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The Trajectory of Oral Mucositis in Head and Neck Cancer Patients Undergoing Radiotherapy and its Influencing Factors. EAR, NOSE & THROAT JOURNAL 2024:1455613241228211. [PMID: 38334289 DOI: 10.1177/01455613241228211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND Oral mucositis (OM) is a common and severe side effect of radiotherapy in head and neck cancer (HNC). The study aimed to investigate the longitudinal changes in OM and its influencing factors in patients with HNC during radiotherapy. METHODS This was a retrospective longitudinal observational study. From July 2022 to March 2023, patients with HNC undergoing radiation therapy were enrolled. OM, oral hygiene, oral infections, oral pain, feeding route, and laboratory indicators were measured at 7 times. The influencing factors of OM were analyzed using generalized estimation equations (GEEs). RESULTS A total of 160 patients were included in this study. The prevalence of severe OM at T0, T1, T2, T3, T4, T5, and T6 was 0, 0, 2.5%, 9.4%, 26.9%, 24.4%, and 26.9%, respectively. The prevalence of grade 1-2 OM at T0, T1, T2, T3, T4, T5, and T6 was 0, 16.3%, 53.1%, 65.1%, 61.9%, 70.7%, and 71.3%, respectively. Duration of diagnosis, clinical stage, N stage, M stage, surgery, diabetes, radiotherapy dose, oral hygiene, oral infection, oral pain, feeding route, and lymphocyte impacted OM significantly in the GEEs multivariate model. CONCLUSIONS OM occurs in almost all patients with HNC who undergo radiotherapy. Changes in the severity of OM are a dynamic process, with the severity increasing with the cumulative radiotherapy dose. Specialist oral evaluation and oral care are needed to alleviate the severity of OM in HNC patients.
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Nutritional Status and Incidence of Radiation-Induced Oral Mucositis in Nasopharyngeal Carcinoma Patients Treated with Chemoradiotherapy. Nutr Cancer 2024; 76:196-206. [PMID: 38113055 DOI: 10.1080/01635581.2023.2294523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 12/06/2023] [Indexed: 12/21/2023]
Abstract
Malnutrition is prevalent among patients with nasopharyngeal carcinoma undergoing radiotherapy. This study examined the nutritional status and incidence of radiation-induced oral mucositis (RIOM) in patients with nasopharyngeal carcinoma. A retrospective analysis was conducted to compare the incidence of RIOM, Nutritional Risk Screening (NRS) 2002 score, weight, body mass index (BMI), and hemoglobin levels in 338 patients treated with induction chemotherapy (IC) plus concurrent chemoradiotherapy (CCRT) or treated with CCRT alone. The IC + CCRT group exhibited an increase in weight and BMI but a decrease in hemoglobin levels after IC compared with baseline (p < 0.001). Both groups showed differences in weight at Week 0 and BMI at Weeks 0-2 of radiotherapy (p < 0.05). The IC + CCRT group experienced an increase in NRS 2002 scores from Week 2 to Week 6 (p < 0.05). The hemoglobin levels of the IC + CCRT group were consistently lower throughout radiotherapy (p < 0.001). However, no significant difference was observed in the incidence of RIOM between the two groups (p = 0.246). Patients treated with IC + CCRT exhibited a higher nutritional risk during radiotherapy. Although the incidence of Grade III RIOM was high, no significant difference was found between the groups.
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Nutritional interventions for the prevention and treatment of cancer therapy-induced oral mucositis: an umbrella review of systematic reviews and meta-analysis. Nutr Rev 2023; 81:1200-1212. [PMID: 36763701 DOI: 10.1093/nutrit/nuac105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
CONTEXT To date, the efficacy of nutritional interventions on oral mucositis (OM) in patients with cancer, and the quality of this evidence have not been explored. OBJECTIVE The goal of this umbrella review was to provide a comprehensive evaluation of nutritional interventions for patients with cancer with OM, as well as to assess the quality of this evidence. DATA SOURCES Meta-analyses were searched for using PubMed, Scopus, and ISI Web of Science databases until December 2021, with no time restrictions. DATA EXTRACTION Meta-analyses of randomized control trials that evaluated the effects of nutritional interventions on the incidence of OM in patients with cancer had inclusion criteria for this umbrella review. Data extraction, quality assessment of meta-analyses, and primary studies were done independently by 2 authors. The Grading of Recommendations Assessment, Development, and Evaluation technique was used to grade the certainty of evidence. DATA ANALYSIS A total of 26 meta-analyses were included in this umbrella review. The results showed that honey, glutamine, and propolis can reduce the incidence of severe OM, based on moderate evidence quality. In addition, zinc supplementation significantly reduced the incidence of OM, regardless of symptom severity; however, low certainty of the evidence was observed. The effects of vitamin E, curcumin, and probiotics on OM were not statistically significant. CONCLUSION This umbrella review shows that honey, glutamine, and propolis can significantly reduce the incidence of severe OM. These findings need to be confirmed with well-designed, longitudinal randomized controlled trials. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42022301010.
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Efficacy of bioadhesives in the management of oral mucositis in patients undergoing radio-chemotherapy for treatment of head and neck cancer-a systematic review and meta-analysis. Support Care Cancer 2023; 31:470. [PMID: 37458879 DOI: 10.1007/s00520-023-07920-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 06/29/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Management of head and neck cancers requires a multidisciplinary approach where surgery followed by radio and chemotherapy is the mainstay of treatment. The above-mentioned treatment can cause mucositis, a severely debilitating side effect. This can have a significant impact on quality of life. A recent advancing mode of drug delivery is the bioadhesive system. This interacts with mucosa by adhering to it and thereby improving the efficacy of the therapeutic agent delivered. AIM AND OBJECTIVE The purpose of this systematic review is to evaluate the effectiveness of bioadhesives in reducing oral mucositis and relieving pain associated with mucositis in head and neck cancer patients receiving radio-chemotherapy. MATERIALS AND METHOD Studies assessing the effectiveness of bioadhesives for the treatment of radiation-induced oral mucositis were retrieved from specialized databases (PubMed/MEDLINE, Scopus, ProQuest, Google Scholar, LILACS, OpenGrey) as well as institutional repositories. Data on incidence, pain reduction, resolution, and improvement of oral mucositis using bioadhesive were compiled. A Cochrane tool was used for randomized controlled trials and a JBI tool for non-randomized controlled trials and observational studies to assess the quality of included studies. Based on the eligible study data, a meta-analysis was conducted with STATA version 16, 2019 software, and 95% confidence intervals and p values greater than 0.05. RESULTS A total of 15 studies were included which assessed the effectiveness of bioadhesives in managing mucositis and its associated pain. Studies included in the review described either reduction, resolution, or incidence of oral mucositis respectively. A total of three meta-analyses were conducted to assess the incidence of oral mucositis and the pain associated with it, as well as the reduction in incidence. Bioadhesives showed statistically significant differences in the incidence of severe mucositis (p = 0.04). A meta-analysis comparing bioadhesives efficacy in reducing mucositis and pain associated with it found no statistically significant differences (p = 0.36). CONCLUSION Bioadhesives are emerging as a novel drug delivery method for treating radio-chemotherapy-induced oral mucositis because of their rapid absorption and easy application. Regardless of its benefits, clinical trials comparing it with conventional treatment methods are necessary to assess its efficacy in treating oral mucositis.
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Efficacy of recombinant human interleukin-11 in preventing and treating oral mucositis after chemotherapy for patients with acute leukemia. BMC Oral Health 2023; 23:476. [PMID: 37438702 DOI: 10.1186/s12903-023-03118-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 06/07/2023] [Indexed: 07/14/2023] Open
Abstract
OBJECTIVE This study aimed to investigate the clinical effects of recombinant human interleukin-11 (rhIL-11) gargle on preventing and treating oral mucositis (OM) after chemotherapy for acute leukemia. METHODS This single-site, prospective, observer-blinded, nonrandomized controlled trial was conducted on 74 patients with acute leukemia, who were divided into the experimental and control groups. The patients in the experimental group were treated with IL-11 gargle, and those in the control group were treated with sodium bicarbonate gargle. We examined the time and severity of oral mucositis, severity and duration of associated pain, healing time of mucositis, effects of OM on eating, and levels of T-cell subset indicators before and after treatment to evaluate the effects of IL-11 treatment. RESULTS The proportion of patients with severe OM was significantly lower in the experimental group than in the control group. Mucositis occurred later in the experimental group compared with the control group. The degree and duration of pain, ulcer healing time, and effects on eating were lower in the experimental group compared with the control group. Following treatment, the levels of all T-cell subset indicators improved in each of the two groups. However, the rate of improvement was significantly higher in the experimental group than in the control group. These differences were statistically significant (P < 0.05). CONCLUSIONS IL-11 gargle reduced the severity of OM after chemotherapy for acute leukemia. Treatment with IL-11 relieved pain, promoted healing, and improved the curative effect of the condition, making it worthy of clinical promotion.
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Influence of the microbiome on radiotherapy-induced oral mucositis and its management: A comprehensive review. Oral Oncol 2023; 144:106488. [PMID: 37399707 DOI: 10.1016/j.oraloncology.2023.106488] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/29/2023] [Indexed: 07/05/2023]
Abstract
Radiation-induced mucositis is the most common, debilitating and painful acute toxicity associated with active treatment in head and neck cancer area, severely affecting more than 65% of patients. Oral microbiota significantly changes during cancer therapy and appears to be involved on its pathophysiology. This review aims to present a comprehensive update of new etiopathogenic factors and treatments that may decrease the incidence of mucositis, mainly modifications of dietary interventions to modify microbiome. Despite advances in recent years, its management is mainly symptomatic opioid-based with variable results on different substances analyzed for its prevention. Immunonutrition seems to play a significant role, particularly the supplementation of compounds such as fatty acids, polyphenols or selected probiotics have shown to promote commensal bacteria diversity and reduced incidence of ulcerative mucositis. Modification of the microbiome is a promising preventive treatment for mucositis although its evidence is still scarce. Large studies are needed to demonstrate the efficacy of interventions on microbiome and its clinical impact on radiation-induced mucositis.
