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| Category | Location | |||||
|---|---|---|---|---|---|---|
| Est. $25 – $500 | Physicians Committee for Responsible Medicine | Diet & Nutrition | Observational | Elmhurst, New York | 2,500 | |
| Est. $25 – $500 | Laval University | Pharma | Observational | Québec | 250 | |
| Est. $25 – $500 | Universitaire Ziekenhuizen KU Leuven | Pharma | Observational | Leuven | 930 | |
| Est. $25 – $500 | Roswell Park Cancer Institute | Psychedelics & Cannabis | Observational | Buffalo, New York | 150 | |
| Est. $50 – $1,000 | RTI International | Pharma | N/A | Durham, North Carolina | 500 | |
| Est. $25 – $500 | University of Cambridge | Weight Loss | Observational | Cambridge | 50 | |
| Est. $1,500 – $12,000 | University of California, San Diego | Psychedelics & Cannabis | Early Phase 1 | La Jolla, California | 100 | |
| Est. $1,500 – $8,000 | Assiut University | Pharma | Phase 1 | Asyut | 100 | |
| Est. $50 – $1,000 | University of Florida | Pharma | N/A | Gainesville, Florida | 164 | |
| Est. $100 – $1,500 | General Committee of Teaching Hospitals and Institutes, Egypt | Weight Loss | Phase 4 | Alexandria | 150 | |
| Est. $500 – $7,000 | VA Office of Research and Development | Diet & Nutrition | Phase 2 | San Francisco, California | 30 | |
| Est. $25 – $500 | Perminder Sachdev | Pharma | Observational | Newcastle, New South Wales | 300 | |
| Est. $50 – $1,000 | The Hong Kong Polytechnic University | Pharma | N/A | Hong Kong | 200 | |
| Est. $1,500 – $12,000 | University of California, Berkeley | Psychedelics & Cannabis | Phase 1 | Berkeley, California | 40 | |
| Est. $1,950 – $18,000 | GlaxoSmithKline | Vaccines | Phase 1 | Scottsdale, Arizona | 142 | |
| Est. $50 – $1,000 | Barry Sandler | Pharma | N/A | Edwards, Colorado | 162 | |
| Est. $25 – $500 | Tabba Heart Institute | Pharma | Observational | Karachi, Sindh | 2,000 | |
| Est. $50 – $1,000 | University of Georgia | Brain & Neuro | N/A | Athens, Georgia | 180 | |
| Est. $200 – $3,000 | Johns Hopkins Bloomberg School of Public Health | Pharma | Phase 3 | Ouagadougou | 3,200 | |
| Est. $1,500 – $12,000 | Glonova Pharma Co., Ltd | Pharma | Phase 1 | Taipei, Da'an District | 56 | |
| Est. $50 – $1,000 | University of Wisconsin, Madison | Pharma | N/A | Madison, Wisconsin | 1,500 | |
| Est. $50 – $1,000 | Centre Psychothérapique de Nancy | Psychedelics & Cannabis | N/A | Laxou, France | 90 | |
| Est. $50 – $1,000 | University of Sao Paulo | Psychedelics & Cannabis | N/A | Ribeirão Preto | 20 | |
| Est. $500 – $7,000 | University of Colorado, Denver | Psychedelics & Cannabis | Phase 2 | Aurora, Colorado | 28 | |
| Est. $50 – $1,000 | Brock University | Diet & Nutrition | N/A | St. Catharines, Ontario | 40 | |
| Est. $50 – $1,000 | King's College London | Psychedelics & Cannabis | N/A | London, Greater London | 100 | |
| Est. $500 – $7,000 | Centre hospitalier de l'Université de Montréal (CHUM) | Pharma | Phase 2 | Vancouver, British Columbia | 440 | |
| Est. $50 – $1,000 | mHealth Systems Inc. | Psychedelics & Cannabis | N/A | Charlotte, North Carolina | 150 | |
| Est. $1,500 – $8,000 | Food and Drug Administration (FDA) | Psychedelics & Cannabis | Phase 1 | West Bend, Wisconsin | 48 | |
| Est. $500 – $7,000 | Yale University | Pharma | Phase 2 | New Haven, Connecticut | 120 | |
| Est. $50 – $1,000 | University of California, Los Angeles | Weight Loss | N/A | Los Angeles, California | 38 | |
| Est. $25 – $500 | Cambridge University Hospitals NHS Foundation Trust | Pharma | Observational | Cambridge | 3,500 | |
| Est. $100 – $1,500 | Margaux M. Salas, PhD | Brain & Neuro | Phase 4 | San Antonio, Texas | 30 | |
