Clinical Trials


An Open-label, Multicentre, Single Arm Study to Assess the Efficacy and Safety of Triptorelin 3-month Formulation in Chinese Children With Central Precocious Puberty

Intervention Type: Drug
Study Type: Interventional
Sponsors: Ipsen
Participants: 32
The purpose of this study is to observe whether the Triptorelin pamoate 15mg (3-month formulation) effectiveness in Chinese population of CPP children has the same or similar trend with that in overseas CPP population. This is measured by assessing the proportion of children who have a suppressed Luteinizing Hormone (LH) response to Gonadotropin Releasing Hormone (GnRH) test performed 3 months after injection of triptorelin.
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Ipsen Recruitment Enquiries
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Sex: All
Maximum Age: 10
Healthy Volunteers: No
Inclusion Criteria:
- Onset of development of secondary sex characteristics before 8 and 9 years in girls and boys, respectively breast development in girls or testicular enlargement in boys according to the Tanner method: Stage II
- Pubertal response of LH to GnRH stimulation test (stimulated peak LH ≥5 IU/L)
- Difference between bone age (BA) (according to Greulich and Pyle method) and chronological age (CA) >1 year
- Girls with Tanner staging ≥2 for breast development and enlarged uterine length and several follicles with diameter >4 mm in the ovary at Screening visit; boys who have testicular volume ≥4 mL at Screening visit
- Age < 9 years old for girls and < 10 years old for boys at initiation of triptorelin treatment
- Weight at least 20 kg
Exclusion Criteria:
- Gonadotropin-independent (peripheral) precocious puberty: extra pituitary secretion of gonadotropins or gonadotropin-independent gonadal or adrenal sex steroid secretion
- Non-progressing isolated premature thelarche
- Presence of an unstable intracranial tumour or an intracranial tumour requiring neurosurgery or cerebral irradiation. Participants with hamartomas not requiring surgery are eligible
- Evidence of renal (creatinine >1.5 x upper limit of normal (ULN)) or hepatic impairment (bilirubin >1.5 x ULN or alanine aminotransferase (ALT)/aspartate transaminase (AST) >3 x ULN)
- Any other condition or chronic illness or treatment possibly interfering with growth or other study endpoints (e.g. chronic steroid use except topical steroids, renal failure, diabetes, moderate to severe scoliosis)
- Prior or current therapy with a GnRH agonist (GnRHa), medroxyprogesterone acetate, growth hormone or insulin-like growth factor-1 (IGF-1)
- Diagnosis of short stature, i.e. >2.25 standard deviation (SD) below the mean height for age
- Major medical or psychiatric illness that could interfere with study visits
- Known hypersensitivity to any of the test materials or related compounds
- Use of anticoagulants (heparin and coumarin derivatives) within the 2 weeks prior to the Screening visit.
Relevant Conditions

Precocious Puberty

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