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Research advances on the restorative effect of Periplaneta americana extracts on mucosa. Heliyon 2023; 9:e16623. [PMID: 37484248 PMCID: PMC10360583 DOI: 10.1016/j.heliyon.2023.e16623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 05/18/2023] [Accepted: 05/23/2023] [Indexed: 07/25/2023] Open
Abstract
In addition to the pharmacological effects of Periplaneta americana extracts (PAEs), including their antitumor, hepatic protection, antioxidant, antibacterial, anti-inflammatory, and tissue regeneration characteristics, their mucosal restorative effects have also attracted significant attention. The mucosa serves as a "gateway" into the body and its functions include the surveillance and clearance of bacteria and pathogens; it also has the immunological function of acquiring beneficial antigens from the external environment and removing non-beneficial ones, a mechanism controlled by the mucosal immune system. In the present study, the relevant modern research literature on the mucosal restorative effect of PAEs was reviewed via a summarization of its restorative effects on respiratory, digestive, dermal, and genitourinary mucosa. The aim of doing so was to present a comprehensive understanding of the mucosal restorative effect of PAEs and their related mechanisms and to provide a reference for their further development and clinical application.
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Possible adverse effects of low-level laser on oral and oropharyngeal cancer cells: A scope review. J Oral Pathol Med 2023; 52:365-371. [PMID: 36691842 DOI: 10.1111/jop.13408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/15/2022] [Accepted: 01/20/2023] [Indexed: 01/25/2023]
Abstract
BACKGROUND The effects of laser therapy on normal cells are well known and accepted, but the impact of this therapy on malignant cells are not yet fully understood. This review aims to map and outline what the scientific literature addresses on the effects of laser therapy on malignant cells. METHODS This review article followed the guidelines of the PRISMA-ScR protocol, being all the search, analysis, and selection of articles based on it. RESULTS After all application of the predetermined criteria, five studies were included, dated between the years 2013 and 2021. With the complete reading of the selected studies, 100% of the articles were classified as category III of the Agency for Healthcare as Research and Quality classification. Similar themes among the papers included were investigated and compared. In these five studies, the visible red and near infrared wavelengths were used, and energy densities varied between 1 and 5 J/cm2 . It was observed that low-level laser could alter the expression of cell proliferation and migration proteins, such as cyclin D1, E-cadherin, and β-catenin. In addition, changes related to increased cell viability and metabolism were also identified. CONCLUSION The low-level laser seems to positively regulate the proliferative, migratory, and viability capacity of neoplastic cells, depending on the protocol used. All these studies included in the review are equivalent to in vitro studies; the cells are not in such a complex environment as is an organized tissue, making it necessary to carry out more complex tests, such as in vivo research.
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Preparation and pharmaceutical properties of Hangeshashinto oral ointment and its safety and efficacy in Syrian hamsters with 5-fluorouracil-induced oral mucositis. J Nat Med 2023; 77:53-63. [PMID: 36002763 PMCID: PMC11004029 DOI: 10.1007/s11418-022-01645-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/05/2022] [Indexed: 01/06/2023]
Abstract
Chemotherapy-induced oral mucositis (COM) is a common adverse effect of cancer chemotherapy. Several clinical studies reported that repetitive use of mouthwashes containing 2.5-6.25% Hangeshashinto (HST), a Kampo formula, relieves COM, but the effect is insufficient. To solve this problem, we produced an oral ointment of 12% HST extract (considered quantitatively equivalent to 20% commercially available HST), which will increase the local concentrations of its active ingredients and prolong the contact time with COM. In this study, we evaluated the pharmaceutical properties (spreadability and stability) of HST oral ointment. In addition, its safety (oral mucosal irritation) and therapeutic effects on 5-fluorouracil-induced oral mucositis were evaluated in male Syrian hamsters. The HST ointment showed good spreadability and stability for more than 8 weeks at 4 °C. In the oral mucosal irritation test, topical application of HST ointment (0.2 g) three times per day for 14 days had no adverse effect on the oral mucosa of hamsters. In hamsters treated with 5-fluorouracil (60 mg/kg) twice, COM was induced by a submucosal injection of 5% acetic acid into the cheek pouch. When HST ointment (50 µg) was topically applied to the mucositis area once per day for 12 days, the area and macroscopic score of mucositis were significantly decreased, and the depth of the wound tended to be reduced compared with the lactose ointment-treated control animals. These findings suggest that HST oral ointment shows good properties in spreadability, stability, and safety, and elicits a therapeutic effect in an animal model of COM.
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Role of SAMITAL in the Prevention and Treatment of Chemo-Radiotherapy-Induced Oral Mucositis in Head and Neck Carcinoma: A Phase 2, Randomized, Double-Blind, Placebo-Controlled Clinical Trial (ROSAM). Cancers (Basel) 2022; 14:cancers14246192. [PMID: 36551677 PMCID: PMC9776559 DOI: 10.3390/cancers14246192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND In patients affected by head and neck squamous cell carcinoma, the onset of severe oral mucositis is a decisive factor in completing concurrent chemo-radiotherapy, and few interventions have demonstrated a modest benefit. The primary aim of this clinical study was to evaluate the role of SAMITAL in reducing the incidence of severe mucositis induced by concurrent chemo-radiotherapy; the secondary aims were the tolerability and patient-reported quality of life measures. METHODS Patients were randomized to receive SAMITAL granules for oral suspension of 20 mL, four-time daily or matching placebo in a 1:1 fashion using a stratified-block randomization scheme by disease site and type of chemotherapy. The SAMITAL/placebo was dispensed at the baseline visit and at each weekly visit following radiotherapy initiation. Patients were subjected to weekly endoscopic evaluations to assess the presence of mucositis. In addition, patient-reported outcomes were measured. RESULTS Among the 116 patients treated with a median total dose of 66 Gy, 59 were randomized to SAMITAL and 57 to placebo. Overall, the incidence of severe mucositis was 51.7%, with 45.8% in the SAMITAL and 57.9% in the placebo arm (OR = 0.6; 95% CI: 0.3-1.3). After chemo-radiotherapy, patients randomized to SAMITAL reported significantly lower xerostomia, coughing and swallowing scores and a better quality of life. CONCLUSION SAMITAL did not significantly reduce the incidence of severe mucositis in all studied populations. However, the lower rate of mucositis, together with a significantly better quality of life, suggested that a clinical benefit existed. This trial is registered with the EU Clinical Trials Register database, number 2012-002046-20, and with ClinicalTrials.gov, NCT01941992.
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Eustachian Tube Functions in Concurrent Chemoradiotherapy for Head and Neck Cancer Patients. Indian J Otolaryngol Head Neck Surg 2022; 74:6307-6312. [PMID: 36742578 PMCID: PMC9895678 DOI: 10.1007/s12070-021-03058-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/27/2021] [Indexed: 02/07/2023] Open
Abstract
Ototoxicity is a dose-limiting adverse event for concurrent chemoradiotherapy (CCRT) with high-dose cisplatin for locally advanced head and neck squamous cell carcinoma (HNSCC). Both irradiation to the Eustachian tube (ET) and weight loss are risk factors for patulous ET. The aim of this prospective, observational study was to elucidate the incidences of patulous ET conditions before and after CCRT in HNSCC patients by means of ET function tests. This prospective, observational study was conducted in 27 HNSCC patients who received CCRT with high-dose cisplatin, and ET function tests (sonotubometry and tubo-tympano-aerodynamic graphy) were performed before and 3 months after CCRT. Factors potentially affecting the incidence of patulous ET conditions after CCRT were evaluated. Of the 54 ears from 27 patients investigated, patulous ET conditions were observed in 12 ears (22.2%) from 9 patients (33.3%) before CCRT and 15 ears (27.8%) from 11 patients (40.7%) at 3 months after CCRT. Only patulous ET conditions before CCRT in each ear were significantly associated with patulous ET conditions after CCRT (p = 0.010). This is the first report to describe the incidences of patulous ET conditions before and after CCRT in HNSCC patients. HNSCC patients are potentially at higher risk of patulous ET.
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Risk of Bacterial, Viral, and Fungal Infections in Patients With Solid Malignant Tumors Treated With Curative Intent Radiation Therapy. Adv Radiat Oncol 2022; 7:100950. [PMID: 35677193 PMCID: PMC9168504 DOI: 10.1016/j.adro.2022.100950] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 03/16/2022] [Indexed: 10/31/2022] Open
Abstract
Purpose The incidence, etiology, and association of infections with radiation therapy (RT)-induced lymphopenia in patients with solid tumors is not well elucidated. Methods and Materials We identified possible, probable, and definite infections caused by bacteria, fungi, and viruses, combining data on medication, microbiology, and diagnoses. Definite infections had either a diagnosis or a positive microbiological isolation. We analyzed the incidence and adjusted incidence-rate ratio of infections in the year after the start of RT among patients who received RT plus chemotherapy and RT monotherapy, by type of infection and according to the degree of RT-induced lymphopenia. Results A total of 4450 of 6334 (70.3%) patients experienced 11264 infections overall; 1424 (22.5%) patients developed 2104 definite infections in the first year after RT. Infections were more frequent among patients who received RT plus chemotherapy (2590 of 3469; incidence: 16.5 [95% confidence interval {CI}, 16.1-17.0], per 100 patient-years) compared with patients who received RT monotherapy (1860 of 2865; incidence: 12.7 [95% CI, 12.3-13.2]). The incidence of infection was highest in the first 3 months overall (28.2 vs 18.0 in patients who received RT plus chemotherapy compared with those who received RT monotherapy) and for definite infections (4.7 vs 3.8). The proportion of specific bacterial infections were similar among patients who received RT plus chemotherapy versus those who received RT monotherapy. Urinary tract infections were the most frequent (51.2% vs 56.2%), followed by pneumonias (24.1% vs 22.4%). Viral and fungal infections were more frequent among patients who received RT plus chemotherapy, but they were uncommon. In multivariable analyses, patients who received RT plus chemotherapy with a lymphopenia grade of 1-2 or ≥3 versus no lymphopenia at end of RT had an increased risk of bacterial infections 0 to 3 months after RT (incidence rate ratio, 1.45 [95% CI, 1.06-1.97] and 1.71 [95% CI, 1.26-2.34], respectively). Limiting to definite bacterial infections, the incidence rate ratio for lymphopenia grade ≥3 versus no lymphopenia was 2.66 (95% CI, 1.40-5.03). Conclusions The incidence of bacterial infections 0 to 3 months after RT plus chemotherapy for solid tumors was high, especially among patients with RT-induced lymphopenia grade 1-2 and ≥3.
