临床试验/NCT05819359

NCT05819359进行中（未招募）2 期

A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, Tolerability, Pharmacodynamics, and Pharmacokinetics of BIA 28-6156 in Subjects With Parkinson's Disease With a Pathogenic Variant in the Glucocerebrosidase (GBA1) Gene

Bial R&D Investments, S.A.183 个研究点分布在 7 个国家目标入组 237 人开始时间: 2023年3月31日最近更新: 2026年5月13日

适应症

干预措施

试验速览

阶段: 2 期
状态: 进行中（未招募）
发起方
入组人数: 237
试验地点: 183
主要终点: Time from baseline to clinically meaningful progression on motor aspects of experiences of daily living (assessed by MDS-UPDRS Part II score and MDS-UPDRS Part III score)

研究概览研究设计入排标准研究组 & 干预措施结局指标研究者研究点记录与标识符相似试验相关资讯

研究概览

简要总结

The purpose of this randomized, double-blind, placebo-controlled study is to assess the efficacy of BIA 28-6156 over placebo in delaying clinical meaningful motor progression over 78 weeks in subjects with Parkinson's disease who have a pathogenic variant in the glucocerebrosidase 1 (GBA1) gene (GBA-PD).

详细描述

This is a 2-part (Part A [Genetic Screening] and Part B [Double-Blind Treatment]), Phase 2, multicenter, randomized, double-blind, placebo-controlled study to evaluate the efficacy, safety, tolerability, pharmacodynamics, and pharmacokinetics of 2 fixed dose levels of BIA 28-6156 (10 and 60 mg/day) in approximately 237 subjects with genetically confirmed GBA-PD.

Part A (Genetic Screening) will identify individuals with a PD risk-associated variant in the GBA1 gene for potential enrolment into Part B (Double-Blind Treatment) of the study. Part B will consist of a screening period to ensure that all protocol inclusion/exclusion criteria for Part B of the study are met (up to 5 weeks). After screening period, eligible subjects will be randomized into 1 of 3 treatment arms (BIA 28-6156 10 mg/day, BIA 28-6156 60 mg/day, or placebo) in a 1:1:1 ratio, and enter a double-blind treatment period up to 78 weeks, followed by a 30-day (4 weeks) of safety follow-up period.

Subjects must be receiving a stable dose of PD medication for at least 30 days before screening (for Part B [Double-Blind Treatment]) and will continue to receive their usual PD medications throughout the study.

研究设计

研究类型: Interventional
分配方式: Randomized
干预模型: Parallel
主要目的: Treatment
盲法: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

入排标准

年龄范围: 35 Years 至 80 Years（Adult, Older Adult）
性别: All
接受健康志愿者: 否

入选标准

•Subjects who satisfy all of the following criteria will be eligible for Part A (Genetic Screening) of the study:
•The subject is ≥35 and ≤80 years of age at the time of informed consent.
•The subject has a clinical diagnosis of PD for at least 1 year and for no longer than 7 years before initiation of screening (for Part A), as confirmed by a neurologist using the MDS Criteria for Parkinson's Disease.
•The subject has a modified Hoehn and Yahr score ≤2.
•The subject is receiving symptomatic treatment for PD.
•The subject is capable of giving signed informed consent.
•Subjects who satisfy all the following criteria will be eligible for Part B (Double-Blind Treatment) of the study:
•Informed Consent - The subject is capable of giving signed informed consent.
•The subject has a known GBA-PD risk-associated variant (as determined in Part A [Genetic Screening] of this study).
•The subject has a score ≥22 on the Montreal Cognitive Assessment (MoCA) scale.
•The subject does not have severe motor fluctuations or disabling dyskinesias in the clinical judgment of the investigator.
•The subject has been on stable doses of PD medications for at least 30 days (at least 60 days for rasagiline) before initiation of screening in Part B (Double-Blind Treatment).
•The subject is able to comply with the study restrictions.
•The subject has a body mass index (BMI) of 18 to 40 kg/m
•If a sexually active man or a women of childbearing potential, the subject agrees to use highly effective birth control or to remain abstinent during the trial and for 30 days after the last dose of IMP. Complete abstinence from sexual intercourse if this is the subject's usual and preferred lifestyle; or sexual partner with surgical sterilization (e.g., tubal ligation, hysterectomy and/or bilateral oophorectomy, vasectomy).

