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Find 1,550 clinical trials for rheumatoid arthritis near Los Angeles, California. Connect with research centers in your area.
Showing 1341-1360 of 1,550 trials
NCT01850225
Current treatment options for bilateral profoundly deaf children, diagnosed with inner ear anatomical abnormalities are limited, and in the case of absent cochleas, non-existent. An auditory brainstem implant (ABI) places an electrode close to the auditory nucleus in the brainstem. Children aged 2 - 5 who are not candidates for a cochlear implant, or who did not demonstrate benefit from a cochlear implant, will be implanted with an ABI and followed for 1 year for safety and a total of 3 years for preliminary efficacy. This is a feasibility study to determine the safety of the ABI.
NCT01218828
Using a randomized controlled trial design, two hydration protocols for the prevention of contrast medium-induced nephropathy will be tested.
NCT00312117
Contrast nephropathy (CN) is a common cause of renal failure associated with prolonged hospitalization, significant morbidity/mortality, and cost. In addition, these patients may require temporary or permanent hemodialysis which, in turn, is associated with further morbidity, mortality, and cost. CN has been reported to account for 10% of hospital acquired renal failure. In recent years, studies have investigated preventive therapies with mixed results. Fenoldopam was found to be ineffective in a large randomized trial. Dopamine has been shown to be ineffective as a preventive strategy. Hemofiltration has been shown to be beneficial (New England Journal of Medicine \[NEJM\] 2003) but is costly and not practical. Mucomyst has shown mixed results. The single strategy which most would agree as being beneficial remains hydration, most commonly with intravenous 0.9% normal saline. Most recently, sodium bicarbonate has been shown to be beneficial in a small randomized trial (n=119). It is clear that the most cost effective strategies for treatment of CN should be aimed at prevention. The general question is: "Is a sodium bicarbonate solution more efficacious in preventing contrast nephropathy compared to normal saline?" The general hypothesis is that sodium bicarbonate will be more efficacious.