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Oral Candida spp. Colonisation Is a Risk Factor for Severe Oral Mucositis in Patients Undergoing Radiotherapy for Head & Neck Cancer: Results from a Multidisciplinary Mono-Institutional Prospective Observational Study. Cancers (Basel) 2022; 14:cancers14194746. [PMID: 36230669 PMCID: PMC9564084 DOI: 10.3390/cancers14194746] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 11/25/2022] Open
Abstract
Simple Summary This study aims to find a correlation between Candida spp. oral colonisation prior to radiotherapy and (i) the development of severe oral mucositis (OM) (grade 3/4) and (ii) early development of severe OM (EOM). Candida spp. in the oral cavity appears to be a predictive factor of EOM. Preventive treatment could aid in reducing incidence of EOM. Further clinical trials are required to confirm our findings. Abstract Background: This study aims to find a correlation between Candida spp. oral colonisation prior to radiotherapy (RT) and (i) the development of severe oral mucositis (OM) (grade 3/4) and (ii) early development of severe OM (EOM). Methods: The protocol was registered on ClinicalTrials.gov (ID: NCT04009161) and approved by the ethical committee of the ‘Fondazione Policlinico Universitario Gemelli IRCCS’ (22858/18). An oral swab was obtained before RT to assess the presence of Candida spp. Severe OM occurring before a dose of 40 Gy was defined as EOM. Results: No patient developed G4 OM, and only 36/152 patients (23.7%) developed G3 OM. Tumour site and lymphocytopenia were risk factors for severe OM (OR for tumour site: 1.29, 95% CI: 1–1.67, p = 0.05; OR for lymphocytopenia: 8.2, 95% CI: 1.2–55.8, p = 0.03). We found a correlation between Candida spp. and EOM (OR: 5.13; 95% CI: 1.23–21.4 p = 0.04). Patients with oral colonisation of Candida spp. developed severe OM at a mean dose of 38.3 Gy (range: 28–58; SD: 7.6), while negative patients did so at a mean dose of 45.6 Gy (range: 30–66; SD: 11.1). Conclusions: Candida spp. in the oral cavity appears to be a predictive factor of EOM.
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Oncology nursing practices in the management of chemotherapy-related oral mucositis in accordance with evidence-based guidelines: a descriptive and cross-sectional study. Support Care Cancer 2022; 30:9549-9557. [DOI: 10.1007/s00520-022-07361-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 09/10/2022] [Indexed: 11/29/2022]
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Confounding factors in the assessment of oral mucositis in head and neck cancer. Support Care Cancer 2022; 30:8455-8463. [PMID: 35639187 PMCID: PMC9512735 DOI: 10.1007/s00520-022-07128-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 05/09/2022] [Indexed: 11/26/2022]
Abstract
Treatment of locally advanced head and neck carcinoma not amenable for surgical resection or resected with high-risk features is usually based on (chemo-)radiation treatment. Oral mucositis represents one of the main side effects of (chemo-)radiation, with an important impact on quality of life and causing approximately 20% of early interruption of treatment, leading to a suboptimal dose administered. Treatment and prevention of oral mucositis have a central role in the therapeutic pathways of head and neck cancer patients but remains quite challenging. Although extensive research is conducted to identify interventions for the management of mucositis, very few interventions had sufficient evidence to generate an international expert consensus. This may be partially explained by confounding factors that could influence the development and assessment of oral mucositis. Little is known about the confounding factors of oral mucositis, which, if not well balanced in an experimental study, could lead to non-solid results. The current paper aims to review the main oral mucositis confounding factors related to head and neck cancer patients.
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Natural Products for the Prevention and Treatment of Oral Mucositis-A Review. Int J Mol Sci 2022; 23:ijms23084385. [PMID: 35457202 PMCID: PMC9030892 DOI: 10.3390/ijms23084385] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 02/06/2023] Open
Abstract
Cancer, a major world public health problem, is associated with chemotherapy treatments whose administration leads to secondary concerns, such as oral mucositis (OM). The OM disorder is characterized by the presence of ulcers in the oral mucosa that cause pain, bleeding, and difficulty in ingesting fluids and solids, or speaking. Bioactive compounds from natural sources have arisen as an effective approach for OM. This review aims to summarize the new potential application of different natural products in the prevention and treatment of OM in comparison to conventional ones, also providing a deep insight into the most recent clinical studies. Natural products, such as Aloe vera, Glycyrrhiza glabra, Camellia sinensis, Calendula officinalis, or honeybee crops, constitute examples of sources of bioactive compounds with pharmacological interest due to their well-reported activities (e.g., antimicrobial, antiviral, anti-inflammatory, analgesic, or wound healing). These activities are associated with the bioactive compounds present in their matrix (such as flavonoids), which are associated with in vivo biological activities and minimal or absent toxicity. Finally, encapsulation has arisen as a future opportunity to preserve the chemical stability and the drug bioa vailability of bioactive compounds and, most importantly, to improve the buccal retention period and the therapeutic effects.
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Effects of a mobile oral care app on oral mucositis, pain, nutritional status, and quality of life in patients with head and neck cancer: A quasi‐experimental study. Int J Nurs Pract 2022; 28:e13042. [DOI: 10.1111/ijn.13042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/03/2021] [Accepted: 02/02/2022] [Indexed: 11/29/2022]
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Dose-dependent bioavailability and tissue distribution of the ATR inhibitor AZD6738 (ceralasertib) in mice. Cancer Chemother Pharmacol 2022; 89:231-242. [PMID: 35066692 PMCID: PMC8829872 DOI: 10.1007/s00280-021-04388-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/14/2021] [Indexed: 02/03/2023]
Abstract
PURPOSE Ataxia telangiectasia and Rad3-related (ATR) initiates and regulates cellular responses to DNA damage, such as those caused by cancer treatments. Several ATR inhibitors (ATRi) are in clinical development including AZD6738. Therapeutic indices among ATRi may differ as a result of varying potencies and concentrations at both tumor and off-target sites. Additionally, AZD6738 contributes to anti-tumor immune responses necessitating evaluation of exposure at immunological sites. METHODS Using mouse models and a highly sensitive LC-MS/MS assay, the pharmacokinetics of AZD6738 were studied, including dose linearity, bioavailability, metabolism, and tissue distribution in tumor-bearing mice. RESULTS Initial studies identified dose-dependent bioavailability, with greater than proportional increases in exposure as dose increased resulting in a ~ twofold increase in bioavailability between the lowest and highest investigated doses. These behaviors were successfully captured with a compartmental PK model. Analysis of metabolite PK revealed decreasing metabolic ratios with increasing dose, indicative of saturable first-pass metabolism. Further analysis revealed that intestinal and gut metabolism contribute to metabolism and these saturable mechanisms. Studies of tumor and tissue distribution found rapid and extensive drug distribution to most tissues except brain and spinal cord. CONCLUSION The complex non-linear behavior of AZD6738 PK in mice was due to pre-systemic saturation and which appears to be recapitulated clinically at low doses. PK reported here will allow future correlation of tissue related toxicities with drug exposure as well as exposure with immunological responses. These results can also be compared with those from similar studies of other ATRi to contrast drug exposure with responses.
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Relationship between oral mucositis and the oral bacterial count in patients with head and neck cancer undergoing carbon ion radiotherapy: A prospective study. Radiother Oncol 2021; 167:65-71. [PMID: 34902372 DOI: 10.1016/j.radonc.2021.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 11/19/2021] [Accepted: 12/04/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND AND PURPOSE Acute adverse events, such as oral mucositis, can affect treatment success in patients undergoing head and neck radiotherapy. In this study, we aimed to identify the relationship between oral mucositis and oral bacterial counts during carbon ion radiotherapy (C-ion RT) in patients with head and neck cancer. MATERIALS AND METHODS This prospective study included patients with head and neck tumors treated with C-ion RT between 2017 and 2019. C-ion RT consisted of treatment at 57.6, 64.0, or 70.4 Gy (relative biological effectiveness) in 16 fractions. Bacterial counts in the saliva and the back of the tongue were measured using a rapid oral bacteria quantification system. The relationship between the oral bacterial count and oral mucositis was subsequently analyzed. RESULTS In total, 46 patients were included in the analysis. The bacterial count in the saliva gradually increased from the commencement of C-ion RT and peaked at 16 fractions. Bacterial counts at the back of the tongue were already high at the beginning of C-ion RT; however, they decreased with continued treatment, peaked at 16 fractions, and subsequently decreased again. Patients with bacterial counts exceeding the mean before C-ion RT (high-count group) did not experience more severe mucositis than those with counts below the mean (low-count group). However, patients in the high-count group tended to experience faster-onset mucositis and slower healing than those in the low-count group. CONCLUSION Bacterial counts may aid in the development of clinical strategies for C-ion RT-induced oral mucositis.
