Hypogonadism Clinical Trial
Official title:
Role of FSH in Human Gonadal Development
Men with idiopathic hypogonadotropic hypogonadism (IHH, Kallmann Syndrome) may have small testicular size, low testosterone levels, no history of puberty, and infertility. These men lack a hormone called gonadotropin releasing hormone (GnRH) that stimulates the development and maturation of the testes. This study will investigate the impact of hormonal treatments on men with IHH. The goal of hormonal therapy is to maximize the potential fertility in these individuals.
Status | Terminated |
Enrollment | 19 |
Est. completion date | October 2012 |
Est. primary completion date | October 2012 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria - no history of spontaneous puberty - clinical hypogonadism - infantile testes (< 3 ml) - no reproductive hormone therapy except testosterone - Complete absence of normal LH pulses during 12-hour baseline frequent blood sampling and serum testosterone < 100 ng/dl - Normal testing of the anterior pituitary gland - Negative MRI of the hypothalamic-pituitary area Exclusion Criteria - Prior therapy with gonadotropins (FSH, hCG, or GnRH) |
Country | Name | City | State |
---|---|---|---|
United States | Massachusetts General Hospital | Boston | Massachusetts |
Lead Sponsor | Collaborator |
---|---|
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) |
United States,
Hayes FJ, Pitteloud N, DeCruz S, Crowley WF Jr, Boepple PA. Importance of inhibin B in the regulation of FSH secretion in the human male. J Clin Endocrinol Metab. 2001 Nov;86(11):5541-6. — View Citation
Kumar PA, Pitteloud N, Andrews PA, Dwyer A, Hayes F, Crowley WF Jr, Dym M. Testis morphology in patients with idiopathic hypogonadotropic hypogonadism. Hum Reprod. 2006 Apr;21(4):1033-40. Epub 2006 Jan 5. — View Citation
Pitteloud N, Hayes FJ, Boepple PA, DeCruz S, Seminara SB, MacLaughlin DT, Crowley WF Jr. The role of prior pubertal development, biochemical markers of testicular maturation, and genetics in elucidating the phenotypic heterogeneity of idiopathic hypogonadotropic hypogonadism. J Clin Endocrinol Metab. 2002 Jan;87(1):152-60. — View Citation
Pitteloud N, Hayes FJ, Dwyer A, Boepple PA, Lee H, Crowley WF Jr. Predictors of outcome of long-term GnRH therapy in men with idiopathic hypogonadotropic hypogonadism. J Clin Endocrinol Metab. 2002 Sep;87(9):4128-36. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | LH | Average Luteinizing Hormone levels after treatment. | month 4 of GnRH treatment | |
Primary | FSH | Average Follicle Stimulating Hormone levels after treatment. | month 4 of GnRH treatment | |
Primary | Testosterone | Average Testosterone levels after treatment. | month 4 of GnRH treatment | |
Primary | Inhibin B | Average Inhibin B Levels after treatment. | month 4 of GnRH treatment | |
Primary | Testicular Size (Volume) | Average testicular volume after treatment. | at baseline and month 4 of GnRH treatment | |
Primary | Sperm Count | Average sperm count after treatment. | month 4 of GnRH treatment | |
Secondary | Fertility | Participants actively seeking to conceive. | 24 months |
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