Tomball, TX 77375
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• Be over 50 years of age old
- C diff vaccine free of cost - Compensation for time and travel - Research doctor visits
- C diff vaccine free of cost
- Compensation for time and travel
- Research doctor visits
Clinical trials are medical research studies designed to test the safety and/or effectiveness of new investigational drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.