Consumers have few negative reactions to the results of genetic testing for cancer mutations

Public release date: 12-Feb-2013
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Contact: Catherine Afarian
cat@23andme.com
408-656-8872
PeerJ

Information prompts individuals to consult physician, inform relatives

A 23andMe study of consumers' reactions to genetic testing found that even when the tests revealed high-risk mutations in individuals, those individuals had few negative reactions to the news. Instead of inducing serious anxiety, the test results prompted people to take positive steps, including follow-up visits with a doctor and discussions with family members who could also be at risk.

The study, titled "Dealing with the unexpected: Consumer responses to direct-access BRCA mutation testing" published today as part of the launch of PeerJ, a new peer reviewed open access journal in which all articles are freely available to everyone.

"The paper addresses one of the most urgent questions in the field of genetics and genomics, namely the impact of receiving unexpected information about high genetic risk for a life-threatening disease," said the lead author of the paper and 23andMe's Senior Medical Director Dr. Uta Francke.

The study looked at how people reacted when they learned for the first time that they carried a mutation in either the BRCA1 or BRCA2 gene that put them at higher risk for breast and ovarian cancer. The study included interviews conducted with 32 individuals found to be mutation carriers and 31 individuals found to be non-carriers. Five to ten percent of breast cancers occur in women with a genetic predisposition for the disease, usually due to mutations in either the BRCA1 or BRCA2 gene. The mutations at the center of this study are responsible for a substantial number of hereditary breast and ovarian cancers among women with Ashkenazi Jewish ancestry.

Those who acquired the potentially life-saving information not only took appropriate actions on their own behalf, but also notified relatives who might share that risk. In what the study described as a "cascade effect," a number of relatives who were subsequently tested discovered they too had one of the mutations.

The findings are important given that a frequent concern regarding direct-to-consumer testing is based on the assumption that it causes either serious emotional distress or triggers deleterious actions on the part of consumers. Individuals who learned they had the mutation said they did not suffer serious emotional distress, and did not take inappropriate actions. All but one of the 32 mutation-positive participants appreciated learning their BRCA mutation status. None of the 31 mutation-negative individuals misinterpreted their result to think they are free from all risks and safe to abandon routine cancer screening.

The study provides important preliminary data that suggest some of the bioethical concerns may be overstated, at least for the self-selected pool of individuals who seek DTC personal genomics information. The authors suggested that broader screening of Ashkenazi Jewish women for these three BRCA mutations should be considered." ?

###

This article is being published as part of the launch of PeerJ (a new Open Access journal). There is a separate Press Release for the PeerJ launch, at: http://bit.ly/PeerJPR02052013

Competing Interests Statement (from the article): "UF, AKK, NE, BM, JYT and JLM are and CD was employed by 23andMe. UF, AKK, NE, BM, JYT and JLM hold stock options in the company. UF is an Academic Editor on PeerJ."

Funding Statement (from the article): "This work was supported by 23andMe, Inc. "Funding" consisted of the company paying the authors' salaries, the transcription service and Amazon gift certificates to participants who completed the phone interviews. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."

Ethical Approval (from the article): "The following information relates to ethical approvals: AAHRPP-accredited Ethical & Independent Review Services Institutional Review Board (E&I Review Document IRB-1-02.5)."

Handling Academic Editor (conducted the peer review and approved the publication): Jennifer Wagner, Center for the Integration of Genetic Healthcare Technologies, Division of Translational Medicine and Human Genetics, University of Pennsylvania

PeerJ encourages authors to publish the peer reviews, and author rebuttals, for their article. For the purposes of due diligence by the Press, we provide these materials as a PDF at the following link (this link will NOT work after the embargo lifts after that time the review comments will be accessible via the live article URL noted above): http://bit.ly/FranckePeerJReviews

Citation to the article: Francke et al. (2013), Dealing with the unexpected: consumer responses to direct-access BRCA mutation testing. PeerJ 1:e8; DOI 10.7717/peerj.8

About PeerJ

PeerJ is an Open Access publisher of scholarly scientific content, which offers researchers a lifetime membership, for a single low price, giving them the ability to openly publish all future articles for free. The launch of PeerJ occurred on February 12th, 2013 with the publication of 30 articles. PeerJ is based in San Francisco, CA and London, UK and can be accessed at https://peerj.com/.

All works published in PeerJ are Open Access and published using a Creative Commons license (CC-BY 3.0). Everything is immediately availableto read, download, redistribute, include in databases and otherwise usewithout cost to anyone, anywhere, subject only to the condition that the original authors and source are properly attributed.

PeerJ Media Resources (including logos) can be found at: https://peerj.com/about/press/

About 23andMe

23andMe, Inc. is the leading personal genetics company dedicated to helping individuals understand their own genetic information through DNA analysis technologies and web-based interactive tools. The company's Personal Genome Service enables individuals to gain deeper insights into their ancestry and inherited traits. The vision for 23andMe is to personalize healthcare by making and supporting meaningful discoveries through genetic research. 23andMe, Inc., was founded in 2006, and the company is advised by a group of renowned experts in the fields of human genetics, bioinformatics and computer science. More information is available at www.23andme.com.

