Indian Journal of Cancer 2017 54(1):35-38
OBJECTIVES: The present study aimed to investigate the efficacy, toxicity, and impact of induction chemotherapy (IC) in locally advanced T4b oral cavity squamous cell cancers (OSCCs). MATERIALS AND METHODS: Patients diagnosed with locally advanced T4b OSCC from January 2013 to October 2016 at our center, who received 2–3 cycles of IC and then assessed for resectability, were reviewed retrospectively. Patients' profile, response, and toxicity of IC, resectability status, and overall survival (OS) were evaluated. Statistical analyses were performed by SPSS software version 17. RESULTS: A total of 116 patients received IC, and out of them 90 (77.6%) were males. Median age at diagnosis was 43 years (range 31–62 years). Nearly 103 (88.8%) of our patients received doublet chemotherapy and the rest of the patients received triplet regimen. Majority of the patients had buccal mucosa cancers (71.6%), followed by gingivobuccal complex (21.6%) and oral tongue (6.9%) primaries. After IC, partial response was achieved in 20 (17.3%) patients, stable disease in 68 (58.6%) patients, and disease progression was noted in 28 (24.1%) patients. Post-IC, resectability was achieved in 22 (19%) of 116 patients, but 6 of them did not undergo surgery due to logistic and personal reasons. The median OS of patients who underwent surgery followed by adjuvant local therapy (n = 16) was 19.7 months (95% confidence interval [CI]: 16.0–22.8 months) and for those treated with nonsurgical local therapy (n = 100) was 7.1 months (95% CI: 5.8–8.2 months) (log-rank P = 0.000). CONCLUSIONS: IC had a manageable toxicity profile and achieved resectability in 19% of our patients with T4b OSCC. Patients underwent resection had a significantly better median OS than those who received nonsurgical local treatment.
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