VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
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Radiotherapy or surgery of the axilla after a positive sentinel node in breast cancer (EORTC 10981-22023 AMAROS) : a randomised, multicentre, open-label, phase 3 non-inferiority trialDonkler, Mila ...Background If treatment of the axilla is indicated in patients with breast cancer who have a positive sentinel node, axillary lymph node dissection is the present standard. Although axillary lymph ... node dissection provides excellent regional control, it is associated with harmful side-eff ects. We aimed to assess whether axillary radiotherapy provides comparable regional control with fewer side-eff ects. Methods Patients with T1%2 primary breast cancer and no palpable lymphadenopathy were enrolled in the randomised, multicentre, open-label, phase 3 non-inferiority EORTC 10981-22023 AMAROS trial. Patients were randomly assigned (1:1) by a computer-generated allocation schedule to receive either axillary lymph node dissection or axillary radiotherapy in case of a positive sentinel node, stratifi ed by institution. The primary endpoint was non-inferiority of 5-year axillary recurrence, considered to be not more than 4% for the axillary radiotherapy group compared with an expected 2% in the axillary lymph node dissection group. Analyses were by intention to treat and per protocol. The AMAROS trial is registered with ClinicalTrials.gov, number NCT00014612. Findings Between Feb 19, 2001, and April 29, 2010, 4823 patients were enrolled at 34 centres from nine European countries, of whom 4806 were eligible for randomisation. 2402 patients were randomly assigned to receive axillary lymph node dissection and 2404 to receive axillary radiotherapy. Of the 1425 patients with a positive sentinel node, 744 had been randomly assigned to axillary lymph node dissection and 681 to axillary radiotherapy; these patients constituted the intention-to-treat population. Median follow-up was 6%1 years (IQR 4%1%8%0) for the patients with positive sentinel lymph nodes. In the axillary lymph node dissection group, 220 (33%) of 672 patients who underwent axillary lymph node dissection had additional positive nodes. Axillary recurrence occurred in four of 744 patients in the axillary lymph node dissection group and seven of 681 in the axillary radiotherapy group. 5-year axillary recurrence was 0%43% (95% CI 0%00%0%92) after axillary lymph node dissection versus 1%19% (0%31%2%08) after axillary radiotherapy. The planned non-inferiority test was underpowered because of the low number of events. The one-sided 95% CI for the underpowered non-inferiority test on the hazard ratio was 0%00%5%27, with a non-inferiority margin of 2. Lymphoedema in the ipsilateral arm was noted signifi cantly more often after axillary lymph node dissection than after axillary radiotherapy at 1 year, 3 years, and 5 years. Interpretation Axillary lymph node dissection and axillary radiotherapy after a positive sentinel node provide excellent and comparable axillary control for patients with T1%2 primary breast cancer and no palpable lymphadenopathy. Axillary radiotherapy results in signifi cantly less morbidity.Vir: The lancet oncology. - ISSN 1470-2045 (Vol. 15, iss. 12, Nov. 2014, str. 1303-1310)Vrsta gradiva - članek, sestavni delLeto - 2014Jezik - angleškiCOBISS.SI-ID - 1929595
Avtor
Donkler, Mila |
Snoj, Marko, 1958-
Teme
rak dojke |
radioterapija |
kirurgija |
klinične študije |
breast cancer |
radiotherapy |
surgery |
clinical trials
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Donkler, Mila | ![]() |
Snoj, Marko, 1958- | 12250 |
Vir: Osebne bibliografije
in: SICRIS
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