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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 1-4 of 4 for Premature birth

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  • Study status: Open/Status Unknown
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  1. A Dose-Ranging Study to Determine the Effectiveness, Safety and Tolerability of AeroFact

    Rochester, MN

  2. A Study of the Effects of Initiating Assisted Ventilation During a Period of Delayed Cord Clamping for Extremely Preterm Infants

    Rochester, MN

  3. A Study of the Effects of Preterm Birth on Lung Disease and Innate Immunity Later in Life

    Rochester, MN

  4. A Study of Pregnancy and Neonatal Outcomes in Women with Inflammatory Bowel Disease Who Took Biologics

    Rochester, MN


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