E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Primary Immune Thrombocytopenia (ITP) |
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E.1.1.1 | Medical condition in easily understood language |
immune mediated disorder characterized by increased platelet
destruction |
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E.1.1.2 | Therapeutic area | Diseases [C] - Blood and lymphatic diseases [C15] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10023095 |
E.1.2 | Term | ITP |
E.1.2 | System Organ Class | 10005329 - Blood and lymphatic system disorders |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess the efficacy of Octagam 10% in correcting the platelet count (PC). |
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E.2.2 | Secondary objectives of the trial |
To evaluate the safety of Octagam 10%. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Age of >=18 years and <=65 years
• Confirmed diagnosis of chronic primary ITP of at least 12 months duration and fulfilling the following criteria...
• Platelet count of <30x10^9/L with or without bleeding manifestations.
• Freely given written informed consent from patient.
• Women of childbearing potential must have a negative result on a pregnancy test (human chorionic gonadotropine [HCG]-based assay) and need to practice contraception using a method of proven reliability for the duration of the study
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E.4 | Principal exclusion criteria |
• Thrombocytopenia secondary to other diseases or drug-related thrombocytopenia.
• Administration of intravenous immunoglobulin (IVIG), anti-D or thrombopoetin receptor agonists or other platelet enhancing drugs (incl. immunosuppressive or other immunomodulatory drugs) within 3 weeks before enrolment, except for:
a) long-term corticosteroid therapy
b) long-term azathioprine, cyclophosphamide or attenuated androgen therapy
• Unresponsive to previous treatment with IVIG or anti-D immunoglobulin.
• Experimental treatment (e.g. Rituximab) within 3 months before enrolment.
• Splenectomy in the previous 4 weeks or planned splenectomy throughout the study period.
• Patient with Evans syndrome
• Known or suspected human immunodeficiency virus (HIV) or hepatitis C virus (HCV) infection.
• Live viral vaccination within the last 2 months before study entry.
• Emergency operation.
• Severe liver or kidney disease
• Congestive heart failure New York Heart Association (NYHA) class III or IV.
• Non-controlled arterial hypertension
• History of hypersensitivity to blood or plasma derived products, or any component of the investigational product.
• Known immunoglobulin A (IgA) deficiency and antibodies against IgA.
• History of, or suspected alcohol or drug abuse.
• Pregnant or nursing women.
• Unable to consent, or not capable to understand the nature, significance and implications of the clinical study, or unable or unwilling to comply with the study procedures.
• Vulnerable patients (e.g. kept in detention or institutionalised).
• Participating in another interventional clinical study or planned participation in another trial for the duration of this study.
• Receiving any investigational medicinal product (IMP) within 3 months before study entry.
• Patients with risk factors for thromboembolic events in whom the risks outweigh the potential benefit of Octagam treatment.
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy measure is the PC and the increase in platelets to – and the maintenance of – specific thresholds. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
continuously, see protocol |
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E.5.2 | Secondary end point(s) |
Secondary Efficacy Endpoints:
• All platelet measurements will be listed and presented in standard summary statistics for each category of response and in total.
• Number and proportion of responders with platelets reaching normal levels
• Maximum PC.
• Regression of haemorrhages.
• Relationship of any new haemorrhages to PC.
Secondary Safety Endpoints:
• Vital signs.
• Physical examinations.
• AEs.
• Laboratory parameters
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
continuously, see protocol |
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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 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 25 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
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.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |