Classifications

• • 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
  • A61K47/38—Cellulose; Derivatives thereof
• • 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
  • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
  • A61K31/42—Oxazoles
  • A61K31/422—Oxazoles not condensed and containing further heterocyclic rings
• • 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
  • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
  • A61K31/4192—1,2,3-Triazoles
• • 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
  • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
  • A61K31/42—Oxazoles
  • A61K31/421—1,3-Oxazoles, e.g. pemoline, trimethadione
• • 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
  • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
• • 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
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2004—Excipients; Inactive ingredients
  • A61K9/2009—Inorganic compounds
• • 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
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2004—Excipients; Inactive ingredients
  • A61K9/2013—Organic compounds, e.g. phospholipids, fats
• • 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
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2004—Excipients; Inactive ingredients
  • A61K9/2013—Organic compounds, e.g. phospholipids, fats
  • A61K9/2018—Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates
• • 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
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2004—Excipients; Inactive ingredients
  • A61K9/2022—Organic macromolecular compounds
  • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
  • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
• • 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
  • A61K9/20—Pills, tablets, discs, rods
  • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
  • A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
  • A61P31/04—Antibacterial agents

Definitions

• the present invention relates to pharmaceutical compositions useful for administration for treating, preventing, or reducing the risk of microbial infections.
• An appropriate pharmaceutical carrier system is generally a requirement for the safe and effective delivery of a pharmaceutical active.
• the entire pharmaceutical composition i.e. the pharmaceutical drug active formulated in a pharmaceutical carrier, can affect the bioavailability and also the pharmacokinetics and pharmacodynamics of the active. It is therefore important that a pharmaceutical composition be carefully developed and manufactured to deliver the desired pharmaceutical active in a safe and effective manner.
• antimicrobial agents for treating microbial infections can present special challenges.
• the antimicrobial agent be administered to the patient to achieve systemic concentrations in the bloodstream or target organs above a minimum inhibitory concentration (i.e. the MIC) and for a sufficient time against the particular microbial organism or organisms being targeted. Consequently, an antimicrobial agent that otherwise exhibits an effective antimicrobial profile in vitro can be ineffective, or even harmful, unless properly formulated for in vivo administration.
• the present invention relates to pharmaceutical compositions useful for administration for treating, preventing, or reducing the risk of microbial infections in a patient.
• the present invention also relates to methods for making these pharmaceutical compositions and to the use of a pharmaceutical composition in the preparation of a medicament for treating, preventing, or reducing the risk of microbial infections in a patient.
• the present invention relates to a pharmaceutical composition comprising prior to mixing;
• the present invention relates to a pharmaceutical composition
• a pharmaceutical composition comprising;
• the present invention relates to a pharmaceutical composition wherein said oxazolidinone antimicrobial agent comprises a pharmaceutically acceptable amount.
• the present invention relates to a pharmaceutical composition wherein said oxazolidinone antimicrobial agent comprises a prophylactically effective amount.
• the present invention relates to a pharmaceutical composition wherein said oxazolidinone antimicrobial agent is radezolid, linezolid, torezolid, or a pharmaceutically acceptable salt or prodrug thereof.
• the present invention relates to a pharmaceutical composition wherein said oxazolidinone antimicrobial agent is radezolid or a pharmaceutically acceptable salt thereof.
• the present invention relates to a pharmaceutical composition wherein said pharmaceutically acceptable salt is a hydrochloride salt.
• the present invention relates to a pharmaceutical composition wherein said oxazolidinone antimicrobial agent is radezolid monohydrochloride.
• the present invention relates to a pharmaceutical composition wherein said hydroxypropylmethylcellulose polymer is a hydroxypropylmethylcellulose acetate succinate, which is also known by the abbreviation HPMCAS.
• the present invention relates to a pharmaceutical composition wherein said HPMCAS is selected from HPMCAS-M, HPMCAS-H, and mixtures thereof.
• the present invention relates to a pharmaceutical composition wherein said disintegrant is croscarmellose sodium.
• the present invention relates to a pharmaceutical composition wherein said lubricant is selected from colloidal silicon dioxide, magnesium stearate, and mixtures thereof.
• the present invention relates to a pharmaceutical composition wherein said binder is microcrystalline cellulose.
• the present invention relates to a pharmaceutical composition wherein said filler is selected from lactose monohydrate, dicalciumphosphate, and mixtures thereof.
• the present invention relates to a pharmaceutical composition wherein said composition comprises a physical mixture.
