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Central Precocious PubertyPhase 3NCT04736602

Efficacy and Safety Study of Triptorelin 3-Month Formulation in Chinese Children With Central Precocious Puberty.

A Phase 3 study testing Triptorelin pamoate 15mg in people with Central Precocious Puberty, run by Ipsen at 7 sites in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this research was to confirm the effectiveness and safety of the study drug, Triptorelin pamoate 15mg 3-month formulation, in a Chinese population of Central Precocious Puberty (CPP) children. Read more about this study

Who is it for?
Ages Up to 10 years
Conditions the study is for
Central Precocious Puberty
What is being tested?
Triptorelin pamoate 15mg
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
32 participants
Where
7 sitesChina
Study dates
27 Mar 2021to 3 Sep 2022
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Up to 10 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • 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
  • Subjects will qualify for the extension phase if they sign the corresponding specific consent form, are still benefiting from treatment at the end the primary study and have not experienced any unacceptable safety issues.

Who cannot join

  • 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)
Show all 10Show fewer
  • 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.

Trial locations and contacts

7 sites in 1 country.

7 sites in 1 country

China7 sites
  • Chengdu Women's and Children's Central Hospital

    Chengdu, 610073

  • Jiangxi Provincial Children's Hospital

    Nanchang, 330006

  • Children's Hospital of Nanjing

    Nanjing, 210008

  • Tangshan Maternal & Child Health Hospital

    Tangshan, 063000

  • Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology

    Wuhan, 430030

  • Wuxi Children's Hospital

    Wuxi, 214023

  • Henan Children's Hospital, Zhengzhou Children's Hospital

    Zhengzhou, 450018

Other trials in China

About this study

Official title: 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

The purpose of this research was to confirm the effectiveness and safety of the study drug, Triptorelin pamoate 15mg 3-month formulation, in a Chinese population of Central Precocious Puberty (CPP) children.

Being tested
Triptorelin pamoate 15mg
Medical subject headings
Puberty, Precocious

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Triptorelin pamoate 15mgDrug

    Intramuscular injection (IM)

Study groups in NCT04736602
Study groupRoleWhat they receive
Triptorelin Pamoate 15mg for injectionExperimentalTriptorelin was injected at day 1 and month 3. If participants were willing to enter the extension phase, two additional Triptorelin injections were given at month 6 and month 9.
Receives: Drug: Triptorelin pamoate 15mg

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage of Participants With Luteinising Hormone (LH) Suppression After Gonadotropin-Releasing Hormone (GnRH) Stimulation

    The LH suppression was defined as stimulated peak LH ≤3 International Units/Liter (IU/L). The GnRH stimulation test was performed by using an intravenous (IV) injection of gonadorelin (synthetic GnRH) to stimulate gonadotrophin release and blood samples were collected after the gonadorelin injection for central assessment of serum LH levels.

    Measured: At Month 3

Secondary outcomes (16)
  1. Change From Baseline in Basal LH and Follicle-Stimulating Hormone (FSH) Serum Levels

    Basal LH and FSH serum concentrations were analyzed centrally. Change from baseline was defined as the value for LH and FSH levels at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6, 9 and 12

  2. Percentage of Participants With LH Suppression After GnRH Stimulation

    A synthetic GnRH (gonadorelin) was used for gonadotrophin stimulation. Blood samples were collected prior to gonadorelin injection (timepoint T0) and at 30 minutes (T30), 60 minutes (T60) and 90 minutes (T90) (±5 minutes at each timepoint) after a single IV injection of gonadorelin. A suppressed LH response to GnRH stimulation test was defined as peak LH ≤3 IU/L among the 4 timepoints T0, T30, T60 and T90).

    Measured: At Months 6 and 12

  3. Change From Baseline in Peak LH and FSH Level After GnRH Stimulation

    A synthetic GnRH was used for gonadotrophin stimulation. Blood samples were collected prior to gonadorelin injection (timepoint T0) and at 30 minutes (T30), 60 minutes (T60) and 90 minutes (T90) (±5 minutes at each timepoint) after a single IV injection of gonadorelin. The FSH response to GnRH stimulation was the peak FSH level among the 4 timepoints (T0, T30, T60 and T90). The LH response to GnRH stimulation test was defined as peak LH ≤3 IU/L among the 4 timepoints T0, T30, T60 and T90). Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6 and 12

  4. Percentage of Participants With Prepubertal Levels of Sex Steroids

    Prepubertal sex steroids assessment included estradiol in female participants and testosterone in male participants. Prepubertal sex steroids levels were defined as: estradiol ≤20 picogram (pg)/milliliter (mL) in female participants and testosterone ≤0.3 nanogram (ng)/mL in male participants.

    Measured: At Months 3, 6, 9 and 12

  5. Change From Baseline in Estradiol Levels

    Estradiol serum concentration was analyzed centrally. Change from baseline was defined as the value for estradiol levels at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6 ,9 and 12

  6. Change From Baseline in Testosterone Levels

    Testosterone serum concentration was analyzed centrally. Change from baseline was defined as the value for testosterone levels at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6 ,9 and 12

  7. Percentage of Participants With Change From Baseline in Pubertal Stage

    Pubertal stage parameters were analyzed using Tanner method. Pubertal stage parameters included genital stage in male participants, breast stage in female participants and pubic hair stage in both sexes.

    Measured: Baseline (Day 1) and at Months 6 and 12

  8. Percentage of Participants With Stabilized Pubertal Stage Compared to Baseline

    Pubertal stage parameters were analyzed using Tanner method. Pubertal stage parameters included genital stage in male participants, breast stage in female participants and pubic hair stage in both sexes.

    Measured: Baseline (Day 1) and at Months 6 and 12

  9. Change From Baseline in Auxological Parameter: Height

    Auxological parameter including height was analyzed. Change from baseline was defined as the value for each auxological parameter at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6, 9 and 12

  10. Change From Baseline in Auxological Parameter: Weight

    Auxological parameter including weight was analyzed. Change from baseline was defined as the value for each auxological parameter at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6, 9 and 12

  11. Change From Baseline in Auxological Parameter: Growth Velocity

    Auxological parameter including growth velocity was analyzed. Change from baseline was defined as the value for each auxological parameter at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6, 9 and 12

  12. Change From Baseline in Auxological Parameter: Body Mass Index (BMI)

    Auxological parameter including BMI was analyzed. Change from baseline was defined as the value for each auxological parameter at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 3, 6, 9 and 12

  13. Change From Baseline in Bone Age (BA)

    BA was determined using X-rays of the hand and wrist. Change from baseline was defined as the value for BA at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 6 and 12

  14. Change From Baseline Difference Between BA and Chronological Age (CA)

    BA was determined using X-rays of the hand and wrist. Change from baseline was defined as the difference between BA and CA value at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 6 and 12

  15. Change From Baseline in Uterine Length

    Uterine length was determined by type B ultrasound. Change from baseline was defined as the value of uterine length at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 6 and12

  16. Change From Baseline of Testicular Volume

    Testicular volume was determined by type B ultrasound. Change from baseline was defined as the value of testicular volume at indicated timepoints minus the value at baseline. Baseline was defined as the last non-missing measurement taken prior to the first dose administered.

    Measured: Baseline (Day 1) and at Months 6 and 12

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted3 Feb 2021
  2. Study start27 Mar 2021
  3. Primary completion9 Feb 2022
  4. Study completion3 Sep 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
32 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04736602
Sponsor's protocol ID
D-CN-52014-243
Status last verified
Feb 2024
First submitted
29 Jan 2021
Last updated
1 Aug 2024
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, annotated case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of study participants. Any requests should be submitted to www.vivli.org for assessment by an independent scientific review board.

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Triptorelin pamoate 15mg in people with Central Precocious Puberty, run by Ipsen at 7 sites in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 1 Aug 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 1 Aug 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage of Participants With Luteinising Hormone (LH) Suppression After Gonadotropin-Releasing Hormone (GnRH) Stimulation (time frame: At Month 3). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Aug 2024.

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