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Interaction between properties of commercial Australian honey and saliva: in vitro exploratory study of a potential mechanism in the treatment of oral mucositis. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2021; 19:269-277. [PMID: 34587663 DOI: 10.1515/jcim-2021-0280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/15/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Oral mucositis is a debilitating oncology treatment side effect, with honey identified as a viable management option due to established wound-healing abilities. However, effects of saliva on properties attributed to honey's wound-healing abilities is unknown. Therefore, this study aimed to identify interactions between saliva, and antioxidant characteristics and pH of honey. METHODS Saliva was collected from 15 healthy participants (Females n=9; mean age=34.1 ± 11.2 years). Centrifuged salivary supernatant, whole saliva, and water were independently used to dilute commercial Australian honeys (n=42). Antioxidant characteristics (DPPH and FRAP) and pH of diluted honeys were analysed, and differences between dilution conditions were determined. RESULTS Honey and saliva dilutions increased antioxidant characteristics compared to water, and addition of honey to saliva reduced pH compared with saliva alone. There were significant differences between dilutions for FRAP and pH, and water and salivary conditions for DPPH (p<0.001). No difference was observed between salivary conditions for DPPH (p=0.931), suggesting smaller cells remaining in the supernatant possess antioxidant abilities. However, differences observed for FRAP suggest precipitable molecules, including epithelial and food debris, could provide additional antioxidant power. CONCLUSIONS The addition of saliva to honey may support properties attributed to honey's wound-healing abilities and should be considered in the context of oral mucositis management.
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Abstract
Abstract
Current therapies for Head and Neck cancer treatment are extremely advanced. Though, they cause oral complications which have deleterious effects on basic life functions, affect oral and overall health, may lead to significant morbidity and treatment discontinuation and have an impact on survivorship and quality of life. As new therapies are introduced, a new spectrum of oral complications is rising, compromising the mucosal integrity and the salivary function, that may not be recognized, reported and treated properly. Oral complications, often permanent and extremely painful, may include mucositis, xerostomia, dysgeusia, infections, trismus and fibrosis, risk of dental disease and necrosis of the jaw, neurosensory disorders and when targeted therapies and immunotherapy are involved, aphthoid and lichenoid lesions can also be reported. Increased awareness is required for the prevention and management of these complications, which can be best provided by a multidisciplinary team.
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Association and risk factors of healthcare-associated infection and burden of illness among chemotherapy-induced ulcerative mucositis patients. Clin Oral Investig 2021; 26:1323-1332. [PMID: 34355291 PMCID: PMC8342036 DOI: 10.1007/s00784-021-04106-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 07/24/2021] [Indexed: 12/18/2022]
Abstract
Objectives To evaluate the association and risk factors of healthcare-associated infection (HAI) and burden of illness among chemotherapy-induced ulcerative mucositis (UM) patients. Methods For this research, US National Inpatient Sample database 2017 was utilized to study UM patients. The association of healthcare-associated infection-related burden of illness among UM patients was assessed on the outcome––length of hospital stays (LOS), total charges, in-hospital mortality, and discharge disposition. Result In 2017, there were 11,350 adult (> 18 years of age) UM patients, among them there were 415 (3.5%) HAI. After adjusting for patient and clinical characteristics, UM patients with HAI were most likely to have higher total charges and longer LOS (1.91; 95% CIs: 1.51–2.41; P < 0.001; 1.84; 95% CIs: 1.53–2.21; P < 0.001) than those without HAI. Further, mortality was not significantly different. UM patients with HAI were less likely to have higher burden of illness who were younger, females, those living in non-metropolitan or micropolitan counties, and those with lower co-morbidity score. Additionally, UM patients with HAI were more likely to discharge to skilled nursing facility (SNF), intermediate care facility (ICF), and another type of facility (ATF), (aOR = 2.58 (1.16–5.76), P = 0.02), than they were to discharge to self-care or home care. Conclusion UM patients with HAI were more likely to have higher burden of illness and more likely to discharged to the SNF, ICF, and ATF rather than to home or self-care. Clinical relevance UM patients when associated with HAI have higher burden of illness; a tailored approach to oral care might prevent HAIs and burden of illness among UM. Supplementary Information The online version contains supplementary material available at 10.1007/s00784-021-04106-0.
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Do grape and black mulberry molasses have an effect on oral mucositis and quality of life in patients with head and neck cancer? Support Care Cancer 2021; 30:327-336. [PMID: 34283318 DOI: 10.1007/s00520-021-06411-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/30/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE We aimed to investigate the effect of black mulberry and grape molasses on the prevention and treatment of oral mucositis and quality of life (QoL) in patients with head and neck cancer (HNC). METHODS Patients treated for HNC between 2010 and 2018 in our department were divided into three groups (group 1 = control (n = 14), group 2 = grape molasses (n = 40), and group 3 = black mulberry molasses (n = 40)). Oral mucositis, pain scoring, and weight loss were evaluated weekly. The European Organization for Research and Treatment of Cancer (EORTC) General QoL Questionnaire (QLQ-C30) and EORTC Head and Neck Cancer QoL Module (QLQ-HN35) were used to evaluate QoL. RESULTS The mean body weight, scores of oral mucositis, and pain were similar among the groups throughout the treatment. Both groups 2 and 3 were associated with improved outcomes for swallowing, opening mouth, and weight loss in the EORTC HN35, and these parameters were not significantly different between groups 2 and 3. Global health score was higher in group 3 at the 6th week of RT compared to that of group 2. Both groups 2 and 3 had improved scores for role functioning, emotional and social functioning, fatigue, appetite loss, and pain throughout the treatment compared to group 1. CONCLUSIONS Both grape and black mulberry molasses improved the QoL in HNC patients. No significant difference between black mulberry and grape molasses was found with regard to the healing of oral mucositis.
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Glutamine for prevention and alleviation of radiation-induced oral mucositis in patients with head and neck squamous cell cancer: Systematic review and meta-analysis of controlled trials. Head Neck 2021; 43:3199-3213. [PMID: 34240498 DOI: 10.1002/hed.26798] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/20/2021] [Accepted: 06/28/2021] [Indexed: 01/10/2023] Open
Abstract
We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) that investigated glutamine efficacy in preventing and alleviating radiation-induced oral mucositis (OM) among patients with head and neck (H&N) cancer. We screened five databases from inception till February 4, 2021 and followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We included 11 RCTs, comprising 922 patients (458 and 464 patients were assigned to glutamine and control group, respectively). The incidence and onset of radiation-induced OM of any grade did not substantially differ between both groups. However, glutamine substantially reduced the severity of radiation-induced OM, as reflected by the reduced incidence of severe OM and reduced mean maximal OM grade score. Additionally, glutamine significantly decreased the rates of analgesic opioid use, nasogastric tube feeding, and therapy interruptions. Oral glutamine supplementation demonstrated various therapeutic benefits in preventing and ameliorating radiation-induced OM among patients with H&N cancer.
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Assessment and prevalence of concomitant chemo-radiotherapy-induced oral mucositis in patients with oral squamous cell carcinoma. Turk J Med Sci 2021; 51:675-684. [PMID: 33155791 PMCID: PMC8203133 DOI: 10.3906/sag-2007-131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 11/05/2020] [Indexed: 11/06/2022] Open
Abstract
Background/aim Quantification of oral mucositis that progresses during concomitant chemo-radiotherapy (CCRT) is essential for its management. It is important to determine the methods that are simple, reliable and beneficial in foreseeing mucositis at earlier stages of treatment. Materials and methods A prospective study was conducted on 100 oral cancer patients receiving CCRT following the inclusion criteria. Patients were evaluated for mucositis i.e. erythema and ulcers by using the World Health Organization (WHO) scale and the oral mucositis assessment scale (OMAS), whereas mature and immature cells were identified by exfoliative cytology. Clinical examination and procedure of oral cavity were performed before, on days 5, 17, and at the end of treatment. Results Oral mucositis was observed in all oral squamous cell carcinoma (OSCC) patients receiving CCRT on different days with noteworthy increase from day 5 of CCRT to the end of treatment. For OMAS grading related to ulceration and erythema, Grade 1 (7.2%; 34%) was most commonly seen on the 5th day of CCRT, Grade 2 (29%; 19%) and Grade 3 (19%) were most frequently seen at the 17th day and end of CCRT, accordingly. With respect to WHO scale grades 1 and 2 (18.3%; 21.5%) was most frequently observed at the 17th day of CCRT, whereas grades 3 and 4 (12.5%; 2%) was noted at the end of CCRT. There was statistically significant increase in the percentage of immature cells at the end of CCRT (99%). A significant association (P < 0.0000) was observed among the days of smear and maturation stages of epithelial cells as well as among WHO mucositis grading, OMAS and types of epithelial cells, respectively. Conclusion According to the findings of the study, oral mucositis grade is directly proportional to the progressing days of CCRT. Oral mucositis is frequently related to adverse clinical outcomes, affecting the patient’s quality of life. It is essential to develop methods that can be employed for the assessment of CCRT associated oral mucositis.
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PDRN, a natural bioactive compound, blunts inflammation and positively reprograms healing genes in an "in vitro" model of oral mucositis. Biomed Pharmacother 2021; 138:111538. [PMID: 34311536 DOI: 10.1016/j.biopha.2021.111538] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/23/2021] [Accepted: 03/21/2021] [Indexed: 02/06/2023] Open
Abstract
Oral mucositis is a side effect hard to treat following high dose chemotherapy or radiotherapy. Adenosine A2A receptor stimulation blocks NF-κB and boosts the Wnt/β-catenin signaling, thus blunting inflammation and triggering growth factor codifying genes. Polydeoxyribonucleotide (PDRN) is a registered drug that activates the A2A receptor. Therefore, the aim of this study was to evaluate PDRN effects in an "in vitro" model of oral mucositis induced by prompting an inflammatory phenotype in human gingival fibroblasts (GF) and human oral mucosal epithelial cells (EC). GF and EC were stimulated with LPS (2 μg/ml) alone or in combination with i) PDRN (100 μg/ml); ii) PDRN plus ZM241385 (1 μM) as an A2AR antagonist; iii) CGS21680 (1 μM) as an A2AR agonist. LPS boosted NF-κB, TNF-α and IL-6 expression, decreased IL-10 levels and downregulated both Wnt/β-catenin, VEGF and EGF expression. PDRN reverted the LPS-induced phenotype as well as CGS21680. Co-incubation with ZM241385 abolished PDRN effects, thus confirming A2A receptor involvement in PDRN mechanism of action. These results suggest that PDRN efficacy may be due to a "dual mode" of action: NF-κB inhibition and Wnt/β-catenin signaling activation. However, these interesting findings need to be confirmed by animal and clinical studies.
