| 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  | 15.1 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10023095 | 
 
| E.1.2 | Term  | ITP | 
 
| E.1.2 | System Organ Class  | 100000004851 | 
 
 
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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  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 detension or institutionalised
 •	Unable or unwilling to comply with the study protocol.
 •	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 | 4 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 20 | 
| 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 |