Fighting the risk of developing Parkinson's disease; Clinical counseling for first degree relatives of patients with Parkinson's disease

Nir Giladi, Anat Mirelman, Avner Thaler, Anat Bar-Shira, Tanya Gurevich, Avi Orr-Urtreger

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Background: Parkinson's disease (PD) has a long pre-diagnosis phase that may span as long as 10-20 years. The ability to identify at risk populations raises the possibility of early intervention to delay or prevent the onset of motor symptoms. In Israel, there is a large group of Ashkenazi Jews at risk of developing PD due to high frequency of PD associated mutations in 2 genes (GBA and LRRK2). Objective: To describe our unique experience with a clinical counseling service for 1st degree relatives of PD patients from the Ashkenazi origin who carry the G2019S mutation in the LRRK2 gene. Method: One hundred, self declared, healthy, first degree relatives of PD patients who carry the G2019S mutation in the LRRK2 gene were tested clinically and genetically in a cross sectional study. Those who have requested information on their risk to develop PD were invited to a free of charge, clinical counseling session to provide information on their risk of developing PD and potential risk modifiers that can be applied. Genetic status was not disclosed and the counselor was unaware of the subjects' G2019S mutation status. Results: 46 subjects (mean age 48.2 ± 10.7; 46% males) came for clinical counseling provided by a Movement Disorders specialist. Siblings and off-springs of the same proband were seen together. Counseling provided general information about the pre-diagnosis phase of PD, the concept of population at risk and habitual and behavioral recommendations that may delay PD motor symptoms onset. Conclusion: A high percentage of individuals at risk for developing PD requested clinical counseling on modifiers of the risk to develop PD. Counseling provided information as well as recommendations for behavioral modifications and drug treatment. Screening population at risk increases the awareness as well as early diagnosis of PD. Prospective information is needed in order to improve our knowledge base and assess the long term impact of such a counseling service.

Original languageEnglish
Pages (from-to)17-20
Number of pages4
JournalJournal of the Neurological Sciences
Volume310
Issue number1-2
DOIs
StatePublished - 15 Nov 2011

Keywords

  • Clinical counseling
  • LRRK2 gene
  • Parkinson's disease

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