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Immunonutrition in head and neck cancer: Systematic review and metanalysis of its clinical and nutritional effects. Clin Nutr ESPEN 2021; 41:30-41. [PMID: 33487281 DOI: 10.1016/j.clnesp.2020.12.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 12/14/2020] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND AIMS A systematic review was conducted to assess the effects of glutamine, arginine and omega-3 supplementation on the tolerance to treatment, nutritional status and immune function of head and neck cancer (HNC) patients undergoing chemoradiotherapy. METHODS Randomized clinical trials were searched in MEDLINE, EMBASE, CENTRAL, LILACS, ClinicalTrials.gov, OpenGrey and Proquest. Tolerance to treatment, nutritional status, immune function and mortality rate were the primary outcomes investigated. Secondary outcomes comprised functional status, weight loss and body composition. Risk of bias of individual studies and the overall quality of the evidence were assessed using the Cochrane and the GRADE tools, respectively. RESULTS Nineteen articles met the inclusion criteria and nine were included in the meta-analyses, which assessed mucositis severity, weight loss and handgrip strength. Ten studies were evaluated as high risk of bias. Glutamine supplementation has significantly reduced the risk of grade 2-4 mucositis (RR: 0.76, IC95% [0.63; 0.92], P = 0.006, I2 = 0%; P = 0.792; 4 studies). Omega-3 supplementation did not show statistically significant results on weight loss (SMD: -0.042, 95% CI [-0.322; 0.238], P = 0.769, I2 = 33.4%; P = 0.212; 4 studies). The overall quality of the evidence ranged from low to very low. CONCLUSIONS These results must be interpreted with caution due to differences between supplementations regimen, lack of methodological rigor in most studies and due to the possible role of glutamine in tumor metabolism. Studies focused on elucidating the contribution of each immunonutrient to HNC patients undergoing chemoradiotherapy deserve further investigation.
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Clinical applicability of natural products for prevention and treatment of oral mucositis: a systematic review and meta-analysis. Clin Oral Investig 2021; 25:4115-4124. [PMID: 33409696 DOI: 10.1007/s00784-020-03743-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/15/2020] [Indexed: 12/28/2022]
Abstract
OBJECTIVE A systematic review and meta-analysis was carried out to verify evidence regarding the efficacy and safety of the clinical applicability of natural products in the prevention and treatment of oral mucositis induced by chemotherapy and/or radiotherapy. METHODOLOGY An electronic research according to the PICOS strategy, using the terms "natural products" and "oral mucositis," was carried out at Pubmed, Cochrane, Embase, and "gray literature." The stages of eligibility, data extraction, and quality assessment of the studies were carried out independently and in duplicate. RESULTS The number of studies identified as eligible was 151, including 47 randomized controlled trials, reporting a total of 3075 participants undergoing some therapy with natural products on oral mucositis. The included clinical trials covered a variety of 31 types of natural products. Considering the risk of bias of the clinical trials, 24 studies (51.1%) were considered to have a low overall risk of bias, nine (19.1%) were at moderate risk, and 14 clinical trials (29.8%) were at high risk of bias. Honey was the most assessed natural agent. Fourteen studies (3.4%) reported that natural agents reduced pain. CONCLUSION The results of the meta-analysis support a positive effect of honey and Aloe vera in reducing mucositis in patients receiving cancer therapy. CLINICAL RELEVANCE The results found add relevant information to the scientific community regarding the prevention and treatment of mucositis. Graphical abstract.
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Impact of muscle volume loss on acute oral mucositis in patients undergoing concurrent chemoradiotherapy after oral cancer resection. Int J Oral Maxillofac Surg 2021; 50:1195-1202. [PMID: 33414037 DOI: 10.1016/j.ijom.2020.12.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 09/25/2020] [Accepted: 12/07/2020] [Indexed: 12/14/2022]
Abstract
This study evaluated the association between skeletal muscle mass depletion and severe oral mucositis in patients undergoing concurrent chemoradiotherapy after oral cancer resection. Skeletal muscle mass was evaluated in 60 patients using the skeletal muscle index, which was based on skeletal muscle cross-sectional area (on computed tomography) at the level of the third lumbar vertebra. In accordance with the grading criteria of the Radiation Therapy Oncology Group, patients with a grade ≥3 were defined as having severe oral mucositis. Multivariate logistic regression analysis was used to evaluate independent risk factors for severe oral mucositis. Eleven patients (18.3%) were diagnosed with low skeletal muscle mass. Severe oral mucositis occurred in 17 (28.3%) patients, and the mean skeletal muscle index was 42.8 cm2/m2. A low skeletal muscle mass (hazard ratio 18.1; P=0.001) and a chemotherapy regimen consisting of 5-fluorouracil and cisplatin (versus cisplatin only) (hazard ratio 5.5; P=0.015) were independent risk factors for severe oral mucositis. Future prospective studies are warranted to identify effective pre- and perioperative exercises and nutrition programmes to increase low skeletal muscle mass and reduce the incidence of severe oral mucositis in patients undergoing concurrent chemoradiotherapy after oral cancer resection.
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The Benefit of Zinc Sulfate in Oropharyngeal Mucositis during Hyperfractionated Accelerated Concomitant Boost Radiotherapy with Concurrent Cisplatin for Advanced-Stage Oropharyngeal and Hypopharyngeal Cancers. Indian J Palliat Care 2020; 26:437-443. [PMID: 33623304 PMCID: PMC7888420 DOI: 10.4103/ijpc.ijpc_20_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 03/26/2020] [Indexed: 11/04/2022] Open
Abstract
Background: Radiation-induced oropharyngeal mucositis is a major problem causing widespread clinical symptoms and may interfere with treatment plans, ultimately jeopardizing patient outcome. Zinc supplementation may be considered beneficial in preventing acute toxicity during chemoradiation. Aims and Objective: The aim of the study is to determine the effect of zinc supplementation on radiation-induced oropharyngeal mucositis in Stage III and IV-A oropharynx and hypopharynx cancers treated by hyperfractionated accelerated concomitant boost radiotherapy with weakly cisplatin. The objective behind the study is to know any changes in the onset, duration, and severity of oropharyngeal mucositis by implementation of oral zinc sulfate. Materials and Methods: The study is double-blinded randomized controlled assessment involving 120 patients (60 – control and 60 – experimental) treated with chemoradiation for oropharyngeal and hypopharyngeal cancers. The experimental group received oral zinc sulfate 150 mg once daily during and after treatment, whereas the control group patients were given placebo. The categorical data were analyzed using the Chi-square test and Pearson correlation. The Friedman test was used for comparison of oral mucositis grading between the groups. Results: A statistically significant difference was found in the zinc-supported experimental group showing delay in onset, decrease in severity, and duration of oropharyngeal mucositis. Conclusion: Zinc supplementation could be beneficial in managing oropharyngeal mucositis during chemoradiation of head-and-neck cancers with no untoward side effects.
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Toxicities Caused by Head and Neck Cancer Treatments and Their Influence on the Development of Malnutrition: Review of the Literature. Eur J Investig Health Psychol Educ 2020; 10:935-949. [PMID: 34542427 PMCID: PMC8314324 DOI: 10.3390/ejihpe10040066] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/14/2020] [Accepted: 09/30/2020] [Indexed: 02/06/2023] Open
Abstract
Malnutrition poses a significant problem for oncology patients, resulting in fatalities within this population. Patients with head and neck cancer (HNC) are at high risk, with up to 90% developing malnutrition. Common treatments used for HNC can often lead to adverse side effects, including oral health conditions, gastrointestinal upsets, and several metabolic changes. Consequently, treatments can cause inadequate nutritional intake, resulting in a reduction in energy consumption, and alterations in energy utilization, contributing to the development of malnutrition. Furthermore, the presence of these treatment toxicities, and the related malnutrition can lead to reduced quality of life, weight loss, and psychological distress. There are interventions available (nutritional, medicinal, and physical therapies) that have demonstrated potential effectiveness in reducing the severity of symptomatic toxicities, reducing the risk of malnutrition, and improving survival outcomes of patients with HNC. Based on the findings of this review, there is an urgent need for the implementation or continuation of multi-disciplinary strategies, as well as updated and improved guidelines to assist in the prevention and treatment of malnutrition caused by treatment-related toxicities in patients with HNC.
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Effects of photobiomodulation on cellular viability and cancer stem cell phenotype in oral squamous cell carcinoma. Lasers Med Sci 2020; 36:681-690. [PMID: 32813258 DOI: 10.1007/s10103-020-03131-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 08/13/2020] [Indexed: 10/23/2022]
Abstract
Oral squamous cell carcinoma (OSCC) is the most common head and neck malignancy; it has been shown that cancer stem cells (CSC) are present in OSCC and associated with tumor growth, invasion, metastasis, and therapeutic resistance. Photobiomodulation (PBM) is an alternative tool for oncologic treatment adverse effects such as oral mucositis (OM); however, controversy exists regarding the undesirable effects of PBM on tumor or CSC. This study aimed to evaluate in vitro, the effects of PBM, with the same dosimetric parameters as those used in the clinic for OM prevention and treatment, on OSCC cellular viability, as well as PBM's effect on CSC properties and its phenotype. OSCC cell lines were submitted to single or daily PBM with 3 J/cm2 and 6 J/cm2 and then the cellular viability was evaluated by MTT, NRU (neutral red uptake), and CVS (crystal violet staining). The CSC populations were evaluated by clonogenic formation assay, flow cytometry, and RT-qPCR. The single PBM with the 3 J/cm2 group was associated with increased cellular viability. Daily PBM with 3 J/cm2 and 6 J/cm2 was associated with a significant decrease in cellular viability. Additionally, daily PBM was not able to promote CSC self-renewal or the CD44high/ESAlow and CD44high/ESAhigh cellular phenotypes. Moreover, a decrease in the number of spheres and in the expression of the CSC related gene BMI1 was observed after daily PBM with 6 J/cm2. Daily PBM with 3 J/cm2 and 6 J/cm2 showed an inhibitory effect on cellular viability and was not able to promote the CSC self-renewal or phenotype.
