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Clay Dehn, vice president of clinical pharmacology services at Endeavor Clinical Trials, explains how Nonalcoholic Fatty Liver Disease (NAFLD) is prevalent in the Hispanic community and provides insight on how to get a free screening.
Watch video / read article on KSAT.com »
Unite Against COVID-19
COVID-19 Vaccine Study
If you qualify you may:
- See a physician or medical staff at no cost
- Receive compensation for time and travel


Welcome to Evolution Research Group!
Together we are one of the largest research organizations in the nation focusing on the conduct of clinical trials for healthy individuals and those suffering from psychiatric disorders, pain, Alzheimer’s, hepatic, renal and other debilitating diseases. Our research subjects make medical discoveries and scientific developments possible and we are here to support you.
Choosing to participate in a clinical research trial is a personal decision. Our research specialists are here to answer your questions and to help you along the way. Contact us today to see how you can be a part of identifying breakthrough treatments.
Studies We Conduct at Evolution Research Group
- Addiction
- ADHD
- Alzheimer’s Disease
- Anxiety
- Binge Eating
- Bipolar Disorder
- Chronic Back Pain
- Chronic Migraine
- Depression
- Diabetes
- Essential Tremor
- Fibromyalgia
- Human Abuse Liability
- Healthy Volunteers
- Hepatic Impairment
- Insomnia
- Major Depressive Disorder
- Memory Loss
- NASH
- Obesity
- Opioid Addiction
- Pain
- Renal Impairment
- Schizophrenia
- Senior Healthy Volunteers
- Smoking Cessation
- Tardive Dyskinesia
Clinical Research Education & Blog

The Progression of Liver Disease: Stages and Complications
When an organ performs over 500 essential functions, you can understand why our overall health and life depend on it working well. There are over 100 different liver diseases, and each has the potential to damage the liver and interfere with its ability to function correctly. Even though numerous diseases affect the liver, most progressively

National Kidney Month
Did you know every day, your kidneys filter 200 liters of blood? Most people aren’t aware of how important our kidneys are. That’s in part why National Kidney Month began. Every March, health providers and educators immerse themselves into communities. Their focus is building paths to better kidney care. The Major Functions of the Kidneys

Signs You May Need a Knee Replacement
Osteoarthritis (OA) is a degenerative type of arthritis and is the most common form found in the knee. OA of the knee can affect your every move. Knee replacement surgery (knee arthroplasty) can help relieve pain and restore function when all other OA treatments have failed. Surgery is a big step. However, if you know