排除标准

•Individuals who do not satisfy the inclusion criteria for Part A (Genetic Screening) will be excluded.
•Subjects who meet any of the following criteria for Part B (Double-Blind Treatment) are not eligible for the study.
•The subject has Gaucher's disease (GD), as defined by clinical signs and symptoms (i.e., hepatosplenomegaly, cytopenia, skeletal disease), and/or a medical history of marked deficiency of GCase activity compatible with GD.
•The subject is homozygous for a GBA1 pathogenic variant that is known to be associated with GD or compound heterozygous for 2 alleles that are known to be associated with GD.
•The subject carries a known PD-associated LRRK2 pathogenic variant.
•The subject has atypical or secondary parkinsonism by medical history or in the opinion of the investigator. Atypical parkinsonism includes, but is not limited to, diagnoses of progressive supranuclear palsy, cortico-basal syndrome, and multiple system atrophy. Secondary parkinsonism includes drug-induced, toxin-induced, postinfectious, posttraumatic, or vascular parkinsonism.
•The subject has a history of (within 60 days before initiation of screening) or has planned upcoming major surgery that could interfere with, or for which the treatment might interfere with, the conduct of the study or that would pose an unacceptable risk to the subject in the opinion of the investigator.
•The subject has any active or chronic disease or condition other than PD that could interfere with, or for which the treatment might interfere with, the conduct of the study or pose an unacceptable risk to the subject in the opinion of the investigator based on medical history, physical examination, vital signs, 12-lead ECG, or clinical laboratory tests. Minor deviations of laboratory values from the normal range may be acceptable if judged by the investigator to have no/minor clinical relevance.
•The subject has a recent history (last 6 months) of abuse of addictive substances (alcohol, illegal substances), currently uses >21 units of alcohol per week, or is a regular recreational user of sedatives, hypnotics, tranquillizers, or any other addictive agent in the opinion of the investigator.
•The subject has a positive test for drugs of abuse at screening or before administration of the first dose of investigational medicinal product (IMP) that the investigator judges as clinically relevant. A positive test for tetrahydrocannabinol (THC) is exclusionary. A positive test for cannabinoids (not containing THC) is not exclusionary if the subject is a recreational user (not an abuser) of cannabinoids, in the opinion of the investigator, and agrees to abstain from using cannabinoids within 12 hours before study visits. A positive drug screen that is attributed to an allowed prescription drug is not exclusionary but should be agreed with the medical monitor.
•The subject is currently pregnant, is planning pregnancy within the timeframe of the study, or is breastfeeding.
•The subject is using a strong inhibitors and inducers CYP3A4 at the time of screening for Part B (Double-Blind Treatment).
•The subject is using a breast cancer resistance protein (BCRP) substrate (e.g., pravastatin, rosuvastatin, glyburide) at the time of screening for Part B (Double-Blind Treatment).
•The subject has used any of the following medications within 60 days before Baseline: typical or atypical antipsychotics (including, but not limited to, clozapine, pimavanserin, olanzapine, risperidone, and aripiprazole), metoclopramide, prochlorperazine, methyldopa, tetrabenazine, deutetrabenazine, valbenazine, or reserpine.
•The subject has received a vaccination within 14 days before administration of the first dose of IMP.
•The subject has a prior history of or there is a plan to conduct deep brain stimulation (DBS), lesional procedures, (i.e., thalamotomy), or focused ultrasound; to initiate gene therapy treatment for PD; or to initiate use of any formulation of intestinal infusion or continuous subcutaneous infusion of PD medications.
•The subject is currently participating in or has participated in an investigational drug study within 3 months or 5 half-lives, whichever is longer; in a therapeutic device study within 3 months before the first dose of IMP; or has previously participated in a gene therapy trial. Concurrent participation in an observational study is acceptable.
•The subject has a positive test result for hepatitis B surface antigen (HBsAg), hepatitis C virus antibody (anti-HCV), or human immunodeficiency virus 1 (HIV-1) or 2 (HIV-2) at screening. If reflex testing for hepatitis B or HCV DNA is negative, the subject may be eligible for the study.
•The subject has renal insufficiency as defined by an estimated glomerular filtration rate (eGFR) of <60 mL/min at screening.
•The subject has cirrhosis (Child-Pugh A, B, or C) or any of the following laboratory values at screening: serum alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >2 times the upper limit of normal (ULN) or bilirubin >2 × ULN except if the subject has known or suspected Gilbert's disease.
•The subject has a QT interval corrected for heart rate by Fridericia's method (QTcF) value >450 msec if male or >470 msec if female at screening.
•The subject provides a positive response on Question 4 or 5 of the Columbia-Suicide Severity Rating Scale (C-SSRS) based on the last 6 months or, in the opinion of the investigator, presents a serious risk of suicide at screening.
•The subject had a positive severe acute respiratory syndrome-related coronavirus-2 (SARS-CoV-2) test (any type) result within the 30 days before signing informed consent for Part B (Double-Blind Treatment) or has 2 or more current symptoms (e.g., sore throat, cough, fever) at the same time that are consistent with the Coronavirus disease 2019 (COVID-19) infection (not tested) in the opinion of the investigator.
•The subject has a clinical history that is consistent with a previous COVID-19 infection and has not recovered fully, maintaining nonspecific symptoms like, for example, fatigue, shortness of breath, difficulty concentrating, sleep disorders, fever, anxiety, and depression.
•The subject has previously received BIA 28-6156 or has a known allergy or hypersensitivity to BIA 28-6156 or any components of the formulation.
•The subject is an unsuitable candidate to receive BIA 28-6156 or is unable or unlikely to comply with the dosing schedule or study evaluations in the judgment of the investigator.

