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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 1451-1460 of 11664

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  1. A Study to Understand Why Laying Down May Influence High Blood Pressure in Patient's with a Disease that Causes Problems with the Autonomic Nervous System

    Rochester, MN

  2. A Study of Armodafinil for Patients with Dementia with Lewy Bodies

    Rochester, MN

  3. A Study of Improving Liver Ultrasound Effectiveness for Fibrosis Staging

    Rochester, MN

  4. A Study to Evaluate Electrical Impedance Myography as an Outcome Measure in Myositis

    Jacksonville, FL

  5. Prospective Use of Real-time MRI

    Rochester, MN

  6. TOCCASTAR - TactiCath Contact Force Ablation Catheter Study for Atrial Fibrillation

  7. A Study of Using Ultrasound to Evaluate Post-Transplant Acute Liver Rejection

    Rochester, MN

  8. A Study Of Adjuvant Pembrolizumab/Vibostolimab (MK-7684A) Versus Pembrolizumab For Resected High-Risk Melanoma In Participants With High-Risk Stage II-IV Melanoma (MK-7684A-010/KEYVIBE-010)

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

  9. Ibrutinib In Treating Patients With Relapsed Hairy Cell Leukemia

    Rochester, MN

  10. Safety Of Ataciguat In Patients With Moderate Calcific Aortic Valve Stenosis

    Rochester, MN

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