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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 6501-6510 of 11711

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  1. AMG 181 in Subjects with Moderate to Severe Crohn's Disease

    Rochester, MN

  2. Functional Magnetic Resonance Imaging (fMRI) During Deep Brain Stimulation (DBS) to Treat Parkinson's Disease

    Jacksonville, FL, Rochester, MN

  3. A Phase 2 Study to Evaluate Pharmacodynamics of YKP10811 in Patients With Chronic or Functional Constipation

    Rochester, MN

  4. Ultrasound Assessment of Weightbearing and Non-Weightbearing Meniscal Protrusion

    Rochester, MN

  5. Liposomal Bupivacaine Single-Injection Interscalene Block vs. Continuous Interscalene Block for Primary Total Shoulder Arthroplasty

    Rochester, MN

  6. A Study of Changes in Adolescent Mental Health Using InSciEd Out Curriculum

  7. A Study to Improve Cardiovascular Health Among African Americans within Faith Communities

    Rochester, MN

  8. A Study to Determine the Impact of Ascorbic Acid Treatment on Vasodilation in Cardiac Surgery

    Rochester, MN

  9. Evaluating Raised Intracranial Pressure Using MR Elastography

    Rochester, MN

  10. Study of Xavier Electromyographic Wheelchair Control for Limited Mobility Patients

    Jacksonville, FL

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