Browse clinical trials by research area. From psychedelic studies to vaccine trials, find the type of research that interests you.
Active Trials
Research Areas
Top Sponsors
Psilocybin, MDMA, ketamine, and cannabis research. Phase 1 safety testing for groundbreaking mental health treatments.
Flu, COVID, RSV, and experimental vaccines. The most common studies for healthy volunteers.
GLP-1, semaglutide, and next-gen obesity treatments. High demand as the market explodes.
Probiotics, supplements, and microbiome research. Simpler protocols, shorter commitments.
fMRI, EEG, cognitive testing, and brain stimulation. Research needs healthy brains for comparison.
Phase 1 drug studies from Pfizer, Eli Lilly, Novartis. Highest compensation for healthy volunteers.
Browse all trials or search by location to find studies near you.
GuineaPig pulls live data from ClinicalTrials.gov (NIH/NLM). Pay estimates are approximate ranges based on study type and are not confirmed by sponsors. We do not provide medical advice. Always contact the study team directly to confirm compensation, full eligibility, and risks before enrolling.