Methods of treating pulmonary disorders with liposomal amikacin formulations
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-009/127
A61K-031/7036
A61K-009/00
A61K-031/375
A61K-031/70
출원번호
US-0638548
(2017-06-30)
등록번호
US-10064882
(2018-09-04)
발명자
/ 주소
Gupta, Renu
출원인 / 주소
INSMED INCORPORATED
대리인 / 주소
Cooley LLP
인용정보
피인용 횟수 :
2인용 특허 :
260
초록▼
Disclosed herein are methods of treating pulmonary disorders comprising administering to the patient an effective dose of a nebulized liposomal amikacin formulation for at least one treatment cycle, wherein: the treatment cycle comprises an administration period of 15 to 75 days, followed by an off
Disclosed herein are methods of treating pulmonary disorders comprising administering to the patient an effective dose of a nebulized liposomal amikacin formulation for at least one treatment cycle, wherein: the treatment cycle comprises an administration period of 15 to 75 days, followed by an off period of 15 to 75 days; and the effective dose comprises 100 to 2500 mg of amikacin daily during the administration period.
대표청구항▼
1. A method of treating a pulmonary infection associated with bronchiectasis in a patient in need thereof, comprising administering to the lungs of the patient for at least one treatment cycle, an effective dose of a nebulized liposomal amikacin formulation comprising amikacin encapsulated in a lipo
1. A method of treating a pulmonary infection associated with bronchiectasis in a patient in need thereof, comprising administering to the lungs of the patient for at least one treatment cycle, an effective dose of a nebulized liposomal amikacin formulation comprising amikacin encapsulated in a liposome wherein the lipid component of the liposome comprises a phospholipid and a sterol, wherein: the treatment cycle comprises an administration period of 15 to 75 days followed by an off period of 15 to 75 days; during which an improvement in lung function is maintained for the patient, for at least 15 days after the administration period ends,and the effective dose comprises 100 mg to 1000 mg of amikacin daily during the administration period. 2. The method of claim 1, wherein the treatment cycle is followed at least twice. 3. The method of claim 1, wherein the administration period is about 15 to 35 days or about 20 to 35 days. 4. The method of claim 1, wherein the off period is about 15 to 35 days or about 25 to 75 days. 5. The method of claim 1, wherein the effective dose is selected from the group consisting of about 280 mg to about 560 mg of amikacin, about 510 mg to about 610 mg of amikacin, and about 560 mg of amikacin. 6. The method of claim 1, wherein the pulmonary infection is a bacterial infection. 7. The method of claim 1, wherein the patient has a serum Cmax of amikacin of less than about 10 mcg/mL during the administration period. 8. The method of claim 1, wherein the patient has a sputum Cmax of amikacin of at least 1000 mcg per gram of sputum. 9. The method of claim 8, wherein the sputum Cmax of amikacin is at least 1000 mcg per gram of sputum during the administration period. 10. The method of claim 8, wherein the sputum Cmax of amikacin is at least 1000 mcg per gram of sputum for at least 15 days after the administration. 11. The method of claim 1, wherein the improvement comprises an increase in FEV1, an increase in blood oxygen saturation, or both. 12. The method of claim 11, wherein the patient has an FEV1 that is increased by at least 5% over FEV1 prior to the treatment cycle and/or has blood oxygen saturation that is increased by at least 1% over oxygen saturation prior to the treatment cycle. 13. The method of claim 1, wherein the lipid component to amikacin weight ratio is about 0.3 to about 1.0 by weight. 14. The method of claim 1, wherein the phospholipid is selected from the group consisting of egg phosphatidylcholine (EPC), egg phosphatidylglycerol (EPG), egg phosphatidylinositol (EPI), egg phosphatidylserine (EPS), phosphatidylethanolamine (EPE), phosphatidic acid (EPA), soy phosphatidyl choline (SPC), soy phosphatidylglycerol (SPG), soy phosphatidylserine (SPS), soy phosphatidylinositol (SPI), soy phosphatidylethanolamine (SPE), soy phosphatidic acid (SPA), hydrogenated egg phosphatidyl choline (HEPC), hydrogenated egg phosphatidylglycerol (HEPG), hydrogenated egg phosphatidylinositol (HEPI), hydrogenated egg phosphatidylserine (HEPS), hydrogenated phosphatidylethanolamine (HEPE), hydrogenated phosphatidic acid (HEPA), hydrogenated soy phosphatidylcholine (HSPC), hydrogenated soy phosphatidylglycerol (HSPG), hydrogenated soy phosphatidylserine (HSPS), hydrogenated soy phosphatidylinositol (HSPI), hydrogenated soy phosphatidylethanolamine (HSPE), hydrogenated soy phosphatidic acid (HSPA), dipalmitoylphosphatidylcholine (DPPC), dimyristoylphosphatidylcholine (DMPC), dimyristoylphosphatidylglycerol (DMPG), dipalmitoylphosphatidylglycerol (DPPG), distearoylphosphatidylcholine (DSPC), distearoylphosphatidylglycerol (DSPG), dioleylphosphatidylethanolamine (DOPE), palmitoylstearoylphosphatidylcholine (PSPC), palmitoylstearolphosphatidylglycerol (PSPG), mono-oleoyl-phosphatidylethanolamine (MOPE), cholesterol, ergosterol, lanosterol, tocopherol, ammonium salts of fatty acids, ammonium salts of phospholipids, ammonium salts of glycerides, myristylamine, palmitylamine, laurylamine, stearylamine, dilauroyl ethylphosphocholine (DLEP), dimyristoyl ethylphosphocholine (DMEP), dipalmitoyl ethylphosphocholine (DPEP) and distearoyl ethylphosphocholine (DSEP), N-(2, 3-di-(9-(Z)-octadecenyloxy)-prop-1-yl-N,N,N-trimethylammonium chloride (DOTMA), 1, 2-bis(oleoyloxy)-3-(trimethylammonio)propane (DOTAP), phosphatidylglycerols (PGs), phosphatidic acids (PAs), phosphatidylinositols (Pis), phosphatidyl serines (PSs), distearoylphosphatidylglycerol (DSPG), dimyristoylphosphatidylacid (DMPA), dipalmitoylphosphatidylacid (DPPA), distearoylphosphatidylacid (DSPA), dimyristoylphosphatidylinositol (DMPI), dipalmitoylphosphatidylinositol (DPPI), distearoylphospatidylinositol (DSPI), dimyristoylphosphatidylserine (DMPS), dipalmitoylphosphatidylserine (DPPS), distearoylphosphatidylserine (DSPS), and mixtures thereof. 15. The method of claim 11, wherein the phospholipid is dipalmitoylphosphatidylcholine (DPPC) and the sterol is cholesterol. 16. The method of claim 15, wherein the weight ratio of DPPC to cholesterol is 2:1. 17. The method of 1, wherein the pulmonary infection is a mycobacterial infection. 18. The method of claim 17, wherein the mycobacterial infection is a M. tuberculosis, M. avium complex (MAC) (M. avium and M. intracellulare), M. kansasii, M xenopi, M. marinum, M. ulcerans, or M. fortuitum complex (M. fortuitum and M. chelonei) infection. 19. The method of claim 1, wherein the pulmonary infection is a Pseudomonas infection. 20. The method of claim 19, wherein the Pseudomonas infection is a P. paucimobilis, P. putida, P. fluorescens, or a P. acidovorans infection.
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