Compound 1 to crash out of solution. In order to overcome the difficulties in formulating Compound 1 for pharmaceutical uses, the present disclosure provides a solid solution capsule formulation of Compound 1 and methods of making the same.
  • the solid solution capsules described herein provide Compound 1 completely and molecularly dissolved in a matrix, dispersed in a matrix, or a mixture thereof. That is, the drug product is a solid solution of drug substance in the amorphous capsule fill matrix. In some embodiments, dissolution of Compound 1 in the matrix can be determined through visual inspection of the capsule fill matrix. Thus, completely and molecularly dissolved Compound 1 can include a solid solution capsule fill matrix that does not have observable clusters of undissolved Compound 1 and appears as a uniform solid solution to the naked eye.
  • the solid solution capsule formulations described herein avoids or reduces crystallization of the drug substance in the molecularly dissolved or dispersed matrix and provides excellent stability, bioavailability, and pharmacokinetic properties.
  • a key feature of the formulations described herein is the ratio of the at least one non-ionic surfactant having a HLB value of at least 10 and the at least one water-soluble solubilizer having a melting point at or above 37° C. that provide a useful pharmaceutical composition.
  • treating encompasses both disease-modifying treatment and symptomatic treatment, either of which may be prophylactic (i.e., before the onset of symptoms, in order to prevent, delay or reduce the severity of symptoms) or therapeutic (i.e., after the onset of symptoms, in order to reduce the severity and/or duration of symptoms).
  • salts are meant to include salts of the active compounds which are prepared with relatively nontoxic acids or bases.
  • salts derived from pharmaceutically-acceptable inorganic bases include aluminum, ammonium, calcium, copper, ferric, ferrous, lithium, magnesium, manganic, manganous, potassium, sodium, zinc and the like.
  • Salts derived from pharmaceutically-acceptable organic bases include salts of primary, secondary and tertiary amines, including substituted amines, cyclic amines, naturally-occurring amines and the like, such as arginine, betaine, caffeine, choline, N,N′-dibenzylethylenediamine, diethylamine, 2-diethylaminoethanol, 2-dimethylaminoethanol, ethanolamine, ethylenediamine, N-ethylmorpholine, N-ethylpiperidine, glucamine, glucosamine, histidine, hydrabamine, isopropylamine, lysine, methylglucamine, morpholine, piperazine, piperadine, polyamine resins, procaine, purines, theobromine, triethylamine, trimethylamine, tripropylamine, tromethamine and the like.
  • arginine betaine
  • caffeine choline
  • Examples of pharmaceutically acceptable acid addition salts include those derived from inorganic acids like hydrochloric, hydrobromic, nitric, carbonic, monohydrogencarbonic, phosphoric, monohydrogenphosphoric, dihydrogenphosphoric, sulfuric, monohydrogensulfuric, hydriodic, or phosphorous acids and the like, as well as the salts derived from relatively nontoxic organic acids like acetic, propionic, isobutyric, malonic, benzoic, succinic, suberic, fumaric, mandelic, phthalic, benzenesulfonic, p-tolylsulfonic, citric, tartaric, methanesulfonic, and the like.
  • salts of amino acids such as arginate and the like
  • salts of organic acids like glucuronic or galactunoric acids and the like
  • Berge, S. M., et al “Pharmaceutical Salts”, Journal of Pharmaceutical Science, 1977, 66, 1-19 or P.Heinrich, Stahl, Camille G. Wemouth, Handbook of Pharmaceutical Salts, 2002. Wiley-VCH).
  • the neutral form of Compound 1 may be regenerated by contacting the salt with a base or acid and isolating the parent compound in the conventional manner.
  • the parent form of Compound 1 differs from the various salt forms in certain physical properties, such as solubility in polar solvents, but otherwise the salts are equivalent to the parent form of Compound 1 for the purposes of the present disclosure.
  • Solid solution capsule refers to a formulation comprising the drug substance dissolved or dispersed in an excipient matrix that is encapsulated.
  • the drug substance is completely and molecularly dissolved or dispersed in the excipient matrix, or a mixture thereof.
  • the drug substance i.e. Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt, is dissolved or dispersed in an excipient matrix, which is a vehicle comprising at least one non-ionic surfactant having a hydrophilic-lipophilic balance (HLB) value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • HLB hydrophilic-lipophilic balance
  • Nonionic surfactant refers to a surfactant in which the hydrophilic portion of the surfactant carries no charge.
  • Two non-limiting classes of nonionic surfactants useful in the present disclosure are (a) polyoxyethylene castor oil derivatives, and (b) polyoxyethylene derivatives of a fatty acids containing from about 8 to about 22 carbon atoms. The carbon atoms of the fatty acid can include one or more points of unsaturation or one or more points of substitution (e.g. ricinoleic acid).
  • HLB hydrophilic-lipophilic balance
  • HLB value is the molecular mass of the hydrophilic portion of the molecule, and M is the molecular mass of the whole molecule, giving a result on a scale of 0 to 20.
