Endometrial Cancer Treatment may be Possible Using New Chemo Combination

by Rajshri on  March 19, 2010 at 8:39 PM Cancer News
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 Endometrial   Cancer Treatment may be Possible Using New Chemo Combination
A new chemotherapy combination comprising gemcitabine and cisplatin shows promise in endometrial cancer treatment, American researchers have reported.

The study, conducted by scientists from The University of Texas M. D. Anderson Cancer Center, showed that the combination produced a response rate in 50 percent of patients.

Although early-stage endometrial cancer typically responds well to standard therapies, low survival rates for advanced or recurrent disease result from limited and ineffective chemotherapy and hormonal treatment options. According to the American Cancer Society 15 percent, or three out of every 20 of women with stage IV endometrial cancer, will survive more than five years.

The Phase II study of 20 patients found that the combination of gemcitabine and cisplatin, two drugs currently used to treat other types of cancer, limited the disease's progression, increasing progression-free survival while maintaining tolerable toxicity levels. It is believed that when administered together, gemcitabine helps overcome cell resistance to cisplatin, throwing tumour cells a potent one-two punch.

Jubilee Brown, lead author and associate professor in M. D. Anderson's Department of Gynecologic Oncology, said: "These results are encouraging, offering a new direction for our research for women who suffer from advanced disease.

"The findings have the potential to offer another option to these patients, but establishing this treatment as a standard of care will require more research."

Researchers enrolled patients with stage IV or recurrent endometrial cancer between November 2004 and September 2009 in the single-institution study. Women were treated with gemcitabine and then cisplatin twice during each chemotherapy cycle, undergoing an average of five cycles. Patient response was evaluated with physical and pelvic examinations and imaging studies (computed tomography or magnetic resonance imaging) after every three cycles.

Of the 20 patients, two had a complete remission; eight had a partial response, or a decrease in the size of a tumour or in the extent of cancer in the body; six patients experienced a stabilization of disease, meaning their cancer neither decreased nor increased in extent or severity; and four experienced a progression in disease, meaning their tumour grew or cancer metastasised.

Findings showed a 50 percent overall response rate, or improvement in disease. Moreover, the clinical benefit of the two-drug combination was 80 percent, as 16 of the 20 women experienced either an improvement or stabilization of disease. All side effects resulting from the therapy were manageable. Brown noted that results from the study warrant investigation of the chemotherapy combination in a larger, definitive trial at multiple institutions.

The findings of the study were presented at the plenary session of the Society of Gynecologic Oncologists' 41st Annual Meeting on Women's Cancer.

Source: ANI

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