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Hopeful Progress in Ovarian Cancer Prevention Research

February 24, 2013

Hopeful Progress in Ovarian Cancer Prevention Research

In 2008 FORCE conducted a survey to learn about research priorities for the HBOC community. We learned that women want better methods for ovarian cancer detection and prevention for ourselves, our children, and future generations. For this reason, we have worked closely with researchers exploring new options and we have carefully followed and shared with our community the progress in ovarian cancer detection and prevention.

Since BRCA testing became available, experts have recommended bilateral salpingo-oophorectomy or BSO (removal of the ovaries and fallopian tubes) for women with mutations between the ages of 35 - 40 or after childbearing is completed. Until large studies on women with mutations were completed, there was little data and only common sense to back up this recommendation. Later, research proved that for women with BRCA mutations removing the ovaries and tubes lowers the risk of developing and dying from breast cancer and ovarian cancer. I recall when the studies were published and the media was flooded with articles about how this “simple surgery” can lower risk. At the time, I was about 3 years out from my BSO at age 35 and dealing with significant surgical menopause side effects. I recall thinking, “Simple for whom?”

Don’t get me wrong; BSO is often an outpatient procedure with minimal surgical risk and scarring. The research on risk and survival is incredibly important and significant, and finally proved what experts long suspected. But the use of the term “simple” made it seem like these decisions were easy. On a personal and professional basis, and almost daily, I am reminded how difficult the decisions are. Many women recover quickly after surgery and their quality-of-life remains the same. But others suffer from side effects and long-term health and quality-of-life consequences from early menopause. The decision for surgery can be difficult and consequential for many women.

In the last few years, studies on high-risk women suggest that many ovarian cancers in BRCA gene mutation carriers may actually start in the fallopian tubes. In 2009 and 2010 at our annual conference experts presented the possibility that early detection or prevention focused around the fallopian tubes might allow women to temporarily delay BSO until closer to natural menopause. But medical experts need evidence that it is safe and effective before they can recommend salpingectomy (removal of the fallopian tubes) as a risk-reducing option. This requires a research study comparing outcomes of women who have salpingectomy, women who have BSO, and those who choose surveillance. The design of such a study faces several challenges. A big concern has been whether or not high-risk women would be willing to participate in a prevention study examining fallopian tube removal followed by removal of the ovaries later.

To answer this question, in 2011 FORCE conducted a survey on attitudes of high-risk women towards participating in ovarian cancer risk-reduction research. Preliminary results were presented at our 2011 annual conference. Almost one-third of the 333 respondents would consider participating in a prophylactic salpingectomy study. We shared this finding with the research community as evidence that a salpingectomy study would be feasible and that women would enroll in such a study.

At our 2012 conference, gynecologic oncology experts Dr. Illana Cass and Dr. Douglas Levine presented the pros and cons of further research on salpingectomy to lower the risk in high-risk women.  The presentation used a debate format and presented two sides of the salpingectomy issue:

Arguments against developing a salpingectomy study included:

  • Although many cancers in high-risk women may start in the fallopian tube, we have no proof that all ovarian cancers begin in the tubes.
  • The benefits of salpingectomy are unknown and likely less substantial than BSO.  The surgery is unlikely to impact breast cancer risk. Meanwhile, there are well-documented benefits of BSO for mutation carriers.
  • Many experts are concerned that women who undergo surgery to remove only the fallopian tubes will not return for additional surgery to remove their ovaries after they undergo natural menopause.
  • Designing such a study would require a large, costly, cooperative research effort that would take over a decade, thousands of high-risk women participating, and massive recruitment and follow-up effort.

Despite these valid concerns, there were strong arguments presented in favor of studying salpingectomy as a risk-reducing option for high-risk women, including:

  • Salpingectomy might serve as an “interval surgery” to manage and lower risk in high-risk women who are not ready for BSO and would otherwise opt for surveillance only.
  • Women who undergo salpingectomy can maintain their ovaries longer and avoid long-term medical consequences of surgical menopause.
  • This type of large-scale research would provide valuable information about development, prevention, and treatment of ovarian cancer for women with BRCA mutations and those without.

Both presenters at our conference agreed on one important conclusion: the time is right for additional research on salpingectomy.

Fortunately, other medical experts agree. During the Gynecologic Oncology Group meeting this January, the Cancer Prevention and Control Committee approved further development of a concept to design a feasibility study of risk-reducing salpingectomy. Many proponents, including the National Cancer Institute’s Division of Cancer Prevention and FORCE enthusiastically endorsed designing such a study. It’s important to note that despite this progress, it still may be more than a year before a salpingectomy study would open at GOG sites around the country.

We know that these studies are needed and that many high-risk women would consider participating in them. As with the development of new PARP Inhibitor research studies, I feel optimistic about salpingectomy studies moving forward and proud of FORCE’s hard work and contributions in promoting these studies. The voice of the hereditary breast and ovarian cancer community has been heard. Our community is highly motivated to participate in hereditary cancer research and once the study is developed and open, I feel confident that women will enroll. Please stay tuned for further updates.

Posted in: Research
Tags: BRCA , Cancer Prevention , Hereditary Cancer Research , Ovarian Cancer , Genetic Testing , BRCA1 , BRCA2 , Prophylactic Surgery , Ovarian Cancer Early Detection , Screening And Prevention


February 24, 2013

Mogatos says:
Reblogged this on <a href="" rel="nofollow">Saying NOPE to Breast Cancer</a> and commented: FORCE: Update on ovarian cancer prevention research


February 24, 2013

facingourrisk says:
Thanks so much! XO


February 25, 2013

FORCE and Ovarian Cancer Research | Blogging BRCA says:
[...] [...]


February 27, 2013

crunchster says:
FORCE's advocacy in this issue is doing so much to change the prevailing attitudes in the medical community. The quality of life issues are a definite consideration for all of us who chose preventative surgery. It's unconscionable that they have been summarily dismissed for so long and the impacts so trivialized. Providing women with the tools to make reasonable risk assessments is essential and if there is a viable alternative to the all or nothing approach then we need to know. Thanks for trying to make this a reality.


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