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Radiation-Induced Oral Mucositis in Head and Neck Cancer Patients. Five Years Literature Review. Rev Recent Clin Trials 2020; 16:151-165. [PMID: 32735527 DOI: 10.2174/1574887115666200731182708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 06/26/2020] [Accepted: 07/14/2020] [Indexed: 12/24/2022]
Abstract
Backround: Radiation-induced oral mucositis consists of a series of relatively frequent side effects after head and neck cancer radiotherapy and has an adverse impact on both regular treatment process and the quality of life of patients. OBJECTIVE The purpose of the present review is to optimize the current management of radiation-induced oral mucositis in head and neck cancer patients. METHODS PubMed database research was performed on articles published since 2015 that demonstrated efficacy in the management of radiation-induced oral mucositis in head and neck cancer patients. The study selection included observational, prospective, comparative, randomized, double- blind, placebo-controlled or uncontrolled, and retrospective studies, as well as systematic reviews and metanalyses. RESULTS From the 931 citations obtained from the search, only 94 articles met the inclusion criteria, including mucosal protectants, anti-inflammatory agents, growth factors, and various miscellaneous and natural agents. Several methods, including both pharmacological and natural agents, have been proposed for the management of oral mucositis. In addition to the already known interventions with strong evidence, according to the Multinational Association of Supportive Care in Cancer and he International Society of Oral Oncology guidelines, further agents have been used. However, a great number of them lack clear evidence, which surely requires the design of more controlled clinical trials for a better assessment of the ideal methods. CONCLUSION The management of oral mucositis constitutes an active area of research. In light of these results, it is aimed to illustrate those treatment strategies that are most effective regarding the treatment approach of oral mucositis.
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Photobiomodulation Therapy in Oral Mucositis and Potentially Malignant Oral Lesions: A Therapy Towards the Future. Cancers (Basel) 2020; 12:cancers12071949. [PMID: 32708390 PMCID: PMC7409159 DOI: 10.3390/cancers12071949] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/10/2020] [Accepted: 07/16/2020] [Indexed: 12/18/2022] Open
Abstract
Photobiomodulation therapy (PBMT) is an effective treatment modality, which has the significant advantage of enhancing a patient’s quality of life (QoL) by minimising the side effects of oral cancer treatments, as well as assisting in the management of potentially cancerous lesions. It is important to note that the major evidence-based documentation neither considers, nor tackles, the issues related to the impact of PBMT on tumour progression and on the downregulation of cellular proliferation improvement, by identifying the dose- and time-dependency. Moreover, little is known about the risk of this therapy and its safety when it is applied to the tumour, or the impact on the factor of QoL. The review aimed to address the benefits and limitations of PBMT in premalignant oral lesions, as well as the conflicting evidence concerning the relationship between tumour cell proliferation and the applied dose of photonic energy (fluence) in treating oral mucositis induced by head and neck cancer (H&N) treatments. The objective was to appraise the current concept of PBMT safety in the long-term, along with its latent impact on tumour reaction. This review highlighted the gap in the literature and broaden the knowledge of the current clinical evidence-based practice, and effectiveness, of PBMT in H&N oncology patients. As a result, the authors concluded that PBMT is a promising treatment modality. However, due to the heterogeneity of our data, it needs to undergo further testing in well-designed, long-term and randomised controlled trial studies, to evaluate it with diligent and impartial outcomes, and ensure laser irradiation’s safety at the tumour site.
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Three photobiomodulation protocols in the prevention/treatment of radiotherapy-induced oral mucositis. Photodiagnosis Photodyn Ther 2020; 31:101906. [PMID: 32619713 DOI: 10.1016/j.pdpdt.2020.101906] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 06/16/2020] [Accepted: 06/26/2020] [Indexed: 12/20/2022]
Abstract
PURPOSE To compare three Photobiomodulation protocols to prevent/treat oral mucositis associated to radiotherapy. METHODS Seventy-three patients with cancer in oral cavity, oropharynx, and nasopharynx, who underwent RT with dose in facial fields equal or higher than 6000 cGy were randomized into three groups (mean RT dose = 66 cGy ±4.9). Protocols of Group 1 was 660 nm, 15 mW, 3.8 J/cm2, Group 2 660 nm, 25 mW, 6.3 J/cm2 both starting on the first day of radiotherapy, and group 3 660 nm, 15 mW, 3.8 J/cm2 for therapeutic purpose. The patients of group 1 and 2 were irradiated at 40 points daily covering non-keratinizing oral mucosa. The spot size (probe's tip surface size) was 0.040 cm2 for all groups. Oral mucositis was evaluated according to both WHO and NCI scales, and pain related to oral mucositis was scored using the VAS. RESULTS Patients from group 1 presented with grade II oral mucositis later than groups 2 and 3 (p < 0.001). Moreover, groups 2 and 3 also presented with a mean higher of oral mucositis grade than group 1, p < 0.001. Pain scores were lower in group 1 (p = 0.002). CONCLUSIONS The Photobiomodulation used in Group 1 was more effective than the protocols used in groups 2 and 3 in controlling the grade II oral mucositis intensity, and mean pain scores.
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Effects of exercise therapy in cancer patients undergoing radiotherapy treatment: a narrative review. SAGE Open Med 2020; 8:2050312120922657. [PMID: 32595968 PMCID: PMC7301662 DOI: 10.1177/2050312120922657] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 04/06/2020] [Indexed: 12/25/2022] Open
Abstract
Despite its beneficial effects, radiotherapy still results in a range of side effects that negatively impact quality of life of patients. Exercise has been shown to counteract the side effects induced by cancer treatment. This narrative review aims to provide an up-to-date review of the effects of an exercise intervention in cancer patients during radiotherapy. A literature search was performed on PubMed to identify original articles that evaluated the effects of an exercise programme to alleviate treatment-related side effects in cancer patients undergoing radiotherapy with or without other cancer treatments. Benefits related to exercise training have been shown in breast, prostate, rectal, lung, head and neck cancer patients undergoing radiotherapy. Therefore, exercise should be considered as a concurrent treatment alongside radiotherapy to alleviate treatment-related side effects and facilitate effective recovery. Due to the onset and progress of treatment-related side effects throughout radiotherapy, a regular clinical evaluation seems strongly advisable in order to continuously adapt the exercise programme depending on symptoms and side effects. An exercise professional is needed to personalize exercise training based on the medical condition and tailor it throughout the intervention according to progress and the patient’s medical status. Future studies are needed to confirm the potential benefits of exercises observed on treatment-related side effects. Furthermore, because of the narrative design of this study, a systematic review is required to evaluate the strength of the evidence reported.
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Simultaneous Integrated Boost Radiotherapy in Unresectable Stage IV (M0) Head and Neck Squamous Cell Cancer Patients: Daily Clinical Practice. Rep Pract Oncol Radiother 2020; 25:399-404. [PMID: 32368191 PMCID: PMC7190747 DOI: 10.1016/j.rpor.2020.04.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 03/07/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022] Open
Abstract
AIM To evaluate clinical outcome in locally-advanced stage IV (M0) head and neck cancer patients treated using intensity-modulated radiotherapy (IMRT) with simultaneous integrated boost (SIB) in daily clinical practice. BACKGROUND Despite SIB-IMRT has been reported as a feasible and effective advanced head and neck cancer treatment, there are few data about its concurrent use with systemic therapies. MATERIAL AND METHODS We reviewed 41 staged IV (M0) head and neck cancer patients treated in two radiotherapy units in the city of Messina (Italy) during the last six years, using intensity modulated techniques-SIB. 22/41 patients had concomitant chemotherapy or cetuximab. Acute and late toxicities, objective response (OR) rate, local control (LC) and overall survival (OS) have been evaluated. RESULTS 37/41 patients received the planned doses of radiotherapy, 2 patients died during the therapy. The major acute regional toxicities were skin reaction and mucositis. A case of mandibular osteoradionecrosis was recorded. At completion of treatment, OR was evaluated in 38 patients: 32/38 patients (84.2%) had complete (55.3%) and partial (28.9%) response. The 1- and 5-year LC rates were 73.4% and 69.73%, respectively. The 1-, 3-, and 5-year OS rates were 85.93%, 51.49% and 44.14%, respectively. No statistically significant differences in outcomes have been observed in patients treated with radiotherapy alone vs. irradiation concomitant to chemo/biotherapy. The median OS was 45 months. CONCLUSION SIB-IMRT is safeand can be used with concomitant chemotherapy/biotherapy in real-life daily clinical practice. SIB-IMRT alone is a valid alternative in patients unfit for systemic therapies.
