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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 6271-6280 of 11550

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  1. (Summit) A Study to Evaluate the Efficacy and Safety of CGT9486 Versus Placebo in Patients With Indolent or Smoldering Systemic Mastocytosis

    Scottsdale/Phoenix, AZ, Jacksonville, FL

  2. Noninferiority of Synthesized Central Nervous System MRI for Low and Standard Dose of Gadobutrol

    Rochester, MN

  3. A Study of Pre-Conditioning Prior to Surgery to Improve Functional and Clinical Outcomes in Patients with Aortic Stenosis

    Eau Claire, WI, Rochester, MN

  4. Evaluate how Measurements of the Cornea Correlate to the Function of the Inside Lining (Endothelium) of the Cornea

  5. A Study of Changes to the Microbe Environment in the Intestines of Obese People who Modify Their Diet and Lifestyle

    Rochester, MN

  6. Dermatome Electrical Stimulation on Individuals With Overweight and Class I Obesity

    Rochester, MN

  7. A Study of Donated Alloantigen Reactive Regulatory T Cells for Reducing or Discontinuing Immune System Suppression in Liver Transplant Patients

    Rochester, MN

  8. A Study to Provide Feasibility Data for a Novel Method of Defining Patient-Specific Functional Anatomic Targets for Globus Pallidus Internus (GPi) Deep Brain Stimulation (DBS) Placement

    Jacksonville, FL

  9. Usage of EpiFinder Clinical Decision Support in the Assessment of Epilepsy Cases at Mayo Clinic Hospital in AZ

    Scottsdale/Phoenix, AZ

  10. Phase 2 Efficacy, Safety, and Tolerability Study of Natalizumab in Focal Epilepsy

    Scottsdale/Phoenix, AZ

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