Paid Clinical Trials in Riverside, California

Qualified participants get paid for their time and travel.

Probe Clinical Research conducts professional, high-quality paid clinical trials in Riverside, in collaboration with leading U.S. and international pharmaceutical companies.

Interested in participating? Explore our Current, Coming Soon, and Future Studies using the tabs above to see if you may qualify.

Eligibility and compensation vary by study.

Now Enrolling

Obesity with Sleep Apnea

$125

Weight-loss clinical research study for adults with obstructive sleep apnea. Includes office visits and overnight sleep studies at our Riverside site.

See if you qualifyCall (951) 778-1131

Knee Osteoarthritis

$145

Clinical research study for adults with knee osteoarthritis (knee arthritis pain) at our Riverside site.

See if you qualifyCall (951) 778-1131

Cold-Like Symptoms (RSV)

$125

For adults with cold-like symptoms who may qualify for RSV study screening (ages 75+, or 18+ with a qualifying cardiovascular condition; other requirements apply).

See if you qualifyCall (951) 778-1131

Current Active Studies

Participants are compensated for time and travel and may receive compensation by cash, check, or prepaid debit card, depending on the study.

Contact Now!

951-778-1131

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