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Knee Outcome, Subjective clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT01033188 Completed - Clinical trials for Knee Outcome, Subjective

Double Bundle Anterior Cruciate Ligament Reconstruction

Start date: January 2010
Phase: N/A
Study type: Interventional

There has been an increased awareness towards ACL (anterior cruciate ligament) injuries for Norwegian teams, particularly in handball and soccer. The reported number of reconstructions in Norway ranges from 1500 to 2000 per year, and in the United States from 50,000 to 100,000 per year, making ACL reconstruction one of the most common orthopaedic procedures performed, especially among young, active and healthy individuals. However, reports state that there is a subset of patients (10-40%) who remain subjectively and objectively unstable and/or are unable to regain prior function. Additionally, it has been reported that degenerative joint disease is associated with traditional single-bundle ACL reconstructions in up to 50% of the patients in long term follow up studies. It is well known that the ACL is composed of 2 functional bundles named after their tibial attachments, the anteromedial (AM) and posterolateral (PL) bundles. It is believed that the current single-graft, single-bundle technique for reconstructing the anterior cruciate ligament does not anatomically reconstruct either one of these bundles. In the last two years, the double bundle technique has been introduced and a few clinical studies are available, however only a few RCTs. Further study is very important to determine if double-bundle ACL reconstructions should be performed, if single-bundle reconstructions can be adjusted to better adapt to their biomechanical insufficiency in restoring internal rotation torques and valgus moments, and also in trying to identify which patients might better benefit from single-bundle versus double-bundle ACL reconstructions.