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A study on infantile gonadotropin treatment for male hypogonadotropic hypogonadism

A multicenter study on infantile gonadotropin treatment for male hypogonadotropic hypogonadism (MHH) - Infantile Gn treatment study for MHH

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000047088
Enrollment
40
Registered
2022-03-05
Start date
2020-09-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Male hypogonadotropic hypogonadism

Interventions

1. Human chorionic gonadotropin (hCG) preparation (Brand name: HCG for intramuscular injection) 500 IU once a week, intramuscular injection into the thigh 2. Recombinant human FSH (rFSH) Subcutaneou

Sponsors

Tokyo Metropolitan Children's Medical Center
Lead Sponsor
Kumamoto University Kyushu University Kurume University Oita University Niigata University Hokkaido University
Collaborator

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Prospective intervention trial group 1) Having one of the following three symptoms; Small penis (extended penis length less than 25 mm) Small testis (testis volume less than 1 mL) Undescended testes examined at least once 2) Insufficiency of gonadotropin secretion confirmed by one of the following methods A) LH value less than 0.5 (IU/L) at less than 210 days after birth B) LH peak value less than 2 mIU/ml and LH/FSH ratio of less than 1.0 in LHRH test conducted less than 210 days after birth. C)Identified hypoplasia of the olfactory bulb and olfactory sulcus on MRI 2. Historical control group Patients seen at the facility between April 2000 and March 2017 with a follow-up more than 3 years The above 1) and 2) have been confirmed at the time of first medical examination or before treatment with testosterone etc.

Exclusion criteria

Exclusion criteria: 1. Prospective intervention trial group 1) Patients who have been treated with gonadotropin preparations or any of the following prohibited drugs 2) Patients with congenital malformations such as hydro-encephalopathy affecting life prognosis and brain tumors. 2. Historical control group Patients satisfying 1) described above <Prohibited drugs> 1. Testosterone preparation (testosterone enanthate, DHT cream) (However, adding testosterone preparations to the small penis after intervention treatment is an additional treatment and is not prohibited.) 2. hMG formulation 3. Anabolic hormone agents 4. Estrogen preparation 5. Aromatase inhibitor 6. Spironolactone 7. GnRH agonist formulation

Design outcomes

Primary

MeasureTime frame
Changes in penile length at the end of observation period, compared with pretreatment period

Secondary

MeasureTime frame
Efficacy Change in testis size at the end of observation period, compared with pretreatment period Change in testicular position at the end of observation period, compared with pretreatment period Changes in serum anti-Mullerian hormone, testosterone, and FSH before, during, and after treatment Safety Changes in bone age before and after treatment Presence of adverse events

Countries

Japan

Contacts

Public ContactYukihiro Hasegawa

Tokyo Metropolitan Children's Medical Center Division of Endocrinology and Metabolism

yhaset@gmail.com81-42-300-5111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026