(12) Patent Application Publication (10) Pub. No.: US 2015/0328244 A1 Eagle Et Al
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US 2015 0328244A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2015/0328244 A1 Eagle et al. (43) Pub. Date: Nov. 19, 2015 (54) METHODS FOR TREATING PULMONARY A6II 45/06 (2006.01) NON-TUBERCULOUS MYCOBACTERIAL A 6LX 9/27 (2006.01) INFECTIONS (52) U.S. Cl. CPC ............. A6 IK3I/7036 (2013.01); A61K 9/127 (71) Applicant: Insmed Incorporated, Bridgewater, NJ (2013.01); A61 K9/0078 (2013.01); A61 K (US) 45/06 (2013.01) (72) Inventors: Gina Eagle, Morristown, NJ (US); Renu (57) ABSTRACT Gupta, Moorestown, NJ (US) Provided herein are methods for treating a pulmonary infec (21) Appl. No.: 14/713,926 tion in a patient in need thereof, for example, a nontubercu lous mycobacterial pulmonary infection for at least one treat (22) Filed: May 15, 2015 ment cycle. The method comprises administering to the lungs of the patient a pharmaceutical composition comprising a Related U.S. Application Data liposomal complexed aminoglycoside comprising a lipid (60) Provisional application No. 61/993,439, filed on May component comprising electrically neutral lipids and an ami 15, 2014, provisional application No. 62/042,126, noglycoside. Administration comprises aerosolizing the filed on Aug. 26, 2014, provisional application No. pharmaceutical composition to provide an aerosolized phar 62/048,068, filed on Sep. 9, 2014, provisional applica maceutical composition comprising a mixture of free ami tion No. 62/056.296, filed on Sep. 26, 2014. noglycoside and liposomal complexed aminoglycoside, and administering the aerosolized pharmaceutical composition Publication Classification via a nebulizer to the lungs of the patient. The methods pro vided herein result in a change from baseline on the semi (51) Int. C. quantitative scale for mycobacterial culture for a treated A6 IK3I/7036 (2006.01) patient, and/or NTM culture conversion to negative during or A6 IK9/00 (2006.01) after the administration period. 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In one embodiment, the NTM infection is a pulmo NON-TUBERCULOUS MYCOBACTERIAL nary NTM infection selected from an M. avium, M. avium INFECTIONS subsp. hominissuis (MAH), M. abscessus, M. chelonae, M. bolletii, M. kansasii, M. ulcerans, M. avium, M. avium com plex (MAC) (M. avium and M. intracellulare), M. Con CROSS REFERENCE TO RELATED spicuum, M. kansasii, M. peregrinum, M. immunogenium, M. APPLICATIONS xenopi, M. marinum, M. malmoense, M. marinum, M. muco 0001. This application claims priority from U.S. Provi genicum, M. nonchromogenicum, M. Scrofulaceum, M. simiae, M. Smegmatis, M. Szulgai, M. terrae, M. terrae com sional Application Ser. Nos. 61/993,439, filed May 15, 2014: plex, M. haemophilum, M.genavense, M. gordonae, M. ulcer 62/042,126, filed Aug. 26, 2014; 62/048,068, filed Sep. 9, ans, M. fortuitum, M. fortuitum complex (M. fortuitum and M. 2014; and 62/056.296, filed Sep. 26, 2014, the disclosures of chelonae) infection or a combination thereof. In a further each of which are incorporated by reference in their entireties embodiment, the NTM infection is an M. avium complex for all purposes. (MAC) (M. avium and M. intracellulare) infection. In one embodiment, the NTM infection is a pulmonary recalcitrant BACKGROUND OF THE INVENTION NTM infection. 0009. In one embodiment, the composition comprising the 0002 Certain technologies suitable for administration by liposomal complexed aminoglycoside is a dispersion (e.g., a inhalation employ liposomes and lipid complexes Supply a liposomal solution or Suspension). The liposomal portion of prolonged therapeutic effect of drug in the lung. These tech the composition comprises a lipid component that includes nologies also provide the drug with Sustained activities, and electrically neutral lipids. In a further embodiment, the elec the ability to target and enhance the uptake of the drug into trically neutral lipids comprise a phosphatidylcholine and a sites of disease. sterol (e.g., dipalmitoylphosphatidylcholine and cholesterol). 