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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 2121-2130 of 2266 for

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  1. Cancer-Related Fatigue Amongst Cutaneous Oncology Patients

    Rochester, MN

  2. A Study to Evaluate CHIP and Hematological Toxicity After PRRT in Neuroendocrine Tumor Patients

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

  3. A Study To Evaluate Oncologic Outcomes And Quality Of Life In Sinonasal Cancer Patients

    Rochester, MN

  4. Image-based Mapping of Brain Tumors

    Scottsdale/Phoenix, AZ, Rochester, MN

  5. A Study to Explore Tumor Biology in Metastatic Esophageal and Gastric Cancer Patients

    Rochester, MN

  6. Metastatic Leiomyosarcoma Biomarker Protocol

    Rochester, MN, Jacksonville, FL

  7. Cancer screening practices of individuals with Lynch Syndrome

    Rochester, MN

  8. A Study to Reduce Disparities in High-Risk Black Men (BM) With Advanced Prostate Cancer Using Patient-Centered Home Care

    Jacksonville, FL

  9. A Study to Optimize Patient Selection and Outcomes in Laryngeal Vascular Composite Allograft Transplantation

    Scottsdale/Phoenix, AZ

  10. Surgical Drain Fluid for Detection of Molecular Residual Disease for HPV(-) Head and Neck Cancers

    Rochester, MN

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