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Discover 22,668 clinical trials near New York, New York. Find research studies in your area.
Showing 9861-9880 of 22,668 trials
NCT01276587
This pilot study aims to answer the question whether monthly oral vitamin D3 supplementation, 100,000 IU, will be safe and effective in raising serum 25-hydroxyvitamin D (form of vitamin D measured in the blood) to levels considered sufficient (30 ng/mL) but well below the threshold for toxicity (150 ng/mL) in children with sickle cell disease. Information from this study will be crucial before we perform a larger clinical trial to determine the effects of vitamin D in reducing respiratory complications in patients with sickle cell disease.
NCT03542760
This prospective, observational registry aims to collect real-world data regarding the safety and efficacy of ProvayBlue® (methylene blue 0.5%) used according to normal standard of care for the treatment of acquired methemoglobinemia. Methylene blue has been used for decades as a rescue medication for the treatment of methemoglobinemia, a rare and potentially life-threatening condition in which elevated levels of methemoglobin impede the delivery of oxygen from blood to body tissues. However, consistent prospective data about the safety and efficacy of this medication are sparse, simply because of the rarity of the disorder. ProvayBlue® received accelerated FDA approval for treatment of acquired methemoglobinemia in 2016. This large, prospective, multi-center observational registry has been initiated to gain more information on the use of methylene blue in the treatment of acquired methemoglobinemia.