  • An HLB value of 0 corresponds to a completely lipophilic/hydrophobic molecule, and a value of 20 corresponds to a completely hydrophilic/lipophobic molecule.
  • Griffin's method can be found in Griffin (Journal of the Society of Cosmetic Chemists 1949 1: 311-326) and Griffin (Journal of the Society of Cosmetic Chemists 1954 5: 249-256) which are incorporated herein by reference for all purposes.
  • the HLB value is calculated by the Davies method when is described in Davies J.
  • the HLB value is calculated using the formula
  • E is the weight percent of the oxyethylene content. Further information for this calculation is described in “The HLB system: a time-saving guide to emulsifier selection. Wilmington. ICI Americas, Inc. 1984. Print, the contents of which is incorporated herein by reference for all purposes.
  • Water-soluble solubilizer refers to compositions that that are readily molecularly soluble in water at neutral pH and ambient temperature.
  • water-soluble solubilizers have a solubility in water of at least 15, 20, 35, 30, 35, 40, 45 or 50 g/L at 25° C.
  • water-soluble solubilizers have a solubility in water of at least 40 g/L at 25° C.
  • Typical water-soluble solubizers having a melting point at or above 37° C. are polyethylene glycols having an average molecular weight of 1000 to 6000. Additional water-soluble solubilizers having a melting point at or above 37° C. also include poloxamers such as poloxamer 188, poloxamer 237, poloxamer 338 and poloxamer 407.
  • total fill weight refers to the amount of material that is encapsulated within a capsule shell as described herein.
  • the “total fill weight” does not include the weight of the capsule itself nor any other additives used to seal the capsule.
  • Compound 1 is a chemical compound having an IUPAC name of (2R,3S)-2-(4-(cyclopentylamino)phenyl)-1-(2-fluoro-6-methylbenzoyl)-N-(4-methyl-3-(trifluoromethyl)phenyl)piperidine-3-carboxamide, and the structure shown below:
  • a condition is considered “responsive to C5a receptor modulation” if modulation of C5a receptor activity results in the reduction of inappropriate activity of a C5a receptor.
  • the term “individual” refers to mammals, which includes primates (especially humans), domesticated companion animals (such as dogs, cats, horses, and the like) and livestock (such as cattle, pigs, sheep, and the like), with dosages as described herein. In some embodiments, the term “individual” refers to a human.
  • solid solution capsule formulations comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt
  • At least one non-ionic surfactant has a hydrophilic-lipophilic balance (HLB) value of at least 10, and
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • suitable non-ionic surfactants having an HLB value of at least 10 include (a) polyoxyethylene castor oil derivatives, and (b) polyoxyethylene derivatives of polyol esters, wherein the polyoxyethylene derivative of polyol ester is derived from a fatty acid containing from about 8 to about 22 carbon atoms.
  • the carbon atoms of the fatty acid can include one or more points of unsaturation or one or more points of substitution (e.g. ricinoleic acid).
  • suitable non-ionic surfactants having an HLB value of at least 10 are macrogol-glycerol hydroxystearate polymers such as polyoxyethylene 40 castor oil, polyoxyethylene 40 hydrogenated castor oil (also known as macrogol-40-glycerol hydroxystearate, it previous tradename Cremophor® RH40, and its current tradename Kolliphor® RH40), macrogolglycerol ricinoleate (also known as polyethoxxethylene 35 castor oil, by its previous tradename Cremophor® EL, and by its current tradename Kolliphor® EL), macrogol-15-hydroxystearate (also known by its previous tradename Solutol® HS 15 and its current tradename Kolliphor HS15), polyoxyethylene 60 castor oil, polyoxyethylene 60 hydrogenator castor oil, polyoxyethylene 100 hydrogenated castor oil, polyoxyethylene 200 castor oil, polyoxyethylene 200 hydrogenated castor oil.
  • macrogol-glycerol hydroxystearate polymers such as polyoxyethylene 40 castor
  • Suitable water-soluble solubilizers having a melting point at or above 37° C. can be polyethylene glycols (PEGs) having a minimum average molecular weight of 1000 and a maximum average molecular weight of 20,000.
  • Typical polyethylene glycols used as solubilizers in the present invention are PEG-1000, PEG-1500, PEG-1540, PEG-2000, PEG-3000, PEG-3350, PEG-4000, PEG-6000, PEG-8000, PEG-10000, and PEG-20000.
  • the at least one water-soluble solubilizer is PEG-3000, PEG-3350, PEG-4000, PEG-6000.
  • the at least one water-soluble solubilizer is PEG-4000.
  • water-soluble solubilizers having a melting point at or above 37° C. are solid poloxamers, also known as poloxamer polyols with average molecular weights between 6000 and 18000 or by their tradename Pluronics®, which have the formula HO(C 2 H 4 O) a (C 3 H 6 O)- b (C 2 H 4 O) a H.
  • suitable poloxamers are poloxamer 188, poloxamer 237, poloxamer 338 and poloxamer 407.
  • the at least one non-ionic surfactant having a hydrophilic-liphophilic balance (HLB) value of at least 10 and the at least one water-soluble solubilizer having a melting point at or above 37° C. is a single component.
