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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 171-180 of 2195 for surgery

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  1. A Clinical Trial to Evaluate the HeartWare® Ventricular Assist System

    Scottsdale/Phoenix, AZ

  2. A Study of Pre-Surgery Inspiratory Muscle Training for Patients who will have Surgery on Their Esophagus

    Rochester, MN

  3. A Study to Evaluate LB1148 for Return of Gastrointestinal Function and Adhesions in Subjects Undergoing Bowel Resection

    Rochester, MN

  4. A Study to Assess Transfusion Requirements in Cardiac Surgery

    Rochester, MN

  5. Using Ice Around Postoperative Total Knee Incisions – Does This Make Sense?

  6. Acellular Human Nerve Allografts as a Means to Decrease Sensory Deficits following Peripheral Nerve Biopsy

    Rochester, MN

  7. BT – L-CsA – 301 – SLT: A Phase III, Prospective, Multicenter, Randomized, Controlled Clinical Trial to Demonstrate the Efficacy and Safety of Liposomal Cyclosporine A (L-CsA) Inhalation Solution Delivered via the PARI Investigational eFlow® Device plus Standard of Care versus Standard of Care Alone in the Treatment of Chronic Lung Allograft Syndrome / Bronchiolitis Obliterans Syndrome in Patients post Single Lung Transplantation

    Jacksonville, FL

  8. A Study of the Safety and Effectiveness of the Mentor Larger Size MemoryGel Ultra High Profile Breast Implants in Subjects who are Undergoing Primary Breast Reconstruction or Revision Reconstruction

    Scottsdale/Phoenix, AZ

  9. Regenerative Medicine Approach to Nasal Reconstruction

    Scottsdale/Phoenix, AZ

  10. A Study to Evaluate Remote Objective Monitoring

    Rochester, MN

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