Last updated on December 2018

Phase 3 Study of Gefapixant (MK-7264) in Adult Participants With Chronic Cough (MK-7264-027)

Brief description of study

The primary objective of this study was to evaluate the efficacy of gefapixant in reducing cough frequency as measured over a 24-hour period at Week 12.

Detailed Study Description

The study had a Screening period (minimum of 7 days and up to approximately 14 days) to determine participant inclusion, a Baseline visit including 24 hours of objective measurement of cough. The study had two treatment periods (a main 12-week treatment period and a 40-week extension period), and a 14-day follow-up period.

Clinical Study Identifier: NCT03449134

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Study Coordinator

National Hospital Organization Tokyo National Hospital ( Site 1557)
Kiyose, Japan
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Study Coordinator

National Hospital Organization Disaster Medical Center ( Site 1558)
Tachikawa, Japan
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Recruitment Status: Open

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