  • a component includes a hydrophilic polyethylene glycol (PEG) chain attached to a lipophilic fatty acid or fatty alcohol component (e.g. a macrogol-glycerol hydroxystearate).
  • PEG polyethylene glycol
  • fatty alcohol component e.g. a macrogol-glycerol hydroxystearate
  • Such single component vehicles provide a non-ionic surfactant having an HLB value of at least 10 and free PEG polymer chains acting as water-soluble solubilizers.
  • a capsule formulation comprising a non-ionic surfactant having an HLB value of at least 10 and a water-soluble solubilizer having a melting point at or above 37° C. provides a so-called self-emulsifying or self-solubilizing system.
  • the capsule shell dissolves in the gastrointestinal tract followed by dissolution of the solubilizing agent in the gastric fluid with simultaneous formation of micelles comprising molecularly dissolved Compound 1.
  • a microemulsion or a nanoemulsion is formed that permits Compound 1 to remain in solution despite being surrounded by gastric fluid having a pH value of 3 or above, at which pH value Compound 1 is normally insoluble.
  • the solid solution capsule formulations comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt, and a vehicle, said vehicle comprising macrogol-40-glycerol hydroxystearate and PEG-4000.
  • the vehicle comprises about 97 to 99% by weight of the total fill weight of said solid solution capsule. In some embodiments, the vehicle comprises about 98% by weight of the total fill weight of said solid solution capsule.
  • the solid solution capsule comprises about 1 to 3% of Compound 1 by weight of the total fill weight of said solid solution capsule. In some embodiments, the solid solution capsule comprises about 1 to 2.8% of Compound 1 by weight of the total fill weight of said solid solution capsule. In some embodiments, the solid solution capsule comprises about 2% of Compound 1 by weight of the total fill weight of said solid solution capsule.
  • the total weight of the vehicle comprises a 30:70 to 65:35 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is from 30:70 and 65:35.
  • the total weight of the vehicle comprises a 35:65 to 65:35 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 is from 35:65 to 65:35.
  • the total weight of the vehicle comprises a 45:55 to 55:45 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is from 45:55 to 55:45.
  • the total weight of the vehicle comprises about a 50:50 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 50:50.
  • the total weight of the vehicle comprises about a 40:60 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 40:60.
  • the total weight of the vehicle comprises about a 30:70 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 30:70.
  • the total fill weight of said solid solution capsule is about 100 mg to about 1,000 mg. In some embodiments, the total fill weight of said solid solution capsule is about 130 mg to about 900 mg. In some embodiments, the total fill weight of said solid solution capsule is about 250 mg to about 750 mg. In some embodiments, the total fill weight of said solid solution capsule is about 500 mg.
  • the solid solution capsule does not include ethanol.
  • the solid solution capsule is in a capsule of size #00, #0, #1, #2, #3, #4, or #5. In some embodiments, the solid solution capsule is in a capsule of size #00. In some embodiments, the solid solution capsule is in a capsule of size #0. In some embodiments, the solid solution capsule is in a capsule of size #1.
  • the capsule is a hard capsule. In some embodiments, the capsule is a soft capsule.
  • Capsules of the present disclosure can be sealed using known techniques in the art.
  • a gelatin sealing band comprising a plasticizer such as polysorbate 80 can be used to seal the capsules disclosed herein.
  • solid solution capsules comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt.
  • the solid solution capsule formulations described herein are manufactured by filling hard shell capsules with warmed drug solution. After filling the warmed drug solution into the capsules, the solution solidifies and forms an amorphous matrix.
  • a solid solution capsule comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt
  • HLB hydrophilic-lipophilic balance
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • the vehicle in step (a) is heated to about 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 or more degrees C. In some embodiments, the vehicle in step (a) is heated to about 50° to 85° C. In some embodiments, the vehicle in step (a) is heated to about 50° C. In some embodiments, the vehicle in step (a) is heated to about 60° C. In some embodiments, the vehicle in step (a) is heated to about 70° C. In some embodiments, the vehicle in step (a) is heated to about 80° C.
  • step (a) comprises
  • the melting of step (a) can be performed using standard heating techniques in the art. This also applies to steps (i) and (ii). In some embodiments, the heating temperatures of steps (i) and (ii) are the same. In some embodiments, the heating temperatures of steps (i) and (ii) are different.
  • the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 or more degrees C. In some embodiments, the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 50° to 85° C. In some embodiments, the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 50° to 70° C. In some embodiments, the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 50° C.
  • the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 60° C. In some embodiments, the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 70° C. In some embodiments, the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 80° C.
  • the at least one water-soluble solubilizer in step (ii) is heated to about 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 or more degrees C. In some embodiments, the at least one water-soluble solubilizer in step (ii) is heated to about 50° to 90° C. In some embodiments, the at least one water-soluble solubilizer in step (ii) is heated to about 80° to 85° C. In some embodiments, the at least one water-soluble solubilizer in step (ii) is heated to about 50° C. In some embodiments, the at least one water-soluble solubilizer in step (ii) is heated to about 60° C. In some embodiments, the at least one water-soluble solubilizer in step (ii) is heated to about 70° C. In some embodiments, the at least one water-soluble solubilizer in step (ii) is heated to about 80° C.
