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  • Title: Reversible azoospermia induced by an androgen-progestin combination regimen in Indonesian men.
    Author: Pangkahila W.
    Journal: Int J Androl; 1991 Aug; 14(4):248-56. PubMed ID: 1831798.
    Abstract:
    The suppression of spermatogenesis by a combination of depot medroxyprogesterone acetate (DMPA) and testosterone enanthate (TE) was studied in Indonesian men. Twenty healthy, fertile volunteers were allocated randomly to either of two treatments each consisting of four intramuscular injections at monthly intervals. Group I (n = 10 men) received 100 mg DMPA plus 100 mg TE monthly while group II (n = 10 men) received 200 mg DMPA plus 250 mg TE monthly. Sperm concentration was suppressed markedly, with all men attaining azoospermia between the third and fourth month after the start of treatment. There was no significant difference in the suppression of spermatogenesis between the two dosage regimens. The median time to reaching azoospermia was 2.5 months from the onset of injections and the median time to recovery of sperm in the ejaculate was 2.0 months after cessation of treatment. Both steroid regimens were equally effective in suppressing LH, FSH and testosterone levels. Testosterone levels returned to baseline by the fourth post-treatment month while LH and FSH demonstrated significant rebound above baseline levels from 3 to 5 months after cessation of treatment. No serious clinical side effects were observed. Weight gain and increases in libido were reported during treatment by most volunteers. A transient decrease in libido was noted in 5/20 (25%) men between 1-2 months after cessation of injections, presumably due to the prolonged effects of DMPA relative to TE. These results indicate that uniform induction of reversible azoospermia with minimal side effects can be achieved in a non-Caucasian population.(ABSTRACT TRUNCATED AT 250 WORDS)
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