Depression drug study halted: aticaprant safety trial ends early

NCT ID NCT05518149

First seen Apr 25, 2026 · Last updated May 14, 2026 · Updated 1 time

Summary

This study looked at the long-term safety of a drug called aticaprant when taken together with standard antidepressants for people with major depressive disorder. About 871 adults were planned to join, but the study was stopped early. The main goal was to track side effects and see how well the drug was tolerated over time.

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Contacts and locations

Locations

  • A Plus Research

    Miami, Florida, 33144, United States

  • A Shine S R O

    Pilsen, 301 00, Czechia

  • AD71 s.r.o.

    Prague, 10000, Czechia

  • APG Research LLC

    Orlando, Florida, 32803, United States

  • ASST Fatebenefratelli Sacco

    Milan, 20157, Italy

  • AUSL LE di Lecce

    Lecce, 73100, Italy

  • ActivMed Practices and Research

    Methuen, Massachusetts, 01844, United States

  • Advanced Research Center Inc

    Anaheim, California, 92805, United States

  • Albert Road Clinic

    Melbourne, 3004, Australia

  • Alpine Research Organization

    Clinton, Utah, 84015, United States

  • Ambulatory Group practice for specialized help in psychiary Philipopolis ODD

    Plovdiv, 4002, Bulgaria

  • Ambulatory for Individual Practice for Specialized Medical Care in Psychiatry Dr. Ivo Natsov ET

    Cherven Bryag, 5980, Bulgaria

  • Amedica Research Institute Inc

    Hialeah, Florida, 33013, United States

  • Anima

    Alken, 3570, Belgium

  • Asan Medical Center

    Seoul, 05505, South Korea

  • Asclepes Research

    Long Beach, California, 90807, United States

  • Associacao Hospitalar Moinhos de Vento

    Porto Alegre, 90035-001, Brazil

  • Austin Clinical Trial Partners

    Austin, Texas, 78737, United States

  • Azienda Ospedaliera Universitaria Senese Policlinico Santa Maria alle Scotte

    Siena, 53100, Italy

  • Azienda Ospedaliero Universitaria Mater Domini

    Catanzaro, 88100, Italy

  • Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII (Presidio Papa Giovanni XXIII)

