Prospective Evaluation of Predictive DNA Testing for Huntington's Disease in a Large German Center

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Abstract
We present a prospective study of counselees seeking predictive testing for Huntington's disease at the Huntington Center North Rhine‐Westphalia (Bochum, Germany) between 2010 and 2012. The aim was to observe the decision‐making process of at‐risk individuals and explore their experiences following the decision as well as the impacts of positive and negative mutation results. Data were collected using two standardized questionnaires as well as via a semi‐standardized telephone interview one year after the initial counseling session. Seventy‐two individuals participated in at least one of the three phases of the survey, including 31 individuals in the telephone interview. Sociodemographic data were in accordance with previous reports. The process of predictive testing was generally perceived in a positive manner, with almost all interviewees reporting a balanced emotional state one year after initial counseling, regardless of the decision for or against the test. The most important reasons named in favor of or against testing were assembled as well as different aspects regarding the satisfaction with the reached decision. In line with and expanding previous observations on gender‐related differences in decision‐making, our results suggest that gender‐related aspects should be more strongly taken into account in genetic counseling during the predictive testing and counseling processes.
Funding Information
  • Medizinische Fakultät, Ruhr-Universität Bochum (K040-09)

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