E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Fabry disease |
Malattia di Fabry |
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E.1.1.1 | Medical condition in easily understood language |
People with Fabry disease have a genetic disorder that prevents their bodies from breaking down a particular lipid (a fat-like substance) in their cells. |
Le persone con malattia di Fabry hanno un disturbo genetico che impedisce al loro organismo di scomporre un particolare lipide (una sostanza simile ai grassi)all'interno delle loro cellule |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nutritional and Metabolic Diseases [C18] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10016016 |
E.1.2 | Term | Fabry's disease |
E.1.2 | System Organ Class | 10010331 - Congenital, familial and genetic 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 |
The primary efficacy parameter is the change from baseline in glomerular filtration rate (GFR) as assessed by plasma clearance of iohexol ("iohexol GFR"). |
Il parametro primario di efficacia è la variazione rispetto al basale del tasso di filtrazione glomerulare (GFR) come valutato dalla clearance plasmatica di ioexolo ("GFR ioexolo"). |
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E.2.2 | Secondary objectives of the trial |
Change from baseline in:Estimated GFR (eGFR); 24-hour urine protein; left ventricular mass and ejection fraction; urine globotriaosylceramide; WBC α-galactosidase A activity; patient reported assessment of pain and Quality of Life as assessed by the BPI short form and Short Form 36;Composite clinical outcome, as assessed by time to the first occurrence of the following events and number of subjects who experience any of the following events:Renal events:A decrease in iohexol GFR ≥ 15 mL/min/1.73 m2, with the decreased GFR < 90 mL/min/1.73 m2 relative to baseline; An increase in 24-hour urine protein ≥ 33% , with the increased protein ≥ 300 mg relative to baseline.Cardiac events:Myocardial infarction;Unstable cardiac angina;New symptomatic arrhythmia requiring anti-arrhythmic medication, direct current cardioversion, pacemaker, or defibrillator implantation; Congestive heart failure, NYHA class III or IV.Cerebrovascular events:Stroke; Transient ischemic attack/Death. |
Variaz dal basale del:GFR stimato;proteinuria a 24 ore;massa ventricolare sinistra e frazione di eiezione;escrezione urinaria di globotriaosiloceramide;dell’attività enzimatica dell’ß-galattosidasi A nella conta leucocitaria;valut riferita dal paz del dolore in base al questionario breve sul dolore BPI;qualità della vita riferita dal paz in base alla valut del questionario sullo stato di salute SF-36.L’esito clinico composito,in base alla valut del tempo alla prima insorgenza dei seguenti eventi:Eventi renali:Riduzione di GFR tramite ioexolo ≥ 15 ml/min/1,73 m2,con GFR ridotto<90 ml/min/1,73 m2 relativo al basale;Un aumento nella proteinuria a 24 ore ≥ 33%,con un aumento delle proteine ≥ 300 mg relativo al basale.Eventi cardiaci:Infarto del miocardio;Angina instabile;Nuova aritmia sintomatica che richiede tratt farmacologico antiaritmico,cardioversione elettrica diretta,impianto di pacemaker o defibrillatore;Scompenso cardiaco congestizio,classe III o IV secondo la NYHA. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Male or female, diagnosed with Fabry disease and between 16 and 74 years of age, inclusive at Visit 1; Confirmed GLA mutation shown to be responsive to AT1001 in the in vitro HEK-293 cell-based assay, or a confirmed GLA mutation that is non-testable in this assay, but has evidence to suggest the potential to respond to AT1001;Initiated treatment with ERT at least 12 months before Visit 2 ;Dose level and regimen of ERT have been stable for the 3 months before Visit 2 and is at least 80% of the currently labeled dose for this time period; GFR ≥ 30mL/min/1.73 m2 ;If taking angiotensin converting enzyme (ACE) inhibitors or angiotensin receptor blockers (ARBs) has been on a stable dose for at least the 4 weeks before Visit 1; If of reproductive potential, agree to use medically accepted methods of contraception throughout the duration of the study and for up to 30 days after last dose of protocol defined study medication: For sites in Italy: If of reproductive potential, agree to plan (or have their partner plan) with his/her physician a birth control strategy (or method) in order to avoid pregnancy throughout the duration of the study and for up to 30 days after last dose of protocol defined study medication;Able to provide written informed consent, and assent if applicable. Subjects under 18 years of age will provide written informed assent, and written informed consent will be provided by their parent or legal guardian |
