1,317
Participants
Start Date
March 15, 2018
Primary Completion Date
August 20, 2020
Study Completion Date
October 30, 2020
Placebo
Placebo tablet administered orally BID
Gefapixant 15 mg BID
Gefapixant 15 mg tablet administered orally BID
Gefapixant 45 mg BID
Gefapixant 45 mg tablet administered orally BID
Synexus Magyarorszag Kft. ( Site 1208), Budapest
Holdsworth House Medical Practice ( Site 0206), Sydney
Middlemore Clinical Trials ( Site 0232), Auckland
Australian Clinical Research Network ( Site 0201), Maroubra
Erzsebet Gondozohaz ( Site 1207), Gödöllő
Rochester Place Medical Centre ( Site 2129), Morningside
Bispebjerg Hospital ( Site 0804), København NV
Dr Kenessey Albert Korhaz-Rendelointezet ( Site 1200), Balassagyarmat
Herlev Hospital ( Site 0803), Herlev
Lakeland Clinical Trials ( Site 0233), Rotorua
P3 Research Ltd. ( Site 0228), Tauranga
CRU Hungary KFT ( Site 1205), Miskolc
Dr N K Gounden Mediclinic ( Site 2134), Shallcross
Puspokladanyi Egeszsegugyi Szolgaltato Nonprofit Kft ( Site 1203), Püspökladány
Drs Lalloo & Ambaram ( Site 2132), Umhlanga Ridge
Royal Adelaide Hospital [Adelaide, Australia] ( Site 0214), Adelaide
Synexus Magyarorszag Kft. ( Site 1210), Gyula
Trialswest ( Site 0208), Murdoch
Da Vinci Private Clinic - Da Vinci Maganklinika ( Site 1201), Pécs
UCT Lung Institute - Bateman ( Site 2126), Cape Town
Iatros International ( Site 2130), Brandwag
Lumniczer Sandor Korhaz es Rendelointezet ( Site 1212), Kapuvár
Zhytomyr Central City Hospital #1 ( Site 2828), Zhytomyr
Montefiore Medical Center ( Site 0098), The Bronx
Aerztezentrum Axel Springer Passage ( Site 1009), Berlin
Hospital Pulau Pinang. ( Site 1606), George Town
Atemwegszentrum Neukoeln ( Site 1003), Berlin
Chernihiv City hospital N2 ( Site 2801), Chernihiv
Clinica Internacional ( Site 1801), Lima
Clinica Ricardo Palma ( Site 1802), San Isidro
Asociacion Civil por la Salud ( Site 1805), Lima
Hospital Nacional Cayetano Heredia [Lima, Peru] ( Site 1806), Lima
Uludag Universitesi Tip Fakultesi ( Site 2621), Bursa
Bethesda Allergy Asthma and Research Center LLC ( Site 0019), Bethesda
Vinnytsia Regional Clinical Hospital n.a. M.I. Pyrogov ( Site 2819), Vinnytsia
Trakya Universitesi Saglik Arastirma ve Uygulama Merkezi ( Site 2619), Edirne
Clinical Research Partners, LLC. ( Site 0080), Richmond
Wake Research Associates, LLC ( Site 0058), Raleigh
Lowcountry Lung & Critical Care, PA ( Site 0045), Charleston
Allergic Disease and Asthma Center ( Site 0043), Greenville
Clinical Research of Rock Hill ( Site 0079), Rock Hill
Pneumologicum im Suedstadtforum ( Site 1004), Hanover
Atlanta Allergy & Asthma Clinic PA ( Site 0029), Stockbridge
Lenus Research & Medical Group Llc ( Site 0075), Sweetwater
Hospital Taiping ( Site 1600), Taiping
Istanbul Universitesi Istanbul Tip Fakultesi Gogus Hastalıklari ABD ( Site 2610), Istanbul
SSK Sureyyapasa Gogus Hastaliklari Hastanesi ( Site 2608), Istanbul
Ege Universitesi Tip Fakultesi Hastanesi ( Site 2603), Izmir
SBU Dr. Suat Seren Gogus Hast. ve Cer. Egitim ve Arastirma Hast. ( Site 2604), Izmir
Poltava City Clinical Hospital 1 ( Site 2808), Poltava
Abraham Research, PLLC ( Site 0107), Fort Mitchell
Volyn Regional Clinical Hospital ( Site 2829), Lutsk
Remington-Davis, Inc. ( Site 0082), Columbus
Celal Bayar University Faculty of Medicine ( Site 2614), Manisa
Respiratory Medicine Research Institute of Michigan, PLC ( Site 0034), Ypsilanti
Azienda Ospedaliero Universitaria Careggi ( Site 1400), Florence
