Affiliation:
1. From the Smell and Taste Clinic, Department of Otorhinolaryngology, Technical University, Dresden; Frauenklinik (Department of Obstetrics and Gynecology) and Department of Medical Statistics, Klinikum rechts der Isar, Technische Universitaet Muenchen; Departments of Clinical Radiology, Obstetrics and Gynecology Maistrasse, and Obstetrics and Gynecology Grosshadern, Ludwig-Maximilians-University; Department of Obstetrics and Gynecology, Rot-Kreuz-Krankenhaus; Gynecology Arabella; and Haemato-Oncology...
Abstract
PurposeSmell and taste changes during chemotherapy are significant complaints of cancer patients. Loss of olfactory/gustatory function can lead to malnutrition, weight loss, and possibly a prolonged morbidity of chemotherapy-induced adverse effects, decreased quality of life, poor compliance, and even decreased therapy response. This prospective study comprehensively investigated, to our knowledge for the first time, smell and taste changes in a cohort of 87 patients undergoing chemotherapy for breast cancer or gynecologic malignancies.Patients and MethodsOlfactory function was tested using Sniffin' Sticks (Burghart; Wedel, Germany) and gustatory function was tested using taste strips before, during, and immediately and 3 months after chemotherapy.ResultsOlfactory and gustatory function significantly decreased during chemotherapy and recovered almost completely 3 months after chemotherapy. Scores of odor thresholds were affected more than those of discrimination or identification. The olfactory function of older patients was affected more than that of younger patients. There was no difference in the olfactory function during chemotherapy with respect to the chemotherapeutic agent or initial diagnosis (breast or ovarian cancer). Regarding taste, scores of salty taste were affected more than scores of sweet, sour, or bitter taste. The gustatory function did not differ significantly during chemotherapy with respect to age or diagnosis but did differ with respect to the chemotherapeutic agent. Taxane-based chemotherapy caused the most severe disorders.ConclusionChemotherapy has a significant but transient effect on olfactory and gustatory function, possibly causing reduced appetite, a low energy intake, and weight loss. Additional spices and flavoring may compensate for this diminished chemosensory function, enhancing patient compliance and quality of life.
Publisher
American Society of Clinical Oncology (ASCO)
Cited by
179 articles.
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