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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 1-6 of 6 for Implantable cardioverter-defibrillators (ICDs)

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  • Study status: Open/Status Unknown
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  1. EdoxabaN or Warfarin Therapy In Cardiovascular Implantable Electrical Device Procedures in Patients With Non-Valvular Atrial Fibrillation

    Jacksonville, FL

  2. A Study of Subcutaneous ICD Therapy Combined With VT Ablation for the Secondary Prevention of Sudden Cardiac Death

    Rochester, MN

  3. Extravascular ICD Pivotal Study

    Rochester, MN

  4. A Study to Evaluate Potential Myocardial Injury in Patients with Cardiac Implantable Electronic Devices Undergoing Defibrillation Threshold Testing

    Rochester, MN

  5. Prediction of Chronic Pacemaker/ICD Threshold by Increased Pulse Width Duration Pacing

    Scottsdale/Phoenix, AZ

  6. A Study to Gather Information to Develop and Validate a Tool for Predicting the Response to Cardiac Resynchronization (CRT) Therapy

    Rochester, MN


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