Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review
IntroductionLung cancer (LC) is highly prevalent worldwide, with elevated mortality. In this population, taste and smell alterations (TSAs) are frequent but overlooked symptoms. The absence of effective therapeutic strategies and evidence-based guidelines constrain TSAs’ early recognition, preventio...
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Frontiers Media S.A.
2021
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oai:doaj.org-article:10f3865c4d054232926631b049fa8e492021-11-22T07:22:26ZManaging Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review2234-943X10.3389/fonc.2021.774081https://doaj.org/article/10f3865c4d054232926631b049fa8e492021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fonc.2021.774081/fullhttps://doaj.org/toc/2234-943XIntroductionLung cancer (LC) is highly prevalent worldwide, with elevated mortality. In this population, taste and smell alterations (TSAs) are frequent but overlooked symptoms. The absence of effective therapeutic strategies and evidence-based guidelines constrain TSAs’ early recognition, prevention and treatment (Tx), promoting cancer-related malnutrition and jeopardizing survival outcomes and quality of life.ObjectivesTo systematically review the literature on TSAs in LC patients, understand the physiopathology, identify potential preventive and Tx strategies and to further encourage research in this area.MethodsLiterature search on English language articles indexed to PubMed, CINALH, SCOPUS and Web of Science using MeSH terms “Lung neoplasms”,”Dysgeusia”, “Olfaction Disorders”, “Carcinoma, Small Cell”,”Carcinoma, Non- Small-Cell Lung “Adenocarcinoma of Lung”,”Carcinoma, Large Cell”, and non-MeSH terms “Parageusia”, “Altered Taste”, “Smell Disorder”, “Paraosmia”, “Dysosmia”,”Lung Cancer” and “Oat Cell Carcinoma”.ResultsThirty-four articles were reviewed. TSAs may follow the diagnosis of LC or develop during cancer Tx. The estimated prevalence of self-reported dysgeusia is 35-38% in treatment-naïve LC patients, and 35-69% in those undergoing Tx, based on studies involving LC patients only.One prospective pilot trial and 1 RCT demonstrated a clinically significant benefit in combining flavor enhancement, smell and taste training and individualized nutritional counselling; a systematic review, 1 RCT and 1 retrospective study favored using intravenous or oral zinc-based solutions (150mg 2-3 times a day) for the prevention and Tx of chemotherapy (CT) and radiotherapy (RT) -induced mucositis and subsequent dysgeusia.ConclusionsThis is the first review on dysgeusia and dysosmia in LC patients to our knowledge. We propose combining taste and smell training, personalized dietary counselling and flavor enhancement with oral zinc-based solutions (150mg, 2-3 times a day) during CT and/or RT in this population, in order to prevent and help ameliorate Tx-induced dysgeusia and mucositis. However due to study heterogeneity, the results should be interpreted with caution. Developing standardized TSA measurement tools and performing prospective randomized controlled trials to evaluate their effect are warranted.Ana Sofia SpencerDavid da Silva DiasDavid da Silva DiasDavid da Silva DiasManuel Luís CapelasManuel Luís CapelasFrancisco PimentelTeresa SantosTeresa SantosTeresa SantosTeresa SantosPedro Miguel NevesPedro Miguel NevesAntti MäkitieAntti MäkitieAntti MäkitiePaula RavascoPaula RavascoPaula RavascoPaula RavascoFrontiers Media S.A.articledysgeusiadysosmiataste and smell alterations (TSAs)lung cancerdietary counsellingzincNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENFrontiers in Oncology, Vol 11 (2021) |
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dysgeusia dysosmia taste and smell alterations (TSAs) lung cancer dietary counselling zinc Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 |
