Restoration of Plasma Testosterone Levels in Uremic Men With Clomiphene Citrate

Five men with chronic renal failure and symptoms suggestive of androgen deficiency were treated with clomiphene citrate (Clomid®) at a dose of 100 mg/day for a period of 5 to 12 months. The treatment resulted uniformly in increased libido, sexual potency, and a general sense of well-being. Circulating testosterone rose from a mean basal value of 223 ± 164 to 879 ±171 ng/dl (SD), representing a mean increment of 290%.


Mean serum luteinizing hormone (LH) and folliclestimulating hormone (FSH) values before treatment were 76 ± 40 and 143 ± 85 ng/ml (SD). During treatment, both LH and FSH increased dramatically to 518 ± 302 and 787 ± 291 ng/ml (SD), respectively. Both serum gonadotropin values are expressed as ng/ml of LER 907.


The effect of clomiphene on spermatogenesis in these subjects was inconclusive as either improvement or deterioration occurred. In these five patients, serum prolactin was not related in any way to testicular function as its values were consistently in the normal range throughout the entire study period. Serum total estrogen, however, was elevated in all; the significance of this high circulating estrogen in relation to gonadal dysfunction in uremia is not clear at the present time.


However, we found that normalization of circulating androgen was beneficial to our patients and that long-term clomiphene treatment achieved this goal by increasing pituitary gonadotropin secretion and secondarily stimulating testicular hormonogenesis.


Victoria Sy Lim, Victor S. Fang, Restoration of Plasma Testosterone Levels in Uremic Men With Clomiphene Citrate, The Journal of Clinical Endocrinology & Metabolism, Volume 43, Issue 6, 1 December 1976, Pages 1370–1377.

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