| Est. $1,500 – $12,000 | Jennifer Mitchell | Psychedelics & Cannabis | Phase 1 | San Francisco, California | 80 | |
| Est. $1,500 – $12,000 | University of Colorado, Denver | Psychedelics & Cannabis | Phase 1 | San Francisco, California | 40 | |
| Est. $1,500 – $12,000 | Keith M Vogt | Brain & Neuro | Early Phase 1 | Pittsburgh, Pennsylvania | 60 | |
| Est. $50 – $1,000 | Hasanuddin University | Diet & Nutrition | N/A | Kendari, South East Sulawesi | 12 | |
| Est. $1,500 – $12,000 | University of Pennsylvania | Pharma | Phase 1 | Philadelphia, Pennsylvania | 100 | |
| Est. $50 – $1,000 | University of Copenhagen | Pharma | N/A | Copenhagen | 10 | |
| Est. $25 – $500 | Western University, Canada | Psychedelics & Cannabis | Observational | London, Ontario | 200 | |
| Est. $50 – $1,000 | Riphah International University | Pharma | N/A | Islamabad, Punjab Province | 80 | |
| Est. $1,500 – $12,000 | Johns Hopkins University | Psychedelics & Cannabis | Phase 1 | Baltimore, Maryland | 100 | |
| Est. $50 – $1,000 | Centre for Addiction and Mental Health | Psychedelics & Cannabis | N/A | Toronto, Ontario | 60 | |
| Est. $50 – $1,000 | Instituto de Desarrollo e Investigaciones Pediátricas Prof. Dr. Fernando E. Viteri | Diet & Nutrition | N/A | La Plata, Buenos Aires | 120 | |
| Est. $50 – $1,000 | American University of Beirut Medical Center | Weight Loss | N/A | Beirut, Riad El Solh | 60 | |
| Est. $25 – $500 | University of Oxford | Pharma | Observational | Oxford | 90 | |
| Est. $50 – $1,000 | University of Virginia | Pharma | N/A | Christiansburg, Virginia | 744 | |
| Est. $50 – $1,000 | Simon Fraser University | Pharma | N/A | Burnaby, British Columbia | 20 | |
| Est. $25 – $500 | L. Cinnamon Bidwell | Psychedelics & Cannabis | Observational | Boulder, Colorado | 64 | |
| Est. $50 – $1,000 | Australian Catholic University | Diet & Nutrition | N/A | Fitzroy, Victoria | 20 | |
| Est. $2,500 – $12,000 | Tongji Hospital | Pharma | Early Phase 1 | Wuhan, Hubei | 30 | |
| Est. $1,500 – $12,000 | ANRS, Emerging Infectious Diseases | Vaccines | Phase 1 / Phase 2 | Dijon | 238 | |
| Est. $25 – $500 | University of Central Florida | Pharma | Observational | Orlando, Florida | 60 | |
| Est. $1,500 – $12,000 | Nanjing Leads Biolabs Co.,Ltd | Pharma | Phase 1 | Bengbu, Anhui | 112 | |
| Est. $25 – $500 | Johns Hopkins University | Vaccines | Observational | Baltimore, Maryland | 300 | |
| Est. $100 – $1,500 | Duke University | Pharma | Phase 4 | Oakland, California | 524 | |
| Est. $1,500 – $12,000 | Jiangsu Hansoh Pharmaceutical Co., Ltd. | Diet & Nutrition | Phase 1 | Hangzhou, Zhejiang | 142 | |
| Est. $25 – $500 | Assistance Publique - Hôpitaux de Paris | Vaccines | Observational | Paris | 115 | |
| Est. $25 – $500 | VA Office of Research and Development | Psychedelics & Cannabis | Observational | Portland, Oregon | 400,000 | |
| Est. $25 – $500 | M.D. Anderson Cancer Center | Vaccines | Observational | Houston, Texas | 80 | |
| Est. $1,500 – $12,000 | Shanghai Argo Biopharmaceutical Co., Ltd. | Pharma | Phase 1 | Adelaide, South Australia | 60 | |
| Est. $25 – $500 | Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico | Vaccines | Observational | Milan | 146 | |
| Est. $260 – $4,500 | Sanofi | Vaccines | Phase 3 | Fayetteville, Arkansas | 2,195 | |
| Est. $100 – $1,500 | University Ghent | Vaccines | Phase 4 | Ghent | 250 | |
| Est. $1,500 – $12,000 | Jade Biosciences, Inc. | Vaccines | Phase 1 | Glendale, California | 40 | |
| Est. $200 – $3,000 | NPO Petrovax | Vaccines | Phase 3 | Kirov | 240 | |
| Est. $500 – $7,000 | Sanaria Inc. | Vaccines | Phase 2 | Bamako | 300 | |
| Est. $500 – $7,000 | City of Hope Medical Center | Vaccines | Phase 2 | Duarte, California | 216 | |
