A Dose Escalation Study of BLU-5937 in Unexplained or Refractory Chronic Cough
Public ClinicalTrials.gov record NCT03979638. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blind, Placebo-Controlled, Crossover, Dose Escalation Study of BLU-5937 in Subjects With Unexplained or Refractory Chronic Cough (RELIEF)
Study identification
- NCT ID
- NCT03979638
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Bellus Health Inc. - a GSK company
- Industry
- Enrollment
- 68 participants
Conditions and interventions
Conditions
Interventions
- BLU-5937 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 9, 2019
- Primary completion
- Apr 22, 2020
- Completion
- Apr 22, 2020
- Last update posted
- Aug 2, 2021
2019 – 2020
United States locations
- U.S. sites
- 8
- U.S. states
- 7
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Allergy Associates Medical Group Inc. | San Diego | California | 92108 | — |
| Allergy & Asthma Associates of Santa Clara Valley | San Jose | California | 95117 | — |
| Centre for Cough | Largo | Florida | 33778 | — |
| Clinical Research Institute | Minneapolis | Minnesota | 55402 | — |
| Clinical Research of Gastonia | Gastonia | North Carolina | 20854 | — |
| National Allergy & Asthma Research | Charleston | South Carolina | 29420 | — |
| Diagnostics Research Group | San Antonio | Texas | 78229 | — |
| Allergy Asthma & Sinus Center | Greenfield | Wisconsin | 53228 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03979638, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 2, 2021 · Synced Jul 23, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03979638 live on ClinicalTrials.gov.