Last updated on January 2020

Amantadine and L-DOPA-induced Dyskinesia in Early Parkinson's Disease


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Parkinson's disease
  • Age: Between 35 - 100 Years
  • Gender: Male or Female

Inclusion Criteria:

  • Age over 35 years,
  • Patients having signed an informed consent before any specific study procedures,
  • Patients having a health Insurance Coverage (according to local regulatory requirements),
  • Patients suffering from idiopathic Parkinson's disease meeting the definition criteria of the UKPD Brain Bank (Gibb and Lees, 1988),
  • Parkinson's disease diagnosed for <3 years,
  • Patients receiving treatment with L-DOPA from <1year,
  • Lack of complications of levodopa therapy
  • Patients receiving a stable antiparkinsonian treatment that may involve, in addition to L-DOPA, a dopamine agonist, a monoamine oxidase-B (MAO-B) or a catecholamine O-methyl transferase (COMT) inhibitor, an anti-cholinergic for at least 2 months before enrollment and in whom we presume it will be possible to maintain this treatment unchanged during the study period (except the dose of L-dopa which can be adjusted during the study after the third month of Phase 1).

Exclusion Criteria:

  • Atypical parkinsonian syndromes,
  • Drug-induced Parkinsonism,
  • Juvenile Parkinson,
  • Patients with complications of levodopa therapy
  • Inability to keep the current stable antiparkinsonian treatment during the study period, apart from L-DOPA,
  • Pretreatment with amantadine,
  • amantadine counter-indication
  • Neuroleptic treatment,
  • Patients with dementia, Mini Mental Status (MMS) <26,
  • Patient with behavioral disorder, ECMP item 3
  • Female subjects of childbearing potential without effective contraception

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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