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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 1-5 of 5 for Diarrhea

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  1. A Study to Compare Ridinilazole Versus Vancomycin Treatment for Clostridium Difficile Infection (CDI)

    Rochester, MN

  2. A Study of VE303 for Prevention of Recurrent Clostridium Difficile Infection

    Scottsdale/Phoenix, AZ

  3. A Biobank for Functional Gastrointestinal Disorders (FGID)

    Rochester, MN

  4. Simplifying the Diagnosis of Bile Acid Malabsorption: Fasting Serum C4 and Proportion of Primary Bile Acids Measured from a Random, Single Stool Sample

    Rochester, MN

  5. Bile Acids, Genetic Control and Ileo-Colonic Mucosal Expression in Irritable Bowel Syndrome-Diarrhea (IBS-D)

    Rochester, MN


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