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Arbeitsgruppen - Chirurgische Therapie -
Background

The Surgical Approaches Working Group encompasses new and emerging treatments for HD for which the delivery will require a neurosurgical intervention.
This includes:
  • cell replacement therapy
  • delivery of neurotrophic factors
  • deep brain stimulation (DBS)
  • genetic manipulation (e.g. RNA interference).
The surgical approach which has progressed furthest, to date, has been transplantation of developing striatal tissue into the striatum of individuals with HD. This work was predicated on many decades of experimental evidence and has now resulted in a small number of clinical studies. Although a firm conclusion is premature, preliminary data suggest that this approach can provide functional benefit.

Description

Clinical studies of neurosurgical interventions tend to be complex, difficult, and require a close relationship between specialists from several disciplines, including neurosurgeons, neurologists, psychologists, psychiatrists, and neuroscientists. Hence, the Surgical Approaches Working Group consults with others (for example, the Motor Phenotype and the Cognitive Phenotype WGs) for the development of outcome measures.

Current projects

Some neurosurgical research areas already have a forum for discussion (NECTAR for cell replacement therapy and neurotrophic delivery), whereas others are not yet ready to translate preliminary results to clinical studies (e.g. RNA interference).

Following the kick-off meeting, the Surgical Approaches Working Group decided to focus on deep brain stimulation, as this appeared to be the area which could most benefit from the activities of the working group at the present time. Deep brain stimulation (DBS) is a surgical treatment involving the implantation of a medical device which sends electrical impulses to specific parts of the brain, particularly the globus pallidus.

Based on very promising results seen in individual case studies from colleagues in Canada, and in collaboration with these colleagues, we plan to study whether DBS may have a significant role in the management of HD. Consequently, discussions within the working group have focused over the last two years on developing a protocol for a clinical pilot trial of DBS in HD patients with marked uncontrolled chorea. A pilot is planned for the near future and it is anticipated that a multicentre trial will follow once sufficient pilot data is available to guide and power the full study. This study is co-chaired by Prof. Jan Vesper, University of Freiburg, Germany.
Membership

The working group membership is multidisciplinary and includes neurosurgeons, neurologists, psychologists and neuroscientists. The DBS group has approximately 20 regular members (August 2008).

Links

 

Contacts

Lead Facilitators

Chair
Prof. Anne Rosser
Professor of Neurology, Wissenschaftliche Begutachtung, Hauptverantw. Prüfarzt Motorische Beurteilung, Arbeitsgruppensprecher Surgical Therapy
Cardiff University, Life Sciences Building
Anschrift: Museum Avenue
CF10 3US Cardiff
U.K.
Telefon: +44 29 20875188
Fax: +44 29 20876749
E-Mail: 

Co-Chair

Prof. DSc Stephen Dunnett
Neurobiologist, Arbeitsgruppensprecher Surgical Therapy
Cardiff University, School of Biosciences
Anschrift: Museum Avenue, Box 911,
CF10 3US Cardiff
U.K.
Telefon: +44 29 20875188
Fax: +44 29 20876749
E-Mail: 
Homepage: www.cf.ac.uk/biosi/research/neuroscience...

Co-Chair DBS focus group

Prof. Dr. med. Jan Vesper
Neurochirurg, Hauptverantwortlicher Prüfarzt HD-DBS, Arbeitsgruppe
Universitätsklinikum Düsseldorf, Funktionelle Neurochirurgie und Stereotaxie
Anschrift: Moorenstr. 5
40225 Düsseldorf
Deutschland
Telefon: +49 211 8118408
Fax: +49 211 8101518408
E-Mail: 

Associated Language Area Coordinator (Lanco)

, Poland