E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
Gaucher disease is a genetic disorder caused by a missing or defective enzyme called glucocerebrosidase |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nutritional and Metabolic Diseases [C18] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10018048 |
E.1.2 | Term | Gaucher's disease |
E.1.2 | System Organ Class | 10010331 - Congenital, familial and genetic disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To evaluate the safety and efficacy of taliglucerase alfa in untreated children |
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E.2.2 | Secondary objectives of the trial |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
•Males and females 2 to <18 years old.
•Diagnosis of Gaucher disease with leukocyte acid β-glucosidase activity ≤30% of the mean of the reference range for healthy subjects.
•Subjects who have not received enzyme replacement therapy (ERT) in the past or who have not received ERT in the past 12 months and have a negative anti-glucocerebrosidase antibody assay.
•Subjects who have not received substrate reduction therapy (SRT) in the past 12 months.
•Subjects whose clinical condition, in the opinion of the investigator, requires treatment with enzyme replacement therapy (ERT).
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E.4 | Principal exclusion criteria |
•Currently taking another investigational drug for any condition.
•Presence of neurological signs and symptoms characteristic of Gaucher disease with complex neuronopathic features other than longstanding oculomotor gaze palsy.
•Presence of unresolved anemia due to iron, folic acid, or vitamin B12 deficiency
•Previous hypersensitivity reaction to Cerezyme® (imiglucerase) or Ceredase® (alglucerase).
•History of allergy to carrots.
•Presence of HIV, HBsAg or hepatitis C infections.
•Subject's parent(s) or legal guardian(s) are unable to understand the nature, scope and possible consequences of the study.
•Presence of any medical, emotional, behavioral or psychological condition that in the judgment of the Investigator would interfere with the subject's compliance with the requirements of the study.
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E.5 End points |
E.5.1 | Primary end point(s) |
median percentage and the interquartile range for change from baseline in haemoglobin
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Every 3 months for 12 months |
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E.5.2 | Secondary end point(s) |
Percent change from baseline in chitotriosidase or CCL18
Percent change in spleen and liver volume measured by MRI (or ultrasound)
Percent change from baseline in platelet count
Occurrence of positive antibody response
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
•Chitotriosidase or CCL18 [ Time Frame: Every 3 months for 12 months ] •Spleen and liver volume [ Time Frame: Baseline and Month 12 ]
•Platelet count [ Time Frame: Every 3 months for 12 months ]
•Anti-taliglucerase alfa antibodies [ Time Frame: Every 3 months for 12 months ] |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
Will this trial be conducted at a single site globally?
| No |
E.8.4 | Will this trial be conducted at multiple sites globally? | Yes |
E.8.6 Trial involving sites outside the EEA |
E.8.6.2 | Trial being conducted completely outside of the EEA | Yes |
E.8.6.3 | Specify the countries outside of the EEA in which trial sites are planned |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 4 |
E.8.9.2 | In all countries concerned by the trial days | 0 |