E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Progressive supranuclear palsy |
paralysie supranucléaire progressive |
|
E.1.1.1 | Medical condition in easily understood language |
A rare and progressive condition that can cause problems with balance, movement, vision, speech and swallowing |
une affection rare et progressive qui peut causer des problèmes d’équilibre, de mouvement, de vision, de parole et pour avaler |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Nervous System Diseases [C10] |
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 | 10036813 |
E.1.2 | Term | Progressive supranuclear palsy |
E.1.2 | System Organ Class | 10029205 - Nervous system disorders |
|
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 efficacy of BMS-986168, compared to placebo, as measured by a change from baseline in the PSP Rating Scale (PSPRS) at Week 52.
To assess the safety and tolerability of BMS-986168, relative to placebo, by measuring the frequency of deaths, SAEs, AEs leading to discontinuation, and Grade 3 & 4 laboratory abnormalities. |
Évaluer contre placebo l’efficacité du BMS-986168, mesurée par la variation à la semaine 52 du score obtenu à la visite de référence sur l’échelle PSPRS d’évaluation de la PSP
Évaluer contre placebo l’innocuité et la tolérance du BMS-986168, en mesurant la fréquence de décès, les EIG, les EI conduisant à l’arrêt, et les anomalies de laboratoire de Grades 3 et 4 |
|
E.2.2 | Secondary objectives of the trial |
To evaluate the efficacy of BMS-986168, compared to placebo, as measured by:
- a change in baseline in the MDS-UPDRS Part II at Week 52.
- the CGI-C at Week 52.
- a change in baseline in the RBANS at Week 52.
- a change from baseline at Week 48 (Week 52 for CGI-S) on the following
instruments:
- SEADL Scale
- CGI-S
- Phonemic Fluency Test
- Letter-Number Sequencing Test
- Color Trails Test
- MoCA
To assess the impact of BMS-986168 on quality of life, relative to placebo, as measured by change from baseline on the PSP-QoL scale at Week 52.
To assess the immunogenicity of BMS-986168.
To assess the efficacy of BMS-986168, relative to placebo, as measured by absolute and percent change from baseline of brain volumes, as determined by MRI, at Week 52 in the following regions:
- Ventricles
- Whole brain
- Midbrain
- Superior cerebellar peduncle
- Third ventricle
- Frontal lobe |
Évaluer contre placebo l’efficacité du BMS-986168, mesurée par:
- la variation à la semaine 52 du score obtenu à la visite de référence sur l’échelle MDS-UPDRS Partie II
- l'échelle CGI-C à la semaine 52
- la variation à la semaine 52 du score obtenu à la visite de référence sur l’échelle RBANS
- la variation dans les instruments suivants entre la visite de référence et la semaine 48 (semaine 52 pour le CGI-S):
- Echelle SEADL
- CGI-S
- Test de fluence phonémique
- Test Séquences lettres-chiffres (LNS)
- Test CTT (Color Trails Test)
- Évaluation MoCA
Évaluer contre placebo l’impact du BMS-986168 sur la qualité de vie, mesuré par la variation à la semaine 52 du score obtenu à la visite de référence sur l’échelle PSP-QoL
Evaluer l'immunogénicité du BMS-986168
Evaluer vs placebo l'efficacité du BMS-986168 sur les volumes cérébraux déterminés par IRM, mesurée par la variation absolue et en pourcentage de la visite de référence à la semaine 52 |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Participants with probable or possible PSP
• Able to ambulate independently or with assistance
• Able to tolerate MRI
• Have reliable caregiver to accompany participant to all study visits
• Score greater or equal to 20 on the Mini Mental State Exam (MMSE) at screening
• Participant must reside outside a skilled nursing facility or dementia care facility at the time of screening and admission to such a facility must not be planned |
- Participants avec une PSP probable ou possible
- Capacité à se déplacer de manière autonome ou avec assistance
- Tolérance à l’IRM
- Présence d’un soignant pour accompagner le participant à toutes les visites de l’étude
- Score supérieur ou égal à 20 au mini-examen de l’état mental (Mini Mental State Exam ou MMSE) à la sélection
- Au moment de la sélection, le participant doit résider hors d’un établissement de soins ou d’un centre de prise en charge des patients atteints de démence, et l’admission dans ces types d’établissements ne doit pas être envisagée |
|
E.4 | Principal exclusion criteria |
• Presence of other significant neurological or psychiatric disorders
• Diagnosis of amyotrophic lateral sclerosis (ALS) or other motor neauron disease
• History of early, prominent rapid eye movement (REM) sleep behaviour disorder
• History of or screening brain MRI scan indicative of significant abnormality
• Known history of serum or plasma progranulin level less than one standard deviation below the normal patient mean for the laboratory performing the assay |
- Présence d’autres troubles neurologiques ou psychiatriques significatifs
- Diagnostic de sclérose latérale amyotrophique (SLA) ou autre maladie du motoneurone.
