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Family Physicians and Predictive Genetics Study

R. Gramling, MD, Principal Investigator

Justin Nash, Karen Siren, MPH; Larry Culpepper, MD MPH

Three hundred members of the MAFP shared thoughts with us on our one page survey (43% of MAFP). This is a very respectable percentage of physician responders…we're usually "filing" them away because of the competing demands on our time. Thanks for your effort.

Here are some of the main points we learned from you. About 90 percent of you felt screening for an inherited risk of cancer was important to your practice and nearly half felt it was very important. However, only 9 percent of you feel very confident in your screening ability and over 1/3 felt unable to screen effectively. Data coming out of Great Britain and Canada suggest both that primary care providers there have similar perspectives and that cancer family history screening tools can be effective for both the recognition and initial management of individuals with concerning family histories of cancer. As a direct result of your input, we are working with others to develop and test such interventions in our healthcare system.

Some concern exists about the possibility of inducing a fatalistic response by testing individuals for predisposition to cancer. Empirical data in this area is limited. No responders to this questionnaire reported that they thought individuals would be less likely to pursue screening for cancer given a concerning result. Similarly, the vast majority of responders felt that recipients of a high-risk DNA test would improve their diet and exercise, screen for other diseases and quit smoking. While we did not ask about whether these expected behaviors are appropriate or healthy responses, it appears that respondents have a low concern of fatalism resulting from testing. It was also very clear that those who felt that screening was appropriate tended to endorse more optimism about the effects of testing on behavior. Your thoughts will help in the development of observational research to assess these outcomes of DNA testing.

While 300 of the MAFP members responded, we do not know the feelings of the other 400. The discussion of our results in subsequent publications will remain humble and limited but it will contribute to the international debate about predictive genetics in primary care. Thanks for your time and thoughts.

Sincerely,

Bob Gramling, MD Corresponding author
Larry Culpepper, MD MPH
Karen Siren, MPH
Bob Baldor, MD MPH
Joe Stone

NEWS!!! The first MASSNET study to be published will appear in the May/June 2003 issue of Genetics in Medicine.

Gramling R, Nash J, Siren K, Culpepper L. Predictive genetics in primary care:Expectations for the motivational impact of genetic testing affects the importance family physicians place on screening for familial cancer risk. Genetics in Medicine. 5:3.

Another paper by the authors entitled "Family physician self-efficacy with screening for an inherited risk of cancer" will soon be published in the Annals of Family Medicine.


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