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  • Title: Pulsatile luteinizing hormone-releasing hormone treatment of male hypogonadotropic hypogonadism.
    Author: Aulitzky W, Frick J, Galvan G.
    Journal: Fertil Steril; 1988 Sep; 50(3):480-6. PubMed ID: 3137102.
    Abstract:
    Luteinizing hormone-releasing hormone (LH-RH) secretion from the hypothalamus follows a rhythmic pattern, inducing pulsatile luteinizing hormone (LH) and follicle-stimulating hormone (FSH) secretion from the pituitary gland. Consideration of this physiologic principle led to the introduction of pulsatile LH-RH therapy via infusion pump for the treatment of different forms of hypogonadotropic hypogonadism. We report on 10 male patients, 16 to 28 years of age, suffering from idiopathic hypogonadotropic hypogonadism (IHH) including Kallman's syndrome (n = 2) and delayed puberty (n = 2). All presented with complete eunuchoidism and had undergone no treatment for their conditions during the previous 2 years. LH-RH was administered in subcutaneous pulses of 4 to 16 micrograms, with a portable infusion pump (ZYKLOMAT, Ferring Corp., Kiel, FRG); treatment periods ranged from 6 to 24 months. With therapy, the subjects improved secretion of LH, FSH and testosterone. Testicular volumes and penis size increased; all patients developed normal secondary sexual characteristics. Spermatogenesis was induced in all patients. The time to onset of spermatogenesis ranged from 3 to 15 months. No major side effects were observed, and no patient dropped out of the study. The results indicate that pulsatile LH-RH therapy is an highly effective treatment for IHH and delayed puberty.
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