Last updated on July 2019

A Global Study to Assess the Drug Dynamics Efficacy and Safety of GZ/SAR402671 in Parkinson's Disease Patients Carrying a Glucocerebrosidase (GBA) Gene Mutation


Brief description of study

Primary Objectives:

  • Part 1: To determine the safety and tolerability of GZ/SAR402671 administered orally, as compared to placebo in patients with early-stage Parkinson's disease (PD) carrying a GBA mutation or other pre-specified variants.
  • Part 2: To determine the efficacy of GZ/SAR402671 administered orally daily, as compared to placebo in patients with early-stage Parkinson's disease carrying a GBA mutation or other pre-specified variants.

Secondary Objectives:

Part 1:

  • To assess the pharmacokinetic (PK) profile of oral dosing of GZ/SAR4027671 in plasma when administered in early-stage Parkinson's disease patients carrying a GBA mutation.
  • To assess the exposure of GZ/SAR402671 in cerebrospinal fluid (CSF) when administered in early-stage Parkinson's disease patients carrying a GBA mutation.

Part 2:

  • To demonstrate overall safety and tolerability of GZ/SAR4027671 administered orally in early-stage Parkinson's disease patients carrying a GBA mutation as compared to placebo.
  • To assess the pharmacodynamic response to daily oral dosing of GZ/SAR402671 in plasma and CSF as measured by glucosylceramide (GL-1) when administered in early-stage Parkinson's disease patients carrying a GBA mutation.

Detailed Study Description

The total study duration per subject in Part 2 will be approximately 170 weeks that will consist of 8.5 weeks of screening period, 52 weeks of treatment period, 104 weeks of follow-up period, and 6 weeks of post-treatment observation period. Part 1 maximal duration will be up to 48 weeks outside Japan, and up to 66 weeks in Japan.

Clinical Study Identifier: NCT02906020

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