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Healthy Volunteer

What is this?
A volunteer subject with no known significant health problems who participates in research to test a new drug, device or intervention. These volunteers are recruited to serve as controls for patient groups. Healthy volunteers receive the same test, procedure, or drug the patient group receives.

Study phase

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During the early phases (phases 1 and 2), researchers assess safety, side effects, optimal dosages and risks/benefits. In the later phase (phase 3), researchers study whether the treatment works better than the current standard therapy. They also compare the safety of the new treatment with that of current treatments. Phase 3 trials include large numbers of people to make sure that the result is valid. There are also less common very early (phase 0) and later (phase 4) phases. Phase 0 trials are small trials that help researchers decide if a new agent should be tested in a phase 1 trial. Phase 4 trials look at long-term safety and effectiveness, after a new treatment has been approved and is on the market.

Search Results 1-10 of 212 for Gastroenterology and Hepatology

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  • Study status: Open/Status Unknown
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  1. Study Evaluating the Safety and Feasibility of Using Human Cell Therapy for the Treatment of Aerodigestive Fistulae in Adults

    Jacksonville, FL

  2. Trial of Specific Carbohydrate and Mediterranean Diets to Induce Remission of Crohn's Disease

    Rochester, MN

  3. Study to Explore the Therapeutic Effect of Eluxadoline in Treating Irritable Bowel Syndrome With Diarrhea in Children

    Rochester, MN

  4. Phase II Study of EUS-guided Verteporfin PDT in Solid Pancreatic Tumors

    Jacksonville, FL, Rochester, MN

  5. Chemotherapy Alone or Chemotherapy Plus Radiation Therapy in Treating Patients with Locally Advanced Rectal Cancer Undergoing Surgery

    Scottsdale/Phoenix, AZ, Rochester, MN, Scottsdale/Phoenix, AZ, Rochester, MN

  6. Sponge and Eosinophil Peroxidase (EPO) Staining

    Rochester, MN

  7. Study to Evaluate Eradicating Barrett's Esophagus Using Radiofrequency Ablation or a Novel Hybrid Argon Plasma Coagulation Technique

    Scottsdale/Phoenix, AZ, Jacksonville, FL, Rochester, MN

  8. A Study Using VE303 to Prevent Recurrence of Clostridium Difficile Infection

    Rochester, MN

  9. A Study of Circulating Nucleic Acid Tumor Markers Found in Different Components of Blood

    Rochester, MN

  10. A Study of Colesevelam in Fecal Incontinence

    Rochester, MN

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