Abstract
Background
This randomized study was designed to evaluate the clinical effect of an elemental diet during chemotherapy in patients with esophageal cancer.
Methods
The inclusion criteria were as follows: (1) esophageal squamous cell carcinoma, (2) stage IB-IV, (3) schedule to receive docetaxel, cisplatin, and 5-fluorouracil (DCF chemotherapy), (4) 20–80 years old, (5) performance status of 0–2, (6) oral intake ability, and (7) written informed consent. Patients were divided into two groups: the elemental supplementary group and the non-supplementary group. Patients received ELENTAL® (160 g/day) orally 9 weeks after the start of chemotherapy. Primary endpoint was the incidence of grade 2 or higher gastrointestinal toxicity according to the Common Terminology Criteria for Adverse Events, version 4.0. Secondary endpoints were the incidence of all adverse events and the evaluation of nutritional status.
Results
Thirty-six patients in the elemental supplementary group and 35 patients in the non-supplementary group were included in the analysis. The incidence of grade 2 or higher gastrointestinal toxicity and all grade 3 or 4 adverse events did not differ significantly between the groups. In the elemental supplementary group, the body weight (p = 0.057), muscle mass (p = 0.056), and blood levels of transferrin (p = 0.009), total amino acids (p = 0.019), and essential amino acids (p = 0.006) tended to be maintained after chemotherapy.
Conclusion
Nutritional support provided by an amino acid-rich elemental diet was ineffective for reducing the incidence of adverse events caused by DCF chemotherapy in patients with esophageal cancer.
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Conception and design: CK, SF, MS, YS, KT, AT, TS, TI, MS, ST, WK. Collection and assembly of data: CK, SF, MS, YS, KT, AT, AW, TW, KI, YF, HH, KH, KY, NH. Data analysis and interpretation: CK, SF, MS, YS, KT, AT, HH, KH, KY, NH. Manuscript writing: CK, SF, MS, YS. Final approval of manuscript: all authors. Financial support: none. Administrative support: CK, SF, MS, YS, KT, AT. Provision of study materials or patients: all authors.
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All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent or a substitute was obtained from all patients included in the study.
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There is no financial support for the present study. The authors declare that they have no competing interests.
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Katada, C., Fukazawa, S., Sugawara, M. et al. Randomized study of prevention of gastrointestinal toxicities by nutritional support using an amino acid-rich elemental diet during chemotherapy in patients with esophageal cancer (KDOG 1101). Esophagus 18, 296–305 (2021). https://doi.org/10.1007/s10388-020-00787-w
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DOI: https://doi.org/10.1007/s10388-020-00787-w