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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 1-3 of 3 for Hereditary hemorrhagic telangiectasia

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  1. A Study to Analyze an Ultra-low-dose Chest CT Technique to Screen for Pulmonary Arteriovenous Malformations in Pediatric Patients with Hereditary Hemorrhagic Teleangiectasia

    Rochester, MN

  2. A Study to Evaluate Pomalidomide to Treat Bleeding in Hereditary Hemorrhagic Telangiectasia (HHT)

    Rochester, MN

  3. A Study to Establish a Vascular Anomalies Tissue Repository

    Rochester, MN


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