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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 941-950 of 2194 for surgery

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  1. Effect of TTFields (150 kHz) in Non-small Cell Lung Cancer (NSCLC) Patients With 1-10 Brain Metastases Following Radiosurgery (METIS)

    Scottsdale/Phoenix, AZ, Jacksonville, FL

  2. S0820, Adenoma and Second Primary Prevention Trial

    Rochester, MN

  3. Clinical Trial to Evaluate the the ReliantHeart HeartAssist 5® VAD System in Patients Awaiting Heart Transplantation

    Rochester, MN

  4. Treatment for CI-DME in Eyes With Very Good VA Study

    Rochester, MN

  5. JAB-3312 Based Combination Therapy in Adult Patients With Advanced Solid Tumors

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

  6. A Study to Test the Combination of Cabozantinib, Nivolumab, and Ipilimumab (CaboNivoIpi) for Advanced Differentiated Thyroid Cancer

    Jacksonville, FL, Rochester, MN

  7. Low Dose Computed Tomography for Lung Cancer Screening

  8. A Study of BBI608 Plus Weekly Paclitaxel to Treat Gastric and Gastro-Esophageal Junction Cancer

    Scottsdale/Phoenix, AZ

  9. Assessment of Coronary Plaque Composition Using Optical Coherence Tomography

    Rochester, MN

  10. A Pilot Study Utilizing Proteomic and Genomic Profiling for Patients With Metastatic Breast Cancer

    Scottsdale/Phoenix, AZ

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