Institut Perubatan Respiratori ( Site 1605), Kuala Lumpur
Minnesota Lung Center ( Site 0041), Woodbury
Minnesota Lung Center ( Site 0108), Edina
Mayo Clinic - Rochester ( Site 0006), Rochester
CE Chernivtsi state city clinical hospital 3 ( Site 2806), Chernivtsi
University Malaya Medical Centre ( Site 1601), Kuala Lumpur
Gemeinschaftspraxis Zentrum ( Site 1005), Frankfurt
Healthcare Research Network LLC ( Site 0093), Flossmoor
Rush University Medical Center ( Site 0103), Chicago
The Lung Research Center ( Site 0072), Chesterfield
Ballenberger Freytag Wenisch Institut fuer klinische Forschung GmbH ( Site 1011), Neu-Isenburg
University of Missouri ENT & Allergy Center ( Site 0066), Columbia
Universiti Teknologi MARA ( Site 1602), Batu Caves
CHI Health Creighton University Medical Center ( Site 0024), Omaha
MI Zaporizhzhia City Multispecialty Clinical Hospital 9 ( Site 2811), Zaporizhzhia
Kherson City Clinical Hospital n.a. Y.Y. Karabelesh ( Site 2812), Kherson
Pulmonary Associates, PA ( Site 0063), Phoenix
Clinical Research Consortium ( Site 0088), Tempe
Phoenix Medical Group ( Site 0022), Peoria
Albuquerque Clinical Trials ( Site 0039), Albuquerque
PneumoConsult Ulm ( Site 1008), Ulm
Clinical Research Consortium ( Site 0050), Las Vegas
Allergy & Asthma Associates of SCV Research Center ( Site 0064), San Jose
Allergy Associates Research Center ( Site 0026), Portland
Clinical Research Institute of Southern Oregon, PC ( Site 0099), Medford
Bellingham Asthma & Allergy ( Site 0076), Bellingham
Multicare Health System ( Site 0018), Tacoma
Marycliff Clinical Research ( Site 0062), Spokane
Peking University Third Hospital ( Site 5005), Beijing
ShengJing Hospital of China Medical University ( Site 5024), Shenyang
MedPlus Medicina Prepagada S.A. ( Site 0612), Bogotá
Neumo Investigaciones SAS ( Site 0622), Bogota
Centro Especializado en Enfermedades Pulmonares. ( Site 0620), Bogota
Shanghai General Hospital ( Site 5010), Shanghai
The First Affiliated Hospital of Zhejiang University ( Site 5014), Hangzhou
The First Affiliated Hospital of Nanchang University ( Site 5012), Nanchang
The First Affiliated Hospital of Fujian Medical University ( Site 5017), Fuzhou
The First Affiliated Hospital of Guangzhou Medical University ( Site 5000), Guangzhou
Instituto Neumologico del Oriente S.A. ( Site 0649), Bucaramanga
Fundacion Valle del Lili ( Site 0618), Santiago de Cali
Centro Medico Imbanaco de Cali S.A ( Site 0619), Santiago de Cali
Kaplan Medical Center ( Site 1300), Rehovot
Paul A. Shapero, MD ( Site 0104), Bangor
Atlantic Research Center LLC ( Site 0012), Ocean City
AAPRI Clinical Research Institute ( Site 0001), Warwick
Hamilton Medical Research Group ( Site 0510), Hamilton
Recherche GCP Research ( Site 0500), Montreal
Diex Recherche Quebec Inc ( Site 0515), Québec
Clinique Specialisee en Allergie de la Capitale - CSAC ( Site 0504), Québec
Clinique de Pneumologie et du Sommeil de Lanaudiere- CPSL ( Site 0516), Saint-Charles-Borromée
Q & T Research Sherbrooke Inc. ( Site 0512), Sherbrooke
CIC Mauricie Inc. ( Site 0503), Trois-Rivières
Diex Recherche Victoriaville Inc. ( Site 0514), Victoriaville
Inner Mongolia Autonomous Region Hospital ( Site 5018), Hohhot
Fundacion Centro de Investigacion Clinica CIC ( Site 0603), Medellín
Hospital Pablo Tobon Uribe ( Site 0600), Medellín
Universidad Pontificia Bolivariana - Clinica Universitaria Bolivariana ( Site 0602), Medellín
