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Healthy Volunteer

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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 3851-3860 of 11953

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  1. A Study of the Response of Feelings, Plans, and Behaviors of People after Learning Outcomes of Genetic Research

    Rochester, MN

  2. Ultrasound Greater Occipital Nerve Block at C2 Level Compared to Landmark-based Greater Occipital Nerve Block

    Rochester, MN

  3. Perampanel Transcranial Magnetic Stimulation (TMS) in Amyotrophic Lateral Sclerosis (ALS)

    Jacksonville, FL

  4. Health and Wellness Coaching for Employees with T2D

    Jacksonville, FL

  5. Statins and CPAP in Adipose Tissue of OSA

    Rochester, MN

  6. Efficacy and Safety Trial of MK-8931 in Participants With Prodromal Alzheimer's Disease (MK-8931-019)

  7. Absorbable versus Non-Absorbable Suture in Patients Undergoing Carpal Tunnel and Trigger Finger Wound Closure

    Rochester, MN

  8. Ultrasound Utility in Carpal Tunnel Syndrome

    Scottsdale/Phoenix, AZ

  9. Stem Cell Therapy for Chronic Kidney Disease

    Jacksonville, FL

  10. Reducing 30-day Readmissions in Patients With Heart Failure Through Pharmacist Discharge Medication Services

    La Crosse, WI

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