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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.

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 10491-10500 of 11764

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  1. Safety and Immune Response of the COVID 19 Vaccine in Patients with Inflammatory Bowel Disease

    Jacksonville, FL

  2. COVID-19 Biobank

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

  3. A Study of the Brain & Body Donation Program

    Scottsdale/Phoenix, AZ

  4. A Study To Determine Late Outcomes And Immunological Responses In Children With/Without Multisystem Inflammatory Syndrome After SARS-CoV-2

    Rochester, MN

  5. COMA-Family Study

    Jacksonville, FL

  6. A Study to Detect and Candida auris

    Rochester, MN

  7. A Study of the Changes in Nutrition Status of Patients with Acute Myeloid Leukemia

    Rochester, MN

  8. 18F-fluciclovine PET/MRI Imaging For The Detection Of Tumor Recurrence After Radiation Injury To The Brain

    Jacksonville, FL

  9. Patient Outcomes after Intralesional Injections of Collagenase Clostridium Histolyticum for Peyronie's Disease

    Scottsdale/Phoenix, AZ

  10. Dynamic Evaluation Of Spinal Alignment And Balance In Adults With Spinal Deformity Using Momentum Spine

    Rochester, MN

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