Inst. Prestadora de Servicios de Salud Universidad Antioquia ( Site 0621), Medellín
MUDr. I. Cierna Peterova s.r.o. ( Site 0707), Brandýs nad Labem
MediTrial s.r.o ( Site 0702), Jindrichuv Hradec III
Ordinace Pneumologie a diagnostiky Plicnich funkci ( Site 0705), Karlovy Vary
PNEUMO-NB s.r.o. ( Site 0710), Nový Bor
Nemocnice Tabor a.s. ( Site 0703), Tábor
Pneumologenzentrum ( Site 1006), Leipzig
Clinipharm ( Site 2902), Guatemala City
Celan SA ( Site 2900), Guatemala City
Consultorio Privado Dr. Jeremias Guerra ( Site 2909), Guatemala City
Clinica Medica Especializada en Neumologia ( Site 2901), Guatemala City
Clinica Privada Dr. Jose Francisco Flores Lopez ( Site 2903), Guatemala City
Hospital Sultanah Bahiyah ( Site 1607), Alor Star
Southern Clinical Trials - Waitemata ( Site 0230), Auckland
Hospital Nacional Adolfo Guevara Velasco ( Site 1808), Cusco
NZOZ CENTRUM ALERGOLOGII ( Site 1909), Lublin
Centrum Medyczne Pratia Katowice ( Site 1917), Katowice
Centrum Medyczne Silmedic Sp z o o ( Site 1920), Katowice
Centrum Medycyny Oddechowej Mroz Spolka Jawna ( Site 1918), Bialystok
KLIMED ( Site 1902), Bychawa
Gyncentrum Clinic Sp. z o.o. ( Site 1908), Katowice
Specjalistyczny osrodek .All-Med. Grazyna Pulka ( Site 1919), Krakow
Centrum Nowoczesnych Terapii Dobry Lekarz ( Site 1924), Krakow
Uniwersytecki Szpital Kliniczny im. Norberta Barlickiego nr 1 ( Site 1921), Lodz
Ostrowieckie Centrum Medyczne ( Site 1915), Ostrowiec Świętokrzyski
RCMed ( Site 1912), Sochaczew
Lubelskie Centrum Diagnostyczne ( Site 1913), Świdnik
Centrum Medyczne Pratia Warszawa ( Site 1911), Warsaw
Centrum Medyczne Lucyna Andrzej Dymek - Zawadzkie ( Site 1923), Zawadzkie
Jongaie Research ( Site 2131), Pretoria
I Engelbrecht Research ( Site 2128), Centurion
Cukurova Universitesi Tıp Fakultesi Balcalı Hastanesi ( Site 2612), Adana
Ankara Universitesi Tip Fakultesi Cebeci Hastanesi ( Site 2602), Ankara
Medical Clinic Blagomed LLC ( Site 2807), Kiev
Kyiv City Tuberculosis Hospital No. 1 ( Site 2814), Kyiv
Medical Association Medbud of the PJSC Kyivmiskbud ( Site 2803), Kyiv
SE Road Clinical Hospital 2 of Kyiv station ( Site 2809), Kyiv
Institute of Otolaryngology n. a. Prof. A. I. Kolomiychenko ( Site 2833), Kyiv
F.G.Yanovskyy Institute of Phthisiology and Pulmonology ( Site 2804), Kyiv
F.G.Yanovskyy Institute of Phthisiology and Pulmonology ( Site 2830), Kyiv
Hull & East Yorkshire NHS Trust. Castle Hill Hospital ( Site 2704), Cottingham
Synexus Midlands Clinical Research Centre Ltd ( Site 2719), Birmingham
Medinova East London Dedicated Research Centre ( Site 2715), Romford
Medinova South London Dedicated Research Centre ( Site 2714), Sidcup
Medinova North London Dedicated Research Centre ( Site 2716), Northwood
Medinova Lakeside Dedicated Research Centre ( Site 2710), Corby
Medinova Warwickshire Dedicated Research Centre ( Site 2717), Kenilworth
Belfast City Hospital ( Site 2705), Belfast
Synexus Scotland Clinical Research Centre ( Site 2721), Glasgow
Synexus Merseyside Clinical Research Centre ( Site 2720), Liverpool
Prince Phillip Hospital ( Site 2722), Llanelli
1Kings College Hospital ( Site 2702), London
Synexus Manchester Clinical Research Centre ( Site 2718), Manchester
Wythenshawe Hospital ( Site 2700), Manchester
North Tyneside General Hospital ( Site 2707), North Shields
Rothwell Medical Centre ( Site 2712), Rothwell
Taunton and Somerset Hospital ( Site 2723), Taunton
West Walk Surgery ( Site 2711), Yate
Merck Sharp & Dohme LLC
INDUSTRY