E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Immune thrombocytopenia |
Trombocitopenia immune |
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E.1.1.1 | Medical condition in easily understood language |
Immune thrombocytopenia |
Trombocitopenia immune |
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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 | 23.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10050245 |
E.1.2 | Term | Autoimmune thrombocytopenia |
E.1.2 | System Organ Class | 100000004851 |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 22.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10036735 |
E.1.2 | Term | Primary thrombocytopenia |
E.1.2 | System Organ Class | 100000004851 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess ability of eltrombopag to induce sustained remission by month 12 in ITP subjects who relapsed or failed to respond to first-line steroid treatment |
Valutare la capacità di eltrombopag di indurre remissione mantenuta entro il mese 12 nei soggetti con ITP che manifestano recidiva o insuccesso della risposta al trattamento di prima linea con corticosteroidi. |
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E.2.2 | Secondary objectives of the trial |
1. To assess the duration of sustained remission after treatment discontinuation 2. To assess the ability of eltrombopag to induce early response by month 1 3. To assess the ability of eltrombopag to induce a recovery response, in case of loss of response during or after tapering of eltrombopag 4. To quantify the platelet count from baseline to 3, 6, 9, 12 months 5. To assess the ability of eltrombopag to maintain platelet count = 30×109/L within 12 months 6. To evaluate patient-Health Related outcome measures for health-related quality of life (fatigue level of the subjects through FACIT) & FACT-Th6 and SF-36v2 questionnaires 7. To explore the overall impact of side effects on treatment via the GP5 at baseline and EOS 8. To explore treatment satisfaction with TSQM-9 9. To evaluate the safety and tolerability of eltrombopag |
1.Valutare la durata della remissione mantenuta dopo la sospensione del trattamento. 2. Valutare la capacità di eltrombopag di indurre una risposta precoce al mese 1. 3.Valutare la capacità di eltrombopag di indurre una risposta di recupero, in caso di perdita della risposta durante o dopo la riduzione graduale di eltrombopag. 4.Quantificare la conta piastrinica dal basale ai mesi 3, 6, 9, 12. 5.Valutare la capacità di eltrombopag di mantenere la conta piastrinica = 30 x 109/L entro 12 mesi. 6.Valutare le misure dell’outcome del paziente correlato alla salute per la qualità della vita correlata alla salute attraverso l'utilizzo di questionari 7. Valutare l’impatto complessivo degli effetti collaterali sulla percezione del trattamento da parte del soggetto, mediante determinazione del GP5 al basale e alla fine dello studio. 8. Valutare la soddisfazione del trattamento mediante questionario TSQM-9. 9.Valutare la sicurezza d’impiego e la tollerabilità di eltrombopag. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Signed informed consent must be obtained prior to participation in the study
2. Subjects = 18 years old
3. Subjects with a confirmed diagnosis of primary ITP, who are not responsive or in relapse after a first line of steroid therapy ± intravenous immunoglobulin (IVIG) (used as a rescue therapy)
4. Platelet count < 30×109/L and assessed as needing treatment (per physician’s discretion
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1. La firma del consenso informato deve essere ottenuta prima della partecipazione allo studio. 2. Pazienti di età > 18 anni. 3. Diagnosi confermata di ITP primaria, non responsiva o in recidiva dopo la terapia di prima linea con corticosteroidi ± IVIG (utilizzate come terapia rescue). 4.Conta piastrinica < 30 x 109/L e valutata in base alla necessità di trattamento (a discrezione del medico). |
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E.4 | Principal exclusion criteria |
1. ITP subjects previously treated with any ITP second-line therapies, thrombopoietin receptor (TPO-R) agonists for ITP, except steroids / IVIG
2. Subjects who relapsed more than one year after the end of first-line full course of steroid therapy
3. Subjects with a diagnosis of secondary thrombocytopenia
4. Subjects who have life threatening bleeding complications per investigator discretion
5. Subjects who had a deep vein thrombosis or arterial thrombosis in the 6 months preceding enrollment
6. Serum creatinine = 1.5 mg/dL