| Est. $500 – $7,000 | International AIDS Vaccine Initiative | Vaccines | Phase 2 | Kisumu | 5,500 | |
| Est. $25 – $500 | Hadassah Medical Organization | Vaccines | Observational | Jerusalem | 1,000 | |
| Est. $1,500 – $12,000 | National Institute of Allergy and Infectious Diseases (NIAID) | Vaccines | Phase 1 | Baltimore, Maryland | 90 | |
| Est. $1,500 – $12,000 | Jiangsu BioJeTay Biotechnology Co., Ltd. | Pharma | Phase 1 / Phase 2 | Bengbu, Anhui | 56 | |
| Est. $500 – $5,000 | University of Oxford | Vaccines | Phase 2 | Nanoro | 40 | |
| Est. $50 – $1,000 | Institut Pasteur | Vaccines | N/A | Paris | 38 | |
| Est. $50 – $1,000 | Institut Pasteur | Vaccines | N/A | Paris | 270 | |
| Est. $1,500 – $12,000 | Sanaria Inc. | Vaccines | Phase 1 | Tübingen | 58 | |
| Est. $100 – $1,500 | Oswaldo Cruz Foundation | Vaccines | Phase 4 | Rio de Janeiro | 400 | |
| Est. $25 – $500 | Shanghai Bovax Biotechnology Co., Ltd. | Vaccines | Observational | Yangchun, Guangdong | 600 | |
| Est. $1,950 – $18,000 | GlaxoSmithKline | Vaccines | Phase 1 | Bloemfontein | 196 | |
| Est. $260 – $4,500 | Pfizer | Vaccines | Phase 3 | Athens, Alabama | 32,000 | |
| Est. $50 – $1,000 | Health Poverty Action | Vaccines | N/A | Muang Sing, Province | 700 | |
| Est. $25 – $500 | University of Bern | Vaccines | Observational | Bern | 200 | |
| Est. $500 – $7,000 | EyeGene Inc. | Vaccines | Phase 2 / Phase 3 | Seoul | 1,123 | |
| Est. $25 – $500 | Stanford University | Vaccines | Observational | Palo Alto, California | 230 | |
| Est. $1,500 – $12,000 | Sinocelltech Ltd. | Vaccines | Phase 1 / Phase 2 | Langfang, Hebei | 480 | |
| Est. $200 – $3,000 | Sinovac Biotech Co., Ltd | Vaccines | Phase 3 | Nanning, Guangxi | 880 | |
| Est. $1,500 – $12,000 | Sinovac Life Sciences Co., Ltd. | Vaccines | Phase 1 | Jinan, Shandong | 180 | |
| Est. $50 – $1,000 | University of Colorado, Denver | Vaccines | N/A | Denver, Colorado | 1,000 | |
| Est. $50 – $1,000 | University Medical Centre Ljubljana | Vaccines | N/A | Ljubljana, Municipality of Domžale | 500 | |
| Est. $1,500 – $12,000 | TrueLab Biopharmaceutical Co., Ltd | Pharma | Phase 1 | Perth, Western Australia | 48 | |
| Est. $25 – $500 | CorEvitas | Vaccines | Observational | Wilmington, North Carolina | 2,062 | |
| Est. $25 – $500 | National Institute of Allergy and Infectious Diseases (NIAID) | Vaccines | Observational | Bethesda, Maryland | 1,500 | |
| Est. $50 – $1,000 | Centre Leon Berard | Vaccines | N/A | Saint-Priest | 1,422 | |
| Est. $1,500 – $12,000 | Kara Chew | Vaccines | Phase 1 / Phase 2 | Los Angeles, California | 80 | |
| Est. $1,500 – $12,000 | Ausper Biopharma Co., Ltd. | Pharma | Phase 1 | Ch’ang-ch’un, Jilin | 110 | |
| Est. $50 – $1,000 | University of Pennsylvania | Vaccines | N/A | Lagos | 3,340 | |
| Est. $200 – $3,000 | National Vaccine and Serum Institute, China | Vaccines | Phase 3 | Hechi, Guangxi | 13,500 | |
| Est. $100 – $1,500 | Emory University | Vaccines | Phase 4 | Atlanta, Georgia | 90 | |
| Est. $25 – $500 | Children's Hospital of Chongqing Medical University | Vaccines | Observational | Chongqing, Chongqing Municipality | 180 | |
| Est. $50 – $1,000 | Johns Hopkins University | Weight Loss | N/A | Baltimore, Maryland | 210 | |
| Est. $25 – $500 | Istituti Clinici Scientifici Maugeri SpA | Diet & Nutrition | Observational | Pavia, PV | 84 | |
| Est. $50 – $1,000 | University of California, Los Angeles | Weight Loss | N/A | Los Angeles, California | 30 | |
| Est. $1,500 – $12,000 | University of Cincinnati | Pharma | Early Phase 1 | Cincinnati, Ohio | 61 | |
| Est. $25 – $500 | University of North Carolina, Chapel Hill | Pharma | Observational | Chapel Hill, North Carolina | 60 | |
