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St. Louis doctor helping women preserve chance at motherhood
Ovaries

St. Louis doctor helping women preserve chance at motherhood

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The young woman from London wanted a risky stem cell transplant to treat her multiple sclerosis. She knew the chemotherapy involved with the transplant probably would leave her infertile.

So before traveling to Chicago almost two years ago for the treatment being studied by researchers at Northwestern University, she made a stop in St. Louis. Two days before her transplant, Dr. Sherman Silber at St. Luke’s Hospital removed her ovary, cut the egg-producing tissues into strips and froze them.

Last month — free of any signs of her multiple sclerosis but in menopause at the age of 33 — Jenny Remington-Hobbs returned to St. Louis to have her ovarian tissue transplant.

“Your ‘ovary’ will be viable and working right away,” Silber told Remington-Hobbs before her surgery. She should have her first period in three to four months. “Then you should be relieved of your menopause,” he said.

This is the third patient at St. Luke’s since 2009 to have her ovarian tissue transplanted, said Silber, who is pioneering this promising option for women facing fertility-threatening medical treatments. He is the only doctor in the U.S. providing the transplants and leads the world in the procedure.

Silber did the first-ever ovarian tissue transplant from one twin to another in 2004, which did not require freezing or immune-suppressing drugs to prevent the body from rejecting the tissue. He has since done 10 other twin-to-twin transplants, and many have gone on to become mothers.

Women facing cancer treatments also have been freezing and storing their own ovarian tissue with Silber, with the idea that the same should work for them. Now that two of those women have not only had their transplant but also had children, experts are taking notice.

“I think it’s a viable option for young people who have a cancer diagnosis where hormonal intervention to get embryos or eggs is not an option,” and no potential cancer exists in the ovary, said Dr. Teresa Woodruff, director of the Oncofertility Consortium, a national initiative she started five years ago to study fertility preservation for patients. “It does work for those particular cases, and I think that’s all good news.”

Worldwide, about 20 babies have been born to women who had their ovarian tissue frozen and transplanted or to those whose twin donated tissue, according to findings presented this year at the European Society for Human Reproduction and Embryology conference. Findings were published this year about a case in France where a pre-pubescent girl had her ovarian tissue frozen before her sickle-cell anemia treatment. When her ovarian tissue was later transplanted, she went through puberty naturally as a teenager.

LEARNING THE OPTIONS

About 45 women have their ovarian tissue stored with Silber. Most are cancer patients awaiting remission, while others were facing premature menopause or menopause before finding a mate.

The latest advances make it more important than ever for oncologists to discuss fertility preservation with their patients. In 2006, the American Society of Clinical Oncology recommended that oncologists discuss with all young patients the possibility of treatment-related infertility as well as preservation options, and provide referrals to reproductive specialists.

A study released this month, however, adds to previous reports that patients are not always getting counseled about their options.

Researchers at the University of North Carolina at Chapel Hill and the University of California San Francisco surveyed 2,300 young women diagnosed with gynecologic cancer between 1993 and 2007 and found that only 50 percent were told about their risks, and only 3 percent underwent fertility preservation. Cost and feeling overwhelmed were cited as main reasons for not proceeding with preservation. Also, women who already had children, lacked a college degree or did not have private insurance were far less likely to receive counseling.

Other surveys have found that fewer than half of oncologists followed the recommendations and rarely referred patients to specialists. Doctors were focused on the patient’s survival, didn’t want to burden the patient with the costs or didn’t want to delay cancer treatment.

“It is important that we increase awareness among oncologists concerning what reproductive specialists can do for their patients. And we need to expand our own awareness of the financial and other pressures cancer patients face and how we can help address them,” said Dr. Linda Giudice, president-elect of the American Society for Reproductive Medicine.

Silber is providing ovarian tissue transplants for free to women facing fertility-threatening medical procedures while advocating for insurance coverage. He’s also teaching other surgeons how to do the transplant. On hand to observe Remington-Hobbs’ surgery were doctors from Fertility Centers of Illinois and a leading fertility clinic in Mexico.

“The idea of freezing ovarian tissue and helping someone have a family in the future is amazing,” said Dr. Angeline Beltsos with the Illinois center, which operates 10 clinics in the Chicago area. “Having the ability to help navigate choices for patients and decide what fits them best is one of the reasons why I want to learn about frozen ovarian transplants.”

Informing patients about fertility preservation is not only increasingly important because reproductive medicine is seeing new and improved techniques, but also because advances in cancer detection and treatments are creating more young cancer survivors, Woodruff said.

“That intersection is why oncofertility was really born,” said Woodruff, who heads the fertility preservation division at Northwestern University Feinberg School of Medicine. She coined the term to describe the new discipline blending oncology and reproductive medicine.

Woodruff’s consortium of experts across the country has developed detailed websites with information for patients and doctors as well as a hotline and iPhone app. Insurance coverage varies by state; but insurance companies are more willing to work with doctors, and drug companies have donated medications, Woodruff said. Advocacy groups like Fertile Action and Fertile Hope, an initiative of the Livestrong Foundation, are also working to increase awareness and access.

“What we’ve done over the last five years is develop a much more robust catalog of options for young cancer patients,” she said. “Is there more we can do as a field? Absolutely. But we are making progress, and many more patients are being provided oncofertility services than in the past.”

Woodruff stressed that all the patient’s doctors should decide together the best option and timing for fertility preservation because so many factors must be considered, including age, the type of cancer and treatment, economic issues and likelihood of retaining some ovarian function.

PERFECT TIMING

Silber’s first patient to have her own frozen ovarian tissue transplant was Amy Tucker, 35, of Columbia, Ill., in January 2009. Just over a year later, she gave birth to a son, Grant.

Tucker had an ovary removed and frozen in 1998 before receiving a stem cell treatment for a relapse of her Hodgkin lymphoma. At an appointment with her cancer doctor, a nurse mentioned a conference a day earlier where Silber spoke about successful ovarian transplants in animals.

“If it wasn’t for her saying something, I wouldn’t have thought about it. ... I just wanted to survive the now before I could think of future stuff,” Tucker said. “It gives me chills to think that if it had been a day or two earlier, we wouldn’t have known, and there would be no Grant.”

Silber’s procedure involves removing one ovary through a small incision and then slicing the outer edges containing follicles and eggs into strips — the most complicated part, he said. The thin slices are far less susceptible to damage when vitrified (a flash-freezing technique) and thawed. He transplants the tissue by stitching some of the strips together and grafting the piece onto the remaining ovary.

Remington-Hobbs’s ovary was sliced into 20 strips. Silber used only four for her transplant. He told her the tissue should last seven years, at which time she’ll be 40 and could have another transplant. “We’ll have plenty more in the freezer,” he said.

Remington-Hobbs, a psychiatrist, said she has no plans to get pregnant soon with her husband, Max, 32. She wants relief of her menopause symptoms while pursuing her new career, providing a wellness approach combining emotional, nutritional and medical advice.

Her friends are envious of her, she joked. “We can go on and do what is inspiring in our lives rather than worrying about having kids,” she said.

While she said it’s important for cancer doctors to know about and share fertility preservation options with their patients, she said patients also need to be their own advocates.

“People need to take responsibility for their own health,” she said. “You can go to a doctor and say, ‘I found this online, so who is going to freeze this ovary for me?’ ”

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