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A Study to Evaluate the Efficacy and Safety of Recombinant Human Growth Hormone Injection in Patients With Prader-Willi Syndrome

Phase 3
Conditions
Prader-Willi Syndrome
Interventions
Drug: Recombinant Human Growth Hormone (rhGH) Injection
Registration Number
NCT03554031
Lead Sponsor
Changchun GeneScience Pharmaceutical Co., Ltd.
Brief Summary

To evaluate the effectiveness of rhGH (Recombinant human growth hormone) injection for improving motor development in patients with PWS.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
30
Inclusion Criteria
  • 1.Signed informed consent from legal guardian of the subjects;
  • Subjects are willing and able to cooperate to complete scheduled visits, treatment plans and laboratory tests and other procedures;
  • Diagnosed as PWS by gene test;
  • Age: 1 month (30 days after birth) - 5 years of age;
  • Male or female;
  • Calculated by Peabody Developmental Motor Scale, total motor quotient, gross motor quotient or fine motor quotient is less than 90 points;
  • Thyroid function is within the normal reference range or remained within the normal reference range by substitution therapy;
  • No history of rhGH therapy before.
Exclusion Criteria
  • Subjects with abnormal liver or kidney function;
  • Subjects with obvious central sleep apnea and/or moderate or severe obstructive sleep apnea, acute lung infection;
  • Subjects with chronic diseases that have long-term effects on bone metabolism and body composition;
  • Subjects with congenital skeletal dysplasia, or spine scoliosis with moderate and above degree requiring treatment or lameness;
  • Subjects with history of congenital heart disease, or an echocardiogram showing that the structural abnormalities require surgery or interventional therapy or that the left ventricular ejection fraction is <40%, or the abnormal electrocardiogram requiring intervention;
  • Subjects with history of convulsions or epilepsy;
  • Subjects with other systemic chronic diseases;
  • Subjects with diagnosed tumors;
  • Subjects with family history of cancers, a previous history of cancer, or considered to be a high risk of cancer combinating other information;
  • Subjects with mental disease;
  • Subjects with diabetes, or abnormal fasting glucose and researchers believe that may affect the safety of the subject;
  • Subjects with severe obesity;
  • Subjects with highly allergic constitution or allergy to proteins or investigational product or its excipient;
  • Subjects who took part in other clinical trials within 3 months ;
  • Subjects who received drug treatment that may interfere with GH secretion or GH action within 3 months;
  • Other conditions in which the investigator preclude enrollment into the study

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
rhGH injection/Jintropin AQRecombinant Human Growth Hormone (rhGH) InjectionDrug: Recombinant Human Growth Hormone Injection /Jintropin AQ, 30IU/10 mg/3ml/kit, 0.5 mg/m2/d for the first 4 weeks, then 1.0 mg/m2/d for subsequent 48 weeks; by subcutaneous injection, once per day for total 52 weeks.No control.
Primary Outcome Measures
NameTimeMethod
The change of the total motor quotient calculated by Peabody Developmental Motor Scale before and after treatmentBaseline, 26 weeks, 52 weeks
Secondary Outcome Measures
NameTimeMethod
Change of height standard deviation score (SDS) by chronological age before and after treatmentBaseline, 4 weeks, 13 weeks, 26 weeks, 39 weeks, 52 weeks
Bone maturation ( bone age/ chronological age: BA/CA)Baseline, 52 weeks
Gross motor quotient and fine motor quotient calculated by Peabody Developmental Motor Scale before and after treatmentBaseline, 26 weeks, 52 weeks
Change of IGF-1(Insulin-like growth factor 1) SDSBaseline, 4 weeks, 13 weeks, 26 weeks, 39 weeks, 52 weeks
IGF-1/IGFBP-3 molar ratioBaseline, 4 weeks, 13 weeks, 26 weeks, 39 weeks, 52 weeks
Body weight change before and after treatmentBaseline, 4 weeks, 13 weeks, 26 weeks, 39 weeks, 52 weeks
Change of BMI (Body mass index) standard deviation score before and after treatmentBaseline, 4 weeks, 13 weeks, 26 weeks, 39 weeks, 52 weeks
Global quotient, locomotor quotient, personal-social development quotient, language quotient, eye and hand coordination quotient, performance quotient and practical reasoning change calculated by Griffiths Mental Development ScaleBaseline, 26 weeks, 52 weeks

Trial Locations

Locations (6)

Peking union medical college hospital

🇨🇳

Beijing, China

Beijing Children's Hospital, Capital Medical University

🇨🇳

Beijing, China

Peking university first hospital

🇨🇳

Beijing, China

Children's Hospital of Fudan University

🇨🇳

Shanghai, China

Tongji medical college huazhong university of science & technology

🇨🇳

Wuhan, Hubei, China

The Children's Hospital,Zhejiang University School of Medicine

🇨🇳

Hangzhou, Zhejiang, China

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