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Find 884 clinical trials for ulcerative colitis near New York, New York. Connect with research centers in your area.
Showing 881-884 of 884 trials
NCT00121147
The purpose of this study is to compare the additive effect on eye pressure of Azopt and Alphagan P to Travatan.
NCT00044369
Varicose veins in the scrotum (varicocele) are responsible for \>20% of male infertility in the US. Varicocele are associated with decreased sperm number and markedly reduced sperm fertilizing ability. Surgical repair or removal of varicocele restores fertility in only 1/3 of cases. The goal of this study is to identify markers that predict the outcome of variocele correction. This would offer considerable health cost savings. Based on preliminary findings, we will obtain testis biopsies and semen specimens from infertile men with varicocele and prospectively examining the levels of cadmium, a toxic metal, and expression of genes required for normal sperm function. The semen and biopsies will be obtained during clinically dictated procedures. Cadmium and gene expression will be compared with response to varicocele repair (i.e., increased sperm production; pregnancy).