Sodium-hyaluronate mouthwash on radiotherapy-induced xerostomia: a randomised clinical trial.

Radiotherapy-induced xerostomia (RIX) is one of the most common adverse effects of radiotherapy (RT) in head and neck cancer patients (HNC) and a major determinant of survivors' quality of life. The primary objective was to evaluate the reduction of patients' xerostomia symptoms after the utilisation of a sodium-hyaluronate mouthwash compared to a placebo solution. The secondary objectives were to evaluate the improvement of quality of life and to evaluate the patients' satisfaction. The protocol was approved by the ethical committee (Ref. 50,053/19) and registered at ClinicalTrials.gov (ID: NCT05103124). The study was a double-blind randomised clinical trial (RCT) with a crossover design and was conducted at the Fondazione Policlinico Universitario A. Gemelli, Rome. Thirty-two patients completed the study protocol. Lower values of the modified Xerostomia Questionnaire (XQ) were retrieved when comparing the baseline scores to the ones after the treatment, when compared with placebo (Mann-Whitney U test = 0.01); higher values of patients' satisfaction (Likert scale) and modified XQ were retrieved for the sodium-hyaluronate mouthwash (Mann-Whitney U test = 0.001). This RCT highlights the advantages of treating RIX with the sodium-hyaluronate mouthwash since it seems to be clinically effective in reducing its symptoms, without any reported adverse events. gov: NCT05103124 in 17/10/2021. © 2023. The Author(s).

Citation

Cosimo Rupe, Alessia Basco, Gioele Gioco, Romeo Patini, Alberta Lucchese, Francesco Micciché, Mariangela Massaccesi, Carlo Lajolo. Sodium-hyaluronate mouthwash on radiotherapy-induced xerostomia: a randomised clinical trial. Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer. 2023 Oct 18;31(12):644

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PMID: 37851095

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