A Phase II Study of PEG-rhGH Injection for Short Children Born Small for Gestational Age: Efficacy, Safety, and Pharmacokinetics

NCT ID: NCT07260500

Last Updated: 2025-12-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

72 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-11-11

Study Completion Date

2027-01-31

Brief Summary

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This study will take place at multiple sites and is divided into three phases:an initial 4-week getting-to-know-you phase,a 26-week main phase where participants receive medication,and a 4-week follow-up phase.Participants will be divided into three groups:two will receive different doses of PEG-rhGH Injection,and the third will receive hGH Injection.The goal is to determine which medication works best.

Detailed Description

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Conditions

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Short Stature Children Born Small for Gestational Age (SGA)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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PEG-rhGH dose 1 weekly

Jintrolong® dose 1, subcutaneous injection, once every week for 26 weeks.

Group Type EXPERIMENTAL

PEG-rhGH Injection

Intervention Type DRUG

Jintrolong® Dose 1, subcutaneous injection, once weekly for 26 weeks for 24 subjects..

Jintrolong® Dose 2, subcutaneous injection, once weekly for 26 weeks for 24 subjects..

PEG-rhGH dose 2 weekly

Jintrolong® dose 2, subcutaneous injection, once every week for 26 weeks

Group Type EXPERIMENTAL

PEG-rhGH Injection

Intervention Type DRUG

Jintrolong® Dose 1, subcutaneous injection, once weekly for 26 weeks for 24 subjects..

Jintrolong® Dose 2, subcutaneous injection, once weekly for 26 weeks for 24 subjects..

Daily hGH (active control)

Jintropin® dose 3, subcutaneous injection, once daily for 26 weeks.

Group Type ACTIVE_COMPARATOR

hGH Injection

Intervention Type DRUG

Jintropin® dose 3, subcutaneous injection, once daily for 26 weeks (active comparator) for 24 subjects.

Interventions

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PEG-rhGH Injection

Jintrolong® Dose 1, subcutaneous injection, once weekly for 26 weeks for 24 subjects..

Jintrolong® Dose 2, subcutaneous injection, once weekly for 26 weeks for 24 subjects..

Intervention Type DRUG

hGH Injection

Jintropin® dose 3, subcutaneous injection, once daily for 26 weeks (active comparator) for 24 subjects.

Intervention Type DRUG

Other Intervention Names

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Jintrolong® Jintropin®

Eligibility Criteria

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Inclusion Criteria

* Born full-term and "small-for-dates" - Born at 37-41 weeks (full-term). - Birth weight below the 10th percentile for that week of pregnancy and sex .
* At least 3 years old on the day the parent signs the consent form.
* Still prepubertal (Tanner stage I - no signs of puberty yet).
* Height at the first study visit is more than 2 standard deviations below the average for his or her age and sex.
* Bone age on X-ray is no more than 1 year ahead of real age.
* Never taken growth hormone, IGF-1, or any ghrelin-like medicine before.
* Child and parent/guardian are willing to sign the consent form and follow the study visits.

Exclusion Criteria

* Severe allergy to growth hormone or its ingredients.
* Growth-hormone deficiency.
* Any chromosome/genetic/syndrome cause of short stature.
* Other diseases that can impair growth.
* Cognitive, developmental, or psychiatric disorders that could affect assessments .
* Current or past cancer, or high familial cancer risk.
* Positive hepatitis B, hepatitis C, HIV, or active tuberculosis at screening.
* Abnormal liver or kidney blood tests.
* Pre-diabetes or diabetes at screening .
* Systemic steroids \> 28 consecutive days or \> 14 days total in the last 3 months.
* High-dose inhaled steroids \> 28 days in the last year.
* Prior use of aromatase inhibitors, GnRH analogues, sex hormones, anabolic agents, or other drugs that affect growth. 13. Unable to receive subcutaneous injections.
* Claustrophobia or inability to undergo brain MRI.
* Participated in another clinical trial with investigational treatment within 3 months.
* Any other condition that, in the investigator's opinion, makes the child unsuitable for the study.
Minimum Eligible Age

3 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Changchun GeneScience Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology

Wuhan, Hubei, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Xiao Ping Luo

Role: CONTACT

+8613387522645

Ling Hou

Role: CONTACT

+8613437131846

Facility Contacts

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Ling Hou

Role: primary

+8613437131846

Other Identifiers

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GenSci031-202

Identifier Type: -

Identifier Source: org_study_id

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