    Bergamo, 24127, Italy

  • BR Trials

    São Paulo, 05003 020, Brazil

  • Behavioral Research Specialists LLC

    Glendale, California, 91206, United States

  • Beijing Anding Hospital of Capital Medical University

    Beijing, 100088, China

  • Beijing Huilongguan Hospital

    Beijing, 102208, China

  • Bioscience Research LLC

    Mount Kisco, New York, 10549, United States

  • Bravo Health Care Center

    North Bay Village, Florida, 33141, United States

  • Bugat Pal Korhaz

    Gyöngyös, 3200, Hungary

  • C I A P Centro de investigacion y Asistencia en Psiquiatria

    Rosario, 2000, Argentina

  • C.H.U. Brugmann

    Brussels, 1020, Belgium

  • CBH Health

    Gaithersburg, Maryland, 20877, United States

  • CDC Research Institute LLC

    Port Saint Lucie, Florida, 34952, United States

  • CEMEC - Centro Multidisciplinar de Estudos Clínicos

    São Bernardo, 09715-090, Brazil

  • CEN Consultorios Especializados en Neurociencias

    Córdoba, 5000FJF, Argentina

  • CENPIA

    La Plata, 1902, Argentina

  • CENydET - Centro Neurobiologico y de Stress Traumatico

    Ciudad Autonoma Buenos Aires, 1058 AAJ, Argentina

  • CHRU de Tours Clinique Psychiatrique Universitaire

    Tours, 37044, France

  • CHU Clermont-Ferrand - Hopital Gabriel Montpied

    Clermont-Ferrand, 63000, France

  • CHU de Brest - Hopital de la Cavale Blanche

    Bohars, 29820, France

  • CHU de Nantes hotel Dieu

    Nantes, 44093, France

  • CIPREC

    Buenos Aires, C1061AAS, Argentina

  • CMB Clinical Trials

    Santee, California, 92071, United States

  • CNS Clinical Research Group

    Coral Springs, Florida, 33067, United States

  • CPQuali Pesquisa Clinica LTDA ME

    São Paulo, 01228-000, Brazil

  • Cabinet Medical des Drs Prizac-Desbonnet Scottez

    Douai, 59500, France

  • California Neuroscience Research

    Sherman Oaks, California, 91403, United States

  • Cape Town Clinical Research Centre

    Cape Town, 7530, South Africa

  • Cedar Psychiatry

    Murray, Utah, 84107, United States

  • Centro Medico Luquez

    Córdoba, X5006IKK, Argentina

  • Centrum Badan Klinicznych PI House sp z o o

    Gdansk, 80 546, Poland

  • Centrum Medyczne Care Clinic Katowice

    Katowice, 40568, Poland

  • Charak Center for Health and Wellness

    Garfield Heights, Ohio, 44125, United States

  • Cheng Hsin General Hospital

    Taipei, 112, Taiwan

  • Chicago Research Center

    Chicago, Illinois, 60634, United States

  • China Medical University Hospital

    Taichung, 40447, Taiwan

  • Clinica El Jardin

    Santiago del Estero, 4200, Argentina

  • Clinica Mayo de UMCB

    San Miguel de Tucumán, 4000, Argentina

  • Clinica Privada de Salud Mental Santa Teresa de Ávila

    La Plata, Thanks, Argentina

  • Clinical Trial Network - Houston

    Houston, Texas, 77074, United States

  • Clinical Trials of America

    Monroe, Louisiana, 71203, United States

  • Clinsante Osrodek Badan Klinicznych

    Bydgoszcz, 85 794, Poland

  • Clintrial s r o

    Prague, 100 00, Czechia

  • Combined Research Orlando

    Orlando, Florida, 32803, United States

  • Conrad Clinical Research

    Edmond, Oklahoma, 73013, United States

  • Corporacio Sanitari Parc Tauli

    Sabadell, 08208, Spain

  • Crystal Comfort s.r.o.

    Vranov nad Topľou, 09301, Slovakia

  • DCC 'Sv. Vrach and Sv. Sv. Kuzma and Damyan', OOD

    Sofia, 1408, Bulgaria

  • DIEX Recherche Sherbrooke Inc

    Sherbrooke, Quebec, J1L 0H8, Canada

  • Diagnostic Consulting Center Mladost - M Varna

    Varna, 9020, Bulgaria

  • Dr Mathe es Tarsa Bt

    Kalocsa, 6300, Hungary

  • Epamed sro

    Košice, 040 11, Slovakia

  • Erie County Medical Center

    Buffalo, New York, 14215, United States

  • Excell Research Inc

    Oceanside, California, 92056, United States

  • Ezy Medical Research

    Miami, Florida, 33175, United States

  • Felicidad Medical Research

    Miami, Florida, 33185, United States

  • Fieve Clinical Research Inc

    New York, New York, 10168, United States

  • Filip Rybakowski Specjalistyczna Praktyka Lekarska

    Poznan, 60-744, Poland

  • Finger Lakes Clinical Research

    Rochester, New York, 14618 1609, United States

  • Florida Research Center Inc.

    Miami, Florida, 33174, United States

  • Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico

    Milan, 20122, Italy

  • Fund. Champalimaud

    Lisbon, 1400 038, Portugal

  • Fundacao Faculdade Regional de Medicina de Sao Jose do Rio Preto Hospital de Base

