Navigation Links
Advantages and motivations uncertain behind use of brachytherapy for breast cancer radiotherapy
Date:12/16/2011

Accelerated partial breast irradiation using brachytherapy (APBIb) for the treatment of breast cancer has been rapidly increasing over the last several years in the U.S. as an alternative to standard whole-breast irradiation (WBI), according to a study published December 16th in the Journal of the National Cancer Institute.

Various types of APBI recurrence (external beam radiation, intraoperative radiotherapy, brachytherapy using multiple interstitial catheters, or intracavitary brachytherapy using a balloon catheter) deliver radiation to breast tissue at the highest risk of recurrence. Advantages of these techniques include decreased treatment time and less radiation to uninvolved portions of the breast and normal tissues. Disadvantages of APBI include the possibility that tumor cells in a different part of the breast will remain untreated, which could lead to increased local recurrence. Because of the potential limitations of APBI, in 2009 the American Society for Radiation Oncology (ASTRO) convened a task force of breast cancer experts to develop criteria for use of APBI off-protocol. They proposed three groups of APBI appropriateness: suitable, cautionary and unsuitable, based on patient characteristics and clinical factors.

Because of the growing popularity of APBIb in particular, Jona Hattangadi, M.D., of the Department of Radiation Oncology at the Brigham and Women's Hospital and Harvard Medical School in Boston, and colleagues performed a retrospective analysis of data from the Surveillance, Epidemiology, and End Results (SEER) database of women who had received either APBIb or WBI between 2000 and 2007. In line with ASTRO guidelines, the researchers classified the 138,815 women as "suitable", "cautionary", or "unsuitable" for APBIb.

The researchers found that 3,576 of the 138,815 patients had received APBIb: 32% of whom would have been considered suitable, 29.6% cautionary, and 36.2% unsuitable. The overall use of APBIb increased from 0.4% in 2000 to 6.6% in 2007. There was a wide range of utilization patterns across the United States with specific geographic regions having higher APBIb use despite other patient and clinical factors. There were also substantial racial and ethnic disparities with respect to APBIb use. White women were more likely to get this treatment than black women among "cautionary" or "unsuitable" patients; and or women living in cities were more likely to get it than those in rural areas even though it would potentially provide greater convenience for the rural women. The authors conclude "the wide disparity in use of APBIb suggests that unwarranted variationpractice variation not explained by illness, patient preference, or evidence-based medicinemay be present. Future studies of APBIb use will help elucidate whether patterns change as [the ASTRO guidelines] diffuse into practice and whether the regional and temporal changes in APBIb cost, reimbursement, and insurance coverage affect utilization."

In an accompanying editorial Simona F. Shaitelman, M.D., at the Department of Radiation Oncology at the University of Texas M.D. Anderson Cancer Center, notes that it is reassuring that the authors found the fastest increase in utilization among patients classified as "suitable," even if the majority of patients undergoing APBIb in their study were not classified as suitable. Shaitelman also comments on the authors' suggestion that financial interests that might be driving usage and notes that reimbursement was decreased for the procedure after the end of the period of the study. She writes, "Moving forward, it will be useful to analyze more recent trends in the use of APBI and to document whether such changes in financial remuneration are indeed associated with the delivery of APBI." Shaitelman also concludes that more studies of the effectiveness of APBI are needed. "Although population based studies allow us to reflect on changes in patterns of practice, we are still left eagerly awaiting the results of large randomized trials that compare patients outcomes with WBI vs APBI."


'/>"/>

Contact: Zachary Rathner
Zachary.Rathner@oup.com
301-841-1286
Journal of the National Cancer Institute
Source:Eurekalert

Related medicine news :

1. For back, neck pain, artificial disc replacement has cost, outcome advantages over fusion surgery
2. New Polio Vaccine Shows Major Advantages: Study
3. Comparison shows robot-assisted option offers advantages for kidney surgery
4. Policymakers should prepare for major uncertainties with Medicaid expansion
5. Diagnosis uncertainty increases anxiety in patients
6. The Worst Is Over, but the Road to Growth Is Uncertain - The 17th Annual CFO Rising Conference & Exhibition
7. Supercomputer reveals new details behind drug-processing protein model
8. Researchers search for culprit behind dry eyes, mouths and more
9. Unvaccinated Kids Behind Largest U.S. Measles Outbreak in Years: Study
10. Antioxidants Not Behind Red Wines Healthy Effect on Heart: Study
11. Scientists Discover Key Gene Mutation Behind Lou Gehrigs Disease
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/22/2017)... ... ... past six years, Lightning Labels has sent out a call for users of its custom ... creativity of their designs. Submissions this year were open from May 18 to July 1 ... winners of the sixth annual Photo Contest, along with the prizes they've received:, ...
(Date:8/22/2017)... ... August 22, 2017 , ... “Wilderness Voices”: a collection ... travel. “Wilderness Voices” is the creation of published author, Martha McKown, an ordained ... was inspired as a very young child when her older sisters studied High School ...
(Date:8/22/2017)... ... , ... TopConsumerReviews.com recently gave a best-in-class 5-star rating to Energy NADH, a ... of modern life continually makes more demands on time and energy, people are finding ... people in vicious high/low cycles and can also cause long term health issues. More ...
(Date:8/21/2017)... ... August 22, 2017 , ... ... I. Stevens as a 2017-2018 inductee into its VIP Woman of the ... NAPW is the nation’s leading networking organization exclusively for professional women, boasting more ...
(Date:8/21/2017)... ... 2017 , ... Marathon running has surged in popularity in ... running increases exposure to ultraviolet radiation, a carcinogen that promotes skin cancer. Studies ... half may be adequately protecting themselves with proper clothing and sunscreen. , ...
Breaking Medicine News(10 mins):
(Date:8/2/2017)... , Aug. 2, 2017 ... Who,s Who as a Pinnacle Lifetime Professional in ... Key Account Manager at Turing Pharmaceuticals, AG. Her ... troubleshooting and relationship building.                ... more than 25 years of experience as a ...
(Date:7/31/2017)... Pharmacy, Inc. (NYSE: DPLO), has been named one of the ... Crain,s Detroit Business . The annual Crain,s Fast ... growth. This year,s edition measures growth from 2013 to 2016. ... list, visit crainsdetroit.com/awards/fast_50/2017 .  "Being named ... Phil Hagerman , CEO and chairman of Diplomat. "We,ve made ...
(Date:7/27/2017)... 2017  Zimmer Biomet Holdings, Inc. (NYSE and SIX: ZBH) ... 30, 2017.  The Company reported second quarter net sales ... prior year period, and an increase of 2.1% on ... of contribution from the LDR Holding Corporation acquisition, second ... of 2016, or 0.3% on a constant currency basis. ...
Breaking Medicine Technology: