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Long-term outcomes after multidisciplinary management of T3 laryngeal squamous cell carcinomas: Improved functional outcomes and survival with modern therapeutic approaches.

ABSTRACT: BACKGROUND:The purpose of this study was to evaluate the long-term outcomes after initial definitive or adjuvant radiotherapy (RT) for T3 laryngeal cancers. METHODS:We reviewed 412 patients treated for T3 laryngeal squamous cell cancer from 1985 to 2011. RESULTS:The 10-year overall survival (OS) was 35%; disease-specific-survival (DSS) was 61%; locoregional control was 76%; and freedom from distant metastasis was 83%. Chemotherapy, age, performance status <2, node-negative status, and glottic subsite were associated with improved survival (all p < .03). Larynx preservation with induction and/or concurrent chemoradiotherapy (LP-CRT) had better laryngectomy-free survival than RT alone (LP-RT; hazard ratio [HR] = 0.62; 95% confidence interval [CI] = 0.47-0.81; p = .0005); 10-year laryngectomy-free survival rates of the LP-CRT cohort (37%) were higher than those of the LP-RT cohort (18%). The 5-year DSS and OS rates of the LP-CRT cohort (79% and 67%) were better after total laryngectomy with postoperative RT (TL-PORT; 61% and 50%) and LP-RT (64% and 46%; p < .006 for all). CONCLUSION:In patients with T3 laryngeal cancers, LP-CRT provides better functional, oncologic, and survival outcomes than historical TL-PORT or LP-RT does. © 2016 Wiley Periodicals, Inc. Head Neck 38: 1739-1751, 2016.

SUBMITTER: Fuller CD

PROVIDER: S-EPMC5539952 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Long-term outcomes after multidisciplinary management of T3 laryngeal squamous cell carcinomas: Improved functional outcomes and survival with modern therapeutic approaches.

Fuller Clifton D CD Mohamed Abdallah S R AS Garden Adam S AS Gunn G Brandon GB Mulcahy Collin F CF Zafereo Mark M Phan Jack J Lai Stephen Y SY Lewin Jan S JS Hutcheson Katherine A KA Frank Steven J SJ Beadle Beth M BM Morrison William H WH El-Naggar Adel K AK Kocak-Uzel Esengul E Ginsberg Lawrence E LE Kies Merril S MS Weber Randal S RS Rosenthal David I DI

Head & neck 20160728 12

<h4>Background</h4>The purpose of this study was to evaluate the long-term outcomes after initial definitive or adjuvant radiotherapy (RT) for T3 laryngeal cancers.<h4>Methods</h4>We reviewed 412 patients treated for T3 laryngeal squamous cell cancer from 1985 to 2011.<h4>Results</h4>The 10-year overall survival (OS) was 35%; disease-specific-survival (DSS) was 61%; locoregional control was 76%; and freedom from distant metastasis was 83%. Chemotherapy, age, performance status <2, node-negative ...[more]

PMID: 27466789

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Project description:Abnormal expression of non-coding circular RNAs (circRNAs) have been reported in many types of tumors. circRNA have been suggested to be an ideal candidate biomarker for diagnostic and therapeutic implications in cancers. The aim of this study was to assess the circRNA expression profile of laryngeal squamous cell carcinomas (LSCC). The biopsy samples from patients with LSCC were obtained intra-operatively. The circRNA expression was performed using secondary sequencing. Among 10 patients with LSCC, 2 were well differentiated, 3 were moderately differentiated and 5 were adjunctive samples with normal and LSCC tissues. A total of 21,444 distinct circRNA candidates were detected. Among them, we defined the statistical criteria for selecting aberrant-expressed circRNA using a q-value of < 0.001 with a fold change of > 2.0 or < 0.5. A total of 29 circRNA were upregulated and 19 circRNA were downregulated significantly in the LSCC tissues. The intersection of these dysregulated circRNAs of normal-well differentiated set and normal-moderately differentiated set was then assessed to narrow the upregulated and downregulated circRNAs down to 18 and 5 respectively. Furthermore, an association of the circRNA-miRNA-mRNA was investigated, showing that 20 dysregulated circRNA successfully predicted an interaction with several cancer-related miRNAs. Finally, a further KEGG analysis showed that PPAR, Axon guidance, Wnt and Cell cycle signaling pathway were key putative pathways in the process of LSCC. hsa_circ:chr20:31876585-31,897,648 was found to be able to differentiate most of LSCC from the matching normal tissues. This observational study demonstrated dysregulation of circRNA in LSCC, which may have an impact on development of potential biomarkers in this disease. Validation of down-regulation of hsa_circ:chr20:31876585-31,897,648 in LSCC compared to each adjunctive tissue by Q-RT-PCR, indicating that hsa_circ:chr20:31876585-31,897,648 may be a novel promising tumor suppresser in LSCC.

