Get matched with paid clinical trials and medical studies near you — compensation up to $3,000+. Free to browse.
Find clinical trials →Do you smoke cigarettes and live in the Iselin area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in Iselin. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Do you smoke cigarettes and live in the Chicago area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in Chicago. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Do you smoke cigarettes and live in the Orlando area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in Orlando. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Do you smoke cigarettes and live in the St. Louis area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in St. Louis. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Do you smoke cigarettes and live in the Atlanta area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in Atlanta. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Do you smoke cigarettes and live in the Philadelphia area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in Philadelphia. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Do you smoke cigarettes and live in the Houston area? Adults 21 to 65 who currently smoke are invited to an in-person clinical research study about cigarette and e-cigarette use, starting with a screening and enrollment visit at a research site in Houston. Qualified participants receive $75 for completing the screening visit, and up to $800 in total for completing the full study. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
How do e-commerce brands effectively drive growth and conversions? Participants are invited to a 60-minute online research study about marketing strategies in the e-commerce sector. Qualified participants will receive $100 if completed by November 21, 2026. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
Are you interested in exploring new ideas powered by AI? Participants are invited to a 37-minute online unmoderated task about various innovative concepts. Qualified participants will receive $40 if completed by October 27, 2026. If you are interested in participating, please sign up and take the survey to see if you qualify! Spots are limited and tend to fill fast. Applying doesn't guarantee a slot, and qualification criteria may change at any time without notice.
One averaged range hides most of what matters. These are the formats you'll actually be offered.
| Format | Typical pay | Time | What it involves |
|---|---|---|---|
| Healthy volunteer (early phase) | $2,000–$10,000 | Several days to weeks, often residential | Testing safety and dosing in healthy people, usually with overnight stays on a research unit. Published research on US early-phase trials puts the median payment at roughly $3,000, with most studies falling between a few hundred and $13,000. Worth knowing before you plan around it: the same research found volunteers typically screen for about three studies a year, enrol in one or two, and earn around $4,000 annually — this is the best-paid research a healthy adult can access, but it is not a steady income. |
| Bioequivalence study | $500–$3,000 | 2–4 short stays | Comparing a generic medicine against an established one in healthy volunteers. Shorter than early-phase work and among the more commonly available residential studies. |
| Vaccine trial | $500–$2,000+ | Months, with periodic follow-ups | Healthy volunteers receiving a candidate vaccine or a comparator, then attending follow-up visits and reporting symptoms. Paid per visit rather than as a lump sum. |
| Condition-specific trial | $50–$150 per visit | Months to years | For people who already have the condition being studied, often running alongside your existing care. Compensation covers time and travel; the trial is not a substitute for treatment decisions made with your own doctor. |
| Observational or registry study | $25–$100 per visit | Months to years | No treatment involved — you provide data, questionnaires, or samples over time. Low commitment per occasion and the easiest clinical research to join. |
| Device or imaging study | $75–$300 | 1–3 visits | Non-drug research testing equipment, scans, or diagnostic procedures. Frequently recruits healthy participants as comparison groups. |
You start with a short pre-screen, then a phone call, then a screening visit that usually involves medical history, bloodwork, and sometimes an ECG — that visit is where most people find out they are ineligible, and it may be paid separately or not at all. If you pass, you go through informed consent: a conversation, not just a form, covering what the study involves, what is known about the risks, and what happens if you stop. Every legitimate trial is reviewed by an independent ethics board beforehand, and you can withdraw at any point without giving a reason and without affecting your normal medical care. Compensation is for your time, travel, and inconvenience — it is deliberately not payment for accepting risk, which is why a longer study pays more than a riskier one.
Healthy volunteer studies screen tightly: age bands, a body mass index range, no regular medications, often non-smoking, and no recent participation in another trial. That last one catches people out — sites share registries specifically to stop overlapping enrolment, and there is a required gap between residential studies. Condition-specific trials need a confirmed diagnosis and frequently narrow criteria within it, such as how long you have had it or which treatments you have already tried. Being turned down is common and is not a judgement about you; protocols are written narrowly so results mean something.
No legitimate trial charges you to take part, and none asks you to pay for the study medication. You should always receive a written consent document naming the sponsor, the site, and an ethics board reference before anything begins. Most US trials are listed publicly on ClinicalTrials.gov, so a study that cannot be found there is worth questioning. Be especially cautious about anything marketing an unproven treatment as a 'trial' while asking for payment — that is the inverse of how research works. Talk to your own doctor before joining a trial that involves stopping or changing any medication you take. More on spotting research scams.
Clinical trials pay more than any other research an ordinary person can join, and they ask correspondingly more: medical screening, repeat visits, and sometimes residential stays. If you want the pay without the medical involvement, paid focus groups and market research are the better fit at $75–$300 a session. If you want something you can join with no screening at all, paid surveys are the low-commitment end. Observational and registry studies sit in between — genuinely clinical, but with no treatment involved.
Compensation varies by trial length and requirements, but paid clinical studies commonly pay several hundred to a few thousand dollars. Each listing shows the expected compensation.
Clinical trials are regulated and overseen by review boards. StudySnag links you to recruiters; you'll review the study details and eligibility with the provider before taking part.
Create a free account and browse clinical studies by location and condition. We list trials in major metros plus studies open nationwide.
Eligibility depends on the trial — factors like age, health condition, and location. Many trials also recruit healthy volunteers. You'll see the criteria on each listing.
Free to join. Browse hundreds of paid studies and register in seconds.
Find paid clinical trials