| Est. $25 – $500 | Bavarian Cancer Registry | Brain & Neuro | Observational | Nuremberg, Bavaria | 14,250 | |
| Est. $50 – $1,000 | The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School | Weight Loss | N/A | Nanjing, Jiangsu | 60 | |
| Est. $25 – $500 | IBSA Farmaceutici Italia Srl | Pharma | Observational | Villeurbanne, Lyon | 164 | |
| Est. $25 – $500 | Midwest Biomedical Research | Pharma | Observational | Kansas City, Missouri | 3,000 | |
| Est. $50 – $1,000 | Centre for Addiction and Mental Health | Brain & Neuro | N/A | Toronto, Ontario | 20 | |
| Est. $50 – $1,000 | Nordsjaellands Hospital | Pharma | N/A | Hillerød, Capital Region | 700 | |
| Est. $50 – $1,000 | University of Virginia | Weight Loss | N/A | Charlottesville, Virginia | 60 | |
| Est. $50 – $1,000 | Istituto per la Ricerca e l'Innovazione Biomedica | Pharma | N/A | Messina | 200 | |
| Est. $50 – $1,000 | Ball State University | Weight Loss | N/A | Muncie, Indiana | 20 | |
| Est. $50 – $1,000 | University of Alabama at Birmingham | Diet & Nutrition | N/A | Birmingham, Alabama | 45 | |
| Est. $25 – $500 | University of Iceland | Pharma | Observational | Reykjavik, Hofudborgarsvaedid | 250 | |
| Est. $50 – $1,000 | Universidad Nacional de Caaguazu | Weight Loss | N/A | Coronel Oviedo | 100 | |
| Est. $1,500 – $12,000 | Gilead Sciences | Weight Loss | Phase 1 | Miami, Florida | 134 | |
| Est. $50 – $1,000 | Juliana CN Chan | Weight Loss | N/A | Hong Kong | 9,000 | |
| Est. $50 – $1,000 | Columbia University | Weight Loss | N/A | New York, New York | 42 | |
| Est. $50 – $1,000 | San Diego State University | Weight Loss | N/A | San Diego, California | 30 | |
| Est. $50 – $1,000 | University Hospital, Gentofte, Copenhagen | Weight Loss | N/A | Hellerup, Capital Region | 18 | |
| Est. $25 – $500 | University of Alicante | Diet & Nutrition | Observational | Alicante, Alicante | 122 | |
| Est. $50 – $1,000 | Union de Gestion des Etablissements des Caisses d'Assurance Maladie - Nord Est | Brain & Neuro | N/A | Nancy | 228 | |
| Est. $33 – $750 | Pfizer | Pharma | Observational | New York, New York | 400 | |
| Est. $50 – $1,000 | Penn State University | Weight Loss | N/A | University Park, Pennsylvania | 770 | |
| Est. $50 – $1,000 | Vrije Universiteit Brussel | Brain & Neuro | N/A | Brussels | 60 | |
| Est. $25 – $500 | Center for Epidemiology and Health Research, Germany | Pharma | Observational | Berlin, State of Berlin | 101,000 | |
| Est. $50 – $1,000 | University of South Carolina | Weight Loss | N/A | Columbia, South Carolina | 60 | |
| Est. $1,500 – $12,000 | Vanderbilt University Medical Center | Pharma | Phase 1 | Nashville, Tennessee | 60 | |
| Est. $25 – $500 | Heartland Health Research Alliance | Pharma | Observational | Indianapolis, Indiana | 2,600 | |
| Est. $50 – $1,000 | Esbjerg Hospital - University Hospital of Southern Denmark | Weight Loss | N/A | Esbjerg | 12 | |
| Est. $100 – $1,500 | Madigan Army Medical Center | Weight Loss | Phase 4 | Tacoma, Washington | 260 | |
| Est. $100 – $1,500 | University of California, San Diego | Pharma | Phase 4 | San Diego, California | 276 | |
| Est. $25 – $500 | University of Leipzig | Weight Loss | Observational | Leipzig, Saxony | 3,000 | |
| Est. $50 – $1,000 | Al-Zaytoonah University of Jordan | Diet & Nutrition | N/A | Cairo | 60 | |
| Est. $25 – $500 | Universidad de Murcia | Weight Loss | Observational | Murcia, Murcia | 5,788 | |
| Est. $100 – $1,500 | The University of Texas Health Science Center at San Antonio | Weight Loss | Phase 4 | San Antonio, Texas | 78 | |
| Est. $25 – $500 | Insel Gruppe AG, University Hospital Bern | Weight Loss | Observational | Bern | 2,000 | |
| Est. $50 – $1,000 | University of Illinois at Urbana-Champaign | Diet & Nutrition | N/A | Urbana, Illinois | 30 | |