Project description:This is the official guideline endorsed by the specialty associations involved in the care of head and neck cancer patients in the UK. Significantly new data have been published on laryngeal cancer management since the last edition of the guidelines. This paper discusses the evidence base pertaining to the management of laryngeal cancer and provides updated recommendations on management for this group of patients receiving cancer care. Recommendations • Radiotherapy (RT) and transoral laser microsurgery (TLM) are accepted treatment options for T1a-T2a glottic carcinoma. (R) • Open partial surgery may have a role in the management of selected tumours. (R) • Radiotherapy, TLM and transoral robotic surgery are reasonable treatment options for T1-T2 supraglottic carcinoma. (R) • Supraglottic laryngectomy may have a role in the management of selected tumours. (R) • Most patients with T2b-T3 glottic cancers are suitable for non-surgical larynx preservation therapies. (R) • Concurrent chemoradiotherapy should be regarded as the standard of care for non-surgical management. (R) • Subject to the availability of appropriate surgical expertise and multi-disciplinary rehabilitation services, TLM or open partial surgical procedures ± post-operative RT, may be also be appropriate in selected cases. (R) • In the absence of clinical or radiological evidence of nodal disease, elective treatment (RT or surgery ± post-operative RT) is recommended to at least lymph node levels II, III and IV bilaterally. In node positive disease, it is recommended that lymph node levels II-V should be treated on the involved side. If level II nodes are involved, then elective irradiation of ipsilateral level Ib nodes may be considered. (R) • Most patients with T3 supraglottic cancers are suitable for non-surgical larynx preservation therapies. (R) • Concurrent chemoradiotherapy should be regarded as the standard of care for non-surgical management. (R) • Subject to the availability of appropriate surgical expertise and multi-disciplinary rehabilitation services, TLM or open partial surgical procedures ± post-operative RT, may also be appropriate in selected cases. (R) • In the absence of clinical or radiological evidence of nodal disease, elective treatment (RT or surgery ± post-operative RT) is recommended to at least lymph node levels II, III and IV bilaterally. In node positive disease, lymph node levels II-V should be treated on the involved side. (R) • As per the PET-Neck clinical trial, patients with N2 or N3 neck disease who undergo treatment with chemoradiotherapy to their laryngeal primary and experience a complete response with a subsequent negative post-treatment positron emission tomography combined with computed tomography (PET-CT) scan do not require an elective neck dissection. In contrast, patients who have a partial response to treatment or have increased uptake on a post-treatment PET-CT scan should have a neck dissection. (R) • Larynx preservation with concurrent chemoradiotherapy should be considered for T4 tumours, unless there is tumour invasion through cartilage into the soft tissues of the neck, in which case total laryngectomy yields better outcomes. (R) • In the absence of clinical or radiological evidence of nodal disease, elective treatment (RT or surgery ± post-operative RT) is recommended to bilateral lymph node levels II, III, IV, V and VI. (R).

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Long-term outcomes after multidisciplinary management of T3 laryngeal squamous cell carcinomas: Improved functional outcomes and survival with modern therapeutic approaches.

Publications

Long-term outcomes after multidisciplinary management of T3 laryngeal squamous cell carcinomas: Improved functional outcomes and survival with modern therapeutic approaches.

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