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 181–200 of 581 studies
Recruiting
Not Applicable
CArdioMEtabolic Function and Reserve Capacity in Healthy Adults: The CAMERA Study
Healthy
Mayo Clinic80 enrolled1 locationNCT06220396
Recruiting
Not Applicable
Motor Language Learning
Healthy Volunteers
Hospices Civils de Lyon1,111 enrolled1 locationNCT03223090
Recruiting
Not Applicable
Effects of Hip-Assist Exoskeleton Torque on Gait Parameters
Healthy VolunteersWearable DevicesBiomechanics+2 more
Yonsei University15 enrolled1 locationNCT07450989
Recruiting
Not Applicable
Explosive Synchronization of Brain Network Activity in Chronic Pain
Healthy VolunteersFibromyalgia
University of Michigan150 enrolled1 locationNCT04606095
Recruiting
Not Applicable
Optimization of the Acquisition Sequence to Improve the Quality and Comfort of Magnetic Resonance Imaging Exam
Healthy SubjectsPatient Performing an MRI Examination
Central Hospital, Nancy, France720 enrolled1 locationNCT04645628
Recruiting
Not Applicable
TMS-Induced LH Response in Healthy Women in Luteal Phase
Healthy Women
The City College of New York10 enrolled1 locationNCT07363421
Recruiting
Not Applicable
From FAST to FAST BEE - Video-Based Stroke Mnemonic Pilot
Healthy
Jubilee Mission Medical College and Research Institute300 enrolled1 locationNCT07440602
Recruiting
Not Applicable
Families Implementing Good Health Traditions for Life
Sedentary BehaviorNutrition, HealthyDiabetes+6 more
Morehouse School of Medicine70 enrolled1 locationNCT07441655
Recruiting
Not Applicable
SweetSpot - The Effect of Non-nutritive Sweeteners on Health
Healthy Adult
Wageningen University60 enrolled1 locationNCT07361406
Recruiting
Not Applicable
Evaluation of the Role of miR-1 in the Pathogenesis and as a Biomarker in Muscular Dystrophies and Congenital Myopathies
Healthy ParticipantsCongenital MyopathiesDystrophia Myotonica 1+1 more
University Hospital, Clermont-Ferrand104 enrolled1 locationNCT07415837
Recruiting
Not Applicable
In Vivo Assessment of Glutamine Utilization by Bone Marrow Plasma Cells
Healthy
Mayo Clinic20 enrolled1 locationNCT03384108
Recruiting
Not Applicable
Effects of Muscle Cooling on Motor Unit Firing of the Quadriceps
Healthy
Wake Forest University24 enrolled1 locationNCT07381920
Recruiting
Not Applicable
Oxytocin's Effects on Emotional Processing and Its Acting Routes
Healthy Adult Male
University of Electronic Science and Technology of China120 enrolled1 locationNCT07425938
Recruiting
Not Applicable
Health Properties of Pecan Nut Consumption
Healthy Adults
University of California, Davis40 enrolled1 locationNCT07227259
Recruiting
Not Applicable
Effect of the Consumption of Milk With Beta-casein A2A2, Milk With Beta-casein A1A2 and a Plant-based Drink on Metabolic Health in Adults: IMPA-CT Study
Healthy Participants
Dawid Madej150 enrolled1 locationNCT07436260
Recruiting
Not Applicable
Neurofeedback to Reduce Spontaneous Recovery of Threat Expectancy
Healthy
Trustees of Princeton University40 enrolled1 locationNCT07122739
Recruiting
Not Applicable
Nicotinamide Mononucleotide Supplementation for Exercise Tolerance Improvement in Healthy Older Adults
FrailtyAgingExercise Tolerance+1 more
Scott Silveira40 enrolled1 locationNCT07144527
Recruiting
Not Applicable
Study to Investigate Vagus Nerve Stimulation to Augment Executive Function in Healthy and Cognitively Impaired Populations
Mild Cognitive Impairment (MCI)Parkinsons Disease (PD)Healthy Adult
University of Colorado, Denver80 enrolled1 locationNCT07424365
Recruiting
Not Applicable
TMS for Cognitive Decline in Aging and Preclinical AD
Cognitive DeclineHealthy AgingProdromal Alzheimer's Disease+1 more
Massachusetts General Hospital80 enrolled1 locationNCT06956300
Recruiting
Not Applicable
Preventive Effect of a Dietary Supplement With Two Probiotic Limosilactobacillus Reuteri Strains on Excessive Crying and Colic in Healthy Newborns.
ColicHealthy infantsEczema Atopic Dermatitis
Universitair Ziekenhuis Brussel768 enrolled1 locationNCT07347743