Real world evidence for use of NACT in locally advanced external auditory canal cancer.

Authors

null

Rahul Kumar Rai

Tata Memorial Hospital, Mumbai, India

Rahul Kumar Rai , Vijay Maruti Patil , Vanita Noronha , Nandini Sharrel Menon , Saswata Saha , Mitali Alone , P. S. Pai , Sarbani Laskar , Kumar Prabhash

Organizations

Tata Memorial Hospital, Mumbai, India, Tata Memorial Centre, Mumbai, India, Tata Memorial Hospital Mumbai, Mumbai, India

Research Funding

No funding received

Background: The management of very locally advanced external auditory canal cancers (LAEACC) is complicated, has a dismal prognosis and there is limited literature available for guidance. At our institute, we have offered neoadjuvant chemotherapy (NACT) to such patients. The objective of the current analysis was to study the outcomes and adverse events with this approach. Methods: We identified 16 patients with LAEACC over a period of 10 years (2010-2020) from the neoadjuvant chemotherapy (NACT) database of the Head and Neck department at our hospital. All patients were seen in a multidisciplinary clinic before and after NACT. Further local therapy was planned as per the response and ECOG PS of the patient. SPSS version 20 was used for analysis. Descriptive statistics were performed and Kaplan-Meier analysis was done to evaluate overall survival and progression-free survival. Results: Out of 16 patients enrolled in the study, 14 patients eventually received NACT. The median age was 59.5 years (27 - 83), the male to female ratio was 7:1 and the ECOG PS was 0-1 in 14 (87.5%) and PS 2 in rest. The regimen offered was a 2 drug regimen of taxane and platinum in 11 patients and a 3 drug regimen of TPF in (7.14%) patients. The median cycle received was 2. Post NACT 6 (42.85%) patients underwent surgery, 5 (35.71%) received radical CTRT and 3 (21.42%) patients received palliative treatment. The median progression-free survival was 1.67 years [95% CI (0.364 - 6.175)] while the median overall survival was 2.0 years [95% CI (0.455 - 6.175)]. Conclusions: Locally advanced EACC where upfront surgery is not feasible, NACT can be considered an option as patients receiving NACT have a 44.44% response rate and surgical resection rate of 42.8%.

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Abstract Details

Meeting

2022 ASCO Annual Meeting

Session Type

Publication Only

Session Title

Head and Neck Cancer

Track

Head and Neck Cancer

Sub Track

Advanced/Metastatic Disease

Citation

J Clin Oncol 40, 2022 (suppl 16; abstr e18000)

DOI

10.1200/JCO.2022.40.16_suppl.e18000

Abstract #

e18000

Abstract Disclosures