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Fertil Steril. 2009 Apr;91(4 Suppl):1427-30. doi: 10.1016/j.fertnstert.2008.06.002. Epub 2008 Aug 9.
The effect of selective estrogen receptor modulator administration on the hypothalamic-pituitary-testicular axis in men with idiopathic oligozoospermia.
Tsourdi E, Kourtis A, Farmakiotis D, Katsikis I, Salmas M, Panidis D.
Source
Second Department of Obstetrics and Gynecology, Division of Endocrinology and Human Reproduction, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Abstract
This study evaluates, compares, and contrasts the effects of three selective estrogen receptor modulators (SERMs), namely, tamoxifen, toremifene, and raloxifene, on the hypothalamic-pituitary-testicular axis in 284 consecutive subfertile men with idiopathic oligozoospermia using three therapeutic protocols: [1] tamoxifen, 20 mg, once daily (n = 94); [2] toremifene, 60 mg, once daily (n = 99); and [3] raloxifene, 60 mg, once daily (n = 91). The antiestrogenic effects of SERMs at the hypothalamic level result in a statistically significant increase of gonadotropin levels, which is more marked for tamoxifen and toremifene compared with raloxifene.