  • the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 50 to 70° C., and the at least one water-soluble solubilizer in step (ii) is heated to about 80 to 85° C.
  • the at least one non-ionic surfactant having an HLB value of at least 10 in step (i) is heated to about 60° C., and the at least one water-soluble solubilizer in step (ii) is heated to about 80° C.
  • the melted solubilizer may have the temperature adjusted to a temperature within the tolerances of the capsule shell.
  • the temperature tolerance of a gelatin capsule shell is about 65° C. Difference capsule shells can tolerate different temperatures, a person of skill in the art would readily identify appropriate temperatures based on the capsule shell being used.
  • agitation When contacting the melted solubilizer and the melted surfactant, agitation is generally applied to ensure mixing of the melted surfactant and melted solubilizer. Typically, stirring is employed. The time of agitation/stirring will vary depending on the components of the melted surfactant and melted solubilizer, the size of the preparation, and the heating temperatures used. In some embodiments, stirring is performed for 0.25, 0.5, 0.75, 1, 2 or more hours. Agitation may be performed under vacuum during this step to dearate the solution.
  • Dissolution of Compound 1 can be achieved by a number of techniques including waiting an appropriate amount of time or agitating the solution to increase the rate of dissolution.
  • the heated vehicle with Compound 1 in step (b) is agitated by stirring. Stirring times can be between one to six or more hours. In some embodiments, the stirring time is for 1, 2, 3, 4, 5 6 or more hours. In some embodiments, the stirring time is for about 3.5 hours.
  • Encapsulation of the drug solution is performed using known techniques in the art.
  • One such machine useful for encapsulating is a Shionogi F40 filler.
  • Shionogi F40 filler A person of skill in the art will be aware of additional equivalent machines.
  • the cooling in recited step (d) can include passive activities such as allowing the encapsulated drug solution to equilibrate to room temperature or more active steps such as placing the encapsulated drug solution in a refrigerated area to increase the rate of cooling.
  • step (b) after dissolution of Compound 1 in the heated vehicle (step (b)), to form a drug mixture, the drug mixture can be cooled to form a solid solution.
  • cooling can include passive activities such as allowing the encapsulated drug solution to equilibrate to room temperature or more active steps such as placing the encapsulated drug solution in a refrigerated area to increase the rate of cooling.
  • the total weight of the vehicle comprises a 30:70 to 65:35 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is from 30:70 and 65:35.
  • the total weight of the vehicle comprises a 35:65 to 65:35 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 is from 35:65 to 65:35.
  • the total weight of the vehicle comprises a 45:55 to 55:45 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is from 45:55 to 55:45.
  • the total weight of the vehicle comprises about a 50:50 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 50:50.
  • the total weight of the vehicle comprises about a 40:60 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 40:60.
  • the total weight of the vehicle comprises about a 30:70 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 30:70.
  • a solid solution capsule comprising Compound 1 prepared according to the methods describe herein.
  • a solid solution capsule comprising Compound 1 as a free base, in its neutral form or in the form of a pharmaceutically acceptable salt
  • HLB hydrophilic-lipophilic balance
  • At least one water-soluble solubilizer having a melting point at or above 37° C. obtainable by a process comprising
  • kits for treating an individual suffering from or susceptible to a disease or disorder involving pathologic activation of C5a receptors comprising administering to the individual an effective amount of a solid solution capsule comprising Compound 1 as described herein.
  • the solid solution capsules comprising Compound 1 described herein are used for treating patients suffering from conditions that are responsive to C5a receptor modulation.
  • Autoimmune disorders e.g., Rheumatoid arthritis, systemic lupus erythematosus, Guillain-Barre syndrome, pancreatitis, C3 glomerulopathy (C3G), hidradenitis suppurativa (HS), lupus nephritis, lupus glomerulonephritis, immunoglobulin A (IgA) nephropathy, psoriasis, Crohn's disease, vasculitis, irritable bowel syndrome, dermatomyositis, multiple sclerosis, bronchial asthma, pemphigus, pemphigoid, scleroderma, myasthenia gravis, autoimmune hemolytic and thrombocytopenic states, Goodpasture's syndrome (and associated glomerulonephritis and pulmonary hemorrhage), immunovasculitis, tissue graft rejection, hyperacute rejection of transplanted organs; and the like
  • Inflammatory disorders and related conditions e.g., Neutropenia, sepsis, septic shock, Alzheimer's disease, multiple sclerosis, stroke, inflammatory bowel disease (IBD), age-related macular degeneration (AMD, both wet and dry forms), inflammation associated with severe burns, lung injury, and ischemia-reperfusion injury, osteoarthritis, as well as acute (adult) respiratory distress syndrome (ARDS), chronic pulmonary obstructive disorder (COPD), systemic inflammatory response syndrome (SIRS), atopic dermatitis, psoriasis, chronic urticaria and multiple organ dysfunction syndrome (MODS).
