A 52-Week Study of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough
Public ClinicalTrials.gov record NCT05599191. 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 Phase 3, 52-Week, Randomized, Double-Blind, Placebo-Controlled, Parallel-Arm Efficacy and Safety Study With Open-Label Extension of BLU-5937 in Adult Participants With Refractory Chronic Cough, Including Unexplained Chronic Cough (CALM-1)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a randomized, double-blind, placebo-controlled, parallel-arm, Phase 3 study of BLU-5937 in participants with Refractory Chronic Cough (RCC).
Study identification
- NCT ID
- NCT05599191
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 957 participants
Conditions and interventions
Conditions
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
- Oct 25, 2022 (Actual)
- Primary completion
- Dec 17, 2025 (Actual)
- Completion
- Jun 18, 2026 (Actual)
- Last update posted
- Jul 14, 2026
2022 – 2026
United States locations
- U.S. sites
- 67
- U.S. states
- 30
- U.S. cities
- 62
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| GSK Investigational Site | Jasper | Alabama | 35501 | — |
| GSK Investigational Site | Litchfield Park | Arizona | 85340 | — |
| GSK Investigational Site | Scottsdale | Arizona | 85248 | — |
| GSK Investigational Site | Little Rock | Arkansas | 72205 | — |
| GSK Investigational Site | Encinitas | California | 92024 | — |
| GSK Investigational Site | Mission Viejo | California | 92691 | — |
| GSK Investigational Site | Paramount | California | 90723 | — |
| GSK Investigational Site | Roseville | California | 95661 | — |
| GSK Investigational Site | Aurora | Colorado | 80012 | — |
| GSK Investigational Site | Colorado Springs | Colorado | 80923 | — |
| GSK Investigational Site | Clearwater | Florida | 33756 | — |
| GSK Investigational Site | Gainesville | Florida | 32608 | — |
| GSK Investigational Site | Miami | Florida | 15801 | — |
| GSK Investigational Site | Miami | Florida | 33155 | — |
| GSK Investigational Site | Miami | Florida | 33173 | — |
| GSK Investigational Site | Miami | Florida | 33186 | — |
| GSK Investigational Site | Orlando | Florida | 32713 | — |
| GSK Investigational Site | Lawrenceville | Georgia | 30046 | — |
| GSK Investigational Site | Normal | Illinois | 61761 | — |
| GSK Investigational Site | Oak Lawn | Illinois | 60453 | — |
| GSK Investigational Site | Ames | Iowa | 50010 | — |
| GSK Investigational Site | Iowa City | Iowa | 52242 | — |
| GSK Investigational Site | Kansas City | Kansas | 66160 | — |
| GSK Investigational Site | Topeka | Kansas | 66606 | — |
| GSK Investigational Site | Wichita | Kansas | 67214 | — |
| GSK Investigational Site | Crowley | Louisiana | 70526 | — |
| GSK Investigational Site | Shreveport | Louisiana | 71115 | — |
| GSK Investigational Site | Annapolis | Maryland | 21404 | — |
| GSK Investigational Site | North Dartmouth | Massachusetts | 02747 | — |
| GSK Investigational Site | Ann Arbor | Michigan | 48109 | — |
| GSK Investigational Site | Ypsilanti | Michigan | 48197 | — |
| GSK Investigational Site | Columbia | Missouri | 65203 | — |
| GSK Investigational Site | St Louis | Missouri | 63110 | — |
| GSK Investigational Site | St Louis | Missouri | 63141 | — |
| GSK Investigational Site | Missoula | Montana | 59808 | — |
| GSK Investigational Site | Jersey City | New Jersey | 07304 | — |
| GSK Investigational Site | The Bronx | New York | 10461 | — |
| GSK Investigational Site | Charlotte | North Carolina | 28277 | — |
| GSK Investigational Site | Raleigh | North Carolina | 28401 | — |
| GSK Investigational Site | Rocky Mount | North Carolina | 27804 | — |
| GSK Investigational Site | Salisbury | North Carolina | 28144 | — |
| GSK Investigational Site | Winston-Salem | North Carolina | 27103 | — |
| GSK Investigational Site | Columbus | Ohio | 43215 | — |
| GSK Investigational Site | Dayton | Ohio | 45417 | — |
| GSK Investigational Site | Oklahoma City | Oklahoma | 73104 | — |
| GSK Investigational Site | Tulsa | Oklahoma | 74136 | — |
| GSK Investigational Site | Medford | Oregon | 97504 | — |
| GSK Investigational Site | Portland | Oregon | 97202 | — |
| GSK Investigational Site | Philadelphia | Pennsylvania | 19140 | — |
| GSK Investigational Site | Warwick | Rhode Island | 02886 | — |
| GSK Investigational Site | Charleston | South Carolina | 29406 | — |
| GSK Investigational Site | Little River | South Carolina | 29566 | — |
| GSK Investigational Site | Mt. Pleasant | South Carolina | 29464 | — |
| GSK Investigational Site | Rock Hill | South Carolina | 29732 | — |
| GSK Investigational Site | Bristol | Tennessee | 37620 | — |
| GSK Investigational Site | Knoxville | Tennessee | 37938 | — |
| GSK Investigational Site | Dallas | Texas | 75231-4307 | — |
| GSK Investigational Site | Houston | Texas | 77074 | — |
| GSK Investigational Site | Houston | Texas | 77401 | — |
| GSK Investigational Site | McKinney | Texas | 75069 | — |
| GSK Investigational Site | San Antonio | Texas | 78229 | — |
| GSK Investigational Site | Waco | Texas | 76712 | — |
| GSK Investigational Site | Salt Lake City | Utah | 84132 | — |
| GSK Investigational Site | Norfolk | Virginia | 23507 | — |
| GSK Investigational Site | Williamsburg | Virginia | 23188 | — |
| GSK Investigational Site | Bellevue | Washington | 68123 | — |
| GSK Investigational Site | Bellingham | Washington | 98225 | — |
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 133 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05599191, 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 Jul 14, 2026 · Synced Oct 22, 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 public registry record, listed eligibility criteria, and available contact information for NCT05599191 live on ClinicalTrials.gov.