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Study phase

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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 Degenerative disk

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  1. Transforaminal Lumbar Interbody Fusion (TLIF)

    Rochester, MN

  2. A Study of the Effectiveness of EXPAREL for Pain Control in Adult Subjects Undergoing Open Lumbar Spinal Fusion Surgery

    Rochester, MN

  3. A Study in Adult Subjects Undergoing Posterior Lumbar Spine Surgeries

    Rochester, MN

  4. A Study to Investigate the Molecular Foundation of Spinal Tissue

    Rochester, MN

  5. Surgical Waste Intervertebral Disc Tissue Analysis

    Rochester, MN

  6. A Study to Collect Clinical Outcomes Data of Patients Treated with the Rampart Duo Device for Lateral Lumbar Interbody Fusion Procedure Performed at One or Two Contiguous Levels

    Rochester, MN


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