Under $500 Paid Clinical Trials
580 studies
Dietary, survey, and observational studies typically compensate under $500 per participant.
Compensation amounts shown are typical ranges for this study type — not guaranteed amounts. Actual compensation is set by each study sponsor and documented in the informed consent form. ClinicalTrials.gov does not include a structured compensation field.
Showing 61–80 of 580 studies
Recruiting
Not Applicable
Effect of Collavant® n2 in Healthy Male Adults With Exercise-induced Joint Discomfort.
Healthy Adult Male
Bioiberica80 enrolled1 locationNCT07561203
Recruiting
Not Applicable
Virtual Reality Assisted Schema Therapy
Healthy Participants
University Medical Center Groningen30 enrolled1 locationNCT07171736
Recruiting
Not Applicable
Temporal Interference Methods for Non-invasive Deep Brain Stimulation, Study 1.3
Healthy Volunteers
Indiana University30 enrolled1 locationNCT07594795
Recruiting
Not Applicable
Nen ŨnkUmbi/EdaHiYedo Plus (We Are Here Now Plus): a Multi-level Intervention to Reduce Health Disparities Among American Indian Youth
HealthyMental HealthSubstance Use (Drugs, Alcohol)+1 more
Montana State University843 enrolled1 locationNCT07460973
Recruiting
Not Applicable
REM Enhancement Sleep Technology for Well-being, Emotion, and Life Lift
healthy adult participants
George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures360 enrolled2 locationsNCT07589114
Recruiting
Not Applicable
Acute Effects of Jägermeister With Energy Drinks (Jägermbomb)
healthy adult participantsAlcohol DrinkingBinge Alcohol Consumption+1 more
Fundació Institut Germans Trias i Pujol24 enrolled1 locationNCT07588022
Recruiting
Not Applicable
Neural Mechanisms of Light Driven Analgesia
Musculoskeletal PainFibromyalgiaHealthy Controls Group - Age and Sex-matched
University of North Carolina, Chapel Hill60 enrolled1 locationNCT07245303
Recruiting
Not Applicable
Effects of Plant Foods on Gastrointestinal and Cardiometabolic Health
NutritionHealthy Adult Volunteers
King's College London248 enrolled1 locationNCT07586111
Recruiting
Not Applicable
Prediction of Visual Feedback Effects on Speech Motor Adaptation in Healthy Adults
Healthy VolunteersSpeech
New York University40 enrolled1 locationNCT07530900
Recruiting
Not Applicable
Effect of a Nutritional Supplement on Muscle Recovery
Healthy
Wageningen University28 enrolled1 locationNCT07586839
Recruiting
Not Applicable
Artificial Intelligence Delivered Cardiac Magnetic Resonance - Prospective Validation
Cardiovascular DiseasesHealthy Volunteers
Imperial College London150 enrolled1 locationNCT06061822
Recruiting
Not Applicable
African Americans (AA) Communities Speak
Health Knowledge, Attitudes, PracticeHealthy AgingSocial Responsibility+2 more
University of Alabama at Birmingham60 enrolled2 locationsNCT05908487
Recruiting
Not Applicable
A New Portable Device for Non-invasive Ventilatory Support
HealthyRespiratory Disease
Università Vita-Salute San Raffaele50 enrolled3 locationsNCT06716502
Recruiting
Not Applicable
Increasing Physical Activity Through Social Support and Stress Resilience
Sedentary BehaviorHealthySubjective Cognitive Decline (SCD)+1 more
Arizona State University86 enrolled1 locationNCT06896825
Recruiting
Not Applicable
A PET-MRI Study of Serotoninergic Brainstem Pathway in Patients With Dravet Syndrome
EpilepsyDravet SyndromeDrug Resistant Epilepsy+1 more
Hospices Civils de Lyon30 enrolled1 locationNCT07013331
Recruiting
Not Applicable
Effect of Hypoxic Conditioning on Cerebrovascular Health in the Elderly
ExerciseBrain DiseasesCognitive Decline+4 more
University Hospital, Grenoble64 enrolled1 locationNCT05048680
Recruiting
Not Applicable
Telemedicine to Support Living Kidney Donor Candidates
HealthyLiving Kidney Donation
University of California, Irvine70 enrolled1 locationNCT07206069
Recruiting
Not Applicable
Slowly Digestible Carbohydrates for GLP-1 Secretion
Blood GlucoseGLP - 1Satiety+2 more
Purdue University19 enrolled1 locationNCT07572513
Recruiting
Not Applicable
Neuromodulation of Brain and Emotional Responses to Psychological Stress
HealthyAnxiety
University of Pittsburgh55 enrolled1 locationNCT06603064
Recruiting
Not Applicable
The BrainHealth Project
Healthy
The University of Texas at Dallas100,000 enrolled1 locationNCT04869111