Media Contacts:
For 23andMe:
Catherine Afarian
Cat@23andMe.com
+1 408 656 8872

For PeerJ:
press@peerj.com
+1 415 413 4596 (PST)
https://peerj.com/about/press/

Abstract (from the article)

Background. Inherited BRCA gene mutations convey a high risk for breast and ovarian cancer, but current guidelines limit BRCA mutation testing to women with early-onset cancer and relatives of mutation-positive cases. Benefits and risks of providing this information directly to consumers are unknown.

Methods. To assess and quantify emotional and behavioral reactions of consumers to their 23andMe Personal Genome Service report of three BRCA mutations that are common in Ashkenazi Jews, we invited all 136 BRCA1 and BRCA2 mutation-positive individuals in the 23andMe customer database who had chosen to view their BRCA reports to participate in this IRB-approved study. We also invited 160 mutation-negative customers who were matched for age, sex and ancestry. Semi-structured phone interviews were completed for 32 mutation carriers, 16 women and 16 men, and 31 non-carriers. Questions addressed personal and family history of cancer, decision and timing of viewing the BRCA report, recollection of the result, emotional responses, perception of personal cancer risk, information sharing, and actions taken or planned.

Results. Eleven women and 14 men had received the unexpected result that they are carriers of a BRCA1 185delAG or 5382insC, or BRCA2 6174delT mutation. None of them reported extreme anxiety and four experienced moderate anxiety that was transitory. Remarkably, five women and six men described their response as neutral. Most carrier women sought medical advice and four underwent risk-reducing procedures after confirmatory mutation testing. Male carriers realized that their test results implied genetic risk for female relatives, and several of them felt considerably burdened by this fact. Sharing mutation information with family members led to screening of at least 30 relatives and identification of 13 additional carriers. Non-carriers did not report inappropriate actions, such as foregoing cancer screening. All but one of the 32 mutation-positive participants appreciated learning their BRCA mutation status.

Conclusions. Direct access to BRCA mutation tests, considered a model for high-risk actionable genetic tests of proven clinical utility, provided clear benefits to participants. The unexpected information demonstrated a cascade effect as relatives of newly identified carriers also sought testing and more mutation carriers were identified. Given the absence of evidence for serious emotional distress or inappropriate actions in this subset of mutation-positive customers who agreed to be interviewed for this study, broader screening of Ashkenazi Jewish women for these three BRCA mutations should be considered.

---

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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Public release date: 12-Feb-2013
[ | E-mail | Share ]

Contact: Catherine Afarian
cat@23andme.com
408-656-8872
PeerJ

Information prompts individuals to consult physician, inform relatives

A 23andMe study of consumers' reactions to genetic testing found that even when the tests revealed high-risk mutations in individuals, those individuals had few negative reactions to the news. Instead of inducing serious anxiety, the test results prompted people to take positive steps, including follow-up visits with a doctor and discussions with family members who could also be at risk.

The study, titled "Dealing with the unexpected: Consumer responses to direct-access BRCA mutation testing" published today as part of the launch of PeerJ, a new peer reviewed open access journal in which all articles are freely available to everyone.

"The paper addresses one of the most urgent questions in the field of genetics and genomics, namely the impact of receiving unexpected information about high genetic risk for a life-threatening disease," said the lead author of the paper and 23andMe's Senior Medical Director Dr. Uta Francke.

The study looked at how people reacted when they learned for the first time that they carried a mutation in either the BRCA1 or BRCA2 gene that put them at higher risk for breast and ovarian cancer. The study included interviews conducted with 32 individuals found to be mutation carriers and 31 individuals found to be non-carriers. Five to ten percent of breast cancers occur in women with a genetic predisposition for the disease, usually due to mutations in either the BRCA1 or BRCA2 gene. The mutations at the center of this study are responsible for a substantial number of hereditary breast and ovarian cancers among women with Ashkenazi Jewish ancestry.

Those who acquired the potentially life-saving information not only took appropriate actions on their own behalf, but also notified relatives who might share that risk. In what the study described as a "cascade effect," a number of relatives who were subsequently tested discovered they too had one of the mutations.

The findings are important given that a frequent concern regarding direct-to-consumer testing is based on the assumption that it causes either serious emotional distress or triggers deleterious actions on the part of consumers. Individuals who learned they had the mutation said they did not suffer serious emotional distress, and did not take inappropriate actions. All but one of the 32 mutation-positive participants appreciated learning their BRCA mutation status. None of the 31 mutation-negative individuals misinterpreted their result to think they are free from all risks and safe to abandon routine cancer screening.

The study provides important preliminary data that suggest some of the bioethical concerns may be overstated, at least for the self-selected pool of individuals who seek DTC personal genomics information. The authors suggested that broader screening of Ashkenazi Jewish women for these three BRCA mutations should be considered." ?

