| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Immune (Idiopathic) Thrombocytopenic Purpura | 
 
 
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| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 9.1 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10021245 | 
 
| E.1.2 | Term  | Idiopathic thrombocytopenic purpura | 
 
 
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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  | 
| The primary objective of this study is to evaluate the safety of romiplostim in adult thrombocytopenic subjects with ITP. | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
| This study will also evaluate hematological responses to Romiplostim.  | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
Inclusion Criteria • Subject is ≥ 18 years of age • Subject has a diagnosis of immune (idiopathic) thrombocytopenic purpura per the American Society of Hematology guidelines • If subject is > 60 years of age, subject has a written bone marrow aspiration and/or biopsy report consistent with a diagnosis of ITP • Subject has received at least 1 prior therapy for ITP • Subject’s platelet count is ≤ 30 x10^9/L or the subject is experiencing bleeding that is uncontrolled with conventional therapies • Subject (or legally-acceptable representative) is willing and able to provide written informed consent | 
 
 
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| E.4 | Principal exclusion criteria | 
Exclusion Criteria • Subject has a history of hematological malignancy, myeloproliferative disorder, MDS, or bone marrow stem cell disorder • Subject has participated in any study evaluating PEG-rHuMGDF, recombinant human thrombopoietin (rHuTPO), or related platelet product • Subject has a known hypersensitivity to any recombinant E coli-derived product • Subject has received any therapeutic drug or device that is not approved by the local regulatory health agency for any indication within 4 weeks of Screening • Subject is of reproductive potential and is not using adequate contraceptive precautions, in the judgment of the investigator • Subject is pregnant or breast feeding • Investigator has concerns regarding the subject’s ability to comply with the protocol procedures | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
The primary endpoint is the incidence of adverse events, including clinically significant changes in laboratory values and incidence of antibody formation. | 
 
 
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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) |  Yes  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| 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 |  Yes  | 
| 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 | 3 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 100 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  Information not present in EudraCT  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
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| E.8.7 | Trial has a data monitoring committee |  No  | 
| 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
                     |  | 
| 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 | 2 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 5 | 
| E.8.9.2 | In all countries concerned by the trial months | 8 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |