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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 11-20 of 22 for CT scan

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  1. A Study to Assess Reproductive History in Kidney Donors

    Scottsdale/Phoenix, AZ, Rochester, MN

  2. A Study to Determine the Tradeoffs between CT Image Quality and Patient Radiation Dose

    Rochester, MN

  3. A Study of the Ability for CT Imaging to Accurately Predict the Fragility (Quality of Being Easily Broken) of Kidney Stones during Surgical Intervention

    Rochester, MN

  4. Study to Validate Auto Registry and Integration of Ultrasound into Procedure

    Rochester, MN

  5. A Study to Measure Quality of Life Outcomes Following Septoplasty Using CT Scan

    Jacksonville, FL

  6. A Study to Compare Dual-Energy CT and Whole Body MRI for Monitoring of Bone Involvement in Multiple Myeloma Patients

    Rochester, MN

  7. A Study to Evaluate Photon Counting Detector CT Utility in Identifying Acute Wrist Fractures.

    Rochester, MN

  8. A Study of Clinical Evaluation of a PET/MR System

    Rochester, MN

  9. Ultrasound Evaluation of Nerve Injuries

    Rochester, MN

  10. Nasal Epithelial Cell Culture And Responsiveness Study

    Rochester, MN


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