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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 25 for Cardiovascular Surgery

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  • Study status: Open/Status Unknown
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  1. A Study to Determine the Impact of Ascorbic Acid Treatment on Vasodilation in Cardiac Surgery

    Rochester, MN

  2. A Study to Generate Algorithms for Early Prediction of Aggressive Progression and Hospitalization in Patients Diagnosed with SARS-CoV-2/COVID-19 Infection

    Rochester, MN

  3. Surgical Outcomes of Mitral Valve Repair

    Rochester, MN

  4. A Study to Discover and Validate Candidate Genes in Pectus Excavatum

    Scottsdale/Phoenix, AZ

  5. A Study Addendum to the Medtronic, Inc. Product Surveillance Registry/Destination Therapy (DT) Post-Approval Study (PAS) Product Surveillance Registry

    Rochester, MN

  6. Cardiovascular Surgery Biobank

    Rochester, MN

  7. Surveillance HeartCare® Outcomes Registry

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

  8. A Study of Sexual Dysfunction in Patients with Hypertrophic Obstructive Cardiomyopathy Undergoing Septal Myectomy

    Rochester, MN, Rochester, MN

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

    Rochester, MN

  10. A Study to Analyze Tacrolimus Metabolism in Heart Transplant Patients

    Jacksonville, FL


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