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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 1151-1160 of 2194 for surgery

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  1. Prognostic value of Aβ Imaging in NPH Prior to Shunt Placement

    Jacksonville, FL

  2. A Study to Evaluate Sleep for Stroke Management and Recovery

    Rochester, MN

  3. A Study Evaluating the Efficacy and Safety of Botulinum Toxin Type A and Solifenacin in Patients with Overactive Bladder and Urinary Incontinence

  4. Safety and Potential Bioactivity of CLBS16 in Patients With Coronary Microvascular Dysfunction and Without Obstructive Coronary Artery Disease

    Rochester, MN

  5. A Study to Determine if Early Changes of Pulmonary Artery Hypertension can be Seen by Adding Exercise During Cardiac Magnetic Resonance Imaging (MRI)

    Jacksonville, FL

  6. A Study of the Safety and Effectiveness of Stem Cell Fistula Plugs to Repair Post Surgical Leak Fistulas

    Rochester, MN

  7. A Study of Niraparib Combined with Pembrolizumab (MK-3475) in Patients who have Triple-Negative Breast Cancer or Ovarian Cancer

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

  8. Preventing Anthracycline Cardiovascular Toxicity with Statins (PREVENT)

    Rochester, MN

  9. Inclisiran for Participants With Atherosclerotic Cardiovascular Disease and Elevated Low-density Lipoprotein Cholesterol

    Rochester, MN

  10. AVERT™ Clinical Trial for Contrast Media Volume Reduction and Incidence of CIN

    Rochester, MN

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