Under $500 Paid Clinical Trials
581 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 201–220 of 581 studies
Recruiting
Not Applicable
Multifocal HD-tDCS and Motor Function
Healthy
University of Michigan40 enrolled1 locationNCT06561165
Recruiting
Not Applicable
Near-InfraRed Spectroscopy of Auricular Stimulation
Healthy Volunteer StudyHealthy Male and Female Subjects
University of Pittsburgh80 enrolled1 locationNCT06825364
Recruiting
Not Applicable
Promotion of Healthy Lifestyle Habits in Primary Care Settings
Healthy Lifestyle
Örebro University, Sweden100 enrolled1 locationNCT05689762
Recruiting
Not Applicable
Pilot Study of a Brain Health Program in Senior Centers
Lifestyle (Sedentary Behavior and Physical Activity)Lifestyle Risk ReductionMemory Loss (Excluding Dementia)+2 more
Massachusetts General Hospital60 enrolled1 locationNCT07424443
Recruiting
Not Applicable
FIRE-Diet: Food as an Intervention to Reduce the Effects of Woodsmoke Exposure on Respiratory Health
Healthy Individuals
University of British Columbia48 enrolled1 locationNCT06711614
Recruiting
Not Applicable
Exercise Approaches and Physical Activity Level in Inactive Adults
Exercise TrainingHealthy ParticipantsInactivity
Biruni University30 enrolled1 locationNCT07411248
Recruiting
Not Applicable
Effects of Variations in Caffeinated Beverages on Well-being
HealthyCaffeineBeverage Intake
GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.75 enrolled1 locationNCT07404254
Recruiting
Not Applicable
Acute Effect of Graded Motor Imagery on Ankle Rehabilitation: A Pilot Study
Ankle instabilityHealthy (Controls)
Istanbul University - Cerrahpasa48 enrolled1 locationNCT07376915
Recruiting
Not Applicable
Standardization of Spatial Neglect Assessment Tests
Healthy VolunteersPerceptual DisordersReference Values
Assistance Publique - Hôpitaux de Paris210 enrolled1 locationNCT07145970
Recruiting
Not Applicable
Temporal Interference Methods for Non-invasive Deep Brain Stimulation, Study 1.1
Healthy Volunteers
Indiana University30 enrolled1 locationNCT07215299
Recruiting
Not Applicable
Temporal Interference Methods for Non-invasive Deep Brain Stimulation, Study 1.2
Healthy Volunteers
Indiana University30 enrolled1 locationNCT07339072
Recruiting
Not Applicable
Diaphragmatic Kinesio Taping With HIIT in Trained Individuals
Healthy VolunteersPostural BalancePhysical Fitness
Agri Ibrahim Cecen University30 enrolled1 locationNCT07390721
Recruiting
Not Applicable
Protein Requirements Amongst Male Masters-Level Athletes Following a Cycling Exercise Bout as Determined by the Indicator Amino Acid Oxidation Technique
HealthyIncreased Metabolic RequirementsDietary Reference Intakes
McGill University8 enrolled1 locationNCT06431334
Recruiting
Not Applicable
A Comparative Intervention Study on Strategies for Fruit Distribution and Awareness Campaigns in Schools
Health Promotionhealthy eatingDietary Habits+3 more
Karolinska Institutet300 enrolled2 locationsNCT07385820
Recruiting
Not Applicable
Milk Free From A1-Type β-Casein on Inflammation, Gastrointestinal Tolerance, and Pregnancy Outcomes
healthy pregnant women
a2 Milk Company Ltd.100 enrolled6 locationsNCT06980376
Recruiting
Not Applicable
Virtual Reality Mirrors Therapy Usability
HealthyStroke
Abant Izzet Baysal University172 enrolled2 locationsNCT07039136
Recruiting
Not Applicable
Language and Lewy Body Diseases: Sentence Comprehension Problems and Modifying Noninvasive Brain Stimulation Treatment
Lewy Body DiseaseHealthy Aging
Masaryk University90 enrolled1 locationNCT05847985
Recruiting
Not Applicable
Evaluation of the Comfort Increase Provided by an Additional Foam Pad on a Lumbar Belt and Its Biophysical Impact
Healthy VolunteerLow Back Pain
Centre Hospitalier Universitaire de Saint Etienne15 enrolled1 locationNCT07355790
Recruiting
Not Applicable
Virtual Reality as a Tool for Training Public Speaking Skills in Higher Education Students
Healthy AdultVoiceSpeech+1 more
University of Liege80 enrolled1 locationNCT07392554
Recruiting
Not Applicable
Effects of the Consumption of Test Product on Urination in Healthy Japanese Adults
Healthy Japanese
Indena S.p.A76 enrolled2 locationsNCT07393126