Status:

RECRUITING

Efficacy and Safety of Leuprolide Acetate 45 mg in Subjects With Central Precocious Puberty

Lead Sponsor:

HanAll BioPharma Co., Ltd.

Conditions:

CPP

Eligibility:

All Genders

4-9 years

Phase:

PHASE4

Brief Summary

This study is a multicenter, open-label, single-group, and phase 4 study to evaluate the efficacy and safety of 45 mg of leuprolide acetate in CPP. Screening tests are performed after the subject agr...

Eligibility Criteria

Inclusion

  • Pubertal-type LH response following an abbreviated GnRH stimulation test before treatment initiation \> 5 IU/L
  • A subject manifested with central precocious puberty according to the following criteria Age : Boy (4 years of age or older \~ under 9 years of age) Girl (4 years of age or older \~ under 8 years of age) Tanner Stage : Level 2 or higher
  • Based on baseline visit (Day 0), those under the age of 10 for boys and those under the age of 9 for girls
  • Confirmed diagnosis of CPP within 12 months of Baseline Visit (Day 0) but have not received prior GnRH agonist treatment for CPP
  • Children with a body weight of more than 20 kg at screening
  • Children have a bone age that is ≥1 year older than their chronological age at screening
  • A signed written consent form by a legal representative who has been informed about this study

Exclusion

  • Gonadotropin-independent (peripheral) precocious puberty: extra pituitary secretion of gonadotropins or gonadotropin-independent gonadal or adrenal sex steroid secretion
  • Prior or current GnRH treatment for CPP
  • Non-progressing isolated premature thelarche
  • Presence of an unstable intracranial tumor or an intracranial tumor requiring neurosurgery or cerebral irradiation. Subjects with hamartomas not requiring surgery are eligible.
  • Prior (within 12 weeks of Screening) use of medications
  • Hormonal agonists (Estrogen, Progesterone, FSH, LH, Testosterone etc.)
  • Hormonal antagonists (Anti-Estrogen agents, Anti-Androgen agents)
  • Steroid use (except for mild topical steroids, oral steroids are allowed within 30 days)
  • Herbal Medicines
  • Prior or current therapy with growth hormone
  • Major medical or psychiatric illness that could interfere with study visits
  • Diagnosis of short stature (i.e. 2 standard deviations (SD) below the mean height for age or 3rd percentile for age)
  • Pregnant or likely pregnant women (Positive urine pregnancy test), nursing women
  • Known hypersensitivity to GnRH or related compounds
  • Any other medical condition or serious intercurrent illness that, in the opinion of the investigator, may make it undesirable for the subject to participate in the study
  • Any other condition(s) which could significantly interfere with Protocol compliance
  • Treatment with an investigational product within 5 half-lives of that product in prior clinical studies before the baseline visit (Day 0)
  • Known history of seizures, epilepsy, and/or central nervous system disorders that may be associated with seizures or convulsions
  • Prior (within 6 months of Baseline (Day 0)) or current use of medications that, per investigator opinion, have been associated with seizures or convulsions

Key Trial Info

Start Date :

December 12 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 30 2027

Estimated Enrollment :

50 Patients enrolled

Trial Details

Trial ID

NCT06926933

Start Date

December 12 2024

End Date

October 30 2027

Last Update

April 15 2025

Active Locations (9)

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Page 1 of 3 (9 locations)

1

Korea University Ansan Hospital

Ansan, South Korea

2

Jeonbuk National University Hospital

Jeonju, South Korea

3

Chosun University Hospital

Kwangju, South Korea

4

Seoul National University Bundang Hospital

Seongnam, South Korea

Efficacy and Safety of Leuprolide Acetate 45 mg in Subjects With Central Precocious Puberty | DecenTrialz