Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Cough: full-pipeline trial registry
4 of 13 indexed Cough trials are currently recruiting.
Corpus placement: #1,315 of 28,707 conditions by registered trial count.
13 US clinical trials · 4 currently recruiting · #1,315 of 28,707 conditions by registered trial count
Cough: 13 US clinical trials tracked, 4 recruiting.
Cough is the subject of 13 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 4 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is Bellus Health Inc. - a GSK company, running 3 of these trials.
Enrollment posture brief
Registry condition cough
OPEN 4 | RECR 31% | LATE 4 | EARLY 4 | RANK #1315 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Acute Decompensated Heart Failure (31% recruiting · 13 trials)
Cough lists 4 open slots (31% of 13 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Cough on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Cough is recruiting below its size-band peers.
4 of 13 indexed trials (30.8%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Cough research.
Bellus Health Inc. - a GSK company accounts for 3 of 13 trials (23.1%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical Cough enrolment sits around 60 participants.
Median target enrolment is 60 among the 13 trials that report a genuine target (sentinel values excluded). 7 of those (53.8%) plan for fewer than 100 participants.
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Cough research is mostly interventional.
11 interventional and 2 observational studies make up this index (84.6% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
13 total, page 1 of 1
A 24-Week Study of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough
Bellus Health Inc. - a GSK company
NCT05600777
The Mechanism Versus PPI Trial
University of California, San Diego
NCT06999577
Stimulation of the Larynx to Treat Unexplained Chronic Cough
University of Minnesota
NCT05273190
Office-Based Superior Laryngeal Nerve Block for Treatment of Neurogenic Cough
University of Alabama at Birmingham
NCT04642352
A 52-Week Study of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough
Bellus Health Inc. - a GSK company
NCT05599191
Work of Breathing Assessment in Triage Scale
CHRISTUS Health
NCT05479929
A Clinical Evidence Study Evaluating Quality of Life Parameters Following Treatment With Robitussin
HALEON
NCT06716645
Effect of Agave Syrup, Placebo, and No Treatment on Nocturnal Cough and Sleep Quality for Coughing Infants/Toddlers and Their Parents
Penn State University
NCT01721395
Effect of Honey and Dextromethorphan on Nocturnal Cough and Sleep
Penn State University
NCT00127686
A Study of Camlipixant in Male and Female Healthy Participants and Participants With Hepatic Impairment Aged 18-75 Years of Age
Bellus Health Inc. - a GSK company
NCT06222892
Cough Desensitization Therapy: Pilot 2
University of Montana
NCT05226299
Cough Desensitization Therapy for Cough Hypersensitivity Syndrome
University of Montana
NCT04256733
Stimulation With Wire Leads to Restore Cough
MetroHealth Medical Center
NCT01659541
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 4 |
| Phase 3 | 2 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Cough records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Cough trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Cough page
13 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Cough trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Bellus Health Inc. - a GSK company sponsors the most Cough trials on record, review their full trial history before evaluating a specific study. See Bellus Health Inc. - a GSK company's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Cough condition card totals 13 registered trials; most-linked intervention BLU-5937; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.