    São José do Rio Preto, 15090 000, Brazil

  • Fundacion Lennox

    Córdoba, 5000, Argentina

  • Fundacion para el Estudio y Tratamiento de las Enfermedades Mentales

    Buenos Aires, C1133AAH, Argentina

  • Gabinet Lekarski Psychiatryczny Ireneusz Kaczorowski

    Bełchatów, 97-400, Poland

  • Galiz Research

    Hialeah, Florida, 33016, United States

  • Gert Bosch Pretoria South Africa

    Pretoria, 181, South Africa

  • Global Medical Institutes

    Moosic, Pennsylvania, 18507, United States

  • Global Medical Institutes 1

    Miami, Florida, 33125, United States

  • Guangdong Provincial People's Hospital

    Guangzhou, 510060, China

  • Gulfcoast Medical Research Center

    Fort Myers, Florida, 33912, United States

  • Hebei Mental Health Center

    Baoding, 071000, China

  • Hopital Sainte Anne

    Paris, 75674, France

  • Hosp Clinic de Barcelona

    Barcelona, 08036, Spain

  • Hosp Regional Univ de Malaga

    Málaga, 29009, Spain

  • Hosp Univ Vall D Hebron

    Barcelona, 08035, Spain

  • Hosp. Alvaro Cunqueiro

    Vigo, 36312, Spain

  • Hosp. El Bierzo

    Ponferrada, 24404, Spain

  • Hosp. Psiquiatrico Alava

    Vitoria-Gasteiz, 01006, Spain

  • Hosp. Univ. La Paz

    Madrid, 28046, Spain

  • Hosp. Univ. Son Espases

    Palma de Mallorca, 07120, Spain

  • Hospital CUF Inf. Santo

    Lisbon, 1350 179, Portugal

  • Hospital Italiano de Buenos Aires

    Buenos Aires, C1181ACH, Argentina

  • Hospital de Braga

    Braga, 4710-243, Portugal

  • Huzhou third people's Hospital

    Huzhou, 313000, China

  • INSA Instituto de Neurociencias San Agustín

    Buenos Aires, 1900, Argentina

  • Indywidualna Specjalistyczna Praktyka Lekarska Agnieszka Remlinger Molenda

    Suchy Las, 62-002, Poland

  • Inje University Haeundae Paik Hospital

    Busan, 612-030, South Korea

  • Innovative Research of West Florida, Incorporated

    Clearwater, Florida, 33756, United States

  • Institucion Hosp Hestia Palau

    Barcelona, 08025, Spain

  • Institut Neuropsychiatricke pece

    Prague, 186 00, Czechia

  • Institute of Psychiatry

    London, SE5 8AF, United Kingdom

  • Instituto Goiano de Neuropsiquiatria

    Goiânia, 74093 040, Brazil

  • Instituto Medico DAMIC

    Córdoba, 5000, Argentina

  • Instituto Medico de La Fundacion Estudios Clinicos

    Rosario, S2000DEJ, Argentina

  • K2 Medical Research

    Ocoee, Florida, 34761, United States

  • Korea University Anam Hospital

    Seoul, 02841, South Korea

  • Korea University Ansan Hospital

    Gyeonggi-do, 15355, South Korea

  • Kyung Hee University Medical Center

    Seoul, 02447, South Korea

  • LCC Medical Research Institute Inc

    Miami, Florida, 33126, United States

  • Lehigh Center for Clinical Research LLC

    Allentown, Pennsylvania, 18103, United States

  • Liptovska Nemocnica S Poliklinikou Mudr. Ivana Stodolu

    Liptovský Mikuláš, 03123, Slovakia

  • MCB Clinical Research Centers LLC

    Colorado Springs, Colorado, 80910, United States

  • MHC - Sofia, EOOD

    Sofia, 1202, Bulgaria

  • Manhattan Behavioral Medicine

    New York, New York, 10036, United States

  • Medical Center Hera EOOD

    Sofia, 1510, Bulgaria

  • Medical Center Intermedica, OOD

    Sofia, 1680, Bulgaria

  • Medical Center Mentalcare OOD

    Plovdiv, 4004, Bulgaria

  • Medical Center St. Naum

    Sofia, 1113, Bulgaria

  • Medical Research Group of Central Florida

    Orange City, Florida, 32763, United States

  • Medical Services Prague S R O

    Prague, 16000, Czechia

  • Mental Health Center - Rousse

    Rousse, 7003, Bulgaria

  • Mental Health Center - Veliko Tarnovo EOOD

    Veliko Tarnovo, 5000, Bulgaria

  • Meridian International Research

    Miami Gardens, Florida, 33014, United States

  • Michigan Clinical Research Institute

    Ann Arbor, Michigan, 48105, United States

  • Midwest Clinical Research Center

    Dayton, Ohio, 45417, United States

  • Midwest Research Group

    Saint Charles, Missouri, 63304, United States

  • Mlynowamed Specjalistyczny Psychiatryczny Gabinet Lekarski Joanna Lazarczyk

    Bialystok, 15-404, Poland

  • Monroe Biomedical Research

    Monroe, North Carolina, 28112, United States

  • Montefiore Medical Center PRIME

    The Bronx, New York, 10467, United States

  • Moorgreen Hospital

    Southampton, SO30 3JB, United Kingdom

  • NPCRS Nucleo de Pesquisa Clinica do Rio Grande do Sul

    Porto Alegre, 90430001, Brazil

  • Narodni ustav dusevniho zdravi

    Klecany, 25067, Czechia

  • Nemocnica s poliklinikou Prievidza so sidlom v Bojniciach

    Bojnice, 97201, Slovakia

  • NeuropsychiatrieHK, s.r.o.

    Prague, 160 00, Czechia

  • Neuroterapie KH S R O

    Kutná Hora, 284 01, Czechia

  • New Hope Clinical Research

    Charlotte, North Carolina, 28211, United States

  • New Life Medical Research Center, Inc.

    Hialeah, Florida, 33012, United States

  • Next Level Clinical Trials, LLC

    West Covina, California, 91790, United States

  • North Texas Clinical Trials

    Fort Worth, Texas, 76104, United States

  • Northwest Clinical Research Center

    Bellevue, Washington, 98007, United States

  • Obudai Egeszsegugyi Centrum Kft

    Budapest, 1036, Hungary

  • Ospedale San Raffaele

    Milan, Italy

  • Osrodek Badan Klinicznych CROMED

    Poznan, 61-360, Poland

  • Pacific Clinical Research Medical Group

    Upland, California, 91786, United States

  • Pacific Neuropsychiatric Specialists

    Orange, California, 92868, United States

  • Paradigm Research Professionals, LLC

    Oklahoma City, Oklahoma, 73118, United States

  • Patient Priority Clinical Sites LLC

    Cincinnati, Ohio, 45215, United States

  • Peking University Sixth Hospital

    Beijing, 100191, China

  • Peninsula Therapeutic & Research Group

    Frankston, 3199, Australia

  • Pharmax Research Clinic Inc

    Miami, Florida, 33126, United States

  • Praglandia s r o

    Prague, 15000, Czechia

  • ProbarE i Lund AB

    Lund, 22222, Sweden

  • ProbarE i Stockholm AB

    Stockholm, 113 29, Sweden

  • Proscience Research Group

    Culver City, California, 90230, United States

  • Prospective Research Innovations Inc

    Rancho Cucamonga, California, 91730, United States

  • Psychiatric Care and Research Center (PCRC)

    O'Fallon, Missouri, 63368, United States

  • Psychiatric Medicine Associates LLC

    Skokie, Illinois, 60076, United States

  • Psychiatricka Ambulancia Mentum S.R.O.

    Bratislava, 82007, Slovakia

  • Psychiatricka Ambulancia Psycholine S.R.O.

    Rimavská Sobota, 97901, Slovakia

  • Psychiatricka ambulance, MUDr. Marta Holanova

    Brno, 61500, Czechia

  • Psychiatricka ordinace

    Ústí nad Labem, 400 01, Czechia

  • PsychoTech Kft

    Pécs, 7633, Hungary

  • Psychomed-Svatosavsky, s.r.o.