• the present invention relates to a pharmaceutical composition wherein said composition comprises an amphorous dispersion of said oxazolidinone antimicrobial agent.
• the present invention relates to a method of treating a microbial infection in a patient comprising administering a pharmaceutically effective amount of a pharmaceutical composition of the present invention.
• the present invention relates to a method of preventing a microbial infection in a patient comprising administering a prophylactically effective amount of a pharmaceutical composition of the present invention.
• the present invention relates to a method of reducing the risk of a microbial infection in a patient comprising administering a prophylactically effective amount of a pharmaceutical composition of the present invention.
• the present invention relates to a pharmaceutical composition for treating a microbial infection in a patient.
• the present invention relates to a pharmaceutical composition for preventing a microbial infection in a patient.
• the present invention relates to a pharmaceutical composition for reducing the risk of a microbial infection in a patient.
• the present invention relates to the use of an antibiotic compound in the manufacture of a pharmaceutical composition according to the present invention for treating a microbial infection in a patient comprising administering a pharmaceutically effective amount of said pharmaceutical composition to said patient.
• the present invention relates to the use of an antibiotic compound in the manufacture of a pharmaceutical composition according to the present invention for preventing a microbial infection in a patient comprising administering a prophylactically effective amount of said pharmaceutical composition to said patient.
• the present invention relates to the use of an antibiotic compound in the manufacture of a pharmaceutical composition according to the present invention for reducing the risk of a microbial infection in a patient comprising administering a prophylactically effective amount of said pharmaceutical composition to said patient.
• the present invention relates to a method, composition, or use of the present invention wherein said patient is a human or an animal.
• the present invention relates to a method, composition, or use wherein said patient is a human.
• the present invention relates to pharmaceutical compositions useful for administration to a patient for treating, preventing, or reducing the risk of microbial infections.
• These compositions comprise an oxazolidinone antimicrobial agent, a buffer, a pH modifier, and a solvent.
• carrier or “carrier system” means one or more compatible substances that are suitable for delivering, containing, or “carrying” a pharmaceutical active ingredient for administration to a patient or subject.
• patient or “subject”, as used herein, mean a human or an animal.
• animals include domesticated animals, nonlimiting examples of which include household companion animals such as cats and dogs, food animals such as cattle, sheep, goats, pigs, poultry, fish, and shellfish, zoo and other exhibition animals, and work and other animals such horses, llamas, rabbits, etc.
• an effective amount refers to an amount of a pharmaceutical active compound, or a combination of compounds, for example an antimicrobial agent or agents, when administered alone or in combination, to treat, prevent, or reduce the risk of a disease state or condition, for example a microbial infection.
• the term also refers to an amount of a pharmaceutical composition containing an active compound or combination of compounds.
• an effective amount refers to an amount of the compound present in a formulation given to a recipient patient or subject sufficient to elicit biological activity, for example, anti-infective activity, such as e.g., anti-microbial activity or anti-bacterial activity.
• the phrase “pharmaceutically acceptable” refers to those active compounds, materials, compositions, carriers, and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beings and animals without excessive toxicity, irritation, allergic response, or other problems or complications, commensurate with a reasonable benefit/risk ratio.
• the term “pharmaceutically effective amount” refers to an amount of a pharmaceutical active compound, or a combination of compounds, for example an antimicrobial agent or agents, when administered alone or in combination, to treat, prevent, or reduce the risk of a disease state or condition, for example a microbial infection.
• the term also refers to an amount of a pharmaceutical composition containing an active compound or combination of compounds.
• a pharmaceutically effective amount refers to an amount of the pharmaceutical active present in a pharmaceutical composition or formulation of the present invention or on a medical device containing a composition or formulation of the present invention given to a recipient patient or subject sufficient to elicit biological activity, for example, activity against a microbial infection.
• prophylactically effective amount means an effective amount of a pharmaceutical active compound, or a combination of compounds, for example an antimicrobial agent or agents, when administered alone or in combination, to prevent, or reduce the risk of a disease state or condition, for example a microbial infection—in other words, an amount to give a preventative or prophylactic effect.
• the term also refers to an amount of a pharmaceutical composition containing an active compound or combination of compounds.
• treating means to cure an already present disease state or condition, e.g. a microbial infection in a patient or subject. Treating can also include inhibiting, i.e. arresting the development of a disease state or condition, e.g. a microbial infection, and relieving or ameliorating, i.e. causing regression of the disease state or condition, e.g. a microbial infection.
