ArticleMedical oncology (Northwood, London, England)2010
Intestinal permeability, vitamin A absorption, alpha-tocopherol, and neopterin in patients with rectal carcinoma treated with chemoradiation.
Article in Medical oncology (Northwood, London, England), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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1 citing paper in PubMed, 11 citations in OpenAlex.
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8 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Although gastrointestinal toxicity is one of the most common side effects of anticancer therapy, the diagnosis and assessment of this toxicity still depend mostly on anamnestic data. Measurement of intestinal permeability is one of potential methods of non-invasive laboratory evaluation of gastrointestinal toxicity. The aim of the present study was to investigate intestinal permeability, vitamin A absorption, serum alpha-tocopherol, and urinary neopterin in patients with rectal carcinoma treated with chemoradiation. We have studied intestinal permeability, vitamin A absorption, serum alpha-tocopherol, and urinary neopterin in 17 patients with rectal carcinoma treated with chemoradiation. Urinary lactulose, mannitol, and xylose were measured by capillary gas chromatography, and serum alpha-tocopherol, retinol, retinyl esters, and urinary neopterin were determined by high-performance liquid chromatography. Lactulose/mannitol ratio was increased 5 and 6 weeks after the start of the treatment. Serum alpha-tocopherol was decreased significantly throughout the course of treatment, but no significant changes were observed in postprandial serum concentrations of retinyl esters or in the concentrations of urinary neopterin. A correlation was observed between baseline parameters of intestinal permeability and urinary neopterin. The measurement of intestinal permeability using the lactulose/mannitol test may represent a sensitive tool in the detection of changes associated with chemoradiation in patients with rectal carcinoma. The therapy is also associated with a decrease of alpha-tocopherol.
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