| Est. $50 – $1,000 | University of Louisville | Diet & Nutrition | N/A | Louisville, Kentucky | 300 | |
| Est. $50 – $1,000 | Pennington Biomedical Research Center | Weight Loss | N/A | Baton Rouge, Louisiana | 12 | |
| Est. $25 – $500 | Science Valley Research Institute | Psychedelics & Cannabis | Observational | São Paulo | 1,592 | |
| Est. $25 – $500 | North-West University, South Africa | Psychedelics & Cannabis | Observational | Mthatha, Eastern Cape | 22,464 | |
| Est. $500 – $7,000 | Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd. | Weight Loss | Phase 2 | Nanjing | 240 | |
| Est. $50 – $1,000 | Instituto de Cardiologia do Rio Grande do Sul | Weight Loss | N/A | Porto Alegre, Rio Grande do Sul | 64 | |
| Est. $25 – $500 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Weight Loss | Observational | Washington D.C., District of Columbia | 930 | |
| Est. $25 – $500 | First Affiliated Hospital of Zhejiang University | Diet & Nutrition | Observational | Hangzhou, Zhejiang | 200 | |
| Est. $50 – $1,000 | Korea University Anam Hospital | Pharma | N/A | Seoul, Seoul | 130 | |
| Est. $50 – $1,000 | United States Army Research Institute of Environmental Medicine | Pharma | N/A | Natick, Massachusetts | 15 | |
| Est. $50 – $1,000 | Universität des Saarlandes | Diet & Nutrition | N/A | Homburg, Saarland | 150 | |
| Est. $50 – $1,000 | University of Bath | Diet & Nutrition | N/A | Bath, Somerset | 315 | |
| Est. $1,500 – $12,000 | Enanta Pharmaceuticals, Inc | Diet & Nutrition | Phase 1 | San Antonio, Texas | 98 | |
| Est. $25 – $500 | Nanfang Hospital, Southern Medical University | Pharma | Observational | Guangzhou, Guangdong | 10,000 | |
| Est. $50 – $1,000 | Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement | Pharma | N/A | Dijon | 330 | |
| Est. $50 – $1,000 | Pusan National University Yangsan Hospital | Pharma | N/A | Yangsan | 80 | |
| Est. $50 – $1,000 | Cornell University | Pharma | N/A | Tamale | 2,267 | |
| Est. $50 – $1,000 | Poznan University of Physical Education | Pharma | N/A | Poznan | 300 | |
| Est. $50 – $1,000 | University of Cagliari | Diet & Nutrition | N/A | Monserrato, Cagliari | 105 | |
| Est. $50 – $1,000 | National Taiwan Normal University | Pharma | N/A | Taipei | 20 | |
| Est. $200 – $3,000 | Cairo University | Pharma | Phase 3 | Cairo, El Manial | 100 | |
| Est. $50 – $1,000 | Fytexia | Pharma | N/A | Madrid, Madrid | 50 | |
| Est. $50 – $1,000 | Alfonso Magliacano | Brain & Neuro | N/A | Sant'Angelo dei Lombardi, AV | 10 | |
| Est. $500 – $7,000 | National Institute of Allergy and Infectious Diseases (NIAID) | Pharma | Phase 2 | Bethesda, Maryland | 120 | |
| Est. $50 – $1,000 | KTO Karatay University | Diet & Nutrition | N/A | Konya | 60 | |
| Est. $200 – $3,000 | Tongji Hospital | Diet & Nutrition | Phase 3 | Wuhan, Hubei | 424 | |
| Est. $25 – $500 | International Agency for Research on Cancer | Pharma | Observational | Barretos | 3,000 | |
| Est. $25 – $500 | The University of Hong Kong | Pharma | Observational | Hong Kong | 500 | |
| Est. $500 – $7,000 | Assistance Publique - Hôpitaux de Paris | Diet & Nutrition | Phase 2 | Paris | 45 | |
| Est. $25 – $500 | Peking Union Medical College Hospital | Pharma | Observational | Beijing, Beijing Municipality | 33 | |
| Est. $100 – $1,500 | Weill Medical College of Cornell University | Diet & Nutrition | Phase 4 | New York, New York | 20 | |
| Est. $50 – $1,000 | Mayo Clinic | Brain & Neuro | N/A | Rochester, Minnesota | 147 | |
| Est. $50 – $1,000 | University of Alabama at Birmingham | Pharma | N/A | Birmingham, Alabama | 100 | |
| Est. $50 – $1,000 | Radicle Science | Brain & Neuro | N/A | Del Mar, California | 990 | |
| Est. $50 – $1,000 | SF Research Institute, Inc. | Diet & Nutrition | N/A | San Francisco, California | 30 | |
| Est. $50 – $1,000 | Weill Medical College of Cornell University | Diet & Nutrition | N/A | Pune, Maharashtra | 330 | |
| Est. $25 – $500 | Johns Hopkins Bloomberg School of Public Health | Pharma | Observational | Baltimore, Maryland | 40 | |
| Est. $50 – $1,000 | University of Nebraska Lincoln | Diet & Nutrition | N/A | Lincoln, Nebraska | 240 | |
| Est. $50 – $1,000 | Miguel O'Ryan Gallardo | Pharma | N/A | Coyhaique | 500 | |
| Est. $50 – $1,000 | University of New Brunswick | Diet & Nutrition | N/A | Fredericton, New Brunswick | 72 | |
| Est. $1,500 – $12,000 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Diet & Nutrition | Phase 1 | Phoenix, Arizona | 60 | |
| Est. $50 – $1,000 | Women's Hospital School Of Medicine Zhejiang University | Pharma | N/A | Hangzhou, Zhejiang | 1,074 | |
| Est. $50 – $1,000 | Finzelberg GmbH & Co. KG | Diet & Nutrition | N/A | Gdansk, GDANSK | 66 | |
| Est. $100 – $1,500 | Rigshospitalet, Denmark | Brain & Neuro | Phase 4 | Copenhagen | 60 | |
| Est. $50 – $1,000 | Shirley Ryan AbilityLab | Brain & Neuro | N/A | Chicago, Illinois | 60 | |
| Est. $50 – $1,000 | Centre Hospitalier Universitaire de Saint Etienne | Pharma | N/A | Saint-Etienne, France | 33 | |
| Est. $50 – $1,000 | Johns Hopkins University | Brain & Neuro | N/A | Baltimore, Maryland | 100 | |
| Est. $50 – $1,000 | National Health Research Institutes, Taiwan | Brain & Neuro | N/A | New Taipei City | 124 | |
| Est. $25 – $500 | Spaulding Rehabilitation Hospital | Brain & Neuro | Observational | Charlestown, Massachusetts | 40 | |
| Est. $50 – $1,000 | Yeditepe University | Brain & Neuro | N/A | Istanbul | 45 | |
| Est. $25 – $500 | National Institute of Allergy and Infectious Diseases (NIAID) | Brain & Neuro | Observational | Bethesda, Maryland | 350 | |
| Est. $50 – $1,000 | University Hospital, Montpellier | Brain & Neuro | N/A | Montpellier, Hérault | 120 | |
| Est. $50 – $1,000 | University of Nottingham | Brain & Neuro | N/A | Nottingham, Nottinghamshire | 30 | |
| Est. $50 – $1,000 | University of Alabama at Birmingham | Brain & Neuro | N/A | Birmingham, Alabama | 110 | |
| Est. $50 – $1,000 | Aristotle University Of Thessaloniki | Brain & Neuro | N/A | Thessaloniki, Central Macedonia | 180 | |
| Est. $50 – $1,000 | Abant Izzet Baysal University | Pharma | N/A | Bolu, Merkez | 172 | |
| Est. $50 – $1,000 | University of Pittsburgh | Pharma | N/A | Pittsburgh, Pennsylvania | 450 | |
| Est. $500 – $7,000 | Douglas Mental Health University Institute | Pharma | Phase 2 | Montreal, Quebec | 240 | |
| Est. $25 – $500 | David Okonkwo, MD, PhD | Brain & Neuro | Observational | Pittsburgh, Pennsylvania | 300 | |
| Est. $50 – $1,000 | University of Pittsburgh | Pharma | N/A | Ann Arbor, Michigan | 600 | |
| Est. $50 – $1,000 | Washington University School of Medicine | Brain & Neuro | N/A | St Louis, Missouri | 120 | |
| Est. $25 – $500 | Fondation Ophtalmologique Adolphe de Rothschild | Pharma | Observational | Ivry-sur-Seine | 150 | |
| Est. $50 – $1,000 | University of Michigan | Pharma | N/A | Detroit, Michigan | 328 | |
| Est. $50 – $1,000 | Children's Hospital Los Angeles | Pharma | N/A | Los Angeles, California | 16 | |
| Est. $50 – $1,000 | University of Pennsylvania | Pharma | N/A | Philadelphia, Pennsylvania | 476 | |
| Est. $50 – $1,000 | UConn Health | Pharma | N/A | Dallas, Texas | 248 | |
| Est. $25 – $500 | Peking University Shenzhen Hospital | Brain & Neuro | Observational | Shenzhen, Guangdong | 340 | |
| Est. $25 – $500 | Bjorn H. Ebdrup | Pharma | Observational | Glostrup Municipality | 75 | |
