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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 8891-8900 of 11812

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  1. Heart Failure (HF) Clinic Biobank

    Rochester, MN

  2. Immersive Virtual Reality for Reducing Pain and Anxiety in Patients With Temporary Mechanical Circulatory Support Awaiting Heart Transplantation.

    Jacksonville, FL

  3. Pulmonary Circulation And Alveolar-Capillary Reserve In Single Ventricle Hearts

    Rochester, MN

  4. An Expanded Access Program Of Cretostimogene Grenadenorepvec For Treatment Of NMIBC For Patients Unresponsive To BCG

    Rochester, MN

  5. A Study to Understand the day-to-day Variability in Stomach Emptying and Gastrointestinal (GI) Transit in Patients with Digestive Symptoms

    Rochester, MN

  6. A Study Of Thinking & Memory Study: How Hormone Conditions And High Blood Pressure Affect Brain Health

    Rochester, MN

  7. A Study to Assess the Utility of Cell Count and Differential of Aspirated Fluid in the Diagnosis of Native Vertebral Osteomyelitis

    Rochester, MN

  8. Quality of Life after Endoscopic Bariatric Therapies

    Rochester, MN

  9. Undiagnosed Tumor/Undifferentiated Mass Registry

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

  10. A Study Of Senseera Liquid Biopsy In Detecting ACR

    Jacksonville, FL

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