For volunteers

Healthy volunteer studies in Thailand

22 open studies in the registries that take healthy volunteers and have a site in Thailand.

No phaseStarts 1 Nov 2026
From age 18All sexes500 participants
NCT07817446
Headache and Hormone Use Among Transgender Population in Thailand: A Cross-Sectional Online Study
Bangkok · Chulalongkorn University
Registry updated 14 Sept 2026
Registry record: ClinicalTrials.gov
Phase 4Starts 1 Jan 2026
All sexes6000 participants
NCT07258251
Strengthening Hepatitis B Screening, Linkage to Care and Long-Term Monitoring in Phichit Province, Thailand: A Birth Bohort Approach
Phichit · The Task Force for Global Health
Registry updated 2 Dec 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jul 2026
Ages 18 to 59All sexes93 participants
NCT07880717
Prevalence and Associated Factors of High BMI and Periodontitis in Thai Adults Aged Under 60 Years
Bangkok · Mahidol University
Registry updated 19 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 24 Jun 2026
Ages 35 to 75All sexes251 participants
NCT07865936
Cardiovascular Risk Assessment and Coronary Calcium Score in Thai MASLD Patients
Bangkok · Watcharasak Chotiyaputta
Registry updated 8 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 8 May 2025
Ages 40 to 50Women only64 participants
NCT07855939
Long-term Iron Absorption and Loss in Women
Nakhon Pathom · Mahidol University
Registry updated 2 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Sept 2026
Ages 18 to 25All sexes40 participants
NCT07802080
Effects of Kettlebell Swing Training Combined With Breathing Exercises on Respiratory Muscle Strength and Pulmonary Function in Overweight and Obese Young Adults
Phayao · University of Phayao
Registry updated 3 Sept 2026
Registry record: ClinicalTrials.gov
Phase 3Starts 5 Jun 2024
From age 18Men only524 participants
NCT05813964
Efficacy, Acceptability and Safety of Event-driven HIV PrEP Using TAF/FTC in MSM in Thailand and France.
Chiang Mai, Bangkok, Lampang · ANRS, Emerging Infectious Diseases
Registry updated 2 Sept 2026
Registry record: ClinicalTrials.gov
No phaseStarts 20 Feb 2025
Ages 18 to 29Men only154 participants
NCT06576648
Thailand HIV and Stigma Reduction Study
Bangkok · University of Massachusetts, Worcester
Registry updated 31 Aug 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jul 2011
Ages 18 to 50All sexes232 participants
NCT01397669
Characteristics of Immunity in Gut Mucosa, Spinal Fluid, Lymph Node and Blood of HIV Negative Thais and Thais With HIV Infection
Bangkok · SEARCH Research Foundation
Registry updated 27 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Sept 2025
From age 18All sexes310 participants
NCT07383896
Chronic Obstructive Pulmonary Disease and Asthma in Workers at Navanakorn Industrial Zone, Thailand
Pathum Thani · Thammasat University
Registry updated 17 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 21 Jul 2025
From age 18All sexes140 participants
NCT06845618
Blood Tuberculosis DNA Levels to Monitor Tuberculosis Treatment
Tak · University of Oxford
Registry updated 13 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 15 Apr 2023
From age 18All sexes133 participants
NCT05571735
Immunogenicity of COVID-19 Vaccines in Tuberculosis Patients
Mae Ramat · University of Oxford
Registry updated 13 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 17 Feb 2025
From age 18Men only76 participants
NCT07512869
Host Led Harm Reduction Approach Among Men Who Have Sex With Men Who Engaged in Chemsex in Bangkok, Thailand: A Pre-Implementation Study
Pathum Wan · Institute of HIV Research and Innovation Foundation, Thailand
Registry updated 6 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 May 2024
From age 18All sexes50 participants
NCT07505875
Pre-implementation Study to Develop Trans-tailored Services for Transgender Persons in Relation to chemsEX
Pathum Wan · Institute of HIV Research and Innovation Foundation, Thailand
Registry updated 6 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 2 Jul 2013
From age 16All sexes300000 participants
NCT06741319
Behavioral and Psychosocial Characteristics of Clients Accessing Services at IHRI
Pathum Wan · Institute of HIV Research and Innovation Foundation, Thailand
Registry updated 2 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 15 Mar 2022
From age 18Men only10720 participants
NCT05774548
LA PrEP Impact and Cost-effectiveness (TEAMS)
Chiang Mai, Ubon Ratchathani, Chon Buri, Bangkok, Chiang Rai, Bang Lamung, Hat Yai, Phitsanulok · Institute of HIV Research and Innovation Foundation, Thailand
Registry updated 18 Mar 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Dec 2024
Ages 18 to 80All sexes310 participants
NCT06684782
Prevalence and Characteristics of Restless Leg Syndrome in Thai Patients With Parkinson's Disease
Bangkok · Siriraj Hospital
Registry updated 15 May 2025
Registry record: ClinicalTrials.gov
No phaseStarts 30 Jul 2024
Ages 18 to 100All sexes105 participants
NCT06338696
Thailand ATTR-CM Registry
Khon Kaen, Pathum Thani, Bangkok, Songkhla, Chiang Mai · Mahidol University
Registry updated 8 May 2025
Registry record: ClinicalTrials.gov
No phaseStarts 5 Jun 2024
From age 20All sexes480 participants
NCT05321992
Evaluating a Community-Based Behaviour Change Communication Model to Prevent Cholangiocarcinoma in Khon Kaen, Thailand
Phu Wiang · McMaster University
Registry updated 21 Nov 2024
Registry record: ClinicalTrials.gov
No phaseStarts 24 Aug 2023
From age 35All sexes990 participants
NCT06375213
Investigating Neurocognitive Disorders Epidemiology
Pathum Wan · King Chulalongkorn Memorial Hospital
Registry updated 22 Apr 2024
Registry record: ClinicalTrials.gov
No phaseStarts 4 Jul 2025
From age 60All sexes66 participants
NCT07523672
Effectiveness of a Care Model for Sarcopenic Obesity in Older Adults on Fat Mass, Muscle Mass, Muscle Strength, and Physical Performance
Nakhon Nayok · Srinakharinwirot University
Registry updated 21 Jul 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Dec 2014
From age 18All sexes20000 participants
NCT02437981
Evaluation of PrEP-30: a Demonstration Project of Pre-exposure Prophylaxis for MSM and Other High-risk Group Clients at the Thai Red Cross Anonymous Clinic
Bangkok · Thai Red Cross AIDS Research Centre
Registry updated 25 Nov 2024
Registry record: ClinicalTrials.gov

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