E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Idiopathic Thrombocytopenic Purpura |
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MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 12.0 |
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 |
To evaluate the safety and tolerability of i.v. administered SM101 at various dose levels in a single/multiple dosing manner in subjects with chronic ITP |
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E.2.2 | Secondary objectives of the trial |
To evaluate the efficacy of SM101 following single and multiple i.v. dosing in the treatment of subjects with chronic ITP To evaluate an appropriate SM101 dose for the extension part To evaluate various immunology parameters during and after SM101 treatment To evaluate PK parameters of i.v. administered SM101
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Subject has provided written informed consent prior to any study-related procedure 2. Male or female subjects aged 18 to 75, with or without splenectomy 3. Diagnosis of chronic idiopathic thrombocytopenic purpura (ITP) based on subject’s history, physical examination, blood count and blood film examination according to the British Society for Haematology (BSH) and American Society of Hematology (ASH) guidelines for at least 6 months 4. Subject received previously at least one ITP therapy 5. Platelet count less than 30,000/µL from at least 2 measurements within 4 weeks prior to first investigational medicinal product (IMP) administration. The second measurement should not be older than 1 week. Both measurements should be at least 1 week apart. 6. Concurrent ITP corticosteroid dose, if any, has been stable for 4 weeks preceding the first dose of IMP, and is intended to remain stable during the IMP treatment period 7. Subjects > 60 years of age must have had a documented history of chronic ITP with a bone marrow report to confirm the diagnosis 8. Women of childbearing potential (WOCBP) must have a negative serum pregnancy test within 1 week prior to first IMP administration 9. Both WOCBP and men must use a medically acceptable method of contraception (Appendix III) prior to inclusion and throughout the study 10. Adequate liver and kidney function (as detailed in the protocol) 11. Eastern Cooperative Oncology Group (ECOG) Performance status of 0 or 1, with a life expectancy of at least 6 months
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E.4 | Principal exclusion criteria |
1. Female subjects who are nursing or pregnant, who may be pregnant, or who contemplate pregnancy during the study period 2. Secondary thrombocytopenia such as: acute/chronic leukaemia, myelodysplasia, megaloblastic anaemia, microangiopathic anaemia, inherited thrombocytopenia, pseudothrombocytopenia, HIV, drug induced thrombocytopenia, etc. 3. Subjects with confirmed HIV, hepatitis B or C infection. 4. Subjects with other acute infections within 4 weeks preceding the first dose of investigational medicinal product (IMP) 5. Subject received intravenous immunoglobulins (IVIGs) or anti-D antibody treatment within 4 weeks preceding the first dose of IMP 6. Subject received rituximab or any other B-cell depleting agent within 24 months preceding the first dose of IMP 7. All other previously completed ITP treatment must achieve at least 5 times their terminal half-life prior to first administration of IMP. 8. Subject receives concomitant ITP medication other than corticosteroids, except rescue medication during the clinical trial 9. Splenectomy within 4 weeks prior to screening 10. Subject received or is planning to receive a haematopoietic stem cell transplantation during the clinical trial 11. Any kind of disorder that compromises the ability of the subject to give written informed consent and/or to comply with all study procedures 12. Known hypersensitivity to any recombinant E. coli-derived product or IMP excipients (Tween, Mannitol) 13. Subjects participating in a concurrent clinical trial or treated with another investigational drug within 4 weeks or 5 terminal half-lives of the drug (whichever is longer) preceding the first dose of IMP 14. History of or current alcohol or drug abuse 15. Any condition which in the judgment of the investigator would place the subject at undue risk or interfere with the results of the study 16. Subjects with an active malignancy 17. Subjects with active, serious, life-threatening disease with a life expectancy of less than 6 months 18. Subject was previously included in the present clinical trial |
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E.5 End points |
E.5.1 | Primary end point(s) |
Safety based on incidence, severity, causality and seriousness of adverse events, laboratory results and adverse events of special interest. Adverse events will be graded using the NCI CTCAE, v 3.0 |
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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 | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | Yes |
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) | Yes |
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 | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
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 | Yes |
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 | 10 |
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 | 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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The end of the trial is defined as the last visit of the last subject |
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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 |