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Completed Phase 2 Interventional

Evaluation of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough

ClinicalTrials.gov ID: NCT04678206

Public ClinicalTrials.gov record NCT04678206. 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.

ClinicalTrials.gov public records Last synced May 17, 2026, 8:49 PM EDT

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, Adaptive, Double-Blind, Placebo-Controlled, Parallel-Arm, Phase 2b Study to Evaluate the Efficacy and Safety of Multiple Doses of BLU-5937 in Adult Participants With Refractory Chronic Cough

Study identification

NCT ID
NCT04678206
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Bellus Health Inc. - a GSK company
Industry
Enrollment
310 participants

Conditions and interventions

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
Dec 6, 2020
Primary completion
Oct 20, 2021
Completion
Nov 1, 2021
Last update posted
Dec 12, 2021

2020 – 2021

United States locations

U.S. sites
55
U.S. states
26
U.S. cities
54
Facility City State ZIP Site status
Phoenix Medical Research Inc Peoria Arizona 85381
Little Rock Allergy and Asthma Clinical Research Center Little Rock Arkansas 21237
Southern California Institute For Respiratory Diseases, Inc Los Angeles California 90048
Allergy and Asthma Associates of Southern California Mission Viejo California 92691
California Medical Research Associates, Inc. Northridge California 91324
Allergy Associates Medical Group Inc. San Diego California 92120
Allergy and Asthma Associates of Santa Clara Valley Research Center San Jose California 95117
Colorado Allergy and Asthma Centers Denver Colorado 80230
St. Francis Medical Institute Clearwater Florida 33765
Floridian Clinical Research Hialeah Florida 33016
Sweet Hope Research Specialty, Inc. Hialeah Florida 33016
Sher Allergy Specialist/Center for Cough Largo Florida 33778
Medical Research of Central Florida Leesburg Florida 34748
ProCare Clinical Research Miami Lakes Florida 33014
Central Florida Pulmonary Group PA Orlando Florida 32803
Lenus Research & Medical Group Sweetwater Florida 33172
IACT Health - Columbus Columbus Georgia 31904
IACT Health - Lawrenceville Lawrenceville Georgia 30046
IACT Health - Rincon Rincon Georgia 31326
Sneeze Wheeze and Itch Associates LLC Normal Illinois 61761
AES - Synexus Clinical Research US, Inc. - Evansville Evansville Indiana 47714
Abraham Research PLLC Fort Mitchell Kentucky 41017
Infinity Medical Research Inc North Dartmouth Massachusetts 02747
Minnesota Lung Center Edina Minnesota 55435
Mayo Clinic Rochester Minnesota 55905
Minnesota Lung Center Woodbury Minnesota 55125
The Lung Research Center, LLC Chesterfield Missouri 63017
University of Missouri, ENT and Allergy Center of Missouri Columbia Missouri 65201
The Clinical Research Center LLC St Louis Missouri 63141
Montana Medical Research Missoula Montana 59808
Creighton University Medical Center Omaha Nebraska 68124
Atlantic Respiratory Institute Summit New Jersey 07901
Albuquerque Clinical Trials Inc Albuquerque New Mexico 87102
CHEAR Center LLC The Bronx New York 10455
American Health Research Inc Charlotte North Carolina 28277
Clinical Research of Gastonia Gastonia North Carolina 28054
Southeastern Research Center Winston-Salem North Carolina 27103
Bernstein Clinical Research Center Inc Cincinnati Ohio 45231
The Cleveland Clinic Foundation Cleveland Ohio 44195
Remington Davis Inc Columbus Ohio 43215
Vital Prospects Clinical Research Institute PC Tulsa Oklahoma 74136
Clinical Research Associates Of Central Pa Altoona Pennsylvania 16601
Synexus Clinical Research US, Inc. Anderson South Carolina 29621
National Allergy and Asthma Research Charleston South Carolina 29420
Clinical Research of Rock Hill Rock Hill South Carolina 29732
Clinical Trials Center of Middle Tennessee Franklin Tennessee 37067
Pharmaceutical Research & Consulting Inc Dallas Texas 75231
El Paso Pulmonary Association El Paso Texas 79902
Village Research, LLC Houston Texas 77084
Metroplex Pulmonary and Sleep Medicine Center McKinney Texas 75069
Diagnostics Research Group San Antonio Texas 78229
Sherman Clinical Research Sherman Texas 75092
Allergy Asthma Research Institute Waco Texas 76712
Intermountain Clinical Research Draper Utah 84020
TPMG Lung & Sleep Specialist Williamsburg Virginia 23188

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 61 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04678206, 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 Dec 12, 2021 · Synced May 17, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04678206 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →