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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 1291-1300 of 10631

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  1. Radiation Therapy With Concomitant and Adjuvant Temozolomide Versus Radiation Therapy with Adjuvant PCV Chemotherapy in Patients with Anaplastic Glioma or Low Grade Glioma

    Jacksonville, FL, Rochester, MN

  2. Survivorship of Attune Primary Total Knee Prosthesis

    Scottsdale/Phoenix, AZ

  3. Endoscopic Gastric Reduction for Weight Management

    Rochester, MN

  4. Weight Loss in Parkinson's Disease and Role of Small Bowel Bacterial Overgrowth

    Scottsdale/Phoenix, AZ

  5. A Study to Evaluate the Safety of Lixivaptan in Subjects Previously Treated with Tolvaptan for Autosomal Dominant Polycystic Kidney Disease

    Rochester, MN

  6. A Study to Assess CT Scalar Localization of the Electrode Array Following Cochlear Implantation

    Rochester, MN

  7. OTL38 for Intraoperative Imaging of Folate Receptor Positive Lung Nodules

  8. VE303 for Prevention of Recurrent Clostridioides Difficile Infection (RESTORATiVE303)

    Scottsdale/Phoenix, AZ

  9. Oral Ifetroban in Patients With Idiopathic Pulmonary Fibrosis (IPF)

    Jacksonville, FL

  10. Intraoperative Endoscopy Using Flexible Cholangiopancreatoscope

    Rochester, MN

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