Status:

TERMINATED

Dipraglurant (ADX48621) for the Treatment of Patients With Parkinson's Disease Receiving Levodopa-based Therapy

Lead Sponsor:

Addex Pharma S.A.

Conditions:

Parkinson Disease

Dyskinesia, Drug-Induced

Eligibility:

All Genders

30-85 years

Phase:

PHASE2

PHASE3

Brief Summary

This study is designed to evaluate the safety and efficacy of dipraglurant in PD patients with dyskinesia (randomized 1:1 to receive active or placebo) for 12 weeks (1 week at 150 mg per day and 11 we...

Eligibility Criteria

Inclusion

  • Patients with Parkinson's Disease on a stable regimen of antiparkinson's medications, including a levodopa preparation administered not less than 3 times daily.
  • Meet protocol-specified criteria for moderate to severe dyskinesia symptoms based on UDysRS and Movement Disorder Society - Unified Parkinson's Disease Rating Scale (MDS-UPDRS) assessments.
  • Meet protocol specified criteria for ON time with troublesome dyskinesia based on a standard PD home diary.

Exclusion

  • Prior surgical treatment for Parkinson's Disease (e.g., deep brain stimulation).
  • Other neurological disease (including psychiatric disease and/or cognitive impairment) that, in the opinion of the investigator, would affect the patient's ability to complete study assessments.
  • Other significant medical condition that may affect the safety of the patient or preclude adequate participation in the study.
  • Pregnant or breast-feeding. Female patients who are of child-bearing potential must be using adequate contraceptive methods (e.g. oral contraceptive, double-barrier method, intra-uterine device, intra-muscular hormonal contraceptive), and have a negative pregnancy test at Screening.
  • Other protocol-defined inclusion and exclusion criteria may apply

Key Trial Info

Start Date :

August 6 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 15 2022

Estimated Enrollment :

25 Patients enrolled

Trial Details

Trial ID

NCT04857359

Start Date

August 6 2021

End Date

August 15 2022

Last Update

August 6 2025

Active Locations (41)

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Page 1 of 11 (41 locations)

1

Xenosciences Inc

Phoenix, Arizona, United States, 85004

2

Neuro-Pain Medical Center

Fresno, California, United States, 93710

3

University of California Irvine Medical Center

Irvine, California, United States, 92697

4

Stanford Neuroscience Health Center

Palo Alto, California, United States, 94304