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Discover 21,047 clinical trials near Pittsburgh, Pennsylvania. Find research studies in your area.
Showing 13921-13940 of 21,047 trials
NCT00284453
The purpose of the proposed pilot study is to identify factors which are associated with periods of high ventricular arrhythmia burden. This will be performed by analysis of gene expression from peripheral blood samples.
NCT02808754
This is a randomized controlled trial designed to test an intervention (Remote ischemic preconditioning) in patients undergoing carotid endarterectomy (CEA) for carotid artery stenosis (CAS). The outcomes of interest include neurocognitive function, cardiac complications, and biomarkers of brain ischemia.
NCT03301480
This study will evaluate the impact of hormonal contraceptives on HIV risk associated with changes to the innate immunity in the female genital tract in a cross-sectional study. HIV risk will be evaluated by the capacity of cervical tissue to replicate HIV when challenged ex vivo and correlated to the number of CD4 T cells, DCs, and macrophages; the capacity of cervicovaginal fluid to inhibit HIV will be correlated to soluble mucosal mediators, and the vaginal microbiota. The lower genital tract samples will be collected from 120 adolescents aged 18-19 (40 using no hormonal contraception, 40 using ENG-I, 40 using LNG-IUS). For comparison, 90 adult women aged 25-45 will be equally distributed between the same groupings.