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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 691-700 of 10265

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  1. Pilot Study: Combined Molecular Breast Imaging/Ultrasound System for Diagnostic Evaluation of MBI-detected Lesions

  2. High Frequency Oscillations in Neurologic Disease

    Rochester, MN

  3. A Study to Evaluate the Safety and Effectiveness of Allogeneic Mesenchymal Precursor Cells for the Treatment of Heart Failure

    Rochester, MN

  4. Study to Evaluate the Efficacy and Safety of MEDI9929 (AMG 157) in Adult Subjects With Inadequately Controlled, Severe Asthma

    Rochester, MN

  5. Treating Sleep Apnea Induced Hypoxemia With Oxygen in Acute Stroke Patients

    Rochester, MN

  6. Addressing Diabetes Together

    Rochester, MN

  7. Safety Study of Inhaled Saline in Acute Lung Injury

    Rochester, MN

  8. A Study of Positive Long-Term Functional Outcomes with Early Tracheostomy in Ventilated Stroke Patients

    Jacksonville, FL

  9. A Study to Evaluate the Effectiveness and Safety of MEDI2070 in Subjects with Active Moderate to Severe Crohn's Disease

    Rochester, MN

  10. A Study of Proton Radiation Divided into Fewer Doses for Low Risk Prostate Cancer

    Scottsdale/Phoenix, AZ, Rochester, MN

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