  • IBD inflammatory bowel disease
  • AMD age-related macular degeneration
  • COPD chronic pulmonary obstructive disorder
  • SIRS systemic inflammatory response syndrome
  • MODS multiple organ dysfunction syndrome
  • pathologic sequellae associated with insulin-dependent diabetes mellitus including diabetic retinopathy
  • lupus nephropathy including diabetic retinopathy
  • Heyman nephritis membranous nephritis and other forms of glomerulonephritis
  • contact sensitivity responses e.g., contact sensitivity responses to contact of blood with artificial surfaces that can cause complement activation, as occurs, for example, during extracorporeal circulation of blood (e.g., during hemodialysis or via a heart-lung machine, for example, in association with vascular surgery such as coronary artery bypass grafting or heart valve replacement), or in association with contact with other artificial vessel or container surfaces (e.g., ventricular assist devices, artificial heart machines, transfusion tubing, blood storage bags, plasmapheresis, plateletpheresis, and the like).
  • ventricular assist devices e.g., artificial heart machines, transfusion tubing, blood storage bags, plasmapheresis, plateletphere
  • ischemia/reperfusion injury such as those resulting from transplants, including solid organ transplant, and syndromes such as ischemic reperfusion injury, ischemic colitis and cardiac ischemia.
  • the solid solution capsules comprising Compound 1 described herein may also be useful in the treatment of age-related macular degeneration (Hageman et al, P.N.A.S. 102: 7227-7232, 2005).
  • Cardiovascular and Cerebrovascular Disorders e.g., myocardial infarction, coronary thrombosis, vascular occlusion, post-surgical vascular reocclusion, atherosclerosis, traumatic central nervous system injury, and ischemic heart disease.
  • an effective amount of a solid solution capsule comprising Compound 1 described herein may be administered to a patient at risk for myocardial infarction or thrombosis (i.e., a patient who has one or more recognized risk factor for myocardial infarction or thrombosis, such as, but not limited to, obesity, smoking, high blood pressure, hypercholesterolemia, previous or genetic history of myocardial infarction or thrombosis) in order reduce the risk of myocardial infarction or thrombosis.
  • risk factor for myocardial infarction or thrombosis i.e., a patient who has one or more recognized risk factor for myocardial infarction or thrombosis, such as, but not limited to, obesity, smoking, high blood pressure, hypercholesterolemia, previous or genetic history of myocardial infarction or thrombosis
  • Vasculitis Diseases of Vasculitis—Vasculitic diseases are characterized by inflammation of the vessels. Infiltration of leukocytes leads to destruction of the vessel walls, and the complement pathway is believed to play a major role in initiating leukocyte migration as well as the resultant damage manifested at the site of inflammation (Vasculitis, Second Edition, Edited by Ball and Bridges, Oxford University Press, pp 47-53, 2008).
  • the solid solution capsules comprising Compound 1 described herein can be used to treat vasculitis, including anti-neutrophil cytoplasmic antibody associate vasculitis (or ANCA-associated vasculitis, which includes microscopic polyangiitis, eosinophilic granulomatosis with polyangitis, and granulomatosis with polyangiitis, which is also known as Wegener's disease), Churg-Strauss syndrome, Henoch-Schonlein purpura, polyateritis nodosa, Rapidly Progressive Glomerulonephritis (RPGN), cryoglobulinaemia, giant cell arteritis (GCA), Behcet's disease and Takayasu's arteritis (TAK).
  • vasculitis including anti-neutrophil cytoplasmic antibody associate vasculitis (or ANCA-associated vasculitis, which includes microscopic polyangiitis, eosinophilic granulomatosis with polyangitis
  • the solid solution capsules comprising Compound 1 described herein may be used to inhibit HIV infection, delay AIDS progression or decrease the severity of symptoms or HIV infection and AIDS.
  • the solid solution capsules comprising Compound 1 described herein may be used to treat Alzheimer's disease, multiple sclerosis, and cognitive function decline associated with cardiopulmonary bypass surgery and related procedures.
  • Cancers The solid solution capsules comprising Compound 1 described herein are also useful for the treatment of cancers and precancerous conditions in a subject.
  • Specific cancers that can be treated include, but are not limited to, sarcomas, carcinomas, and mixed tumors.
  • Exemplary conditions that may be treated according to the present invention include fibrosarcomas, liposarcomas, chondrosarcomas, osteogenic sarcomas, angiosarcomas, lymphangiosarcomas, synoviomas, mesotheliomas, meningiomas, leukemias, lymphomas, leiomyosarcomas, rhabdomyosarcomas, squamous cell carcinomas, basal cell carcinomas, adenocarcinomas, papillary carcinomas, cystadenocarcinomas, bronchogenic carcinomas, melanomas, renal cell carcinomas, hepatocellular carcinomas, transitional cell carcinomas, choriocarcinomas, seminomas, embryonal carcinomas, wilm's tumors, pleomorphic adenomas, liver cell papillomas, renal tubular adenomas, cystadenomas, papillomas, adenomas
  • the solid solution capsules comprising Compound 1 described herein can be used for the treatment of diseases selected from the group consisting of sepsis (and associated disorders), COPD, rheumatoid arthritis, lupus nephritis and multiple sclerosis.
