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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 2871-2880 of 10860

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  1. Combination Chemotherapy in Treating Younger Patients with Newly Diagnosed, Non-Metastatic Desmoplastic Medulloblastoma

    Rochester, MN

  2. International Study of Comparative Health Effectiveness With Medical and Invasive Approaches (ISCHEMIA)

  3. Acute Stroke Or Transient Ischaemic Attack Treated with Aspirin or Ticagrelor and Patient Outcomes

    Scottsdale/Phoenix, AZ

  4. Neoadjuvant Granulocyte-Macrophage Colony-Stimulating Factor (GM-CSF) in Cutaneous Stage L-lll Melanoma

    Rochester, MN

  5. Breast Education through Simulation Training (BEST): Post-Mastectomy Wound and Drain Care Patient Education

    Rochester, MN

  6. Clinical Evaluation Of MP26 Features in Adults

    Rochester, MN

  7. A Study of Computer Simulation of Endovascular Repair of Cerebral Aneurysms Aneurysms

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

  8. MRI of Lung Spots

    Rochester, MN

  9. Tobacco Dependence Intervention Knowledge, Practices, and Attitudes among Registered Nurses

    Rochester, MN

  10. Analytic Treatment Interruption (ATI) to Assess HIV Cure

    Rochester, MN

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