• preventing means, to completely or almost completely stop a disease state or condition, e.g. a microbial infection, from occurring in a patient or subject, especially when the patient or subject is predisposed to such or at risk of contracting a disease state or condition, e.g., a microbial infection.
• Preventing can also include inhibiting, i.e. arresting the development, of a disease state or condition, e.g., a microbial infection.
• reducing the risk of means to lower the likelihood or probability of a disease state or condition, e.g., a microbial infection, from occurring in a patient or subject, especially when the patient or subject is predisposed to such or at risk of contracting a disease state or condition, e.g., a microbial infection.
• a disease state or condition e.g., a microbial infection
• pharmaceutically acceptable salts refer to derivatives of the pharmaceutical active compounds wherein the parent compound is modified by making acid or base salts thereof.
• pharmaceutically acceptable salts include, but are not limited to, mineral or organic acid salts of basic residues such as amines, alkali or organic salts of acidic residues such as carboxylic acids, and the like.
• the pharmaceutically acceptable salts include the conventional non-toxic salts or the quaternary ammonium salts of the parent compound formed, for example, from non-toxic inorganic or organic acids.
• such conventional non-toxic salts include, but are not limited to, those derived from inorganic and organic acids selected from 2-acetoxybenzoic, 2-hydroxyethane sulfonic, acetic, ascorbic, benzene sulfonic, benzoic, bicarbonic, carbonic, citric, edetic, ethane disulfonic, ethane sulfonic, fumaric, glucoheptonic, gluconic, glutamic, glycolic, glycollyarsanilic, hexylresorcinic, hydrabamic, hydrobromic, hydrochloric, hydroiodic, hydroxymaleic, hydroxynaphthoic, isethionic, lactic, lactobionic, lauryl sulfonic, maleic, malic, mandelic, methane sulfonic, napsylic, nitric, oxalic, pamoic, pantothenic, phenylacetic, phosphoric
• the pharmaceutically acceptable salts of the present invention can be synthesized from a parent compound that contains a basic or acidic moiety by conventional chemical methods.
• such salts can be prepared by reacting the free acid or base forms of these compounds with a stoichiometric amount of the appropriate base or acid in water or in an organic solvent, or in a mixture of the two; generally, non-aqueous media like ether, ethyl acetate, ethanol, isopropanol, or acetonitrile are preferred. Lists of suitable salts are found in Remington's Pharmaceutical Sciences, 18th ed.
• salts can include, but are not limited to, the hydrochloride and acetate salts of the aliphatic amine-containing, hydroxyl amine-containing, and imine-containing compounds of the present invention.
• the compounds of the present invention can exist in either hydrated or unhydrated (the anhydrous) form or as solvates with other solvent molecules.
• hydrates include monohydrates, dihydrates, etc.
• solvates include ethanol solvates, acetone solvates, etc.
• the compounds of the present invention can also be prepared as esters, for example pharmaceutically acceptable esters.
• a carboxylic acid function group in a compound can be converted to its corresponding ester, e.g., a methyl, ethyl, or other ester.
• an alcohol group in a compound can be converted to its corresponding ester, e.g., an acetate, propionate, or other ester.
• the compounds of the present invention can also be prepared as prodrugs, for example pharmaceutically acceptable prodrugs. Since prodrugs are known to enhance numerous desirable qualities of pharmaceuticals (e.g., solubility, bioavailability, manufacturing, etc.) the compounds of the present invention can be delivered in prodrug form. Thus, the present invention is intended to cover prodrugs of the presently claimed compounds, methods of delivering the same and compositions containing the same. “Prodrugs” are intended to include any covalently bonded carriers that release an active parent drug of the present invention in vivo when such prodrug is administered to a mammalian subject.
• Prodrugs the present invention are prepared by modifying functional groups present in the compound in such a way that the modifications are cleaved, either in routine manipulation or in vivo, to the parent compound.
• Prodrugs include compounds of the present invention wherein a hydroxy, amino, or sulfhydryl group is bonded to any group that, when the prodrug of the present invention is administered to a mammalian subject, cleaves to form a free hydroxyl, free amino, or free sulfhydryl group, respectively.
• Examples of prodrugs include, but are not limited to, acetate, formate, and benzoate derivatives of alcohol and amine functional groups in the compounds of the present invention.
• compositions are described as having, including, or comprising specific components, it is contemplated that compositions also consist essentially of, or consist of, the recited components.
• methods or processes are described as having, including, or comprising specific process steps, the processes also consist essentially of, or consist of, the recited processing steps.