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Oral Glutamine May Have No Clinical Benefits to Prevent Radiation-Induced Oral Mucositis in Adult Patients With Head and Neck Cancer: A Meta-Analysis of Randomized Controlled Trials. Front Nutr 2020; 7:49. [PMID: 32363198 PMCID: PMC7180868 DOI: 10.3389/fnut.2020.00049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 03/26/2020] [Indexed: 12/30/2022] Open
Abstract
Objectives: The role of oral glutamine for the management of oral mucositis (OM) has not yet been confirmed. The objective of the present study is to further investigate whether oral glutamine is effective in preventing and treating OM among patients with head and neck cancer (HNC) receiving radiotherapy alone or concurrent with chemotherapy. Methods: A systematic search was performed in PubMed, EMBASE, EBSCO, and Cochrane Central Register of Controlled Trials (CENTRAL) to capture all potential citations from the inception to June 2019. Then data extraction and assessment of risk of bias were carried out after selecting the eligible citations. RevMan 5.3 software was used to perform all statistical analyses. Results: Six randomized controlled trials (RCTs) including 441 patients were included in the final analysis. The meta-analysis showed that oral glutamine couldn't significantly decrease the incidence of OM (risk ratio [RR] = 0.98, 95% confidence interval [CI] = 0.94−1.02) and alleviate the development of moderate or severe grade of OM (Moderate-to-severe OM: RR = 0.81, 95% CI = 0.59−1.12; Severe OM: RR = 0.45, 95% CI = 0.13−1.52). But oral glutamine may have the potential to reduce the opioid use (RR = 0.84, 95% CI = 0.71−0.99). The role of oral glutamine in delaying the onset of OM remains uncertain due to conflicting results between quantitative (mean difference [MD] = 4.11 days, 95% CI = 3.49−4.73) and qualitative results. Conclusions: Oral glutamine may have no clinical benefits to prevent or reduce the incidence and severity of radiation-induced OM in patients with HNC receiving radiotherapy alone or concurrent with chemotherapy. It is also uncertain whether oral glutamine can delay the onset of OM. But it may have the potential to relieve the degree of oral pain. Nevertheless, we must cautiously interpret the results because the observed effect size for delay in mucositis start or reduction in opioid use is marginal. Moreover, further RCTs with more rigorous methodology and large-scale are required to enhance the quality of evidence.
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Nutrition impact symptoms and weight loss in head and neck cancer during radiotherapy: a longitudinal study. BMJ Support Palliat Care 2020; 11:17-24. [PMID: 32019753 DOI: 10.1136/bmjspcare-2019-002077] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/03/2020] [Accepted: 01/20/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Patients with head and neck cancer (HNC) receiving radiotherapy (RT) are at high risk of weight loss (WL) due to a variety of nutrition impact symptoms (NIS). This study aimed to describe the NIS through the Head and Neck patient Symptom Checklist and body weight over time and further explore the impact of NIS on WL in patients with HNC undergoing RT. METHODS This was a prospective, longitudinal observational study. NIS and body weight of 117 participants were assessed at baseline, mid-treatment and post-treatment of RT. Generalised estimation equations (GEE) were used to conduct repeated measures analysis of NIS interference score and body weight at each time point and estimate the impact of NIS interference score on WL. RESULTS All participants experienced a substantial increase in the mean number of NIS during RT, with each patient having eight to nine NIS at mid-treatment and post-treatment. Marked increases were noted in almost each NIS score during RT. Compared with their baseline body weight, 97 (82.9%) and 111 (94.9%) participants experienced WL at mid-treatment and post-treatment, with the mean WL of 2.55±1.70 kg and 5.31±3.18 kg, respectively. NIS of dry mouth (β=-0.681, p=0.002, 95% CI -1.116 to -0.247), difficulty swallowing (β=-0.410, p=0.001, 95% CI -0.651 to -0.169) and taste change (β=-0.447, p=0.000, 95% CI -0.670 to -0.225) impacted WL significantly in GEE multivariate model. CONCLUSIONS Patients with HNC experience a variety of NIS which have significant impact on WL during RT. Assessment of NIS, especially dry mouth, difficulty swallowing and taste change, should be given more considerable attention in the supportive care of patients with HNC.
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Variations in odontological care routines for patients undergoing treatment for head and neck cancer in county councils/regions of Sweden. Clin Exp Dent Res 2020; 6:3-15. [PMID: 32067404 PMCID: PMC7025979 DOI: 10.1002/cre2.242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/11/2019] [Accepted: 08/02/2019] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE To investigate current odontological care routines for patients treated for head and neck cancers in the county councils/regions (C/Rs) of Sweden. METHODS An invitation to fill in a web-based questionnaire was sent to dentists/dental hygienists working in dental clinics in the 12 C/Rs, treating and responsible for the odontological care of patients undergoing treatment for cancer of the head and neck. The questionnaire started with two mandatory and one non-mandatory questions, followed by questions regarding routines before (n = 28), during (n = 23), and after (n = 9) treatment, plus two additional questions, totalling 65 questions. RESULTS Four dental hygienists and six dentists in 10 of the 12 C/Rs answered the questionnaire. Three C/Rs stated that they measure both the unstimulated and stimulated salivary secretion rate, and another C/R stated that they measure the stimulated secretion rate only. Similar recommendations were given regarding oral hygiene, salivary stimulants and substitutes, and extra fluoride. However, great variations were seen regarding recommendations for preventing and relieving oral mucositis. There were also discrepancies regarding information about the importance of avoiding smoking and alcohol. In seven C/Rs, patients visited the dental hygienist once a week during cancer treatment. CONCLUSION The results suggests that there are great variations in odontological care given to patients undergoing treatment for cancer of the head and neck region in different county councils/regions in Sweden. There is a need to develop and implement evidence-based guidelines to decrease the risk of oral complications and increase both the quality of life and the quality of care.
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The effect of ionizing radiation on properties of fluoride-releasing restorative materials. Braz Oral Res 2020; 34:e005. [PMID: 32022224 DOI: 10.1590/1807-3107bor-2020.vol34.0005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 12/23/2019] [Indexed: 11/22/2022] Open
Abstract
The purpose of this study was to evaluate the effect of ionizing radiation from high energy X-ray on fluoride release, surface roughness, flexural strength, and surface chemical composition of the materials. The study groups comprised five different restorative materials: Beautifil II, GCP Glass Fill, Amalgomer CR, Zirconomer, and Fuji IX GP. Twenty disk-shaped specimens (8x2 mm) for fluoride release and 20 bar-shaped specimens (25 x 2x 2 mm) for flexural strength were prepared from each material. Each material group was divided into two subgroups: irradiated (IR) and non-irradiated (Non-IR). The specimens from IR groups were irradiated with 1.8 Gy/day for 39 days (total IR = 70.2 Gy). The amount of fluoride released into deionized water was measured using a fluoride ion-selective electrode and ion analyzer after 24 hours and on days 2, 3, 7, 15, 21, 28, 35, and 39 (n = 10). The flexural strength was evaluated using the three-point bending test (n = 10). After the period of measurement of fluoride release, seven specimens (n = 7) from each group were randomly selected to evaluate surface roughness using AFM and one specimen was randomly selected for the SEM and EDS analyses. Data were analyzed with two-way ANOVA and Tukey tests (p = 0.05). The irradiation significantly increased fluoride release and surface roughness for Amalgomer CR and Zirconomer groups (p < 0.05). No significant change in flexural strength of the materials was observed after irradiation (p > 0.05). The ionizing radiation altered the amount of fluoride release and surface roughness of only Amalgomer CR and Zirconomer. The effect could be related to the chemical compositions of materials.
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Effect of the double application of universal adhesives on the dentine bond strength after radiotherapy. Aust Dent J 2020; 65:181-188. [PMID: 31900933 DOI: 10.1111/adj.12744] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/29/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND This study aimed to evaluate the effect of double application of universal adhesives on bond strength to dentine after ionizing radiation. METHODS One hundred and forty caries-free human third molars were used. Half of the teeth were irradiated (IR) (70.2 Gy). The IR and non-IR teeth were assigned into seven groups (n = 10). Universal adhesives Single Bond Universal (3M Oral Care), Gluma Bond Universal (Heraeus Kulzer) and Prime&Bond Elect (Dentsply) were employed (following manufacturer's instructions and double application). Two-step self-etch adhesive Clearfil SE Bond (Kuraray Noritake) was used as control. After composite build-ups were bonded to mid-coronal occlusal dentine surfaces, the specimens were stored in water (37°C/24 h) and sectioned into microspecimens. The specimens were subjected to μTBS testing (1.0 mm/min). Failure analysis was performed using stereomicroscope and scanning electron microscopy. Data were analysed with two-way ANOVA and Tukey's test (P = 0.05). RESULTS The radiotherapy caused reduction in the bond strength of universal adhesives when the adhesives were used with single application after radiotherapy (P < 0.05). The double application resulted in increased bond strength of the universal adhesives to IR dentine (P < 0.05). CONCLUSIONS The double application was beneficial in improving the dentine bond strength of universal adhesives affected by radiotherapy after ionizing radiation.
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Nigella sativa Oil Mouth Rinse Improves Chemotherapy-Induced Oral Mucositis in Patients with Acute Myeloid Leukemia. BIOMED RESEARCH INTERNATIONAL 2019; 2019:3619357. [PMID: 31781612 PMCID: PMC6875195 DOI: 10.1155/2019/3619357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 08/30/2019] [Accepted: 09/14/2019] [Indexed: 01/20/2023]
Abstract
Objective The present study aims at evaluating the beneficial effect of Nigella sativa (NS) oil mouth rinse in the management of chemotherapy- (CT-) induced oral mucositis (OM) in patients with acute myeloid leukemia (AML). Methods Fifty-four AML patients were participated in this study and randomly allocated to either the test group or a control group. The patients of the test group received NS oil mouth rinse during 28-day CT, while the participants of the control group received a "magic mouthwash" formula. The primary outcome of this study was the incidence and severity of CT-induced OM in terms of erythema and ulcer. The secondary outcomes were the pain severity score, swallowing function, and the salivary concentrations of interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α). Results NS oil mouth rinse attenuated the progression of CT-induced OM compared with the control formula (AUC = 5.9 vs. 38.4, P < 0.05) and significantly decreased the erythema and ulceration scores (AUC of total OMAS = 11.4 vs. 85.9, P < 0.001) compared with the magic mouthwash formula. It also reduced the pain score and enabled all the participants of this group to consume normal food during treatment. It significantly decreased salivary IL-6 (AUC = 7376 vs. 16599, P < 0.001), while the changes of TNF-α levels were not significant (AUC = 676.9 vs. 885.2, P > 0.05). Conclusions NS oil mouth rinse is effective in attenuating the severity of CT-induced OM and improves the pain and swallowing function in AML patients.
