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NCT03979638 · ClinicalTrials.gov registry record · Phase 2

A Dose Escalation Study of BLU-5937 in Unexplained or Refractory Chronic Cough

A Phase 2 study, sponsored by Bellus Health Inc. - a GSK company.

Terminated
Registry status
Phase 2
Development phase
68
Enrollment target

NCT03979638: Clinical Trial Phase 2 study, sponsored by Bellus Health Inc. - a GSK company.

NCT03979638 is a Phase 2 study that was terminated before completion, run by Bellus Health Inc. - a GSK company. The registered enrollment target is 68 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (49% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03979638, a Phase 2 study, was terminated before completion, sponsored by Bellus Health Inc. - a GSK company.

TERMINATED
Registry status
Phase 2
Development phase
68 participants
Enrollment target

Study Summary

This is a multi-center, randomized, double-blind, placebo-controlled, crossover, dose escalation study of BLU-5937 in subjects with unexplained or refractory chronic cough

Primary Outcome

Change in awake cough frequency (average hourly cough frequency while the subject is awake ) evaluated using the VitaloJAK cough monitor with 24-hour sound recordings collected

Interventions

  • DRUG Placebo
  • DRUG BLU-5937

Trial Details

FieldValue
Enrollment Target 68 participants
Start Date 2019-07-10
Est. Completion 2020-04-23
Phase Phase 2

Why NCT03979638 stopped before completion

NCT03979638 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 68 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (49% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT03979638 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03979638 about?

NCT03979638 is a clinical study titled "A Dose Escalation Study of BLU-5937 in Unexplained or Refractory Chronic Cough". This is a multi-center, randomized, double-blind, placebo-controlled, crossover, dose escalation study of BLU-5937 in subjects with unexplained or refractory chronic cough

What is the current status of trial NCT03979638?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 68 participants. The study started on 2019-07-10. Estimated completion is 2020-04-23.

What interventions are being tested in trial NCT03979638?

The interventions under investigation include: Placebo (DRUG), BLU-5937 (DRUG).

Who is sponsoring clinical trial NCT03979638?

This trial is sponsored by Bellus Health Inc. - a GSK company, which has 9 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03979638's enrollment target sits among peer trials

68 967th of 2000 higher than 1,027 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03979638, the US trial registry maintained by the National Library of Medicine. NCT03979638 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.