• steps or order for performing certain actions is immaterial so long as the invention remains operable.
• two or more steps or actions can be conducted simultaneously.
• the invention relates to a method of treating a microbial infection in a patient comprising administering a pharmaceutically effective amount of a pharmaceutical composition.
• the invention relates to a method of preventing a microbial infection in a patient comprising administering a prophylactically effective amount of a pharmaceutical composition.
• the invention relates to a method of reducing the risk of a microbial infection in a patient comprising administering a prophylactically effective amount of a pharmaceutical composition.
• the invention relates to a pharmaceutical composition for treating a microbial infection in a patient.
• the invention relates to a pharmaceutical composition for preventing a microbial infection in a patient.
• the invention relates to a pharmaceutical composition for reducing the risk of a microbial infection in a patient.
• the invention relates to the use of an antibiotic compound in the manufacture of a pharmaceutical composition for treating a microbial infection in a patient comprising administering a pharmaceutically effective amount of said pharmaceutical composition to said patient.
• the invention relates to the use of an antibiotic compound in the manufacture of a pharmaceutical composition for preventing a microbial infection in a patient comprising administering a prophylactically effective amount of said pharmaceutical composition to said patient.
• the invention relates to the use of an antibiotic compound in the manufacture of a pharmaceutical composition for reducing the risk of a microbial infection in a patient comprising administering a prophylactically effective amount of said pharmaceutical composition to said patient.
• the invention relates to a method, composition, or use wherein said patient is a human or an. In one embodiment, the invention relates to a method, composition, or use wherein said patient is a human.
• compositions of the present invention comprise the following essential and optional components.
• Oxazolidinone antimicrobial agents and their pharmaceutically acceptable salts, esters, and prodrugs thereof, can be used in the methods, compositions, and uses of the present invention.
• Oxazolidinone antimicrobial agents are described in U.S. Pat. No. 7,456,206 B2, to Lou et al., issued Nov. 25, 2008; U.S. Pat. No. 7,148,219 B2, to Lou et al., issued Dec. 12, 2006, and its certification of correction of Mar. 4, 2008; U.S. Pat. No. 7,129,259 B2, to Chen et al., issued Oct. 31, 2006, and its certificate of correction of Mar. 6, 2007; U.S. Pat. No. 6,969,726 B2, to Lou et al., issued Nov. 29, 2005, and its certificates of correction of Feb. 27, 2007 and Nov. 27, 2007; U.S. Pat. No.
• Nonlimiting examples of oxazolidione antimicrobial agents useful herein include the following compound:
• salts include the hydrochloride salt.
• a further example of a salt is the monohydrochloride salt.
• the foregoing compound corresponds to the chemical name, inter alia, N-[3-(2-Fluoro-4′- ⁇ [(3H-[1,2,3]triazol-4-ylmethyl)-amino]-methyl ⁇ -biphenyl-4-yl)-2-oxo-oxazolidin-5-(S)-ylmethyl]-acetamide.
• This compound is also known by the USAN, radezolid, and corresponds to the CAS registry number 869884-78-6.
• the monohydrochloride salt is known by the USAN, radezolid hydrochloride, and to the CAS registry number 869884-77-5.
• oxazolidione antimicrobial agents useful herein include linezolid and torezolid.
• the dose of the oxazolidinone antimicrobial agent and mode of administration of the pharmaceutical composition will depend upon the intended patient or subject and the targeted microorganism, e.g., the target bacterial organism.
• the oxazolidinone antimicrobial agent is used in a weight percentage in the composition to provide the desired pharmacological properties, such as e.g. drug bioavailability from the final composition.
• Weight percentages of the oxazolidinone antimicrobial agent range from about 0.01% to about 5%. In further embodiments, weight percentages range from about 0.1% to about 0.5%. In further embodiments, weight percentages range from about 0.25% to about 0.40%.
• compositions of the present invention comprise a hydroxypropylmethylcellulose polymer.
• hydroxypropylmethylcellulose polymers include hydroxypropylmethylcellulose acetate succinate polymer, abbreviated as HPMCAS.
• HPMCAS hydroxypropylmethylcellulose acetate succinate polymer
• compositions of the present invention comprise a disintegrant.
• a disintegrant is corscarmellose sodium.
• compositions of the present invention comprise a lubricant.
• lubricants include magnesium stearate, colloidal silicon dioxide, and mixtures thereof
• compositions of the present invention comprise a binder.
• a binder is microcrystalline cellulose.
• compositions of the present invention comprise a filler.
