E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Parkinson's disease |
Enfermedad de Parkinson |
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E.1.1.1 | Medical condition in easily understood language |
Parkinson's disease |
Enfermedad de Parkinson |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nervous System Diseases [C10] |
MedDRA Classification |
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 determine the efficacy and tolerability of safinamide, a novel antiparkinsonian drug with dual mechanism of action (dopaminergic and anti-glutamatatergic), to improve symptoms of Apathy in patients with Parkinson’s disease (PD). |
Valorar la eficacia de la Safinamida en la mejoría clínica de la apatía asociada a la EP a través de la medición pre- y post- medicación de la puntuación en una escala neuropsicológica validada para el estudio de la apatía en EP (SAS: Starkstein Apathy Scale). |
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E.2.2 | Secondary objectives of the trial |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Male or female outpatients (aged 45 to 80 years inclusive) - Diagnosis of idiopathic Parkinson's Disease (PD) according to the Movement Disorder Society PD Criteria, suffering for fluctuations and a Hoehn and Yahr Stage of I to III (mild to moderate motor severity) at Screening. The diagnosis will be based on medical history and neurological examination - A total score > 20 on the Montreal Cognitive Assessment (MoCA)31 - Scoring 1 or more on the Apathy Item of the Neuropsychiatric Inventory32 - Clinical diagnosis of apathy as defined by Diagnostic Criteria for Apathy in Clinical Practice33 - Be able to speak, read, and write in the language in which the tests are written and must be able to perform all the assessments in this language - Receiving treatment with dopaminergic therapy: levodopa (with or without entacapone) or levodopa plus dopamine agonists at a stable dose for at least four weeks prior to Screening and for the duration of the study. - Understand and sign the appropriate approved Informed Consent Form of the Study |
- Pacientes entre 45 y 80 años ambos inclusive - Diagnóstico de EP según los criterios de la Movement Disorders Society y un estadío entre I y III en la escala de Hoehn & Yahr. - Puntuación total > 20 en el Montreal Cognitive Assessment (MoCA) - Puntuación ≥ 1 en el ítem de apatía del Neuropsychiatric Inventory (NPI) - Diagnóstico clínico de apatía definido por los Diagnostic Criteria for Apathy in Clinical Practice - Capacidad para hablar, leer y entender el lenguaje de los tests administrados - En tratamiento actual con terapia dopaminérgica: levodopa (con o sin entacapona) y/o agonistas dopaminérgicos a dosis estables en las 4 semanas previas al screening y durante la duración del estudio. - Capacidad de comprender y firmar el consentimiento informado. |
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E.4 | Principal exclusion criteria |
- Diagnosis of moderate to severe dementia associated with PD, according to the Clinical Diagnostic Criteria for Dementia Associated with PD34. - Subjects with active psychosis or major hallucinations, severe depression or delirium; current diagnosis of substance abuse or history of alcohol or drug abuse for 3 months prior to Visit 1 (Screening) - Mental/physical/social condition which could preclude performing efficacy or safety assessments - Severe white matter disease, multiple lacunar infarcts, or signs of significant vascular changes on Magnetic Resonance Imaging (MRI) - Clinically significant or unstable medical or surgical condition and history of vascular disease (stroke) or melanoma, gastrointestinal, renal, hepatic, endocrine, pulmonary, or cardiovascular disease, including not well controlled hypertension, asthma, chronic obstructive pulmonary disease, and Type 1 diabetes that would, in the opinion of the Investigator, preclude participation to the study - Any clinically relevant abnormality, either on medical history, physical and neurological examination, ECG, or by diagnostic laboratory tests that, in the opinion of then Investigator, could hinder participation to the study - Currently experiencing significant motor complications (moderate or severe wearing off defined as score > 2 on Item 4.4 of MDS-UPDRS Part IV) or disabling dyskinesia (defined as score > 2 on Item 4.2 of MDS-UPDRS Part IV)35 - Currently participating to another clinical trial or who participated in a previous clinical trial within 30 days prior to Visit 1 (Screening) or who received any investigational product within 30 days or five half-lives, whichever was longer, prior to Visit 1 (Screening) - Previously treated with safinamide - Patients recently started with anticholinergic medication or acetylcholinesterase inhibitors or changes in drug doses within 4 weeks prior to the Screening visit. - Use of MAO-B inhibitors (e.g., selegiline, rasagiline) within 4 weeks prior to Visit 1 (Screening). - Active psychosis or currently receiving antipsychotic treatment - Patients taking memantine or antagonists of dopamine receptors (except domperidone) within 4 weeks prior to Visit 1 (Screening) - Subjects who, in the judgment of the Investigator, is likely to be non-compliant or uncooperative during the study - Women who are pregnant, lactating, or who are attempting to conceive - Women of childbearing potential not willing to use an adequate contraceptive method (unless surgically sterilized) for 4 weeks prior to, during, and 4 weeks after the last dose of trial medication - Known hypersensitivity to the trial treatment(s), including placebo - Legal incapacity or limited legal capacity |
