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Study of a Nebulised Nitric Oxide Generating Solution in Patients With Mycobacterium Abscessus — NOMAB  

Cystic Fibrosis Clinical Trial

Official title:
Phase II Open Label Study of a Nebulised Nitric Oxide Generating Solution in Patients With Mycobacterium Abscessus Pulmonary Disease

Clinical Trial Summary

- To evaluate the change in M. abscessus cfu/g in induced sputum samples from baseline to the end of treatment with RESP301 in patients with cystic fibrosis who have treatment-naïve or treatment-refractory M. abscessus-pulmonary disease - To assess the safety and tolerability of RESP301 during treatment (28 days) and follow up (84 days) in patients with cystic fibrosis who have treatment naïve or treatment refractory M. abscessus-pulmonary disease

Clinical Trial Description

Investigators will undertake an eighteen-week single centre, open label study in participants with cystic fibrosis infected with Mycobacterium abscessus (M. abscessus)-pulmonary disease (-PD). The study will treat particpants with cystic fibrosis (CF) attending the Adult Cystic Fibrosis Centre at the Royal Papworth Hospital, Cambridge, United Kingdom. Participants will be consented and screened for the RESP301-003 study to enable approximately 12 participants to commence treatment with RESP301. Participants will have M abscessus-PD as defined by the ATS/IDSA, specifically: (i) two or more positive sputum cultures for M. abscessus; (ii) radiological change consistent with NTM-PD; and (iii) symptoms consistent with NTM-PD, after exclusion of other causes. Participants will be recruited who (1) have not commenced antibiotic treatment for M. abscessus-PD or (2) have treatment refractory M. abscessus-PD (defined as remaining sputum culture positive after 6 months or more of treatment). Treatment-refractory participants will be suitable for enrolment in the study if date of first dosing is at least 2 months since a change in M. abscessus treatment (or 4 months since change of Clofazimine). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05101915
Study type Interventional
Source Papworth Hospital NHS Foundation Trust
Contact
Status Terminated
Phase Phase 2
Start date November 1, 2021
Completion date April 23, 2024
View Details
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