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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.

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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 1-9 of 9 for Colonoscopy

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  • Study status: Open/Status Unknown
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  1. A Study to Evaluate the Safety and Efficacy of ABT-494 for Induction and Maintenance Therapy in Subjects With Moderately to Severely Active Ulcerative Colitis

    Rochester, MN

  2. Minimal Risk Registry of Endoscopic Image and Pathology Correlation for Fujiflim

    Jacksonville, FL, Rochester, MN

  3. Bowel Preparation Adequacy by FAIMS Analysis of Fecal Headspace Volatile Organic Compounds in Patients Undergoing Colonoscopy

    Rochester, MN

  4. A Study to Evaluate the Safety and Effectiveness of the Augmented Endoscopy System for Mucosal Lesion Detection During Colonoscopy for Colon Rectal Cancer.

    Scottsdale/Phoenix, AZ, Jacksonville, FL, La Crosse, WI, Eau Claire, WI

  5. Soft Coagulation for the Prevention of Adenoma Recurrence

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

  6. Clinical Study Comparing PillCam® Crohn's Capsule Endoscopy to Ileocolonoscopy (IC) Plus MRE for Detection of Active CD in the Small Bowel and Colon in Subjects With Known CD and Mucosal Disease

    Rochester, MN

  7. A Study to Understand Crohn’s Disease using a Genetic Approach

    Rochester, MN

  8. A Study to Assess the Added Value of CTA in the Algorithm for Management of Acute Lower GI Bleeding

    Rochester, MN

  9. A Bio-bank for Patients with Inflammatory Bowel Disease Associated Neoplasia

    Rochester, MN

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