Clinical trials have quietly become one of the more lucrative ways to earn extra income while contributing to medical research — and for the right study, the payout can be substantial. Compensation isn’t a reward for risk; it’s designed to cover your time, travel, and the inconvenience of study visits or residential stays. But depending on the phase, condition, and length of the study, that compensation can range from a modest stipend to well over $20,000. Here’s a breakdown of where the highest-paying opportunities are right now, along with direct links if you want to look into specific studies.
Why Some Trials Pay So Much More Than Others
Before diving into specific studies, it helps to understand what drives the pay difference. Trials involving healthy volunteers in Phase I studies — the earliest stage of testing a new drug in humans — consistently pay the most. According to a 2026 guide on paid clinical trials for healthy volunteers, Phase I drug trials offer payments ranging from $3,000 to $15,000 for studies lasting one to four weeks, since these clinical trials for healthy volunteers require participants to remain in residential facilities under continuous medical supervision.
On the other end of the spectrum, Antidote’s guide to paid clinical trials notes that Phase I trials offer the highest payments (around $2,000 on average), while Phase IV trials — studies of drugs that are already approved and on the market — offer the lowest average compensation, around $400. In short: the earlier the phase and the more invasive or time-intensive the study, the higher the payout tends to be.
ClinicalMetric’s 2026 compensation breakdown puts it plainly: healthy volunteer Phase 1 trials, where there’s no anticipated therapeutic benefit, tend to offer the highest compensation, typically $3,000–$15,000 per study for residential stays of 3–14 days. Compensation exists to reimburse time and inconvenience, not to purchase risk.
The Highest-Paying Categories
1. Phase I residential drug trials (healthy volunteers) The single highest-paying category. Multi-day or multi-week stays at a clinical research unit, with continuous monitoring, typically pay $3,000–$15,000 depending on length and complexity.
2. Diabetes and metabolic condition studies Chronic condition trials that require longer participation windows and frequent clinic visits tend to rank among the best-paid condition-specific studies. Per Savings Grove’s 2026 roundup, a Diabetes Type 2 Trial through CenExel ACT is currently paying up to $26,700 — one of the higher individual study payouts available.
3. Obesity and GLP-1-related studies With demand for weight-management drug research at an all-time high, several studies are compensating participants well:
- Altasciences LA’s current studies page lists healthy volunteer studies paying up to $10,000.
- Their elevated BMI/obesity study pays up to $10,000 for generally healthy but overweight volunteers.
- A Wegovy Prescribed Study through Altasciences LA (for people already on the medication in the LA/Orange County area) pays up to $7,650.
4. Chronic disease studies for diagnosed patients Altasciences LA’s Type 2 Diabetes study is currently offering up to $13,000 for individuals aged 18–65 with a diagnosis.
5. Dermatology / biologic drug trials Studies targeting chronic plaque psoriasis and similar conditions typically pay $2,000–$5,000, since qualifying participants (with a documented diagnosis covering a minimum body surface area) can be harder to recruit, according to the Savings Grove roundup linked above.
6. Long-duration international confinement studies For a sense of the upper end globally, Pharma Journal’s 2026 UK compensation report notes that long-duration Phase I stays of 20 to 30 nights or more at units like Quotient Sciences or HMR offer aggregate payments in the £8,000 to £14,000 range, while invasive neurology and respiratory studies at sites like Parexel or Fortrea pay £5,000 to £8,000 for shorter, more intensive engagements.
Specific Studies Currently Listed
| Study | Site | Compensation | Basic Eligibility | Link |
|---|---|---|---|---|
| Type 2 Diabetes Trial | CenExel ACT | Up to $26,700 | Ages 18–70 | savingsgrove.com |
| Type 2 Diabetes Study | Altasciences LA | Up to $13,000 | Ages 18–65, diagnosed | participantsla.altasciences.com |
| Elevated BMI / Obesity Study (N-34300) | Altasciences LA | Up to $10,000 | Healthy but overweight | participantsla.altasciences.com |
| Healthy Volunteers Study (N-3030) | Altasciences LA | Up to $10,000 | Healthy, 18+ | participantsla.altasciences.com |
| Wegovy Prescribed Study | Altasciences LA | Up to $7,650 | 18+, currently prescribed Wegovy, LA/OC area | via current studies page |
| Healthy Male Volunteers (N-38400) | Altasciences LA | Up to $7,300 | Males 18–45, 132–220 lbs | via current studies page |
For a broader sense of typical ranges rather than one-off studies, Altasciences’ Kansas City site notes that participants who enroll in their studies usually receive $2,400 to $19,000, with the amount varying by length of stay and number of follow-up visits.
Where to Look for More Openings
Beyond the specific studies above, a few reliable places to search for current openings:
- ClinicalTrials.gov — the federal registry of essentially all ongoing U.S. clinical trials, searchable by condition and location.
- CenExel’s full studies listing — a national network of research centers running everything from vaccine studies to neurology and psychiatric trials.
- CenExel Los Angeles and CenExel Salt Lake City — regional listings if you’re in those areas.
- Altasciences LA homepage — updated regularly with new paid studies in the Los Angeles and Orange County area.
A Few Things to Know Before You Apply
- Compensation isn’t guaranteed until you complete the study. Most sites pay out in installments tied to specific visits or milestones, and partial completion typically means partial payment. It’s worth asking about the payment schedule before enrolling.
- You’ll need to pass a screening visit first. Eligibility criteria (age, weight, health history, current diagnoses) are strict, and not everyone who applies will qualify.
- An informed consent form (ICF) will walk you through the risks. Every legitimate trial requires you to review and sign one before participating, and you’re free to ask questions or withdraw at any time.
- Listings change fast. Individual studies fill up and close enrollment regularly, so it’s worth confirming a study is still active before you get too far into the process.
The Bottom Line
The best-paid clinical trials right now tend to be Phase I healthy volunteer studies and chronic-condition trials (diabetes, obesity, dermatology) that require longer engagement or overnight stays — with individual studies currently listed paying anywhere from roughly $7,000 to nearly $27,000. As always, it’s worth confirming eligibility and current openings directly with the site running the study, since compensation figures and availability shift as enrollment fills.
If you are looking for our full list of all Clinical Trials updated daily, click here.
This article is for general informational purposes only and isn’t medical advice. Clinical trial eligibility, availability, and compensation vary and can change at any time — always confirm current details directly with the study site before applying.
