Hypogonadism
MONDO:0002146A disorder characterized by decreased function of the gonads. Clinical manifestations in both males and females include poor libido, infertility, and osteoporosis. Additional signs in males include erectile dysfunction, muscle atrophy, gynecomastia and increased abdominal fat. In females, additional signs include shrinking of the breasts and loss of, or failure to develop menstruation.
Also known as: gonadotropin deficiency, hypogonadotropism
163 clinical trials for this condition and its sub-types, 47 tagged with Hypogonadism itself.
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Sub-types of Hypogonadism
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Hypogonadotropic hypogonadism 19 trials · 99 incl. sub-types
10 sub-types
- Congenital hypogonadotropic hypogonadism 0 trials · 82 incl. sub-types Sub-types →
- Kallmann syndrome 3 trials Sub-types →
- Hypogonadotropic hypogonadism 24 without anosmia 1 trial
- Hypogonadotropic hypogonadism 10 with or without anosmia 0 trials
- Hypogonadotropic hypogonadism 12 with or without anosmia 0 trials
- Hypogonadotropic hypogonadism 13 with or without anosmia 0 trials
- Hypogonadotropic hypogonadism 23 with or without anosmia 0 trials
- Hypogonadotropic hypogonadism 25 with anosmia 0 trials
- Hypogonadotropic hypogonadism 26 with or without anosmia 0 trials
- Hypogonadotropic hypogonadism 27 without anosmia 0 trials
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Gonadal dysgenesis 1 trial · 31 incl. sub-types
5 sub-types
- Turner syndrome 28 trials Sub-types →
- 46 XX gonadal dysgenesis 1 trial Sub-types →
- 46,XY complete gonadal dysgenesis 0 trials · 1 incl. sub-types Sub-types →
- 45,X/46,XY mixed gonadal dysgenesis 0 trials
- Testicular dysgenesis syndrome 0 trials
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Hypogonadism, male 24 trials
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Eunuchism 16 trials
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Slti-Salem syndrome 0 trials
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Weinstein kliman scully syndrome 0 trials
Most studied deeper sub-types
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Can a pill replace shots for low testosterone?
Disease control CompletedResearchers are testing an oral form of native testosterone called DITEST in men with primary or secondary hypogonadism. The trial measures how much testosterone reaches the blood after a single dose, both with and without food, and compares it to an existing oral testosterone tr…
Phase 1 • Sponsor: Neurocrine UK Limited • Aim: Disease control
Last updated Sep 16, 2026 00:00 UTC
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Could a natural tablet help men with low sperm count?
Disease control CompletedThis study tested a natural product called FPT-20 in 16 men with sperm production problems due to testicular inflammation. Participants took one tablet daily for 6 to 12 months. The goal was to see if the supplement could increase sperm count and improve semen quality.
Sponsor: Trieu, Nguyen Thi, M.D. • Aim: Disease control
Last updated Jun 27, 2026 13:04 UTC
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Can testosterone fix fragile bones in diabetic men?
Disease control CompletedThis study looked at whether testosterone therapy can improve bone health in men who have both type 2 diabetes and low testosterone. About 92 male veterans aged 35 to 70 took part. Researchers measured bone strength using special scans and blood tests over 12 months to see if tes…
Phase 4 • Sponsor: VA Office of Research and Development • Aim: Disease control
Last updated Jun 27, 2026 12:24 UTC
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Could a natural hormone restore ovulation in women with hypothalamic amenorrhea?
Disease control CompletedThis early study tested whether a naturally occurring hormone called kisspeptin can stimulate reproductive hormones and help women with hypothalamic amenorrhea (a condition where periods stop due to low hormone levels) release eggs. Thirteen women received pulsatile injections of…
Phase 1 • Sponsor: Stephanie B. Seminara, MD • Aim: Disease control
Last updated Jun 27, 2026 07:53 UTC
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Can testosterone shots relieve dry eye? new study investigates
Disease control CompletedThis study looked at whether testosterone replacement therapy can improve dry eye symptoms in men with low testosterone. Researchers measured tear quality and eye surface health in 77 men before and during treatment. The goal was to see if hormone therapy could help manage dry ey…
Sponsor: Neon Hospital • Aim: Disease control
Last updated Jun 26, 2026 16:23 UTC
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Testosterone therapy tested as new pain relief for women on opioids
Symptom relief CompletedThis study tested whether giving testosterone to older women with chronic back pain and low testosterone could improve pain, physical function, and quality of life. 36 women received weekly injections of either testosterone or a placebo for several weeks. The goal was to see if t…
Phase 2 • Sponsor: Brigham and Women's Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 12:07 UTC
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Scientists unravel mysteries of puberty and fertility hormone
Knowledge-focused CompletedThis study looked at people with low or no GnRH, a hormone that controls puberty and fertility. Researchers studied 111 adults and teens to understand how GnRH problems affect the body. The goal was to find new hormone patterns and genetic causes, not to test a treatment.
Sponsor: National Institute of Environmental Health Sciences (NIEHS) • Aim: Knowledge-focused
Last updated Sep 10, 2026 00:00 UTC
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Could a brain hormone fix low sex hormones? small study hints at possibility
Knowledge-focused CompletedThis completed Phase 2 trial tested a natural hormone called kisspeptin in 18 adults with hypogonadotropic hypogonadism, a condition where the body doesn't produce enough sex hormones. Participants received different doses of kisspeptin to see how it affected hormone pulses. The …
Phase 2 • Sponsor: Stephanie B. Seminara, MD • Aim: Knowledge-focused
Last updated Aug 28, 2026 00:00 UTC
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Scientists hunt for genes that control puberty
Knowledge-focused CompletedThis study aims to find the genes involved in inherited reproductive disorders, such as delayed or early puberty and low hormone levels. Researchers will analyze genetic data from 600 participants with these conditions. The goal is to identify genetic variations that may explain …
Sponsor: Stephanie B. Seminara, MD • Aim: Knowledge-focused
Last updated Jul 15, 2026 00:00 UTC
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Opioid blockers may shed light on low testosterone mystery
Knowledge-focused CompletedThis study looked at how a drug that blocks opioids (naloxone) affects hormone signals in the brain related to testosterone. 23 men with a condition called hypogonadotropic hypogonadism (low testosterone) took part. The goal was to understand the body's hormone control, not to tr…
Phase 1 • Sponsor: Stephanie B. Seminara, MD • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:01 UTC
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Testosterone 'Muscle Memory' may help aging men stay stronger longer
Knowledge-focused CompletedThis study looked at whether giving older men testosterone for a few weeks, with or without resistance exercise, could create a lasting 'muscle memory' that makes it easier to regain muscle later. Forty-five sedentary men aged 55-70 received either testosterone or placebo injecti…
Phase 2/3 • Sponsor: Norwegian School of Sport Sciences • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:10 UTC
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Healthy men test two versions of fertility drug in bioequivalence study
Knowledge-focused CompletedThis study tested whether a new liquid form of follitropin alfa (a hormone used for fertility) works the same as the standard powder form. Fifty-five healthy men with low testosterone levels were given both versions at different times. The goal was to compare how the drug is abso…
Phase 1 • Sponsor: EMD Serono Research & Development Institute, Inc. • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:07 UTC