###

This article is being published as part of the launch of PeerJ (a new Open Access journal). There is a separate Press Release for the PeerJ launch, at: http://bit.ly/PeerJPR02052013

Competing Interests Statement (from the article): "UF, AKK, NE, BM, JYT and JLM are and CD was employed by 23andMe. UF, AKK, NE, BM, JYT and JLM hold stock options in the company. UF is an Academic Editor on PeerJ."

Funding Statement (from the article): "This work was supported by 23andMe, Inc. "Funding" consisted of the company paying the authors' salaries, the transcription service and Amazon gift certificates to participants who completed the phone interviews. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."

Ethical Approval (from the article): "The following information relates to ethical approvals: AAHRPP-accredited Ethical & Independent Review Services Institutional Review Board (E&I Review Document IRB-1-02.5)."

Handling Academic Editor (conducted the peer review and approved the publication): Jennifer Wagner, Center for the Integration of Genetic Healthcare Technologies, Division of Translational Medicine and Human Genetics, University of Pennsylvania

PeerJ encourages authors to publish the peer reviews, and author rebuttals, for their article. For the purposes of due diligence by the Press, we provide these materials as a PDF at the following link (this link will NOT work after the embargo lifts after that time the review comments will be accessible via the live article URL noted above): http://bit.ly/FranckePeerJReviews

Citation to the article: Francke et al. (2013), Dealing with the unexpected: consumer responses to direct-access BRCA mutation testing. PeerJ 1:e8; DOI 10.7717/peerj.8

About PeerJ

PeerJ is an Open Access publisher of scholarly scientific content, which offers researchers a lifetime membership, for a single low price, giving them the ability to openly publish all future articles for free. The launch of PeerJ occurred on February 12th, 2013 with the publication of 30 articles. PeerJ is based in San Francisco, CA and London, UK and can be accessed at https://peerj.com/.

All works published in PeerJ are Open Access and published using a Creative Commons license (CC-BY 3.0). Everything is immediately availableto read, download, redistribute, include in databases and otherwise usewithout cost to anyone, anywhere, subject only to the condition that the original authors and source are properly attributed.

PeerJ Media Resources (including logos) can be found at: https://peerj.com/about/press/

About 23andMe

23andMe, Inc. is the leading personal genetics company dedicated to helping individuals understand their own genetic information through DNA analysis technologies and web-based interactive tools. The company's Personal Genome Service enables individuals to gain deeper insights into their ancestry and inherited traits. The vision for 23andMe is to personalize healthcare by making and supporting meaningful discoveries through genetic research. 23andMe, Inc., was founded in 2006, and the company is advised by a group of renowned experts in the fields of human genetics, bioinformatics and computer science. More information is available at www.23andme.com.

Media Contacts:
For 23andMe:
Catherine Afarian
Cat@23andMe.com
+1 408 656 8872

For PeerJ:
press@peerj.com
+1 415 413 4596 (PST)
https://peerj.com/about/press/

Abstract (from the article)

Background. Inherited BRCA gene mutations convey a high risk for breast and ovarian cancer, but current guidelines limit BRCA mutation testing to women with early-onset cancer and relatives of mutation-positive cases. Benefits and risks of providing this information directly to consumers are unknown.

Methods. To assess and quantify emotional and behavioral reactions of consumers to their 23andMe Personal Genome Service report of three BRCA mutations that are common in Ashkenazi Jews, we invited all 136 BRCA1 and BRCA2 mutation-positive individuals in the 23andMe customer database who had chosen to view their BRCA reports to participate in this IRB-approved study. We also invited 160 mutation-negative customers who were matched for age, sex and ancestry. Semi-structured phone interviews were completed for 32 mutation carriers, 16 women and 16 men, and 31 non-carriers. Questions addressed personal and family history of cancer, decision and timing of viewing the BRCA report, recollection of the result, emotional responses, perception of personal cancer risk, information sharing, and actions taken or planned.

Results. Eleven women and 14 men had received the unexpected result that they are carriers of a BRCA1 185delAG or 5382insC, or BRCA2 6174delT mutation. None of them reported extreme anxiety and four experienced moderate anxiety that was transitory. Remarkably, five women and six men described their response as neutral. Most carrier women sought medical advice and four underwent risk-reducing procedures after confirmatory mutation testing. Male carriers realized that their test results implied genetic risk for female relatives, and several of them felt considerably burdened by this fact. Sharing mutation information with family members led to screening of at least 30 relatives and identification of 13 additional carriers. Non-carriers did not report inappropriate actions, such as foregoing cancer screening. All but one of the 32 mutation-positive participants appreciated learning their BRCA mutation status.

Conclusions. Direct access to BRCA mutation tests, considered a model for high-risk actionable genetic tests of proven clinical utility, provided clear benefits to participants. The unexpected information demonstrated a cascade effect as relatives of newly identified carriers also sought testing and more mutation carriers were identified. Given the absence of evidence for serious emotional distress or inappropriate actions in this subset of mutation-positive customers who agreed to be interviewed for this study, broader screening of Ashkenazi Jewish women for these three BRCA mutations should be considered.

---

[ | E-mail | Share ]

?

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Source: http://www.eurekalert.org/pub_releases/2013-02/p-chf020513.php

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