
What is a clinical trial?
A clinical trial is the process by which new medications, vaccines, medical devices and procedures are studied and tested to determine whether they are safe and effective for treating or preventing diseases and health conditions. By joining a clinical trial, you help to advance new and potentially lifesaving treatments for patients who need them.
Studies that pay near you
Browse paid clinical trial opportunities at one of our three U.S. locations in Dallas, Texas; Madison, Wisconsin; or Daytona Beach, Florida.
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How to join a paid clinical trial
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Phone screen
Phone Screen
The first step to participating in a clinical research study is to contact our call center at 1-866-429-3700. Our call center is open Monday – Friday from 8:30 a.m. to 6 p.m. EST (7:30 a.m. to 5 p.m. CST). The phone screen agents need to make sure you will pre-qualify for a study and will ask you a lot of questions about your medical history including any medicines you take. Please be honest and thorough in your answers. This is for your own safety. -
Screening
Screening
Once you pass the phone screen you will be scheduled for a screening appointment at the clinic. It is important to follow any fasting requirements before this appointment. Bring a current, valid, government ID with you and be on time. Not showing up for an appointment could hurt your chances of getting in a study later on. Please allow 2–4 hours for this appointment.
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What to expect during your stay
What to expect during your stay
Most of the time participants check into the clinic the day before the study begins. This is to help you get settled and comfortable. We will assign you to a room, give you a wrist band, and go over the rules of the clinic and anything particular to your study. The clinics are very much like a hospital floor. You will share a room with at least four other people of the same sex. You will have a secure place to store your belongings. We want you to be comfortable and at ease while you are at the clinic. When you are not having procedures done, you can read, watch TV, play games, join in activities like pool and Bingo, or use your laptop or phone if you’ve brought one. Each clinic has laundry facilities as well if you will be staying with us for a while.
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Esuring your safety
Ensuring your safety
Participating in Clinical Trials in the Age of COVID-19The health and safety of our volunteers and employees is our main priority. We continue to actively monitor developments related to COVID-19 and is taking all necessary precautions to keep our Clinical Research Units as safe as possible.
Answering your frequently asked questions about paid medical trials
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What are the risks and benefits of taking part in a clinical trial?
Before a drug can be prescribed, it must go through a long testing and approval process, including clinical studies. A clinical study is used to test new drugs (medications) and develop new uses for existing drugs. At our research clinics, we work with some of the world’s leading companies on studies to answer questions like:
- How is a drug absorbed into the body?
- How does one drug react to another drug?
- How is a drug affected by food?
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Are the rumors about clinical trials true?
There are plenty of misconceptions about what happens on a clinical research study. These are just that: myths. Your safety is our number one priority. Drug development is highly regulated with strict safety and ethical guidelines and we take those regulations very seriously.
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Will I be paid for taking part in a research study?
You will be paid for your time and participation in the study. Compensation is based on the length of the study, the number of overnight stays in our clinic, and the number of outpatient visits you attend.
Browse a list of our current studies and the payment details for each. Call us at 866-429-3700 to see if you're eligible.

When you join a paid research study, you contribute to advances in new medicines that can ultimately transform patients’ lives.
Refer a friend
It pays to have friends. Find out how to receive special bonus pay for clinical trials by telling your friends and family about clinical trials near you.