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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 1-9 of 9 for

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  • Study status: Open/Status Unknown
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  1. PARADIGM: Amplatzer Valvular Plug for PVL Closure

    Rochester, MN

  2. SAPIEN M3 System TransCatheter MItral Valve ReplaCement via TransseptaL AccEss

    Rochester, MN

  3. A Study to Analyze Rhythm Control and Potential Early Surgery for Tricuspid Regurgitation

    Rochester, MN

  4. ALLIANCE: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve

    Rochester, MN

  5. A Study to Evaluate Mitral Implantation of Transcatheter Valves

    Rochester, MN

  6. TVMR With the Innovalve System Trial - Early Feasibility Study

    Rochester, MN, Jacksonville, FL

  7. Intraoperative Observations and Long-term Outcomes of Bioprosthetic Valve Implantation

    Rochester, MN

  8. A Study to Evaluate Aortic Dilatation in Patients with Conotruncal Abnormalities

    Rochester, MN

  9. A Study to Assess the Biological Progression and Mechanisms of Mitral Annular Calcification

    Rochester, MN


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