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Discover 18,076 clinical trials near Pittsburgh, Pennsylvania. Find research studies in your area.
Showing 16241-16260 of 18,076 trials
NCT00000403
This study will determine whether doxycycline decreases the severity or rate of progression of osteoarthritis (OA) in the knee. Nonsteroidal anti-inflammatory drugs (NSAIDs) are the most popular agents used to treat OA, but elderly women, in whom OA is especially common, are at greatest risk of developing serious side effects from NSAIDs. Our study targets overweight middle-aged women who have OA in one knee. Half of the 432 study participants will receive the treatment (doxycycline) and half will receive a placebo (inactive pill). Treatment with doxycycline (or placebo) will last 30 months, and participants and researchers will not know who is receiving doxycycline and who is receiving placebo until the end of the study. We will look for narrowing of the joint space in the knee that was not affected by OA at the start of the study. Joint space narrowing is a sign of OA. We will also use questionnaires to evaluate participants' symptoms and functioning.
NCT00897858
RATIONALE: Studying samples of cerebrospinal fluid from patients with cancer in the laboratory may help doctors identify biomarkers related to cancer. PURPOSE: This laboratory study is studying cerebrospinal fluid proteins and angiogenesis proteins in young patients with newly diagnosed central nervous system tumors.