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Abstract
Dentists and dental care professionals have a key role to play in the journey of the mouth cancer patient. Involved in the prevention, diagnosis and delivery of oral healthcare before, during and following mouth cancer treatment, dental professionals are essential to the delivery of patient care. This article will explore and consider the priorities of dental pre-assessment and the subsequent delivery of oral healthcare in the context of the different oncology treatment strategies utilised and in end-of-life care. The significant side effects of radiotherapy will be reviewed and clinical dental considerations presented using the existing evidence base and available guidelines. Ensuring mouth cancer does not result in dental disease is an important role for all members of the dental community.
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Nutritional experiences in head and neck cancer patients. Eur J Cancer Care (Engl) 2019; 28:e13168. [PMID: 31571296 DOI: 10.1111/ecc.13168] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 04/23/2019] [Accepted: 09/04/2019] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Extensive research has documented the negative nutritional impact of head neck cancer (HNC) treatment, but few studies have addressed the patients' experiences. The purpose of this study was to describe how patients with HNC experience the nutritional situation and perceive nutritional support from diagnosis to the post-treatment phase. METHODS Patients with HNC were recruited from a randomised pilot study. Individual interviews were conducted after radiotherapy with 10 participants aged 49 - 70 years and analysed by qualitative content analysis. RESULTS Undergoing surgery was experienced as a poor nutritional starting point for the upcoming radiotherapy. During radiotherapy, increasing side effects made the participants customise their meals to improve food intake. About halfway through radiotherapy, virtually no food intake was experienced and hospital admissions and initiations of tube-feeding occurred in this period. Oral nutritional supplements were recommended for all, but eventually became unbearable to ingest. When radiotherapy was finally completed, the participants felt discouraged about the persistent side effects preventing them from resume eating. The participants missed tailored information about development of side effects and involvement of a dietitian when reflecting on the treatment-period. CONCLUSION The comprehensive nutritional problems experienced by patients with HNC require early nutritional assessments and improved individually tailored nutritional support.
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Quality Assessment in Supportive Care in Head and Neck Cancer. Front Oncol 2019; 9:926. [PMID: 31620372 PMCID: PMC6759470 DOI: 10.3389/fonc.2019.00926] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 09/04/2019] [Indexed: 01/03/2023] Open
Abstract
Quality assessment is a key issue in every clinical intervention, to be periodically performed so to measure the adherence to standard and to possibly implement strategies to improve its performance. This topic is rarely discussed for what concerns supportive care; however, it is necessary to verify the quality of the supportive measures; “supportive care makes excellent cancer care possible,” as stated by the Multinational Association of Supportive Care in Cancer (MASCC). In this regard, the quality of supportive care in head and neck cancer patients is a crucial topic, both to allow administration of treatments according to planned dose intensity or surgical indications and to maintain or improve patients' quality of life. This paper aims to provide insight on state of the art supportive care and its future developments for locally advanced and recurrent/metastatic head and neck cancer, with a focus on quality assessment in relation to surgery, radiotherapy, and systemic therapy.
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NMR-based metabolomics in real-time monitoring of treatment induced toxicity and cachexia in head and neck cancer: a method for early detection of high risk patients. Metabolomics 2019; 15:110. [PMID: 31420744 PMCID: PMC6697714 DOI: 10.1007/s11306-019-1576-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 08/09/2019] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Nutritional treatment in head and neck squamous cell carcinoma cancer (HNSCC) patients undergoing radio-/chemo-radiotherapy (RT/CHRT) is complex and requires a multidisciplinary approach. In this study the real-time dynamic changes in serum metabolome during RT/CHRT in HNSCC patients were monitored using NMR-based metabolomics. OBJECTIVES The main goal was to find the metabolic markers that could help prevent of acute radiation sequelae (ARS) escalation. METHODS 170 HNSCC patients were treated radically with RT/CHRT. Blood samples were collected weekly, starting from the day before the treatment and stopping within the week after the RT/CHRT completion, resulting in a total number of 1328 samples. 1H NMR spectra were acquired on Bruker 400 MHz spectrometer at 310 K and analyzed using principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA). Additional statistical analyses were performed on the quantified metabolites. RESULTS PCA has detected a group of distinct outliers corresponding to ketone bodies (3HB, Ace, AceAce). These outliers were found to identify the individuals at high risk of weight loss, mainly by the 3HB changes, which was confirmed by the patients' medical data. In the OPLS-DA models a transition from the lowest to the highest weight loss is seen, defining the metabolic time trajectories for the patients from the studied groups during RT/CHRT. 3HB is a relatively sensitive marker that allows earlier identification of the patients at higher risk of > 10% weight loss. CONCLUSION Our findings indicate that metabolic alterations, characteristic for malnutrition or cachexia, can be detected already at the beginning of the treatment, making it possible to monitor the patients with a higher risk of weight loss.
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Radiation-induced Oral Mucositis in Brazilian Patients: Prevalence and Associated Factors. In Vivo 2019; 33:605-609. [PMID: 30804148 DOI: 10.21873/invivo.11517] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 12/27/2018] [Accepted: 01/07/2019] [Indexed: 02/05/2023]
Abstract
Aim: To determine the prevalence of radiation-induced oral mucositis (OM) and associated factors. PATIENTS AND METHODS A cross-sectional retrospective study was performed at a reference dental care center. The medical records of patients submitted to radiotherapy for the treatment of head and neck cancer were used to collect clinical and demographic variables. The data were submitted to descriptive analysis and multivariate Poisson regression with robust variance [p<0.05; 95% confidence intervaI (CI)]. RESULTS Four hundred and thirteen patients were analyzed. The mean age was 55±14 years. The prevalence of OM in the overall sample was 41.9% and was higher among males (78.2%). The following variables were significantly associated with the outcome: radiation dose [prevalence ratio (PR)= 1.04; 95% CI=1.02-1.06]; concomitant chemotherapy (PR=1.48, 95% CI=1.05-2.08); oral candidiasis (PR=1.97, 95% CI=1.44-2.68); and osteoradionecrosis (PR=1.51, 95% CI=1.10-2.06). CONCLUSION Radiation-induced OM was associated with radiation dose, concomitant chemotherapy, oral candidiasis and osteoradionecrosis. The rate of OM underscores the importance of adequate oral care prior to treatment for head and neck cancer.
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Low-level laser therapy in treatment of chemoradiotherapy-induced mucositis in head and neck cancer: results of a randomised, triple blind, multicentre phase III trial. Radiat Oncol 2019; 14:83. [PMID: 31118057 PMCID: PMC6530019 DOI: 10.1186/s13014-019-1292-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Accepted: 05/08/2019] [Indexed: 12/27/2022] Open
Abstract
Background Low-level laser therapy (LLLT) also called Photobiomodulation therapy (PBMT) could reduce oral mucositis (OM) incidence and severity in head and neck cancer patients treated by chemoradiotherapy, however randomised data about efficacy and safety are missing with curative dose 4 J/cm2. Methods This phase III trial was conducted in patients with oral cavity, or oro/hypopharyngeal cancers (stage III or IV). Patients were treated by lasertherapy on OM lesions grade ≥ 2 (4 J/cm2 or placebo), during chemoradiotherapy and until recovery. Severity of OM (incidence and duration of grades ≥3) was used as primary endpoint and blindly assessed. Results Among 97 randomised patients, 83 patients (85.6%) could be assessed finally (erroneous inclusions, chemoradiotherapy interruptions) and 32 patients had no lasertherapy because of unreachable OM lesions. Randomisation and population characteristics (sex ratio, age, chemoradiotherapy procedures, toxicities incidence) were still comparable between the two LLLT/PBMT groups. An acute OM (grade ≥ 3) was observed in 41 patients (49.4%): 23 patients (54.8%) of the active laser group versus 18 (43.9%) in the control group (modified intend to treat, p = 0.32). Median time before occurrence of OM ≥ grade 3 in half of the patients was 8 weeks in active laser group (vs. 9 weeks in control group). However, 95% of patients exhibited a very good tolerance of LLLT/PBMT. Conclusions This study assessed LLLT/PBMT according to the Multinational Association of Supportive care in Cancer recommendations but lacked power. LLLT/PBMT was well tolerated with a good safety profile, which promotes its use in clinical routine for severe OM treatment. Trial registration ClinicalTrials.gov Identifier: NCT01772706. Title: Laser Mucite ORL: Effectiveness of Laser Therapy for Mucositis Induced by a Radio-chemotherapy in Head and Neck Cancer (LaserMucite). Study Start Date: October 2008. Primary Completion Date: October 2016. Responsible Party: Institut de Cancérologie de l’Ouest – Paul Papin. Principal Investigator: Eric Jadaud, M.D., Institut de Cancérologie de l’Ouest – Paul Papin. Funding: French Ministry of Health, French national funding scheme (PHRC 2008).
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Intensity modulated radiation therapy and oral mucosa sparing in Head and neck cancer patients: A systematic review on behalf of Italian Association of Radiation Oncology - Head and neck working group. Crit Rev Oncol Hematol 2019; 139:24-30. [PMID: 31112879 DOI: 10.1016/j.critrevonc.2019.04.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/20/2019] [Accepted: 04/23/2019] [Indexed: 10/26/2022] Open
Abstract
Oral mucositis is a common dose-limiting toxicity during radiotherapy with or without chemotherapy in head and neck cancer patients. This potentially severe complication globally worsens quality of life and negatively impacts local control and survival's outcomes. Several studies have been published on feasibility and/or clinical benefit of intensity modulated radiotherapy (IMRT) mucosa-sparing technique. In 2017, the Italian Association of Radiation Oncology Head and Neck Cancer Working Group organized a study group to perform a systematic review. The aim was to verify if practical indications, including dose-constraints and demonstrated clinical benefit, could be proposed for oral mucosa (OM)-sparing IMRT in order to reduce the incidence of severe acute mucositis. Although dose to OM should be reduced as much as possible without compromising target volumes coverage, it is still tricky to firmly state that OM-sparing procedure should be considered the standard of care, especially due to high subjective variability in OM contour.
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