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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

What is this?
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 1-10 of 7813

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  1. Effectiveness and Satisfaction With Brief Synchronous Tele-psychiatry Consult

    Jacksonville, FL

  2. Ultrasonography Assessment of Gastric Volume in Healthy Volunteers after Ingestion of Clear Liquids and Solid Food

    Jacksonville, FL

  3. Study of Safety and Effectiveness on Brain Metabolism Using Cala TWO Device on Subjects Scheduled to Undergo Deep Brain Stimulation Surgery

    Rochester, MN

  4. A Study to Evaluate a Health and Wellness Coaching Model in Support of Caregivers of Patients with Advanced Lung Cancers

    Jacksonville, FL

  5. A Study to Evaluate Rectal Cancer with Diffusion-Weighted and Dynamic Contrast Enhanced Perfusion-Weighted Magnetic Resonance Imaging

    Jacksonville, FL

  6. A Study to Explore Psychometric Properties of New 6 Minute Walking Test with Stroke Patients

    Scottsdale/Phoenix, AZ

  7. A Single-Use Duodenoscope in a Real-World Setting

    Rochester, MN

  8. Ultrasound Guided Transversus Abdominis Plane (TAP) vs. Trigger Point Injection (TPI) for Abdominal Wall Pain

    Rochester, MN

  9. Study of US-ATG-F to Prevent Chronic Graft Versus Host Disease (GVHD)

    Rochester, MN

  10. A Phase II, Randomized, Double-blind, Placebo-controlled Study to Examine the Effects of DAS181 in Immunocompromised Subjects With Lower Respiratory Tract Parainfluenza Infection on Supplemental Oxygen

    Scottsdale/Phoenix, AZ

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