187
Participants
Start Date
September 11, 2018
Primary Completion Date
June 30, 2020
Study Completion Date
June 30, 2020
Gefapixant
Gefapixant tablet 45 mg taken orally
Placebo
Placebo matching gefapixant tablet taken orally
Naproxen
Naproxen sodium 275 mg tablets taken orally as needed, at dose prescribed by sites' principal investigator
Holdsworth House Medical Practice ( Site 0009), Sydney
Royal Hospital for Women ( Site 0008), Randwick
Paratus Clinical Kanwal ( Site 0004), Kanwal
Royal Adelaide Hospital ( Site 0007), Adelaide
Keogh Institute for Medical Research ( Site 0002), Nedlands
Southern Clinical Trials Ltd ( Site 0201), Christchurch
PI-Coor Clinical Research, LLC ( Site 0710), Reston
Clinical Research Partners, LLC. ( Site 0704), Richmond
Carolina Women's Research and Wellness Center ( Site 0715), Durham
Hospital Sanitas La Zarzuela ( Site 0502), Aravaca
Hospital Sanitas La Moraleja ( Site 0504), Madrid
Palmetto Clinical Research ( Site 0707), Summerville
Inpatient Research Clinic, LLC ( Site 0725), Miami Lakes
Well Pharma Medical Research, Corp. ( Site 0703), Miami
QPS Miami Research Associates ( Site 0735), South Miami
L&C Professional Medical Research Institute ( Site 0709), Miami
Doral Medical Research, LLC ( Site 0706), Doral
Lenus Research & Medical Group Llc ( Site 0702), Sweetwater
Advanced Pharma Research ( Site 0719), Cutler Bay
KO Clinical Research, LLC ( Site 0723), Fort Lauderdale
New Horizon Research Center ( Site 0717), Miami
Florida Fertility Institute ( Site 0737), Clearwater
Cahaba Medical Care ( Site 0750), Birmingham
Chattanooga Medical Research ( Site 0743), Chattanooga
Communal not commercial institution. Ternopil City Community Hospital 2 ( Site 0903), Ternopil
Multiprofile medical center on the base of Odessa National Medical University ( Site 0908), Odesa
Communal Nonprofit Enterprize Maternity Hospital 4 ( Site 0904), Zaporizhzhya
Communal Institution Maternity Hospital 3 ( Site 0909), Zaporizhzhya
Municipal Institution Zaporizhzhya Regional Clinical Hospital ( Site 0906), Zaporizhzhya
Southern Clinical Research Associates ( Site 0701), Metairie
Lynn Institute of the Ozarks ( Site 0720), Little Rock
Iv-Fr Reg Perinatal center State higher Educa inst Iv-Fr Nat Med University ( Site 0910), Ivano-Frankivsk
HD Research Corp ( Site 0738), Houston
Corpus Christi Clinic ( Site 0744), Corpus Christi
Women Partners in Health ( Site 0745), Austin
Synexus US Phoenix Southeast ( Site 0729), Chandler
Synexus ( Site 0734), Scottsdale
California Center for Clinical Research ( Site 0741), Arcadia
Artemis Institute for Clinical Research ( Site 0716), San Diego
Alta California Medical Group ( Site 0721), Simi Valley
Seattle Women's: Health, Research, Gynecology ( Site 0714), Seattle
Moscow Regional Research Institute of Tocology and Gynecolog ( Site 0411), Moscow
State Institution of Healthcare Moscow City Clinical Hospital 13 ( Site 0408), Moscow
Women clinic 22 ( Site 0400), Saint Petersburg
NII of Obstetrics, Gynecology and Reproductology n.a. D.O. Ott ( Site 0401), Saint Petersburg
Uromed LLC ( Site 0410), Smolensk
Kazan State Medical University ( Site 0404), Kazan'
Clinical Hospital #2 of Kazan city ( Site 0406), Kazan'
LLC Scientific Research Medical Complex Your Health. ( Site 0405), Kazan'
Siberian State Medical University ( Site 0402), Tomsk
Hospital San Juan de Dios de La Serena ( Site 0110), La Serena
Clinica Indisa [Santiago, Chile] ( Site 0101), Santiago
Clinica Las Condes ( Site 0109), Santiago
Clinica Alemana de Santiago ( Site 0107), Santiago
Hospital San Borja Arriaran ( Site 0103), Santiago
Thameside OBGYN Center ( Site 0747), Groton
WHUSA Fine and Gillette ( Site 0751), Hamden
Tufts Medical Center ( Site 0742), Boston
Southern Clinical Trials - Waitemata ( Site 0200), Auckland
Prywatna Klinika Polozniczo - Ginekologiczna ( Site 0300), Bialystok
Indywidualna Specjalistyczna Praktyka Lekarska Krzysztof Wilk ( Site 0316), Katowice
SPL Chorob Kobiecych i Połoznictwa dr L. Kobielska ( Site 0339), Katowice
Clinical Medical Research Sp. z o.o. ( Site 0343), Katowice
Osrodek Badan Klinicznych Gyncentrum ( Site 0330), Katowice
LIFTMED ( Site 0325), Rybnik
Examen Sp. z o.o. ( Site 0318), Skorzewo
Clinical Best Solutions ( Site 0338), Warsaw
Marek Elias Gabinety Ginekologiczne ( Site 0331), Wroclaw
Cooperativa de Facultad Medica Sanacoop ( Site 0805), Bayamón
Ponce Health Sciences University ( Site 0804), Ponce
Gynecology & Endometriosis Center LLC ( Site 0806), San Juan
Henry A. Rodriguez-Ginorio Private Practice ( Site 0800), San Juan
Genes Fertility Institute Inc. ( Site 0803), San Juan
Instituto de Ciencias Medicas.ICM ( Site 0500), Alicante
Hospital Clinic i Provincial de Barcelona ( Site 0501), Barcelona
Medical Center Verum ( Site 0900), Kyiv
GI Institute of POG of NAMS of Ukraine ( Site 0905), Kyiv
City Clinical Hospital No. 9 ( Site 0901), Kyiv
Merck Sharp & Dohme LLC
INDUSTRY