- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01400698
Saizen in Intra-uterine Growth Retardation
An Open Study of the Safety and Efficacy of Saizen®, (Recombinant Human Growth Hormone, r-hGH), in Children Born With Serious Intra-uterine Growth Retardation (IUGR) Treated to Final Height
Study of safety of Saizen® in children born with serious intra-uterine growth retardation (IUGR) treated to final height. An open, phase III study involving 17 centers in France.
The study enrolled children who have completed 3 or 2 years of treatment and at least one year of post treatment observation in the Sponsor Studies GF 4001 (Safety and Efficacy of Saizen in the Treatment of Young Children Born with Severe IUGR) or GF 6283 (Effect of Intermittent versus Continuous Saizen Therapy in Young Children Born with Severe IUGR), respectively.
Detailed description: Serious IUGR is a syndrome characterized by low birth length and weight for gestational age (less than 10 percentile). The secretion of growth hormone in response to provocative stimuli (e.g. arginine, insulin) is normal in these children. Apart from low birth weight, children born with IUGR may have minor or major malformations.
A catch-up period with a supraphysiological growth velocity generally occurs during the first 6 to 24 months of life in 80 to 90 percent (%) of these children. This generally allows them to reach normal height. That means that conversely, approximately 10 to 20% of children do maintain a statural handicap. Puberty occurs at a normal age and the retardation in bone maturation present during the first years of life disappears very quickly. This leads to short adult stature in subjects who have not shown spontaneous catch-up during the first years of life. A safe and effective means of promoting growth without accelerating the timing or tempo of puberty would therefore be desirable.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 3
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Previous inclusion, good compliance and normal completion of GF4001 or GF6283 in the treatment of growth failure in children born with serious IUGR (3-year continuous r-hGH treatment in GF4001 or 2-year continuous or intermittent r-hGH treatment in GF6283).
- Increase in height greater than 0.5 standard deviation (SD) during the first 2 years of r-hGH treatment in GF4001 or after 2 years of continuous or intermittent r-hGH treatment in GF6283.
- A written Informed Consent at the beginning of the pre-study visit must be obtained from the parent(s)/legal guardian(s), with the understanding that consent may be withdrawn by the subject or parents at any time without prejudice to their future medical care. Children able to understand the trial should personally sign and date the written informed consent, too.
- Other protocol-defined inclusion criteria may apply.
Exclusion Criteria:
- Known multiple malformation syndrome with severe psychomotor retardation and/or body hemihypertrophy.
- Severe psychomotor retardation.
- Severe congenital malformations.
- Other protocol-defined exclusion criteria may apply.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Saizen® (Continuous or intermittent treatment)
|
Continuous or intermittent treatment with recombinant human Growth Hormone (r-hGH) 0.067 milligram/kilogram/day (mg/kg/day) subcutaneously (sc).
Other Names:
|
Experimental: Saizen® (Observed and then continuous or no treatment)
|
Observed until the first signs of puberty and then continuous treatment with r-hGH 0.067 mg/kg/day sc or observed without treatment.
Other Names:
|
Other: Observation only
|
Subjects were only observed.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Final Height
Time Frame: One year after final height was attained up to 10.6 years
|
Final height was defined as the height reached 1 year after height velocity (HV) was less than 2 centimeter/year (cm/year).
Height velocity was the change in height since the previous year's measurement.
Height was measured with a wall-mounted stadiometer (or in supine position if the participant's age was less than 3 years) and the measurement was repeated thrice by the same observer.
The mean of the values obtained in the repeated measurements was taken for the analysis.
|
One year after final height was attained up to 10.6 years
|
Height Standard Deviation Score (HSDS)
Time Frame: One year after final height was attained up to 10.6 years
|
HSDS was calculated as height minus reference mean height divided by SD of the reference mean height, both given by the reference growth table (Sempe) for the corresponding chronological age at the height measurement.
Greater HSDS indicate greater height.
(Sempe M et al., 1979)
|
One year after final height was attained up to 10.6 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Parental Adjusted Height Standard Deviation Score (PAHSDS)
Time Frame: One year after final height was attained up to 10.6 years
|
PAHSDS is the distance between the participant's current and target heights, expressed in units of SD of the height distribution of the reference population.
Target height is a measure of the height which the participant could hypothetically reach based only on his parents' heights.
Target height standard deviation score (THSDS) was calculated as target height minus mean adult height of the reference population divided by SD of the mean adult height of the reference population.
|
One year after final height was attained up to 10.6 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Director: Medical Director, Merck Serono S.A., Geneva
Publications and helpful links
General Publications
- Sempé M, Pédron G, Roy-Pernot M-P. Auxologie, méthode et séquences. Paris: Theraplix, 1979.
- Simon D, Leger J, Fjellestad-Paulsen A, Crabbe R, Czernichow P; SGA Study Group. Intermittent recombinant growth hormone treatment in short children born small for gestational age: four-year results of a randomized trial of two different treatment regimens. Horm Res. 2006;66(3):118-23. doi: 10.1159/000093832. Epub 2006 Jun 12.
- Fjellestad-Paulsen A, Czernichow P, Brauner R, Bost M, Colle M, Lebouc JY, Lecornu M, Leheup B, Limal JM, Raux MC, Toublanc JE, Rappaport R. Three-year data from a comparative study with recombinant human growth hormone in the treatment of short stature in young children with intrauterine growth retardation. Acta Paediatr. 1998 May;87(5):511-7. doi: 10.1080/08035259850158209.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20184
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