• fillers include lactose monohydrate, dicalcium phosphate, and mixtures thereof.
• compositions of the present invention can further comprise one or more additional components selected from a wide variety of excipients known in the pharmaceutical formulation art.
• additional components selected from a wide variety of excipients known in the pharmaceutical formulation art.
• any number of ingredients can be selected, alone or in combination, based upon their known uses in preparing the compositions of the present invention.
• Such ingredients include, but are not limited to, water; nonaqueous solvents (e.g.
• ethanol e.g., ethanol
• coatings e.g., capsule shells; colorants; waxes, gelatin; flavorings; preservatives (e.g., methyl paraben, sodium benzoate, and potassium benzoate); antioxidants [e.g., butylated hydroxyanisole (“BHA”), butylated hydroxytoluene (“BHT”), and vitamin E and vitamin E esters such as tocopherol acetate]; flavor enhancers; sweeteners (e.g., aspartame and saccharin); compression aids; surfactants, etc.
• BHA butylated hydroxyanisole
• BHT butylated hydroxytoluene
• vitamin E and vitamin E esters such as tocopherol acetate
• sweeteners e.g., aspartame and saccharin
• compression aids e.g., surfactants, etc.
• Useful carriers and compositions for administration can be prepared by any of the methods well known in the pharmaceutical art, described, for example, in Eds. R. C. Rowe, et al., Handbook of Pharmaceutical Excipients, Fifth Edition, Pharmaceutical Press (2006), Remington's Pharmaceutical Sciences, 18th ed. (Mack Publishing Company, 1990), Remington: The Science and Practice of Pharmacy, 20th Edition, Baltimore, Md.: Lippincott Williams & Wilkins, 2000, and L. Lachman, H. A. Lieberman, J. L. Kanig (1986). The Theory and Practice of Industrial Pharmacy (3 rd Ed .). Lea & Febiger, Philadelphia, which are incorporated by reference herein in their entirety.
• the present invention also provides a method of treating, preventing, or reducing the risk of a microbial infection in a patient or subject. These methods comprise administering a pharmaceutically or prophylactically effective amount of the pharmaceutical actives of the present invention as a pharmaceutical composition or formulation from the carriers of the present invention to a patient or subject at an appropriate dosage.
• the blood and or tissue level in the patient or subject of the compound be of an appropriate level for a sufficient time interval.
• the antimicrobial agent be administered to the patient to achieve systemic concentrations in the bloodstream or target organs above a minimum inhibitory concentration (i.e. the MIC) and for a sufficient time against the particular microbial organism or organisms being targeted.
• compositions of the present invention are useful for treating, preventing, or reducing the risk of a disorder such as a microbial infection in a patient or subject, e.g., a human, or a nonhuman mammal or other animal. This comprises the step or steps of administering a pharmaceutically effective or prophylactically effective amount of a composition of the present invention.
• Microbial infections or treatments include, inter alia, those selected from the group consisting of a skin infection, pneumonia (both nosocomial and community acquired pneumonia), post-viral pneumonia, an abdominal infection, a urinary tract infection, bacteremia, septicemia, endocarditis, an atrio-ventricular shunt infection, a vascular access infection, meningitis, surgical prophylaxis, a peritoneal infection, a bone infection, a joint infection, a methicillin-resistant Staphylococcus aureus infection, a vancomycin-resistant Enterococci infection, a linezolid-resistant organism infection, and tuberculosis.
• pharmacogenomics i.e., the study of the relationship between an individual's genotype and that individual's response to a foreign compound or drug
• Differences in metabolism of therapeutics can lead to severe toxicity or therapeutic failure by altering the relation between dose and blood concentration of the pharmacologically active drug.
• a physician or clinician can consider applying knowledge obtained in relevant pharmacogenomics studies in determining whether to administer a drug as well as tailoring the dosage and/or therapeutic regimen of treatment with the drug.
• an effective amount of dosage of the pharmaceutical active will be in the range of from about 0.1 to about 100 mg/kg of body weight/day, more preferably from about 1.0 to about 50 mg/kg of body weight/day.
• the amount administered will also likely depend on such variables as the disease or condition that one is intending to treat, prevent, or reduce the risk of, the overall health status of the patient, the relative biological efficacy of the parent compound delivered from the hydrogen sulfate salt, the formulation, the presence and types of excipients in the formulation, and the route of administration.
• the initial dosage administered can be increased beyond the above upper level in order to rapidly achieve the desired blood-level or tissue level, or the initial dosage can be smaller than the optimum.

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