0003. Inhalation delivery of liposomes is complicated by In a further embodiment, the aminoglycoside is amikacin or a their sensitivity to shear-induced stress during nebulization, pharmaceutically acceptable salt thereof. In even a further which can lead to change in physical characteristics (e.g., embodiment, the aminoglycoside is amikacin Sulfate. entrapment, size). However, as long as the changes in char 0010. In one embodiment, the method for treating or pro acteristics are reproducible and meet acceptability criteria, viding prophylaxis against an NTM infection comprises they need not be prohibitive to pharmaceutical development. administering an aerosolized pharmaceutical composition to 0004 Pulmonary infection with non-tuberculous myco the lungs of the patient in need thereof; wherein the aero bacterium (NTM) in the susceptible host can lead to poten solized pharmaceutical composition comprises a mixture of tially severe morbidity and even mortality among those free aminoglycoside and liposomal complexed aminoglyco affected. As infection rates are rising, pulmonary nontuber side, and the lipid component of the liposome consists of electrically neutral lipids. In a further embodiment, the elec culous mycobacterial disease (PNTM) represents an emerg trically neutral lipids comprise a phosphatidylcholine and a ing public health concern in the United States. NTM are sterol (e.g., dipalmitoylphosphatidylcholine and cholesterol). ubiquitous in the environment. Over 80% of pulmonary NTM In a further embodiment, the aminoglycoside is amikacin or a (PNTM) infections in the US are due to Mycobacterium pharmaceutically acceptable salt thereof. In even a further avium complex (MAC). In addition, M. Kansasii, M. absces embodiment, the aminoglycoside is amikacin Sulfate. sus, and M. fortuitum are regularly isolated. 0011. The methods provided herein result in a change 0005. The prevalence of pulmonary NTM infections in the from baseline on the semi-quantitative scale for mycobacte United States has more than doubled in the last 15 years. The rial culture for a treated patient, and/or NTM culture conver ATS/IDSA PNTM reported 2-year period prevalence of pull sion to negative during or after the administration period. For monary NTM infections is 8.6/100,000 persons. The preva example, in one embodiment, the method provided herein lence of pulmonary NTM infections increases with age with results in the patient having an NTM culture conversion to 20.4/100,000 in those at least 50 years of age and is especially negative after an administration period. prevalent in females (median age: 66 years; female: 59%). 0012. In one embodiment, the aminoglycoside or pharma 0006. In the susceptible individual, pulmonary NTM ceutically acceptable salt thereof is amikacin, apramycin, infections can be serious or life threatening. Available thera arbekacin, astromicin, capreomycin, dibekacin, framycetin, pies may be poorly tolerated, and may have significant gentamicin, hygromycin B, isepamicin, kanamycin, neomy adverse events. The present invention addresses this and other cin, netilmicin, paromomycin, rhodestreptomycin, ribosta needs by providing methods for treating pulmonary NTM mycin, Sisomicin, spectinomycin, Streptomycin, tobramycin, infections in patients in need thereof. Verdamicin, a pharmaceutically acceptable salt thereof, or a combination thereof. In even a further embodiment, the ami SUMMARY OF THE INVENTION noglycoside is amikacin. In another embodiment, the ami noglycoside is selected from an aminoglycoside set forth in 0007. The present invention, in one aspect, provides meth Table 1, below, a pharmaceutically acceptable salt thereof, or ods for treating or providing prophylaxis against a nontuber a combination thereof. culous mycobacterial (NTM) infection (pulmonary infection caused or due to one or more nontuberculous mycobacteria), TABLE 1 via inhalation administration of an effective amount of a composition comprising a liposomal complexed aminogly Aminoglycosides for use with the present invention coside, or a pharmaceutically acceptable salt thereof, to a AC4437 dibekacin K-4619 Sisomicin patient in need thereof. The patient in need of treatment, in amikacin dactimicin isepamicin rhodestreptomycin one embodiment, is a cystic fibrosis patient, a bronchiectasis apramycin etimicin KA-5685 sorbistin patient, suffers from asthma or suffers from chronic obstruc arbekacin framycetin kanamycin spectinomycin tive pulmonary disorder (COPD). US 2015/0328244 A1 Nov. 19, 2015 TABLE 1-continued a further embodiment, the amikacin is amikacin Sulfate.