| Est. $25 – $500 | Heikki Löppönen | Brain & Neuro | Observational | Helsinki | 256 | |
| Est. $50 – $1,000 | Universidad de Zaragoza | Brain & Neuro | N/A | Zaragoza, Zaragoza | 90 | |
| Est. $25 – $500 | Xuanwu Hospital, Beijing | Pharma | Observational | Beijing, Beijing Municipality | 200 | |
| Est. $1,500 – $12,000 | Columbia University | Pharma | Early Phase 1 | New York, New York | 92 | |
| Est. $50 – $1,000 | VA Boston Healthcare System | Brain & Neuro | N/A | Boston, Massachusetts | 100 | |
| Est. $50 – $1,000 | University of Kansas Medical Center | Brain & Neuro | N/A | Kansas City, Kansas | 70 | |
| Est. $25 – $500 | Vastra Gotaland Region | Pharma | Observational | Gothenburg | 340 | |
| Est. $50 – $1,000 | University of California, Davis | Brain & Neuro | N/A | Sacramento, California | 75 | |
| Est. $25 – $500 | Technical University of Munich | Brain & Neuro | Observational | München | 100 | |
| Est. $25 – $500 | Instituto Valenciano de Infertilidad, IVI VALENCIA | Pharma | Observational | Valencia, Valencia | 900 | |
| Est. $25 – $500 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | Pharma | Observational | Amsterdam, North Holland | 50 | |
| Est. $50 – $1,000 | Wageningen University | Pharma | N/A | Wageningen, Gelderland | 26 | |
| Est. $50 – $1,000 | Hearts for Hearing | Pharma | N/A | Edmond, Oklahoma | 160 | |
| Est. $1,500 – $8,000 | RemeGen Co., Ltd. | Pharma | Phase 1 | Guiyang, Guizhou | 248 | |
| Est. $50 – $1,000 | Atlas University | Pharma | N/A | Istanbul | 40 | |
| Est. $25 – $500 | Cairo University | Pharma | Observational | Cairo | 14,645 | |
| Est. $500 – $7,000 | Grupo Espanol Multidisciplinario del Cancer Digestivo | Pharma | Phase 2 | Palma de Mallorca, Balearic Islands | 45 | |
| Est. $50 – $1,000 | National Defense Medical University, Taiwan | Pharma | N/A | Taipei | 40 | |
| Est. $25 – $500 | Dipan Shah | Pharma | Observational | Houston, Texas | 100,000 | |
| Est. $25 – $500 | Institut National de la Santé Et de la Recherche Médicale, France | Pharma | Observational | Paris | 2,400 | |
| Est. $25 – $500 | IRCCS San Raffaele | Pharma | Observational | Milan, Lombardy | 15,000 | |
| Est. $25 – $500 | I.M. Sechenov First Moscow State Medical University | Pharma | Observational | Moscow | 1,200 | |
| Est. $25 – $500 | Centre Hospitalier Universitaire Dijon | Pharma | Observational | Besançon | 200 | |
| Est. $50 – $1,000 | University of Miami | Pharma | N/A | Miami, Florida | 20,400 | |
| Est. $50 – $1,000 | University of Alabama at Birmingham | Pharma | N/A | Birmingham, Alabama | 80 | |
| Est. $1,500 – $12,000 | Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | Pharma | Early Phase 1 | Wuhan, Hubei | 100 | |
| Est. $25 – $500 | Insel Gruppe AG, University Hospital Bern | Pharma | Observational | Bern | 800 | |
| Est. $50 – $1,000 | Riphah International University | Pharma | N/A | Malakand, Kpk | 56 | |
| Est. $50 – $1,000 | University of Nevada, Las Vegas | Brain & Neuro | N/A | Las Vegas, Nevada | 90 | |
| Est. $50 – $1,000 | Instituto do Cancer do Estado de São Paulo | Pharma | N/A | São Paulo, São Paulo | 1,000 | |
| Est. $50 – $1,000 | University Hospital, Grenoble | Pharma | N/A | La Tronche | 23 | |
| Est. $50 – $1,000 | Uskudar University | Pharma | N/A | Istanbul | 50 | |
| Est. $25 – $500 | Universitaire Ziekenhuizen KU Leuven | Pharma | Observational | Leuven | 1,000 | |
| Est. $50 – $1,000 | National Cheng-Kung University Hospital | Pharma | N/A | Tainan, Taiwan | 100 | |
| Est. $50 – $1,000 | University of St.Gallen | Pharma | N/A | Sankt Gallen, Canton of St. Gallen | 200 | |
| Est. $25 – $500 | Chang Gung Memorial Hospital | Pharma | Observational | Taoyuan | 40 | |
