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Amikacin Liposome Inhalation Suspension for Mycobacterium avium Complex Lung Disease: A 12-Month Open-Label Extension Clinical Trial.

ABSTRACT: Rationale: Patients with refractory Mycobacterium avium complex (MAC) lung disease have limited treatment options. In the CONVERT study, amikacin liposome inhalation suspension (ALIS) added to guideline-based therapy (GBT) increased culture conversion rates versus GBT alone by Month 6. Limited data are available regarding >6-month treatment in a refractory population.Objectives: Evaluate 12-month safety, tolerability, and efficacy of ALIS+GBT.Methods: Adults with refractory MAC lung disease not achieving culture conversion by CONVERT Month 6 could enroll in this open-label extension (INS-312) to receive 590 mg once-daily ALIS+GBT for 12 months. Two cohorts enrolled: the "ALIS-naive" cohort included patients randomized to GBT alone in CONVERT, and the "prior-ALIS" cohort included those randomized to ALIS+GBT in CONVERT. Safety and tolerability of ALIS over 12 months (primary endpoint) and culture conversion by Months 6 and 12 were assessed.Results: In the ALIS-naive cohort, 83.3% of patients (n = 75/90) experienced respiratory treatment-emergent adverse events (TEAEs), and 35.6% (n = 32) had serious TEAEs; 26.7% (n = 24) achieved culture conversion by Month 6 and 33.3% (n = 30) by Month 12. In the prior-ALIS cohort, 46.6% of patients (n = 34/73) experienced respiratory TEAEs, and 27.4% (n = 20) had serious TEAEs; 9.6% (n = 7) achieved culture conversion by Month 6 (≤14 mo ALIS exposure) and 13.7% (n = 10) by Month 12 (≤20 mo ALIS exposure). Nephrotoxicity-related TEAEs and measured hearing decline were infrequent in both cohorts.Conclusions: In up to 20 months of ALIS use, respiratory TEAEs were common, nephrotoxicity and hearing decline were infrequent, and culture conversion continued beyond 6 months of therapy.Clinical trial registered with www.clinicaltrials.gov (NCT02628600).

SUBMITTER: Winthrop KL

PROVIDER: S-EPMC8328368 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionThis study aimed to gain insight from patients with refractory Mycobacterium avium complex lung disease (MAC-LD) into strategies used to manage adverse events (AEs) associated with amikacin liposome inhalation suspension (ALIS).MethodsWe conducted semi-structured interviews with US patients with refractory MAC-LD prescribed ALIS in a real-world setting. Interview transcripts were analyzed and coded to identify patterns in participants' descriptions of their ALIS treatment experiences, including AEs and their disruptiveness, and AE mitigation strategies, including participants' ratings of strategies' effectiveness. Concept saturation was also assessed.ResultsTwenty participants (mean age 48.7 years; 80% women; mean ALIS duration 5.45 months) were interviewed. At the time of the interview, 15 participants (75%) had received ALIS for > 1 month and 13 (65%) were currently receiving ALIS. Participants described 44 unique AE mitigation strategies, which can be categorized into three groups: prepare for treatment; prevent increased emergence of AEs; and persist on treatment by mitigating AEs. Common strategies (reported by ≥ 50% of participants) included use of educational materials from the patient support program, localized management of throat irritation, and symptom management to reduce fatigue. Evidence of concept saturation was observed: no new strategies were identified in the last five interviews, which suggests the sample was robust enough to identify all mitigation strategies likely to be used by the broader patient population.ConclusionsThis real-world study identified a diverse set of potential AE mitigation strategies intended to help individual patients prepare for ALIS treatment, prevent the increased emergence of certain AEs, and mitigate the impact of AEs on treatment persistence. Developing a comprehensive accounting of the types of mitigation strategies in use among patients in real-world settings can inform future investigation of the effectiveness of such strategies, and support evidence-based recommendations for treatment management.

Project description:IntroductionA post hoc analysis of a double-blind (DB) active control trial and an open-label extension (OLE) study was conducted to evaluate the long-term effects of lurasidone in patients with schizophrenia.MethodsIn the DB trial, patients were randomised to receive lurasidone or risperidone for 12 months. In OLE, all patients received lurasidone for an additional 6 months. Treatment-emergent adverse events (TEAEs) were evaluated. Efficacy assessments included relapse rate (DB trial only), and Positive and Negative Syndrome Scale, Clinical Global Impression-Severity scale, and Montgomery-Åsberg Depression Rating Scale.ResultsIn the DB trial, patients with schizophrenia were randomised to lurasidone (n = 399) and risperidone (n = 190), of whom 129 and 84 continued into OLE, respectively. During the DB trial, incidence of TEAEs was similar for lurasidone (84.1%) and risperidone (84.2%). Lurasidone was associated with minimal changes in metabolic variables and prolactin levels, whereas risperidone was associated with clinically significant increases in prolactin and fasting glucose levels. The proportion of patients with metabolic syndrome was significantly lower in patients treated with lurasidone versus risperidone at the end of the DB trial (25.5% vs 40.4%; p = 0.0177). During OLE, patients switching from risperidone to lurasidone experienced a reduction in weight and prolactin levels; those continuing treatment with lurasidone experienced minimal changes in metabolic variables and prolactin. At the end of OLE, the proportion of patients with metabolic syndrome was no longer significantly different between groups (23.5% vs 31.5%; p = not significant). Efficacy outcomes were generally similar between groups during the DB trial, and were maintained during OLE.ConclusionLurasidone was generally well tolerated and effective in clinically stable schizophrenia patients over the long term. Lurasidone was also generally well tolerated and maintained effectiveness over 6 months in patients switching from risperidone. Patients switching from risperidone experienced improvements in metabolic parameters and prolactin levels. These findings confirm lurasidone's long-term effectiveness and favourable metabolic profile in patients with schizophrenia.Trial registrationClinicalTrials.gov identifier NCT00641745.

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Amikacin Liposome Inhalation Suspension for Mycobacterium avium Complex Lung Disease: A 12-Month Open-Label Extension Clinical Trial.

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