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Article Dans Une Revue (Article De Synthèse) Supportive Care in Cancer Année : 2022

Metallic taste prevalence in patients treated for cancer: a systematic literature review and meta-analysis

Résumé

Metallic taste (MT) is a taste abnormality often reported by cancer patients. The aim of this systematic review was to exhaustively report MT incidences in cancer patients and to evaluate the risk of bias in the pertinent studies in accordance with a meta-analysis approach. Methods: The research objective was to determine the prevalence of MT in patients treated for cancer. A literature search was conducted using PubMed, Web of Science, and Embase. The authors each screened articles and evaluated the eligibility and individual risk of bias for each article. Then, all of the results were compared. A meta-analysis was conducted on studies that specifically focused on MT evaluation. Results: Very few articles have been published on the incidence of MT among taste and smell abnormalities in cancerology (22 of 1674, 1.3%), and the quality of the reports on MT was often low. The most common bias was the methodology used for MT evaluation. Pooling the results of the 22 studies led to an estimated MT incidence in the cancer patient population of 29% (95% CI [0.21; 0.39]) with high and significant heterogeneity observed among the studies. A heterogeneity analysis was performed to identify the causal factors of this heterogeneity. The specific impact of MT on nutritional status (two) and quality of life (five) studies were reported, respectively, and without a specific evaluation of MT. There was no mention of oral health in any of the studies. Conclusion: Although in clinical practice cancer patients often report MT, its incidence has only been reported in 22 studies, most of which have a moderate to severe risk of bias. Considering the rather high prevalence of MT, more research should be conducted in this field to better identify its causes and mechanisms.
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Dates et versions

hal-03615562 , version 1 (21-03-2022)

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Guillaume Buiret, Thierry Thomas-Danguin, Gilles Feron. Metallic taste prevalence in patients treated for cancer: a systematic literature review and meta-analysis. Supportive Care in Cancer, 2022, 30, pp.5691-5702. ⟨10.1007/s00520-022-06904-y⟩. ⟨hal-03615562⟩
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