A Study to Assess the Efficacy of Gefapixant (MK-7264/AF-219), in Participants With Chronic Cough (MK-7264-006)
Completed
Afferent Pharmaceuticals, Inc.
Phase 2
This is a randomised, double-blind, placebo-controlled, crossover, single centre study of
gefapixant (AF-219/MK-7264) in participants with idiopathic or treatment resistant chronic
cough designed to evaluate the effectiveness of gefapixant in reducing daytime objective
cough frequency.
A Four-Week Multicenter Study Evaluating the Safety and Efficacy of Gefapixant (AF-219/MK-7264) in Subjects With Osteoarthritis of the Knee
Completed
Afferent Pharmaceuticals, Inc.
Phase 2
The purpose of this study is to assess the efficacy of a single dose level of gefapixant
(AF-219/MK-7264) in subjects with moderate to severe pain associated with osteoarthritis (OA)
of the knee compared with placebo after 4 weeks of treatment.
The study will also assess the safety and tolerability, changes in physical function,
stiffness, treatment response and health outcomes.
The Safety and Efficacy of Gefapixant (AF-219/MK-7264) in Female Participants With Interstitial Cystitis /Bladder Pain Syndrome (MK-7264-005)
Terminated
Afferent Pharmaceuticals, Inc.
Phase 2
The purpose of this study is to assess the efficacy of gefapixant (AF-219/MK-7264) in female
participants with moderate to severe pain associated with interstitial cystitis/bladder pain
syndrome (IC/BPS) after 4 weeks of treatment.
A Study to Evaluate the Effect of Gefapixant (AF-219/MK-7264) on Methacholine Hyper-reactivity in Participants With Asthma (MK-7264-009)
Completed
Afferent Pharmaceuticals, Inc.
Phase 2
This is a randomized, double-blind, double-dummy, placebo-controlled, three-way cross-over,
single centre study in participants with asthma undergoing inhalation of methacholine and
adenosine triphosphate (ATP) to assess the provocative concentration (PC20) response of two
dose levels of gefapixant (AF-219) compared with placebo.
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