研究组 & 干预措施

Placebo

Placebo Comparator

Placebo

干预措施: Placebo (Drug)

BIA 28-6156 60 mg

Experimental

Participants will be randomized to receive BIA 28-6156 60 mg during the Treatment Period.

干预措施: BIA 28-6156 60 mg (Drug)

BIA 28-6156 10 mg

Experimental

Participants will be randomized to receive BIA 28-6156 10 mg during the Treatment Period.

干预措施: BIA 28-6156 10 mg (Drug)

结局指标

主要结局

Time from baseline to clinically meaningful progression on motor aspects of experiences of daily living (assessed by MDS-UPDRS Part II score and MDS-UPDRS Part III score)

时间窗: From Baseline up to Week 78

Time from baseline to clinically meaningful progression on motor aspects of experiences of daily living, as assessed by ≥2-point increase from baseline in Movement Disorder Society - Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part II score and no improvement in the Motor Examination, as assessed by ≥0-point increase from baseline in MDS-UPDRS Part III score. MDS-UPDRS is a multimodal scale assessing impairment and disability consisting of 4 parts. Part II assesses motor experiences of daily living (Range 0-52). It contains 13 questions which are to be rated by the patient and/or caregiver. Part III assesses the motor signs of PD and is rated by the investigator (Range 0-132). Part III contains 33 scores based on 18 items. For each question a numeric score is assigned between 0-4, where 0 = Normal, 1 = Slight, 2 = Mild, 3 = Moderate, 4 = Severe. A higher score indicates more severe symptoms of PD.

次要结局

Time from baseline to clinically meaningful progression on motor signs of the disease (assessed by MDS-UPDRS Part III score)(From Baseline up to Week 78)
Change from Baseline to Week 78 in the 39-Item Parkinson's Disease Questionnaire (PDQ-39) score(From Baseline up to Week 78)
Time from baseline to any worsening on the Patient Global Impression - Change (PGI-C) scale(From Baseline up to Week 78)
Change from Baseline to Week 78 in the MDS-UPDRS Total (Part I-IV) score(From Baseline up to Week 78)
Change from Baseline to Week 78 in the Modified Hoehn and Yahr score(From Baseline up to Week 78)
Time from baseline to any worsening on the Clinical Global Impression - Change (CGI-C) scale(From Baseline up to Week 78)

研究者

发起方

Bial R&D Investments, S.A.

申办方类型

Industry

责任方

Sponsor

研究点 (183)

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