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Efficacy of induction selection chemotherapy vs primary surgery for patients with advanced oral cavity carcinoma.

ABSTRACT: The University of Michigan has investigated the use of induction selection (IS) with chemoradiotherapy (CRT) for patients who respond to CRT and found this approach effective in the management of advanced laryngeal cancer. The IS approach was extended to oral cavity squamous cell carcinoma (OCSCC) to help understand whether organ preservation or survival benefit resulted.To evaluate the efficacy of an IS protocol vs primary surgical extirpation and selective postoperative radiotherapy for advanced OCSCC.Retrospective matched cohort study at a tertiary care hospital.Nineteen patients with resectable stages III and IV OCSCC were enrolled into a phase 2 IS trial. Patients with a response of at least 50% underwent concurrent CRT; those with a response of less than 50% underwent surgical treatment and radiotherapy. A comparison cohort of patients treated with primary surgical extirpation during a similar time period was frequency matched for inclusion criteria and patient characteristics to those patients included from the phase 2 IS trial. No difference was noted in age, sex, pretreatment American Joint Committee on Cancer stage, T and N classifications, smoking status, alcohol consumption, or tumor subsite between the IS and surgical cohorts. Median follow-up was 9.4 years in the IS cohort and 7.1 years in the surgical cohort.Induction selection and CRT vs primary surgical extirpation with or without postoperative radiotherapy.Overall and disease-specific survival and locoregional control.The Kaplan-Meier estimate for overall survival at 5 years was 32% in the IS cohort and 65% in the surgical cohort. The Kaplan-Meier estimate for disease-specific survival at 5 years was 46% in the IS cohort and 75% in the surgical cohort. The Kaplan-Meier estimate for locoregional control at 5 years was 26% in the IS cohort and 72% in the surgical cohort. Multivariable analysis demonstrated significantly better overall and disease-specific survival and locoregional control outcomes (P?=?.03, P?=?.001, and P?

SUBMITTER: Chinn SB

PROVIDER: S-EPMC4103099 | biostudies-literature | 2014 Feb

REPOSITORIES: biostudies-literature

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Efficacy of induction selection chemotherapy vs primary surgery for patients with advanced oral cavity carcinoma.

Chinn Steven B SB Spector Matthew E ME Bellile Emily L EL Rozek Laura S LS Lin Tasha T Teknos Theodoros N TN Prince Mark E ME Bradford Carol R CR Urba Susan G SG Carey Thomas E TE Eisbruch Avraham A Wolf Gregory T GT Worden Francis P FP Chepeha Douglas B DB

JAMA otolaryngology-- head & neck surgery 20140201 2

<h4>Importance</h4>The University of Michigan has investigated the use of induction selection (IS) with chemoradiotherapy (CRT) for patients who respond to CRT and found this approach effective in the management of advanced laryngeal cancer. The IS approach was extended to oral cavity squamous cell carcinoma (OCSCC) to help understand whether organ preservation or survival benefit resulted.<h4>Objective</h4>To evaluate the efficacy of an IS protocol vs primary surgical extirpation and selective ...[more]

PMID: 24370563

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Project description:Background: Head and Neck Cancer is a major public health problem in India, majority of which are lifestyle related, male predominant requiring dedicated infrastructure and human resource. The 5-year survival is 59% for all stages combined and only 45% in patients with locally advanced inoperable head and neck cancer using current chemoradiation schedules. Chemotherapy agents administered in the induction or concurrent setting comprise of taxanes (Docetaxel, paclitaxel), platinum compounds (Cisplatin, carboplatin) and fluorouracil (TPF). For patients with advanced Head and neck squamous cell carcinoma (HNSCC), 3-weekly TPF regimen is the established standard induction chemotherapy (ICT) option based on overall survival benefit. However, TPF regimen is known to be associated with significant dose limiting toxicities which may impair tolerance and effectiveness of therapy. In this study we assessed the efficacy and toxicity of weekly vs. 3-weekly Docetaxel, Cisplatin, and Fluoro-uracil (TPF) induction chemotherapy in locally advanced Head and neck squamous cell carcinoma (LA-HNSCC). Methods: This was an open labeled randomized two arm study with 41 patients in the 3-weekly TPF arm and 41 patients in the weekly arm. Patients were randomized using numbers from a randomization software, data recorded, and results were analyzed. Results: The weekly group achieved far greater symptom relief than 3-weekly group (72 vs. 64%). The overall response rates were similar in both arms (ORR 75.6 and 73.1% in the weekly and 3-weekly groups, respectively). Renal toxicity was significantly lower in the weekly group as compared to 3 weekly arm post three cycles of chemotherapy (CrCl 91.49 ml/min vs. 76.67 ml/min, respectively). The weekly group had predominantly grade I and II neutropenia (19.5 and 17.1%, respectively) as compared to 3-weekly group where grade III and IV neutropenia (31 and 12%, respectively) was more prominent (p-0.003). Among non-hematological toxicities, mucositis, nausea/vomiting, and diarrhea in the weekly group were significantly lower when compared to 3-weekly group. Progression free survival was slightly higher in the weekly group (18 months) when compared to 3-weekly group (15 months) which was not statistically significant. Conclusion: Weekly induction with TPF had lower toxicity and similar efficacy as compared to 3-weekly regimen in locally advanced HNSCC patients. Myelosuppression, which was the most serious and common complication of 3-weekly TPF regimens was notably low using the weekly regimen. Our results suggest that weekly TPF regimen may be a safer and effective alternative to 3-weekly TPF for treatment of LA-HNSCC. To our knowledge this is the first study reporting the efficacy of weekly TPF regimen in LA-HNSCC till date.

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Efficacy of induction selection chemotherapy vs primary surgery for patients with advanced oral cavity carcinoma.

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Efficacy of induction selection chemotherapy vs primary surgery for patients with advanced oral cavity carcinoma.

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