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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 6491-6500 of 11711

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  1. A Study of Sotatercept in Participants With PAH WHO FC III or FC IV at High Risk of Mortality (MK-7962-006/ZENITH)

    Jacksonville, FL

  2. Effect on Postprandial Sleepiness of a Plant-based Diet

    Jacksonville, FL

  3. Early Dronedarone Versus Usual Care to Improve Outcomes in Persons With Newly Diagnosed Atrial Fibrillation

    La Crosse, WI

  4. A Study to Assess Cardiopulmonary Measurements in Acute Respiratory Distress Syndrome (ARDS) Patients with Airway Pressure Release Ventilation

    Rochester, MN

  5. Comparison of Standard Pelvic Floor Strengthening Exercise with a Novel Therapeutic Exercise Machine for Non-Surgical Management of Urinary Incontinence

    Rochester, MN

  6. Increasing Activity in Liver Transplant Patients

    Jacksonville, FL

  7. Intense Pulsed Light (IPL) and Meibomian Gland Expression to Treat Ocular Rosacea Secondary to Inactive Chronic Ocular GVHD

    Scottsdale/Phoenix, AZ

  8. Rituximab, Cyclophosphamide, Bortezomib, and Dexamethasone in Treating Patients with Relapsed or Refractory Low-Grade Follicular Lymphoma, Waldenstrom Macroglobulinemia, or Mantle Cell Lymphoma

  9. NIRS Predict Low Cardiac Output State in Neonates and Infants in Cardiac Surgery

    Rochester, MN

  10. RCT of the Double Wire Technique with or without Transpancreatic Sphincterotomy for Difficult Common Bile Duct Cannulation

    Scottsdale/Phoenix, AZ

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