Uomini o donne, a cui e' stata diagnosticata la malattia di Fabry e con un’eta' compresa tra 16 e 74 anni di eta', inclusi alla Visita 1;Mutazione confermata del gene GLA che ha dimostrato di essere rispondente ad AT1001 nel saggio in vitro su cellule HEK-293 oppure mutazione confermata del gene GLA non esaminabile in questo saggio, ma con evidenza di essere potenzialmente rispondente ad AT1001; Trattamento iniziale con ERT almeno 12 mesi precedenti la Visita 2;Il livello di dosaggio e il regime di ERT si sono mantenuti stabili per i 3 mesi precedenti la Visita 2 e hanno costituito almeno l’80% della dose attualmente designata per questo periodo di tempo;GFR ≥ 30ml/min/1,73 m2;Se la dose di assunzione di inibitori dell’enzima di conversione dell’angiotensina (ACE) o di bloccanti del recettore dell’angiotensina (ARB) e' rimasta stabile per almeno 4 settimane precedenti la Visita 1;In caso di soggetti potenzialmente fertili, consenso a utilizzare metodi medicalmente accettati di contraccezione per tutta la durata dello studio e per massimo 30 giorni dopo l’ultima dose di farmaco in studio definito dal protocollo; per i centri in italia:se potenzialmente fertili, devono acconsentire a un piano (o fare pianificare al partner) con il loro medico una strategia (o metodo) di contraccezione al fine di evitare una gravidanza nel corso dell’intero studio e fino a 30 giorni dopo l’ultima dose del farmaco in studio definito dal protocollo;Capacita' di fornire consenso informato scritto e assenso, ove necessario. I soggetti di eta' inferiore a 18 anni forniranno assenso informato scritto e il consenso informato scritto sara' fornito da un genitore o da un tutore legale |
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E.4 | Principal exclusion criteria |
1. Undergone, or is scheduled to undergo, kidney transplantation or any other solid organ transplantation 2. On regular dialysis that is specifically for the treatment of chronic kidney disease 3. Had a documented transient ischemic attack, stroke, unstable angina, or myocardial infarction within the 3 months before Visit 1 4. Has clinically significant unstable cardiac disease in the opinion of the investigator (e.g., cardiac disease requiring active management, such as symptomatic arrhythmia, unstable angina, or NYHA class III or IV congestive heart failure) 5. Is pregnant or breast-feeding 6. Has a history of allergy or sensitivity to AT1001 (including excipients) or other iminosugars (e.g., miglustat, miglitol) 7. Has absolute contraindication to iohexol and/or inability to undergo iohexol GFR testing 8. Requires treatment with Glyset (miglitol), or Zavesca (miglustat) 9. Received any investigational/experimental drug, biologic or device within 30 days of Visit 1 10. Has any intercurrent illness or condition that may preclude the subject from fulfilling the protocol requirements or suggests to the investigator that the potential subject may have an unacceptable risk by participating in this study 11. Is otherwise unsuitable for the study, in the opinion of the investigator |
1. Sottoposto, o in programma di sottoporsi, a trapianto di reni o di qualsiasi altro organo solido 2. Sottoposto a dialisi regolare specificamente per il trattamento dell’insufficienza renale cronica 3. Precedente attacco ischemico transitorio documentato, ictus, angina instabile o infarto del miocardio nei 3 mesi precedenti la Visita 1 4. Cardiopatia instabile clinicamente significativa secondo il giudizio dello sperimentatore (ad es. cardiopatia che richieda trattamento attivo come aritmia sintomatica, angina instabile o scompenso cardiaco congestizio di classe III o IV secondo la NYHA (New York Heart Association) 5. Stato di gravidanza o allattamento al seno 6. Storia di allergia o sensibilita' ad AT1001 (inclusi gli eccipienti) o altri imino-zuccheri (ad es. miglustat, miglitolo) 7. Controindicazione assoluta a ioexolo e/o incapacita' a sottoporsi al test del GFR tramite ioexolo 8. Necessita' di trattamento con Glyset (miglitolo) o Zavesca (miglustat) 9. Ricezione di qualsiasi farmaco, agente biologico o dispositivo sperimentale/nuovo nei 30 giorni precedenti la Visita 1 10. Presenza di qualsiasi malattia o patologia intercorrente che possa precludere al soggetto di rispettare i requisiti del protocollo o suggerisca allo sperimentatore che il potenziale soggetto possa correre dei rischi inaccettabili derivanti dalla partecipazione allo studio 11. Inadeguatezza per qualsiasi altra ragione allo studio, secondo il giudizio dello sperimentatore |
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E.5 End points |
E.5.1 | Primary end point(s) |
Change from baseline in glomerular filtration rate (GFR) as assessed by plasma clearance of iohexol (“iohexol GFR”). |
Variazione dal basale del tasso di filtrazione glomerulare (GFR, Glomerular Filtration Rate) sulla base della valutazione della clearance plasmatica di ioexolo (''GFR tramite ioexolo''). |
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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) |
Change from baseline in: -Estimated GFR; 24-hour urine protein; left ventricular mass and ejection fraction; urine GL-3; WBC α-galactosidase A activity; patient reported assessment of pain and Quality of Life as assessed by the BPI short form and Short Form 36 -Composite clinical outcome, as assessed by time to the first occurrence of the following events and number of subjects who experience any of the following events: Renal events: A decrease in iohexol GFR ≥ 15 mL/min/1.73 m2, with the decreased GFR < 90 mL/min/1.73 m2 relative to baseline; An increase in 24-hour urine protein ≥ 33% , with the increased protein ≥ 300 mg relative to baseline Cardiac events: Myocardial infarction; Unstable cardiac angina; New symptomatic arrhythmia requiring anti-arrhythmic medication, direct current cardioversion, pacemaker, or defibrillator implantation; Congestive heart failure, NYHA class III or IV Cebrovascular events: Stroke; Transient ischemic attack/Death |
Variazione dal basale del: GFR stimato; proteinuria a 24 ore; massa ventricolare sinistra e frazione di eiezione;escrezione urinaria di globotriaosiloceramide;dell’attivita' enzimatica dell’α-galattosidasi A nella conta leucocitaria; valutazione riferita dal paziente del dolore in base al questionario breve sul dolore BPI; qualita' della vita riferita dal paziente in base alla valutazione del questionario sullo stato di salute SF-36.L’esito clinico composito, in base alla valutazione del tempo alla prima insorgenza dei seguenti eventi: Eventi renali: Riduzione di GFR tramite ioexolo ≥ 15 ml/min/1,73 m2, con GFR ridotto < 90 ml/min/1,73 m2 relativo al basale; Un aumento nella proteinuria a 24 ore ≥ 33% , con un aumento delle proteine ≥ 300 mg relativo al basale. Eventi cardiaci:Infarto del miocardio;Angina instabile; Nuova aritmia sintomatica che richiede trattamento farmacologico antiaritmico, cardioversione elettrica diretta, impianto di pacemaker o defibrillatore; Scompenso cardiaco congestizio, classe III o IV secondo la NYHA. Eventi cerebrovascolari:Ictus ;Attacco ischemico transitorio/Decesso |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | 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 | 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 | Yes |
E.8.1.1 | Randomised | Yes |
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 | Yes |
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) | Yes |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
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E.8.2.4 | Number of treatment arms in the trial | 2 |
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 | 35 |
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 |
Argentina |
Australia |
Brazil |
Japan |
Mexico |
Russian Federation |
Switzerland |
Taiwan |
Turkey |
United States |
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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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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 | 45 |
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 | 45 |
E.8.9.2 | In all countries concerned by the trial days | 0 |