    Banská Bystrica, 97401, Slovakia

  • Pz Duffel

    Duffel, 2570, Belgium

  • Quantum Laboratories

    Pompano Beach, Florida, 33064, United States

  • R and H Clinical Research

    Katy, Texas, 77494, United States

  • Research Network America

    Berwyn, Illinois, 60402, United States

  • Resolution

    Mendoza, M5502AHV, Argentina

  • Revive Research Institute

    Elgin, Illinois, 60123, United States

  • Ruschel Medicina e Pesquisa Clínica Ltda

    Rio de Janeiro, 22270 060, Brazil

  • SPZOZ Uniwersytecki Szpi.Klin. nr 4 UM w Lodzi

    Lodz, 92-215, Poland

  • STAT Research S A

    Buenos Aires, C1013AAB, Argentina

  • SW Biomedical Research LLC

    Tucson, Arizona, 85712, United States

  • Sahlgrenska Universitetssjukhuset

    Gothenburg, 416 85, Sweden

  • Samsung Medical Center

    Seoul, 06351, South Korea

  • Sarkis Clinical Trials

    Gainesville, Florida, 32607, United States

  • Semmelweis Egyetem

    Budapest, 1083, Hungary

  • Seoul National University Hospital

    Seoul, 3080, South Korea

  • Shanghai Mental Health Center

    Shanghai, 200030, China

  • Somerset West Clinical Research Unit

    Strand, 7140, South Africa

  • Sooner Clinical Research

    Oklahoma City, Oklahoma, 73112, United States

  • Specjalistyczna Indywidualna Praktyka Lekarska

    Lodz, 90-009, Poland

  • Specjalistyczny Gabinet Psychiatryczny Kowalkowski Gerard

    Torun, 87 100, Poland

  • Studieenheten Akademiskt Specialistcentrum Stockholm

    Stockholm, 113 61, Sweden

  • Suburban Research Associates

    Media, Pennsylvania, 19063, United States

  • Sunwise Clinical Research

    Lafayette, California, 94549, United States

  • Suzhou Guangji Hospital

    Suzhou, 215003, China

  • Syrentis Clinical Research

    Santa Ana, California, 92705, United States

  • Taipei Medical University

    Taipei, 110, Taiwan

  • Taipei Veterans General Hospital

    Taipei, 11217, Taiwan

  • Tandem Clinical Research

    Marrero, Louisiana, 70072, United States

  • The Alfred Hospital

    Melbourne, 3004, Australia

  • The Catholic University Of Korea St Mary'S Hospital

    Bucheon-si, 420-717, South Korea

  • The Catholic University of Korea Yeouido St. Mary's Hospital

    Seoul, 07345, South Korea

  • The First Affiliated Hospital of Zhengzhou University

    Zhengzhou, 450052, China

  • The First Hospital of Hebei Medical University

    Shijiazhuang, 050031, China

  • The second Xiangya Hospital of Central South University

    Changsha, 410011, China

  • Tianjin Anding Hospital

    Tianjin, 300222, China

  • Tolna Megyei Balassa Janos Korhaz

    Szekszárd, 7100, Hungary

  • Tongji Hospital of Tongji University

    Shanghai, 200065, China

  • Trial Tech Tecnologia em Pesquisas com Medicamentos

    Curitiba, 80240-280, Brazil

  • USF, Department of Psychiatry and Behavioral Neurosciences

    Tampa, Florida, 33613, United States

  • UT Southwestern Medical Center

    Dallas, Texas, 75235-9119, United States

  • Universidade Federal do Ceara Hospital Universitario Walter Cantidio

    Fortaleza, 60430-380, Brazil

  • University of Alabama at Birmingham - The Kirklin Clinic

    Birmingham, Alabama, 35233, United States

  • University of Arizona

    Tucson, Arizona, 85721, United States

  • University of California San Diego Medical Center

    San Diego, California, 92103, United States

  • University of Cincinnati, Dept of Psychiatry & Behavioral Neuroscience

    Cincinnati, Ohio, 45219, United States

  • University of Connecticut Health Center

    Farmington, Connecticut, 06030, United States

  • University of Miami

    Miami Lakes, Florida, 33016, United States

  • University of Pennsylvania - Perelman School of Medicine

    Philadelphia, Pennsylvania, 19104, United States

  • University of Virginia

    Charlottesville, Virginia, 22908, United States

  • Univerzitna nemocnica L. Pasteura Kosice

    Košice, 04190, Slovakia

  • Vertex Clinical Research

    Maitland, Florida, 32751, United States

  • Viking Clinical Research Ltd

    Temecula, California, 92591, United States

  • Vital Care Research

    Miami, Florida, 33122, United States

  • Vitaz

    Sint-Niklaas, 9100, Belgium

  • West China Hospital Sichuan University

    Chengdu, 610041, China

  • West Houston Clinical Research Service

    Bellaire, Texas, 77401, United States

  • Wexner Medical Center at the Ohio State University

    Columbus, Ohio, 43221, United States

  • Wuhan Mental Health Center

    Wuhan, 430022, China

  • Wuhu Hospital of Beijing Anding hospital

    Wuhu, 242407, China

  • XiAn Mental Healthcare Center

    Xi'an, 710061, China

Conditions

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