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

NCT ID: NCT03979638

Last Updated: 2021-08-03

Study Results

Results available

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE2

Total Enrollment

68 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-07-10

Study Completion Date

2020-04-23

Brief Summary

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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

Detailed Description

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This study will have two 16-day treatment periods (four escalating doses or matching placebo at four days interval) separated by a 10 to 14-day washout period. There will be a 14-day follow-up period.

Conditions

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Chronic Refractory Cough

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Two-arm, Two-Period, crossover assignment
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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BLU-5937 oral tablet BID

Randomized crossover design of 4 different doses (25, 50, 100, 200 mg BID) of BLU-5937 tablets to be administered orally BID

Group Type EXPERIMENTAL

BLU-5937

Intervention Type DRUG

Four escalating doses of BLU-5937 administered BID over the course of the study

Placebo oral tablet BID

Randomized crossover design of matching placebo tablets to be administered orally BID

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Matching placebo for BLU-5937

Interventions

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BLU-5937

Four escalating doses of BLU-5937 administered BID over the course of the study

Intervention Type DRUG

Placebo

Matching placebo for BLU-5937

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Unexplained or refractory chronic cough for at least one year
* Chest radiograph or CT thorax within the last 60 months not demonstrating any abnormality considered to be significantly contributing to the chronic cough
* Cough count of ≥ 10 per hour (Awake Cough Count) at Screening
* Score of ≥ 40mm on the Cough Severity VAS at Screening
* Women of child-bearing potential must have a negative serum pregnancy test at Screening
* Women of child-bearing potential must use a highly effective contraception method from Screening through the Follow-Up Visit
* Male subjects and their partners of child-bearing potential must use 2 methods of acceptable birth control

Exclusion Criteria

* Current smoker or individuals who have given up smoking within the past 6 months, or those with \>20 pack-year smoking history
* Diagnosis of COPD, bronchiectasis, idiopathic pulmonary fibrosis
* Treatment with an ACE-inhibitor as the potential cause of a subject's cough, or requiring treatment with an ACE-inhibitor during the study, or within 12 weeks prior to the Screening Visit
* FEV1/FVC \< 60%
* History of upper respiratory tract infection or recent significant change in pulmonary status within 4 weeks of the Baseline Visit
* History of concurrent malignancy or recurrence of malignancy within 2 years prior to Screening
* History of a diagnosis of drug or alcohol dependency or abuse within the last 3 years
* Clinically significant abnormal electrocardiogram (ECG) or laboratory tests at Screening
* Other severe, acute, or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with trial participation or investigational product administration or may interfere with the interpretation of trial results
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Bellus Health Inc. - a GSK company

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Jacky Smith, MD, Ph.D.

Role: PRINCIPAL_INVESTIGATOR

University of Manchester

Locations

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Allergy Associates Medical Group Inc.

San Diego, California, United States

Site Status

Allergy & Asthma Associates of Santa Clara Valley

San Jose, California, United States

Site Status

Centre for Cough

Largo, Florida, United States

Site Status

Clinical Research Institute

Minneapolis, Minnesota, United States

Site Status

Clinical Research of Gastonia

Gastonia, North Carolina, United States

Site Status

National Allergy & Asthma Research

Charleston, South Carolina, United States

Site Status

Diagnostics Research Group

San Antonio, Texas, United States

Site Status

Allergy Asthma & Sinus Center

Greenfield, Wisconsin, United States

Site Status

Belfast City Hospital

Belfast, , United Kingdom

Site Status

Castle Hill Hospital

Cottingham, , United Kingdom

Site Status

University Hospitals of Leicester

Leicester, , United Kingdom

Site Status

Prince Phillip Hospital

Llanelli, , United Kingdom

Site Status

King's College Hospital

London, , United Kingdom

Site Status

Royal Brompton Hospital

London, , United Kingdom

Site Status

Manchester Clinical Research Facility

Manchester, , United Kingdom

Site Status

North Tyneside General Hospital

North Shields, , United Kingdom

Site Status

Countries

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United States United Kingdom

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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2019-000375-16

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

BUS-P2-01

Identifier Type: -

Identifier Source: org_study_id

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