ArticleJournal of surgical oncology2024
Short-course radiation with consolidation chemotherapy does not increase operative morbidity compared to long-course chemoradiation: A retrospective study of the US rectal cancer consortium.
Article in Journal of surgical oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Article
- Total neoadjuvant treatment using short-course radiotherapy and four CAPOX cycles in locally advanced rectal cancer with high-risk criteria for recurrence: a Swedish nationwide cohort study (LARCT-US).EClinicalMedicine · 2024Article
- Recent advances in rectal cancer treatment - are we on the right track?Upsala journal of medical sciences · 2024Review
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Authors and funding
15 authors at 6 institutions in 1 country.
Funding
Abstract
BACKGROUND AND
objectivesNeoadjuvant short-course radiation and consolidation chemotherapy (SC TNT) remains less widely used for rectal cancer in the United States than long-course chemoradiation (LCRT). SC TNT may improve compliance and downstaging; however, a longer radiation-to-surgery interval may worsen pelvic fibrosis and morbidity with total mesorectal excision (TME). A single, US-center retrospective analysis has shown comparable risk of morbidity after neoadjuvant short-course radiation with consolidation chemotherapy (SC TNT) and long-course chemoradiation (LCRT). Validation by a multi-institutional study is needed.
methodsThe US Rectal Cancer Consortium database (2010-2018) was retrospectively reviewed for patients with nonmetastatic, rectal adenocarcinoma treated with neoadjuvant LCRT or SC TNT before TME. The primary endpoint was severe postoperative morbidity. Cohorts were compared by univariate analysis. Multivariable logistic regression modeled the odds of severe complication.
resultsOf 788 included patients, 151 (19%) received SC TNT and 637 (81%) LCRT. The SC TNT group had fewer distal tumors (33.8% vs. 50.2%, p < 0.0001) and more clinical node-positive disease (74.2% vs. 47.6%, p < 0.0001). The intraoperative complication rate was similar (SC TNT 5.3% vs. 4.4%, p = 0.65). There was no difference in overall postoperative morbidity (38.4% vs. 46.3%, p = 0.08). Severe morbidity was similar with low anterior resection (9.1% vs. 15.3%, p = 0.10) and abdominoperineal resection (24.4% vs. 29.7%, p = 0.49). SC TNT did not increase the odds of severe morbidity relative to LCRT on multivariable analysis (OR 0.64, 95% CI 0.37-1.10).
conclusionsSC TNT does not increase morbidity after TME for rectal cancer relative to LCRT. Concern for surgical complications should not discourage the use of SC TNT when aiming to increase the likelihood of complete clinical response.
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