- Diagnóstico de demencia moderada o severa asociada a EP, según los Clinical Diagnostic Criteria for Dementia Associated with PD. - Sujetos con psicosis active o alucinaciones estructuradas, depresión severa o delirio; diagnóstico actual de abuso de sustancias o historia de alcoholismo o abuso de drogas en los 3 meses previos a la visita de screening. - Condición mental/física/social que pueda afectar a la eficacia o seguridad de las evaluaciones - Leucoencefalopatía marcada, infartos lacunares múltiples, o signos de lesiones vasculares significativas en la resonancia magnética. - Condición médica o quirúrgica clínicamente significativa o inestable, o historia de melanoma, enfermedad gastrointestinal, renal, hepática, endocrinológica, pulmonar o cardiovascular, incluyendo hipertensión mal controlada, asma, enfermedad pulmonar obstructiva crónica, y diabetes mellitus tipo 1, que podrían afectar al estudio bajo criterio del investigador. - Cualquier alteración clínicamente relevante, ya sea por historial medico, exploración física o neurológica, ECG, o por pruebas complementarias que, en opinión del investigador, puedan afectar a la participación del estudio. - Paciente con fluctuaciones motoras complejas (wearing off moderado o severo, definido como una puntuación > 2 en el ítem 4.4 de la MDS-UPDRS parte IV) o discinesia incapacitante (definida como una puntuación >2 en el ítem 4.2 de la MDS-UPDRS parte IV). - Participación activa en otro ensayo clínico, o participación en otro ensayo clínico en los 30 días previos a la visita de screening, o paciente que haya recibido cualquier producto en investigación en los últimos 30 días o el tiempo correspondiente a 5 vidas medias, lo que fuera más prolongado. - Pacientes previamente tratados con safinamida. - Pacientes que hayan comenzado recientemente (en las 4 semanas previas a la visita de screening) con medicación antidopaminérgica, anticolinérgica o inhibidores de la acetilcolinesterasa, o cambios en la dosis de dichos fármacos en las 4 semanas previas a la visita de screening. - Uso de inhibidores de la MAO-B (selegilina, rasagilina) en las 4 semanas previas a la visita de screening. - Sujetos que, a juicio del investigador, sea esperable que no cumplan correctamente con la medicación y/o las visitas del estudio. - Mujeres embarazadas, en período de lactancia, o que pretendan un embarazo durante el período del estudio. - Mujeres en edad reproductiva que no puedan asegurar una contracepción adecuada 4 semanas antes, durante el estudio, y 4 semanas después de la última dosis recibida. - Hipersensibilidad conocida al fármaco en estudio, incluido el placebo. - Incapacidad legal o capacidad legal limitada. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Mean change from baseline to Week 24 in the AS total score (Time Frame: baseline to Week 24 (or early discontinuation). |
Media del cambio en la puntuación de la Starkstein Apathy Scale (SAS) desde la visita basal a la semana 24. |
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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) |
- Mean change from baseline to Week 24 in the Parkinson’s Disease – Cognitive Rating Scale (PD-CRS) total score (Time Frame: baseline to Week 24 (or early discontinuation). - Mean change from baseline to Week 24 in the Parkinson's disease - Cognitive Functional Rating Scale (PD-CFRS) total score (Time Frame: baseline to Week 24 (or arly discontinuation). - Mean change from baseline to Week 24 in the Neuropsychiatric Inventory (NPI) scores (Time Frame: baseline to Week 4, Week 12, and Week 24 (or early discontinuation) Visits. - Mean change from baseline to Week 24 in the Hamilton Depression Rating Scale (HAM-D) total score (Time Frame: baseline to Week 24 (or early discontinuation). - Mean change from baseline to Week 24 in the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) motor subscale (Part III) total score (Time Frame: baseline to Week 24 (or early discontinuation). - Mean change from baseline to Week 24 in the Schwab & England Activities of Daily Living Scale (S&E-ADL) total score (Time Frame: baseline to week 24 or early discontinuation) - Mean change from baseline to Week 24 in the 39-item Parkinson's Disease Questionnaire (PDQ-39) total score (Time Frame: baseline to week 24 or early discontinuation) - Mean change on the Patient's Clinical Global Impression of Change (P-CGI) of Apathy (Time Frame: baseline to week 24 or early discontinuation) - Mean change on the Clinical Global Impression of Change (CGI) of apathy (Time Frame: baseline to week 24 or early discontinuation). |
- Media del cambio en la puntuación de la Parkinson’s Disease – Cognitive Rating Scale (PD-CRS) total desde la visita basal a la semana 24. - Media del cambio en la puntuación de la Parkinson's disease - Cognitive Functional Rating Scale (PD-CFRS) total desde la visita basal a la semana 24. - Media del cambio en la puntuación del Neuropsychiatric Inventory (NPI) desde la visita basal a la semana 24. - Media del cambio en la puntuación de la Hamilton Depression Rating Scale (HAM-D) total desde la visita basal a la semana 24. - Media del cambio en la puntuación de la Unified Parkinson's Disease Rating Scale (MDS-UPDRS) subescala motora (Parte III) desde la visita basal a la semana 24. - Media del cambio en la puntuación de la Schwab & England Activities of Daily Living Scale (S&E-ADL) desde la visita basal a la semana 24. - Media del cambio en la puntuación de la escala 39-item Parkinson's Disease Questionnaire (PDQ-39) desde la visita basal a la semana 24. - Media del cambio en la puntuación de la escala Patient's Clinical Global Impression of Change (P-CGI) of Apathy desde la visita basal a la semana 24. - Media del cambio en la puntuación de la escala Clinical Global Impression of Change (CGI) of apathy desde la visita basal a la semana 24. |
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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 | No |
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) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
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 | 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) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
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 | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
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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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | 20 |
E.8.9.1 | In the Member State concerned days | |