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dysgeusia dysosmia taste and smell alterations (TSAs) lung cancer dietary counselling zinc Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 Ana Sofia Spencer David da Silva Dias David da Silva Dias David da Silva Dias Manuel Luís Capelas Manuel Luís Capelas Francisco Pimentel Teresa Santos Teresa Santos Teresa Santos Teresa Santos Pedro Miguel Neves Pedro Miguel Neves Antti Mäkitie Antti Mäkitie Antti Mäkitie Paula Ravasco Paula Ravasco Paula Ravasco Paula Ravasco Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review |
| description |
IntroductionLung cancer (LC) is highly prevalent worldwide, with elevated mortality. In this population, taste and smell alterations (TSAs) are frequent but overlooked symptoms. The absence of effective therapeutic strategies and evidence-based guidelines constrain TSAs’ early recognition, prevention and treatment (Tx), promoting cancer-related malnutrition and jeopardizing survival outcomes and quality of life.ObjectivesTo systematically review the literature on TSAs in LC patients, understand the physiopathology, identify potential preventive and Tx strategies and to further encourage research in this area.MethodsLiterature search on English language articles indexed to PubMed, CINALH, SCOPUS and Web of Science using MeSH terms “Lung neoplasms”,”Dysgeusia”, “Olfaction Disorders”, “Carcinoma, Small Cell”,”Carcinoma, Non- Small-Cell Lung “Adenocarcinoma of Lung”,”Carcinoma, Large Cell”, and non-MeSH terms “Parageusia”, “Altered Taste”, “Smell Disorder”, “Paraosmia”, “Dysosmia”,”Lung Cancer” and “Oat Cell Carcinoma”.ResultsThirty-four articles were reviewed. TSAs may follow the diagnosis of LC or develop during cancer Tx. The estimated prevalence of self-reported dysgeusia is 35-38% in treatment-naïve LC patients, and 35-69% in those undergoing Tx, based on studies involving LC patients only.One prospective pilot trial and 1 RCT demonstrated a clinically significant benefit in combining flavor enhancement, smell and taste training and individualized nutritional counselling; a systematic review, 1 RCT and 1 retrospective study favored using intravenous or oral zinc-based solutions (150mg 2-3 times a day) for the prevention and Tx of chemotherapy (CT) and radiotherapy (RT) -induced mucositis and subsequent dysgeusia.ConclusionsThis is the first review on dysgeusia and dysosmia in LC patients to our knowledge. We propose combining taste and smell training, personalized dietary counselling and flavor enhancement with oral zinc-based solutions (150mg, 2-3 times a day) during CT and/or RT in this population, in order to prevent and help ameliorate Tx-induced dysgeusia and mucositis. However due to study heterogeneity, the results should be interpreted with caution. Developing standardized TSA measurement tools and performing prospective randomized controlled trials to evaluate their effect are warranted. |
| format |
article |
| author |
Ana Sofia Spencer David da Silva Dias David da Silva Dias David da Silva Dias Manuel Luís Capelas Manuel Luís Capelas Francisco Pimentel Teresa Santos Teresa Santos Teresa Santos Teresa Santos Pedro Miguel Neves Pedro Miguel Neves Antti Mäkitie Antti Mäkitie Antti Mäkitie Paula Ravasco Paula Ravasco Paula Ravasco Paula Ravasco |
| author_facet |
Ana Sofia Spencer David da Silva Dias David da Silva Dias David da Silva Dias Manuel Luís Capelas Manuel Luís Capelas Francisco Pimentel Teresa Santos Teresa Santos Teresa Santos Teresa Santos Pedro Miguel Neves Pedro Miguel Neves Antti Mäkitie Antti Mäkitie Antti Mäkitie Paula Ravasco Paula Ravasco Paula Ravasco Paula Ravasco |
| author_sort |
Ana Sofia Spencer |
| title |
Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review |
| title_short |
Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review |
| title_full |
Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review |
| title_fullStr |
Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review |
| title_full_unstemmed |
Managing Severe Dysgeusia and Dysosmia in Lung Cancer Patients: A Systematic Scoping Review |
| title_sort |
managing severe dysgeusia and dysosmia in lung cancer patients: a systematic scoping review |
| publisher |
Frontiers Media S.A. |
| publishDate |
2021 |
| url |
https://doaj.org/article/10f3865c4d054232926631b049fa8e49 |
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