- Antécédents de troubles importants et précoces du sommeil paradoxal avec mouvements oculaires rapides
- Réalisation antérieure ou à la sélection d’une IRM du cerveau indiquant une anomalie significative
- Antécédents connus de taux de progranuline sérique ou plasmatique inférieur de moins d’un écart-type à la moyenne normale du patient pour le laboratoire qui réalise le test |
|
E.5 End points |
E.5.1 | Primary end point(s) |
1. Change in PSP (Progressive Supranuclear Palsy) Rating Scale
2. Frequency of Adverse Events |
1. Changement dans les échelle d'évaluation de la PSP (PSPRS)
2. Fréquence des Evènements Indésirables |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
|
E.5.2 | Secondary end point(s) |
1. Change in Movement Disorder Society (MDS)-sponsored revision of the Unified Parkinson’s Disease Rating Scale (MDSUPDRS) Part II.
2. Impact of on the Clinical Global Impression of Change (CGI-C) scale score .
3. Impact on the Repeatable Battery for the Assessment of Neuropsychological Disease Severity (RBANS) scale.
4. Impact on the Progressive Supranuclear Palsy Quality of Life scale (PSP-QoL) scale.
5. Impact on the following instruments:
- Schwab and England Activities of Daily Living (SEADL) Scale
- Clinical Global Impression of Severity (CGI-S)
- Phonemic Fluency Test
- Letter-Number Sequencing Test
- Color Trails Test
- Montreal Cognitive Assessment (MoCA).
6. Immunogenicity by assessment of the presence or absence of specific drug antibodies (anti-BMS-986168) in serum.
7. Impact on brain volumes, as determined by MRI. |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
All - screening and Week 52.
Except:
- Scale, Phonemic Fluency Test, Letter-Number Sequencing Test, Color Trails Test and MoCA - screening and Week 48.
- Immunogenicity - Day 1, Weeks 4, 8, 12, 24, 36 and 48 then at 24 week intervals during the open-label period. |
|
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 | 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 | Yes |
E.6.13.1 | Other scope of the trial description |
Immunogenicity, biomarker analysis |
|
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 | 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 | Yes |
E.8.1.7.1 | Other trial design description |
Double-blind treatment period followed by an open-label extension period |
|
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 | 7 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 40 |
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 |
Australia |
Austria |
Canada |
France |
Germany |
Italy |
Japan |
Korea, Republic of |
Netherlands |
Russian Federation |
Spain |
United Kingdom |
United States |
|
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
|
The date that the last participant completes the last study visit or scheduled procedure, will be defined as the end of the study. |
La date à laquelle le dernier participant termine la dernière visite d’étude ou de la procédure prévue, sera définie comme la fin de l’étude. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 1 |
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 | 9 |
E.8.9.2 | In all countries concerned by the trial days | 0 |