E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Primary Immune Thrombocytopenia |
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E.1.1.1 | Medical condition in easily understood language |
Primary immune thrombocytopenia is an autoimmune disease which is characterized by an isolated low platelet count (thrombocytopenia) and the absence of other causes of thrombocytopenia. |
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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 | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10043554 |
E.1.2 | Term | Thrombocytopenia |
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 |
Assess the long-term safety and tolerability of treatment with rozanolixizumab
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E.2.2 | Secondary objectives of the trial |
- Assess the long-term clinical efficacy of treatment with rozanolixizumab - Assess the effect of rozanolixizumab on study participant perceived symptoms - Assess the reduction in use of steroids and other concomitant ITP medications
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
Study participants who have consented can participate in the pharmacogenomics sub-study. |
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E.3 | Principal inclusion criteria |
- Study participant completed TP0003 [NCT04200456] or TP0006 [NCT04224688] until Visit 27 (Week 25) and, in the opinion of the investigator, has been compliant with the TP0003 or TP0006 study assessments - The study participant is considered reliable and capable of adhering to the protocol, visit schedule, or medication intake according to the judgment of the investigator - Study participants may be male or female: a) A male participant must agree to use contraception during the Treatment Period and for at least 3 months after the final dose of study treatment and refrain from donating sperm during this period b) A female participant is eligible to participate if she is not pregnant as confirmed by a negative urine pregnancy test and not planning to get pregnant during the participation in the study, not breastfeeding, and at least one of the following conditions applies: - Not a woman of childbearing potential (WOCBP) OR - A WOCBP who agrees to follow the contraceptive guidance during the Treatment Period and for at least 3 months after the final dose of study treatment
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E.4 | Principal exclusion criteria |
-Study participant has any ongoing investigational medicinal product (IMP)-related serious adverse event (SAE) or ongoing severe IMP- related treatment-emergent adverse event (TEAE) experienced during TP0003 or TP0006 -Study participant has, at last available assessment of TP0003 or TP0006, 3.0x upper limit of normal (ULN) of any of the following: alanine aminotransferase (ALT), aspartate aminotransferase (AST), or alkaline phosphatase (ALP) |
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E.5 End points |
E.5.1 | Primary end point(s) |
1. Occurrence of treatment-emergent adverse events (TEAEs) 2. Occurrence of TEAEs leading to permanent withdrawal of rozanolixizumab (ie, study discontinuation)
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
1. and 2. From Baseline to end of Safety Follow-Up Period (up to Week 60)
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E.5.2 | Secondary end point(s) |
1. Stable Clinically Meaningful Response without rescue therapy at ≥ 70% of the visits over the planned 52-week Treatment Period starting at Week 4 2. Change from Baseline to Week 54 including all intermediate timepoints for ITP Patient Assessment Questionnaire (ITP-PAQ) Symptoms domain score 3. Area under the curve (AUC) of the oral steroid dose over time 4. Change in dose and/or frequency of concomitant ITP medications (excluding corticosteroids) over time |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1. Over the planned 52-week Treatment Period (starting at Week 4) 2.; 3.; 4 From Baseline during the Treatment Period (up to Week 53) |
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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 | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
Tolerability, Immunogenicity |
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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.8.2.4 | Number of treatment arms in the trial | 1 |
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 | 6 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 78 |
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 | No |
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 |
Canada |
China |
Hong Kong |
Japan |
Korea, Republic of |
Taiwan |
United States |
Austria |
France |
Poland |
Bulgaria |
Romania |
Spain |
Czechia |
Germany |
Greece |
Italy |
Belgium |
Croatia |
Denmark |
Georgia |
Hungary |
Moldova, Republic of |
Russian Federation |
Turkey |
Ukraine |
United Kingdom |
Serbia |
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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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Last visit of the last subject (LVLS) |
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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 | 8 |
E.8.9.1 | In the Member State concerned days | 15 |
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 | 11 |
E.8.9.2 | In all countries concerned by the trial days | 11 |