  • the solid solution capsules comprising Compound 1 described herein can be used for the treatment of diseases selected from the group consisting of anti-neutrophil cytoplasmic antibody associate (ANCA) vasculitis, C3 glomerulopathy, hidradenitis suppurativa, and lupus nephritis.
  • ANCA anti-neutrophil cytoplasmic antibody associate
  • Treatment methods provided herein include, in general, administration to a patient an effective amount of one or more solid solution capsules comprising Compound 1 described herein.
  • Suitable patients include those patients suffering from or susceptible to (i.e., prophylactic treatment) a disorder or disease identified herein.
  • Typical patients for treatment as described herein include mammals, particularly primates, especially humans.
  • Other suitable patients include domesticated companion animals such as a dog, cat, horse, and the like, or a livestock animal such as cattle, pig, sheep and the like.
  • treatment methods provided herein comprise administering to a patient an effective amount of one or more solid solution capsules comprising Compound 1 described herein.
  • the solid solution capsules comprising Compound 1 described herein are administered to a patient (e.g., a human) orally.
  • the effective amount may be an amount sufficient to modulate C5a receptor activity and/or an amount sufficient to reduce or alleviate the symptoms presented by the patient.
  • the amount administered is sufficient to yield a plasma concentration of the compound (or its active metabolite, if the compound is a pro-drug) high enough to detectably inhibit white blood cell (e.g., neutrophil) chemotaxis in vitro.
  • Treatment regimens may vary depending on the compound used and the particular condition to be treated; for treatment of most disorders, a frequency of administration of 4 times daily or less is preferred. In some embodiments, a dosage regimen of 2 times daily is used. In some embodiments, once daily administration is used.
  • the patient may be administered solid solution capsules comprising Compound 1 in a fed or fasted state. In some embodiments, the patient takes the solid solution capsules comprising Compound 1 with food. In some embodiments, the patient takes the solid solution capsules comprising Compound 1 without food.
  • the specific dose level and treatment regimen for any particular patient will depend upon a variety of factors including the age, body weight, general health, sex, diet, time of administration, route of administration, rate of excretion, drug combination (i.e., other drugs being administered to the patient) and the severity of the particular disease undergoing therapy, as well as the judgment of the prescribing medical practitioner. In general, the use of the minimum dose sufficient to provide effective therapy is preferred. Patients may generally be monitored for therapeutic effectiveness using medical or veterinary criteria suitable for the condition being treated or prevented.
  • Dosage levels of the order of from about 0.1 mg to about 140 mg per kilogram of body weight per day are useful in the treatment or preventions of conditions involving pathogenic C5a activity (about 0.5 mg to about 7 g per human patient per day).
  • Dosage unit forms will generally contain between from about 1 mg to about 500 mg of Compound 1. In some embodiments, the dosage unit form comprises 10 mg of Compound 1.
  • sufficient amount of Compound 1 be administered to achieve a serum concentration of 5 ng (nanograms)/mL-10 ⁇ g (micrograms)/mL serum, more preferably sufficient Compound 1 to achieve a serum concentration of 20 ng-1 ⁇ g/ml serum should be administered, most preferably sufficient Compound 1 to achieve a serum concentration of 50 ng/m1-200 ng/ml serum should be administered.
  • the present disclosure includes pharmaceutical dosage forms of Compound 1 as a free base, in its neutral form.
  • the dosage forms described herein are solid solution capsules for oral administration to a subject.
  • the solid solution capsules can comprise about 1 to 2.8% of compound 1 by weight of the total fill wait of said solution capsule.
  • the total fill weight of said solid solution capsule is about 130 mg to about 900 mg.
  • single unit dosage capsules can include 1.3 mg to 25.2 mg of Compound 1 as a free base, in its neutral form.
  • the present disclosure provides a single unit dosage capsule comprising about 2.6 mg to 25.2 mg of Compound 1 as a free base, in its neutral form
  • HLB hydrophilic-lipophilic balance
  • At least one water-soluble solubilizer having a melting point at or above 37° C.
  • the solid solution capsules comprise about 2% of compound 1 by weight of the total fill wait of said solution capsule. In some embodiments, the total fill weight of said solid solution capsule is about 130 mg to about 900 mg. In such embodiments, single unit dosage capsules can include 2.6 mg to 18 mg of Compound 1 as a free base, in its neutral form. In some embodiments, single unit dosage capsules can include 10 mg of Compound 1 as a free base, in its neutral form.
  • the total fill weight of the single unit dosage capsule is about 100 mg to about 1,000 mg. In some embodiments, the total fill weight of the single unit dosage capsule is about 130 mg to about 900 mg. In some embodiments, the total fill weight of the single unit dosage capsule is about 250 mg to about 750 mg. In some embodiments, the total fill weight of the single unit dosage capsule is about 500 mg.
  • the single unit dosage capsule is size #00, #1, #2, #3, #4, or #5. In some embodiments, the single unit dosage capsule is size #0. In some embodiments, the single unit dosage capsule is size #00. In some embodiments, the single unit dosage capsule is size #1. In some embodiments, the single unit capsule is size #2. In some embodiments, the single unit dosage capsule is size #3. In some embodiments, the single unit dosage capsule is size #4. In some embodiments, the single unit dosage capsule is size #5.
  • the capsule dosage form is a hard capsule. In some embodiments, the capsule dosage form is a soft capsule.
  • the total weight of the vehicle comprises a 30:70 to 65:35 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is between 30:70 and 65:35.
  • the total weight of the vehicle comprises a 35:65 to 65:35 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 is from 35:65 to 65:35.
  • the total weight of the vehicle comprises a 45:55 to 55:45 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is from 45:55 to 55:45.
  • the total weight of the vehicle comprises about a 50:50 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 50:50.
  • the total weight of the vehicle comprises about a 40:60 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 40:60.
  • the total weight of the vehicle comprises about a 30:70 ratio of at least one non-ionic surfactant having an HLB value of at least 10 and at least one water-soluble solubilizer having a melting point at or above 37° C.
  • the ratio of macrogol-40-glycerol hydroxystearate to polyethylene glycol 4000 (PEG-4000) is 30:70.
  • kits comprising a solid solution capsule comprising Compound 1 as described herein.
  • kits comprising a solid solution capsule comprising Compound 1 as described herein.
  • provided herein are one or more unit dosage capsules described herein.
  • kits described herein include a label describing a method of administering a solid solution capsule comprising Compound 1. Some of the kits described herein include a label describing a method of treating a disease or disorder involving pathologic activation of C5a receptors. In some embodiments, the kits described herein include a label describing a method of treating ANCA-associated vasculitis.
  • the solid solution capsule comprising Compound 1 of the present disclosure can be packaged in a bottle, jar, vial, ampoule, tube, blister pack, or other container-closure system approved by the Food and Drug Administration (FDA) or other regulatory body, which may provide one or more unit dosages containing solid solution capsules comprising Compound 1 or a phamectucially acceptable salt thereof.
  • the solid solution capsule comprising Compound 1 is packaged ina bottle.
  • the package or dispenser may also be accompanied by a notice associated with the container in a form prescribed by a governmental agency regulating the manufacture, use, or sale of pharmaceuticals, the notice indicating approval by the agency.
  • the kit may include a solid solution capsule comprising Compound 1 as described herein, a container closure system including the formulation or one or more dosage units form including the formulation, and a notice or instructions describing a method of use as described herein.
  • Compound 1 free base has very poor aqueous solubility across full spectrum of pH range, including the biorelevant media and water (no salt effect).
  • Liquid formulations of PEG400/EtOH and Compound 1 can be preapred using general methods for making liquid formulations known in the art. For example, Compound 1 was dissolved in EtOH with agitation and ambient temperature, then the desired amount of PEG400 was added to achieve the desired ratios.
  • formulations with ethanol can introduce dosing inaccuracy and undissolved drugs due to evaporation of the ethanol during both dose preparation and storage. As such, formulations with ethanol do not provide the needed attributes.
  • liquid formulations of the present example are prepared as described in Example 2. When additional excipients are included, they are added after dissolution of Compound 1 in ethanol.
  • PEG400/EtOH/Solutol HS 15 20.0 Precipitate forms in cranberry juice. (70/25/5 v/v) PEG400/EtOH/Solutol HS 15 20.4 Slow to precipitate with addition to cranberry juice.
  • PEG400/EtOH/Cremophor EL Prepared A translucent solution. (70/25/5 v/v) 20 mg/mL formulation PEG400/EtOH/Cremophor EL Prepared Initial solution containing Cremophor EL was (70/20/10 v/v) 20 mg/mL translucent; solution became clear upon adding of formulation cranberry juice. Observation under microscope shows no undissolved API particles, appearance similar to placebo vehicles. PEG400/EtOH/Transcutol P Prepared Initial solution containing Cremophor EL was (50/40/10 v/v) 20 mg/mL translucent; solution became clear upon adding of formulation cranberry juice. Observation under microscope shows no undissolved API particles, appearance similar to placebo vehicles.
  • Example 4 Preparing Solid Solution Capsules Comprising Compound 1 in a 50:50 Mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000
  • Compound 1 solid solution capsules utilized a traditional pharmaceutical oral dosage form equipment suitable for filling hard gelatin capsules.
  • the capsule fill mass is a standard heated stainless steel vessel with agitator/homogenizer.
  • a centrifuge test was performed. From the vessel a sample was taken, centrifuged and controlled for absence of undissolved drug substance. If the drug substance is not fully dissolved, white particles are visible at the tip of the centrifuge tube.
  • Solid solution 10 mg capsules of Compound 1 are prepared with the components summarized in Table 5.
