Bellus Health


Clinical Studies

To learn more about our ongoing clinical trials or to find out if a trial is enrolling patients in your area, please visit

Candidates Phase Study Number Study Title
BLU-5937 Phase 3 NCT05599191 CALM-1 – Refractory Chronic Cough
BLU-5937 Phase 3 NCT05600777 CALM-2 – Refractory Chronic Cough

At this time, BELLUS’ investigational therapy is not available on an expanded access or right-to-try basis for new patients. In the event BELLUS decides to consider expanded access or right-to-try use, the Company will evaluate and respond to each request that it receives on a case-by-case basis. For more information on our investigational therapy and ongoing clinical trials, please visit or