7. Total bilirubin > 1.5 × upper limit of normal (ULN)
8. Aspartate transaminase (AST) > 3.0 × ULN
9. Alanine transaminase (ALT) > 3.0 × ULN
10. Subjects who are human immune deficiency virus (HIV), hepatitis C virus (HCV), hepatitis B surface antigen (HBsAg) positive
11. Subjects with hepatic impairment (Child-Pugh score > 5)
12. Subjects who have active malignancy
13. Subjects with any serious and/or unstable pre-existing medical, psychiatric disorder or other conditions that could interfere with subject’s safety, obtaining informed consent or compliance with the study procedures per investigator discretion
14. History or current diagnosis of cardiac disease indicating significant risk of safety for subjects participating in the study
15. Subjects with known active or uncontrolled infections not responding to appropriate therapy
16. Subjects with evidence of current alcohol/drug abuse
17. Women of child-bearing potential and sexually active males unwilling to use adequate contraception during the study
18. Female subjects who are nursing or pregnant (positive serum or urine B-human chorionic gonadotrophin (B-hCG) pregnancy test) at screening or pre-dose on Day 1
Other protocol-defined inclusion/exclusion criteria may apply
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1. Soggetti con ITP precedentemente trattata con qualsiasi terapia di seconda linea per ITP, TPO-RA per ITP, a eccezione di corticosteroidi/IVIG, come descritto nei criteri d’inclusione. 2. Soggetti che hanno manifestato recidiva oltre un anno dopo la fine del ciclo completo della terapia di prima linea con corticosteroidi. 3. Soggetti con diagnosi di trombocitopenia secondaria. 4. Soggetti che non possono partecipare a studi di valutazione/biologici. 5. Soggetti con complicanze emorragiche che costituiscono una minaccia per la sopravvivenza, a discrezione dello sperimentatore. 6. Soggetti che hanno manifestato trombosi venosa profonda o trombosi arteriosa nei 6 mesi precedenti l’arruolamento. 7. Creatininemia > 1,5 mg/dL. 8. Bilirubina totale > 1,5 x limite superiore della norma (ULN). 9. Aspartato aminotransferasi (AST) > 3,0 x ULN. 10. Alanina aminotransferasi (ALT) > 3,0 x ULN. 11. Soggetti positivi a virus dell’immunodeficienza umano (HIV), virus dell’epatite C (HCV) o antigene di superficie del virus dell’epatite B (HBsAg). 12. Soggetti con compromissione epatica (punteggio Child-Pugh > 5). 13. Soggetti che non sono disposti a rispettare l’intervallo di 4 ore tra eltrombopag e altri farmaci (per esempio antiacidi), alimenti ricchi di calcio (per esempio latticini e succhi con integratori a base di calcio) o integratori contenenti cationi polivalenti quali ferro, calcio, alluminio, magnesio, selenio e zinco. 14. Soggetti che non possono sospendere i farmaci che sono noti per causare interazione farmacologica con eltrombopag. 15. Soggetti con neoplasia in fase attiva. 16. Soggetti con qualsiasi patologia medica, psichiatrica preesistente seria e/o instabile o altra condizione che possa interferire con la sicurezza del paziente, con l’ottenimento del consenso informato o la compliance alle procedure dello studio, a discrezione dello sperimentatore. 17. Soggetti con una reazione di ipersensibilità nota immediata o ritardata o idiosincrasia a eltrombopag o a farmaci chimicamente correlati a eltrombopag o agli eccipienti che controindichi la partecipazione allo studio. 18. Diagnosi attuale o pregressa di cardiopatia indicativa di un rischio significativo per la sicurezza dei soggetti partecipanti allo studio quale cardiopatia non controllata o rilevante o compromissione della funzionalità cardiaca comprese una qualsiasi delle seguenti condizioni: - QTc corretto > 450 msec (maschi), > 460 msec (femmine) utilizzando la correzione di Fredericia (QTcF) all’ECG di screening. - Frequenza cardiaca a riposo allo screening (esame obiettivo o elettrocardiogramma a 12 derivazioni – ECG) < 50 o > 90 battiti/minuto. - Infarto miocardico recente (entro gli ultimi 6 mesi).- - Scompenso cardiaco congestizio non controllato. - Angina instabile (entro gli ultimi 6 mesi). 19. Soggetti con infezioni note in fase attiva o non controllate che non rispondono alla terapia appropriata. 20. Soggetti con evidente abuso di alcool/droghe attuale. 21. Partecipazione concomitante a uno studio sperimentale entro 30 giorni prima dell’arruolamento o entro 5 emivite del farmaco sperimentale, considerando qualunque sia più lungo. Nota: l’arruolamento parallelo in un registro di malattia è consentito. 22. Fattori di rischio trombofilici noti. Eccezione: Soggetti nei quali i possibili benefici.
