NCT01613573已完成1 期
A Phase 1, Open-Label, Single and Multiple Dose Study to Assess the Safety and Pharmacokinetics of Pegylated Somatropin(PEG Somatropin) in GHD Children
适应症
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 入组人数
- 12
- 主要终点
- pharmacokinetics parameter
研究概览
简要总结
The purpose of the phase 1 study is to assess the safety and pharmacokinetics of PEG somatropin, which administered once per week, compared with the daily used somatropin, and to evaluate the safety and possibility to replace daily used somatropin.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 4 Years 至 10 Years（Child）
- 性别
- Male
- 接受健康志愿者
- 否
入选标准
- •have a height less than two standard deviations (SD) below the median height for individuals of the same age or height, a growth velocity (GV) ≤4 cm/yr, a GH peak concentration <7 ng/ml in two different provocative tests, a bone age (BA; ≤9 years in girls and ≤10 years in boys) at least 2 years less than his/her chronological age (CA);be in preadolescence (Tanner stage 1) and have a CA >3 years;have a height value recorded 3 months before the start of GH treatment to calculate pre-treatment GV; receive no prior GH treatment or stop the GH treatment for more than 4 weeks;sign informed consent
排除标准
- •Patients with Liver and kidney dysfunction (ALT> upper limit of normal 2 times, Cr> upper limit of normal), hepatitis B virus detection, antigen-HBc, HBsAg and HBeAg are positive
- •patients with known to a highly allergic constitution or allergic to the drug of this study
- •Patients with diabetes, serious cardiopulmonary, blood system, malignant tumor and other diseases or systemic infection in immunocompromised and mental diseases
- •Patients with other growth disorders, such as Turner syndrome, constitutional delay of growth and puberty, Laron syndrome, GH receptor deficiency, girls with growth delay have not ruled out chromosomal abnormalities
- •Participated in clinical trials of other drugs in 3 months
- •Other cases that the researchers considered unsuitable for this clinical trial
结局指标
主要结局
pharmacokinetics parameter
时间窗: Somatropin AQ: predose(0),1,2,3,4,6,8,10,12,16,20,24 hours post-dose. PEG somatropin: predose (0),2,4,8,12,18,24,36,48,72,96,120,144,168 hours post-dose
Cmax, AUC during the time interval for the first dose and last dose, Half-Life(t1/2), Apparent body clearance(CL), Mean residence time(MRT),steady-state volume of distribution(Vss)
次要结局
- IGF-1, IGFBP-3(Day I to Day 7 in each treatment period (33 time points) for daily used somatropin, Day I to Day 42 in each treatment period (35 time points) for PEG somatropin)
研究者
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