- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00330668
Treatment of Children and Adolescents With Growth Failure Associated With Primary IGF-1 Deficiency
Recombinant Human Insulin-Like Growth Factor-1 (IGF-1) Treatment of Children With Growth Failure Associated With Primary IGF-1 Deficiency: An Open-Label, Multi-Center, Extension Study
Study Overview
Detailed Description
Primary IGFD is a term that has been used to describe patients with intrinsic cellular defects in GH action. In this protocol, subjects that have completed one year of mecasermin treatment on Tercica protocol MS301 (NCT00125164) will be allowed to enroll in this extension study. All subjects were planned to receive treatment.
This is a Phase IIIb open-label, multi-center, parallel dose, extension study conducted in approximately 40 centers across the United States.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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-
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Paris, France
- Ipsen
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Parents or legally authorized representatives must give signed informed consent before any trial related activities are conducted
- Where required, assent of the subject will be appropriately documented prior to any study related activities
- Completion of assessments at Visit 9 (Month 120 of Study MS301 [NCT00125164])
Exclusion Criteria:
- Incomplete participation in MS301 (NCT00125164)
- Known or suspected allergy to the trial product (mecasermin, recombinant human IGF-1 injection) or its formulation
- Development or presence of a chronic condition except as approved by the Medical Monitor
- Pregnancy
- Any social or medical condition that, in the opinion of the investigator, would be detrimental to either the subject or the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: All rhIGF-1 Subjects
All subjects entering MS306 began recombinant human insulin-like growth factor-1 (rhIGF-1) twice a day (BID) treatment. Each subject treated in MS301 had an MS306 starting dose that was based on their dose at the completion of MS301 (i.e. subcutaneous injections of rhIGF-1 at 40, 80, or 120 micrograms [μg]/ kilogram [kg] BID). MS301 untreated control subjects were randomised in MS306 in a 1:1 ratio to a dose of either 80 or 120 μg/kg rhIGF-1 BID. Following Protocol Amendment 1, all subjects received either 80 or 120 μg/kg rhIGF-1 BID until the implementation of Protocol Amendment 2. Following Protocol Amendment 2, all subjects were first switched to receive subcutaneous injections of 160 μg/kg rhIGF-1 once a day (QD), followed by individual dose-escalation first to 200 μg/kg rhIGF-1 QD and subsequently to a targeted maximum dose of 240 μg/kg rhIGF-1 QD. Subjects were treated QD until the early termination of the study. |
Patients from untreated arm for prior study MS301 (NCT00125164) were randomized to a dose of either 80 or 120 mcg/kg twice daily.
For patients receiving active treatment in previous study MS 301 (NCT00125164), they started on a dose of 80 or 120 mcg/kg twice daily based on the dose reached at end of the previous study.
Following a protocol amendment in May 2009, all patients were switched to once daily doses of 160 µg/kg, escalated to a targeted maximum dose of 240 µg/kg.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Height Velocity During BID Dosing Period
Time Frame: At Years 1, 2 and 3 in BID dosing period.
|
Height was measured standing, without shoes, as the average of 3 measurements by the same observer identical technique with a Harpenden or other wall-mounted stadiometer at baseline and each study visit up to 3 years.
Height velocity (during any interval of time (annualised) is computed as (height on date 2 - height on date 1)/(age on date 2 - age on date 1) where height is expressed as centimetres so that height velocity is expressed as centimetres per year (cm/yr).
Height velocity is presented for subjects completing each year of BID treatment (i.e.
Year 1 [0-1 years], Year 2 [1-2 years], Year 3 [2-3 years]).
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At Years 1, 2 and 3 in BID dosing period.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mean Change From Baseline in Height Standard Deviation (SD) Score During BID Dosing Period
Time Frame: At baseline and Years 1, 2 and 3 in BID dosing period.
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Height was measured standing, without shoes, as the average of 3 measurements by the same observer using identical technique with a Harpenden or other wall-mounted stadiometer at baseline and each study visit up to 3 years.
Height SD score was determined using the National Center for Health Statistics 2000 data as provided by the Center for Disease Control.
The SD score was calculated as the patient value minus the mean divided by the standard deviation.
The mean and the standard deviation vary depending on the age and sex of the child.
Mean change from baseline in height SD score is presented for all subjects completing each year of BID treatment (i.e.
Year 1 [0-1 years], Year 2 [1-2 years], Year 3 [2-3 years]).
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At baseline and Years 1, 2 and 3 in BID dosing period.
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Mean Change From Baseline in Body Mass Index (BMI) SD Score During BID Dosing Period
Time Frame: At baseline and Years 1, 2 and 3 in BID dosing period.
|
BMI SD score was calculated using the National Center for Health Statistics 2000 data as provided by the Center for Disease Control.
The SD score was calculated as the patient value minus the mean divided by the standard deviation.
The mean and the standard deviation vary depending on the age and sex of the child.
Mean change from baseline in BMI SD score is presented for all subjects completing each year of BID treatment (i.e.
Year 1 [0-1 years], Year 2 [1-2 years], Year 3 [2-3 years]).
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At baseline and Years 1, 2 and 3 in BID dosing period.
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Mean Change From Baseline in Bone Age During BID Dosing Period
Time Frame: At baseline and Years 1, 2 and 3 in BID dosing period.
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Radiographs of the left hand and wrist were taken on an approximately annual basis for determination of bone (skeletal) age.
The films were sent to a central facility for standardised evaluation.
Mean change from baseline in bone age is presented for all subjects completing each year of BID treatment (i.e.
Year1 [0-1 years], Year 2 [1-2 years], Year 3 [2-3 years]).
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At baseline and Years 1, 2 and 3 in BID dosing period.
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Mean Change From Baseline in Predicted Adult Height During BID Dosing Period
Time Frame: At baseline and Years 1, 2 and 3 in BID dosing period.
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Predicted adult heights were estimated using the Roche-Wainer-Theissen method which takes into account changes in age, height and bone age.
Mean change from baseline in predicted adult height is presented for all subjects completing each year of BID treatment (i.e.
Year 1 [0-1 years], Year 2 [1-2 years], Year 3 [2-3 years]).
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At baseline and Years 1, 2 and 3 in BID dosing period.
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Sr Vice President, Clinical Development and Medical Affairs, Ipsen (formerly Tercica, Inc.)
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 (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- MS306
- 2019-000844-81 (EUDRACT_NUMBER)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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