  • composition of the Gelatin Capsule Shell and Gelatin sealing solution are described in Table 6 and Table 7, respectively.
  • each of the prepared formulations were characterized using differential scanning calorimetry (DSC).
  • DSC differential scanning calorimetry
  • Formulations comprising macrogol-40-glycerol hydroxystearate:PEG-4000 at 50:50 & 30:70 appear to have one broad endothermic peak in the DSC thermograms, implying one miscible solid phase (see, FIG. 3 and FIG. 4 , respectively).
  • formulations comprising macrogol-40-glycerol hydroxystearate:PEG-4000 formulations having 90:10 & 70:30 show two separate endothermic peaks in the DSC thermograms, indicating potential phase separation (see, FIG. 5 and data not show).
  • Solid Solution capsules of Compound 1 comprising 30:70, and 50:50 (w/w) macrogol-40-glycerol hydroxystearate:PEG-4000 were prepared as described in Example 4.
  • the USP Apparatus II (paddles) with 900 mL media volume at 37.0 ⁇ 0.5° C. was selected for the dissolution development studies. Vessels are 1000 mL, clear glass, round-bottom. Media represents physiologic conditions. Paddles with sinkers were selected over baskets to ensure sufficient agitation during the dissolution test and to maintain the capsule in the paddle agitation zone during disintegration.
  • FIG. 6 plots the dissolution of each sample tested.
  • the 50:50 macrogol-40-glycerol hydroxystearate:PEG-4000 sample demonstrated rapid dissolution, while the 30:70 macrogol-40-glycerol hydroxystearate:PEG-4000 sample demonstrated slower initial dissolution characteristics.
  • FIG. 7 demonstrates that fast, reproducible release of Compound 1 is achieved.
  • Example 7 Forced Degradation of Solid Solution Capsule Comprising Compound 1 in a 50:50 Mixture of Macrogol-40-Glycerol Hydroxystearate:PEG-4000
  • Solid Solution capsules of Compound 1 comprising 50:50 macrogol-40-glycerol hydroxystearate:PEG-4000 or 100% macrogol-40-glycerol hydroxystearate were prepared using the general procedures described in Example 4. The PEG heating steps were omitted for the 100% macrogol-40 glycerol hydroxystearate formulations. These formulations were dosed in beagle dogs (male) at 20 mg per dog to evaluate the pharmacokinetic profile. The results are summarized in Table 11 (below, and shown in FIG. 8 (50:50 macrogol-40-glycerol hydroxystearate:PEG-4000 and FIG. 9 (100% macrogol-40-glycerol hydroxystearate).
  • the 100% macrogol-40-glycerol hydroxystearate formulation provided high bioavailability (as determined by AUC comparison)
  • the 100% macrogol-40-glycerol hydroxystearate formulation is not as stable.
  • both formulations dosed in dogs were stored for 3 months at 50° C.
  • the 100% macrogol-40-glycerol hydroxystearate formulation showed an increase in an impurity (RRT 0.78), whereas the 50:50 macrogol-40-glycerol hydroxystearate formulation:PEG-4000 formulation remained unchanged. This demonstrates that the 100% macrogol-40-glycerol hydroxystearate formulation is not suitable for pharmaceutical use, while the 50:50 formulation is suitable for pharmaceutical use.
  • Solid Solution capsules of Compound 1 comprising 50:50 macrogol-40-glycerol hydroxystearate:PEG-4000 were prepared using the general procedures described in Example 4.
  • prednisone for 84 days plus a reduced starting dose (i.e., 20 mg/day) of prednisone, and 23 subjects received Compound 1 as described above—matching placebo b.i.d. for 84 days plus a full starting dose of prednisone (i.e., 60 mg/day). All subjects received IV cyclophosphamide or rituximab.
  • T max was untransformed.
  • geometric least-squares means LSMs
  • LSMs geometric least-squares means
  • T max is presented as the untransformed LSM.
  • Geometric least-squares means LSMs
  • GMR Geometric Mean Ratio
  • the capsule fill of select capsules were removed from capsule shells and analyzed using 19 F solid state nuclear magnetic resonance (SS-NMR). As shown in FIG. 11 , no coupling phenomena of the trifluoromethyl (-—F 3 ) and aryl fluoride (CF) groups in the ⁇ 62 ppm or at ⁇ 122 ppm regions respectively is observed, which are characteristic of crystalline Compound 1 drug substance. Thus, the drug substance in the capsule fill matrix remained molecularly dissolved in the matrix without any signs of crashing out.
  • SS-NMR solid state nuclear magnetic resonance
  • Example 4 Using the general procedures outlined in Example 4, a batch size manufacturing 300,000 units of 10 mg hard capsules was prepared. Amounts used for preparation are shown in Table 14 and Table 15.

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US11951214B2 (en) 2018-11-30 2024-04-09 Chemocentryx, Inc. Capsule formulations

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WO2023225533A1 (en) * 2022-05-19 2023-11-23 Dow Global Technologies Llc Use of peg-based interpolymer complexes for improved solubilization of bcs class ii drugs

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