Possono essere applicati altri criteri di inclusione/esclusione definiti dal protocollo. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Percentage of participants with sustained remission (R) by 12 months |
Percentuale di soggetti con remissione mantenuta (R) entro il mese 12 |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
1a. Median duration of sustained remission (weeks) counted from last dose of eltrombopag to month 12 for patients with sustained remission (R) 1b. Estimated median duration of sustained remission (weeks) by month 24 for patients who are in sustained remission (R) at month 12 and enter 12 months follow-up period using Kaplan-Meier method 1c. Estimated median duration of sustained remission (weeks) by month 24 for all patients using Kaplan-Meier method. 2. Proportion of sustained remission (R) patients at months 15, 18, 21, and 24. 3. Number (%) of patients with platelet count = 50×109/L at least once by month 1 (first month) without bleeding and no rescue therapy 4. Number (%) of patients with at least one platelet count = 30×109/L after eltrombopag is re-introduced, in case of loss of response (< 30×109/L and/or bleeding event) without bleeding and no rescue therapy by month 12 and 24 5. Absolute and relative change in platelet count from baseline to 3, 6, 9,12, 15, 18, 21, and 24 months and end of treatment 6. Number (%) of patients who maintain a platelet count = 30×109/L from the first time of reaching that level to month 3, 6, 9, 12, 15, 18, 21, 24, and end of treatment without bleeding and no rescue therapy 7. The analysis of HRQoL parameters; fatigue level of the patients through FACIT & FACT-Th6, SF-36v2 questionnaires. Change in scores from baseline to month 3, 6, 9, 12, 15, 18, 21, 24, and end of treatment 8. Overall change from baseline to month 12 and end of treatment will be assessed 9. Overall change from baseline to month 12 and end of treatment will be assessed 10. Number (%) and severity of patients with AEs, serious AEs (SAEs), AEs leading to discontinuation, AEs leading to dose adjustments, AEs of special interest. Change from baseline in vital signs and clinical laboratory tests |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1a. 12 months 1b. 24 months 1c. 24 months 2. at months 15, 18, 21 and 24 3. 1 month 4. 12 and 24 months 5. from baseline to 3, 6, 9,12, 15, 18, 21, and 24 months and end of treatment 6.from the first time of reaching required platelet level to month 3, 6, 9, 12, 15, 18, 21, 24, and end of treatment 7. from baseline to month 3, 6, 9, 12, 15, 18, 21, 24, and end of treatment 8. from baseline to month 12 and end of treatment 9. from baseline to month 12 and end of treatment 10. from baseline |
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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 | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
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 | 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 | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 37 |
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 |
Australia |
Brazil |
Chile |
France |
Germany |
Greece |
Italy |
Japan |
Mexico |
Norway |
Oman |
Russian Federation |
Saudi Arabia |
Spain |
Switzerland |
Turkey |
United Kingdom |
United States |
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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
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Study completion is defined as when the last subject finishes their EOS visit, and any repeat assessments associated with this visit have been documented and followed-up appropriately by the Investigator, or in the event of an early study termination decision, the date of that decision |
Il completamento dello studio è definito con la visita di fine studio da parte dell'ultimo paziente e qualsiasi valutazione associata a questa visita è stata documentata e seguita in modo appropriato dallo sperimentatore o, nel caso di decisione di chiusura anticipata dello studio, la data di tale decisione. |
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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 | 0 |
E.8.9.1 | In the Member State concerned months | 24 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 0 |
E.8.9.2 | In all countries concerned by the trial months | 24 |
E.8.9.2 | In all countries concerned by the trial days | 0 |