| Est. $25 – $500 | Herlev and Gentofte Hospital | Pharma | Observational | Gentofte Municipality | 1,800 | |
| Est. $25 – $500 | University Hospital Schleswig-Holstein | Pharma | Observational | Kiel | 1,000 | |
| Est. $1,500 – $12,000 | Jiangsu Simcere Pharmaceutical Co., Ltd. | Pharma | Phase 1 | Jinan, Shandong | 72 | |
| Est. $25 – $500 | University Hospitals of Derby and Burton NHS Foundation Trust | Brain & Neuro | Observational | Derby | 10 | |
| Est. $25 – $500 | Hellenic Institute for the Study of Sepsis | Pharma | Observational | Athens | 345 | |
| Est. $25 – $500 | Rania Mamdouh Elkafoury | Pharma | Observational | Tanta, Gharbyea | 1,000 | |
| Est. $25 – $500 | University of Michigan | Pharma | Observational | Ann Arbor, Michigan | 15,000 | |
| Est. $25 – $500 | N5 Sensors | Pharma | Observational | Everett, Washington | 60 | |
| Est. $25 – $500 | University of North Texas Health Science Center | Pharma | Observational | Fort Worth, Texas | 10,000 | |
| Est. $50 – $1,000 | Sehat Medical Complex | Pharma | N/A | Lahore, Punjab Province | 34 | |
| Est. $25 – $500 | Universitaire Ziekenhuizen KU Leuven | Pharma | Observational | Leuven | 300 | |
| Est. $50 – $1,000 | Seoul National University Bundang Hospital | Pharma | N/A | Seongnam-si, Gyeonggi-do | 100 | |
| Est. $25 – $500 | Fondazione IRCCS Policlinico San Matteo di Pavia | Pharma | Observational | Pavia, Pavia | 10 | |
| Est. $50 – $1,000 | Northwestern University | Pharma | N/A | Chicago, Illinois | 578 | |
| Est. $50 – $1,000 | University of Campania Luigi Vanvitelli | Pharma | N/A | Naples | 30 | |
| Est. $50 – $1,000 | Riphah International University | Pharma | N/A | Lahore, Punjab Province | 22 | |
| Est. $25 – $500 | University of Castilla-La Mancha | Pharma | Observational | Toledo | 90 | |
| Est. $25 – $500 | Assiut University | Pharma | Observational | Asyut, Asyut Governorate | 110 | |
| Est. $25 – $500 | National Taiwan University Hospital | Pharma | Observational | Taipei | 40 | |
| Est. $50 – $1,000 | University of Central Florida | Pharma | N/A | Orlando, Florida | 30 | |
| Est. $50 – $1,000 | Columbia University | Pharma | N/A | Buenos Aires, Buenos Aires F.D. | 60 | |
| Est. $1,500 – $12,000 | Atavistik Bio, Inc | Pharma | Phase 1 / Phase 2 | Boston, Massachusetts | 100 | |
| Est. $50 – $1,000 | Beijing Tsinghua Chang Gung Hospital | Pharma | N/A | Beijing, Beijing Municipality | 60,000 | |
| Est. $25 – $500 | University Hospital of Cologne | Pharma | Observational | Cologne | 75 | |
| Est. $1,500 – $12,000 | Cellcolabs Clinical LTD. | Pharma | Phase 1 / Phase 2 | Nassau, The Bahamas | 100 |
Data from ClinicalTrials.gov (NIH/NLM). Pay estimates are approximate and not confirmed by sponsors. We do not provide medical advice. Always contact the study team directly to confirm compensation, eligibility, and risks.
Psilocybin, MDMA, ketamine, and cannabis studies recruiting healthy volunteers. Psychedelic research is expanding rapidly with university and pharma sponsors.
Flu, COVID, RSV, and experimental vaccine trials. Vaccine studies are among the most common opportunities for healthy adult volunteers.
GLP-1, semaglutide, and next-generation obesity drug studies. The weight loss drug market is booming and trials need healthy volunteers for Phase 1 testing.
Probiotics, supplements, microbiome, and dietary intervention studies. Often shorter commitments with simpler protocols than drug studies.
fMRI, EEG, cognitive testing, sleep, and neurostimulation research. Neuroscience labs need healthy brains for comparison studies and imaging.
Phase 1 first-in-human trials from Pfizer, Eli Lilly, Novartis, and more. These pay the most and are the backbone of healthy volunteer research.