PRG is currently accepting volunteers to participate in clinical research opportunities.

Make a difference in your life and the lives of many others!

Colorado Clinical Trials

Boulder, Castle Rock, Denver, Lone Tree, Niwot, and Parker


Click above to view enrolling studies at each location

Become A Medical Testing Volunteer

If you have ever taken a prescription or over-the-counter (OTC) medication, your life is being touched by clinical studies and its patient participants. Through the clinical research process; medications, medical devices, and vaccines are developed for those who need them most.

Patient participants give of themselves by volunteering to assist researchers in testing the safety and efficacy of these medications at no cost to you! By giving back in this way, you will enable countless others the opportunity to benefit from your efforts. Most of our research trials will pay you for your time, travel, and/or mileage.

Clinical Trial Participation - What to Expect

A Rewarding Experience!

By participating in a clinical trial with Physicians Research Group you can expect: