STN-Stimulation Versus Best Medical Treatment in Advanced PD


Assessment of the therapeutic effect of deep brain stimulation of the subthalamic nucleus compared with drug treatment alone in patients with advanced Parkinson's disease.

Full Title of Study: “Randomized, Multicenter, Prospective, Parallel-Group Study of the Effect of Deep Brain Stimulation (Subthalamic Nucleus) on Quality of Life and Motor Complications in Patients With Advanced Parkinson’s Disease Compared With Best Medical Treatment”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)

Detailed Description

Patients are randomized either to medical treatment or subthalamic stimulation. The observation period was 6 months. The primary outcome criterium: PDQ-39 and UPDRS III.


  • Procedure: Implantation of stimulation electrodes in the STN

Clinical Trial Outcome Measures

Primary Measures

  • Quality of life
  • Motor Score in the OFF (UPDRS III)

Participating in This Clinical Trial

Inclusion Criteria

advanced Parkinson's disease with UPDRS III score >29/104 or Dyskinesia score > 2 or tremor >2

Exclusion Criteria

age>75 years depression psychosis surgical contraindications

Gender Eligibility: All

Minimum Age: 20 Years

Maximum Age: 75 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • German Parkinson Study Group (GPS)
  • Overall Official(s)
    • Guenther Deuschl, Prof., Principal Investigator, Department of Neurology, Christian-Albrechts University

Citations Reporting on Results

Deuschl G, Schade-Brittinger C, Krack P, Volkmann J, Schäfer H, Bötzel K, Daniels C, Deutschländer A, Dillmann U, Eisner W, Gruber D, Hamel W, Herzog J, Hilker R, Klebe S, Kloss M, Koy J, Krause M, Kupsch A, Lorenz D, Lorenzl S, Mehdorn HM, Moringlane JR, Oertel W, Pinsker MO, Reichmann H, Reuss A, Schneider GH, Schnitzler A, Steude U, Sturm V, Timmermann L, Tronnier V, Trottenberg T, Wojtecki L, Wolf E, Poewe W, Voges J; German Parkinson Study Group, Neurostimulation Section. A randomized trial of deep-brain stimulation for Parkinson's disease. N Engl J Med. 2006 Aug 31;355(9):896-908. Erratum in: N Engl J Med. 2006 Sep 21;355(12):1289.

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