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Grant Details

Grant Number: 5R01CA135179-05 Interpret this number
Primary Investigator: Schwartz, Marc
Organization: Georgetown University
Project Title: Internet Decision Support for BRCA1/Brca2 Carriers
Fiscal Year: 2013


DESCRIPTION (provided by applicant): Genetic testing for BRCA1 and BRCA2 (BRCA1/2) mutations has become part of routine clinical care for women with a strong family history of breast or ovarian cancer. Women who carry a BRCA1/2 mutation have elevated lifetime risks of developing breast and ovarian cancer. Management guidelines consist of intensive surveillance or consideration of risk reducing mastectomy and oophorectomy. Although these surgical approaches significantly reduce the risk of associated cancers, many carriers are reluctant to choose these strategies. Given the complex and emotional nature of these highly consequential decisions, it is not surprising that many carriers report dissatisfaction with the information and counseling they have received regarding these decisions. Moreover, they often rate management decision making as one of the most stressful aspects of BRCA1/2 testing. The goal of this study is to evaluate the effectiveness of potentially disseminable interventions to help patients make well- informed, and implemented, management decisions that are consistent with their preferences. In order to accomplish this, the effects of traditional print information, web- based information, and a decision aid (DA) also delivered in print and interactively via the web will be assessed. DAs have been shown to be effective in helping patients make complex medical decisions. Although several DAs have been developed for BRCA1/2 carriers, few have been tested in randomized trials. Thus, in this large multi-site trial, a 2 X 2 randomized factorial design will be employed to evaluate both the effectiveness and cost effectiveness of the intervention (information only vs. information + DA) and delivery mode (web vs. print) within a clinical population of women receiving positive BRCA1/2 results. Multiple patient outcomes, including utilization of risk reducing surgery, health related quality of life, and distress will be assessed. In addition, the mechanisms by which the interventions impact on patient outcomes as well as characteristics and predictors of individuals most and least likely to benefit from the interventions and to utilize the web and print materials will be identified. The findings from this innovative research will be relevant not only to the increasing numbers of identified BRCA1/2 carriers, but also to other populations as "personalized medicine" becomes more widespread. Important questions about how to best target DAs and the potential advantages of web-based interventions will also be evaluated.


Predictors of risk-reducing surgery intentions following genetic counseling for hereditary breast and ovarian cancer.
Authors: Ladd M.K. , Peshkin B.N. , Senter L. , Baldinger S. , Isaacs C. , Segal H. , Philip S. , Phillips C. , Shane K. , Martin A. , et al. .
Source: Translational behavioral medicine, 2020-05-20; 10(2), p. 337-346.
PMID: 30418620
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