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Phase II study of induction chemotherapy with docetaxel, cisplatin, 5-fluorouracil followed by radioimmunotherapy with cetuximab and intensity-modulated radiotherapy in combination with a carbon ion boost for locally advanced tumors of the oro-, hypopharynx and larynx.

ABSTRACT: Purpose:This phase II trial was designed to evaluate efficacy and safety of a highly intensified therapy in locally advanced squamous cell carcinoma of the oro-, hypopharynx and larynx. Methods:In this prospective, mono-centric, open-label, non-randomized phase II trial the single treatment arm consisted of a combined induction chemotherapy with docetaxel, cisplatin, 5-fluorouracil, followed by bioradiation with the monoclonal antibody cetuximab, carbon ion boost (24Gy(RBE) in 8 fractions) and IMRT (50?Gy in 25 fractions). The trial was closed early due to slow accrual. Results:Eight patients (median age 52.5?years) were enrolled into the trial. The median follow-up was 13?months and the 12-months locoregional tumor control, progression-free survival and overall survival rates were 100.0% each. Complete remission was achieved in 7 patients. The most commonly late radiation adverse event was xerostomia (85.7% at 12?months). Five serious adverse events with recovery were documented in 4 patients: mucositis grade 3 (n?=?2), decreased lymphocyte count grade 4, febrile neutropenia grade 4 and hypersensitivity grade 3 to cetuximab (n?=?1 each). Most symptom scales had their worst value at the last treatment day and recovered until the 4th follow-up visit. Conclusion:The study treatment was tolerable and promising. Reduced quality of life recovered for most aspects until the last follow-up visit.

SUBMITTER: Hauswald H

PROVIDER: S-EPMC6199783 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Phase II study of induction chemotherapy with docetaxel, cisplatin, 5-fluorouracil followed by radioimmunotherapy with cetuximab and intensity-modulated radiotherapy in combination with a carbon ion boost for locally advanced tumors of the oro-, hypopharynx and larynx.

Hauswald H H Jensen A D AD Krauss J J Haselmann R R Lossner K K Hartmann S S Windemuth-Kieselbach C C Münter M W MW Debus J J

Clinical and translational radiation oncology 20180921

<h4>Purpose</h4>This phase II trial was designed to evaluate efficacy and safety of a highly intensified therapy in locally advanced squamous cell carcinoma of the oro-, hypopharynx and larynx.<h4>Methods</h4>In this prospective, mono-centric, open-label, non-randomized phase II trial the single treatment arm consisted of a combined induction chemotherapy with docetaxel, cisplatin, 5-fluorouracil, followed by bioradiation with the monoclonal antibody cetuximab, carbon ion boost (24Gy(RBE) in 8 f ...[more]

PMID: 30370340

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Project description:ImportanceThe appropriate use of surgery or radiotherapy-based approaches for organ preservation has been the subject of much debate. Unfortunately, there has been a lack of improvement in overall survival for patients with laryngeal carcinoma in the last 30 years.ObjectiveTo assess the rates of laryngeal preservation and laryngectomy-free survival in patients receiving cetuximab and radiotherapy (CRT) and patients receiving radiotherapy alone.Design, setting, and participantsPatients were enrolled in a multicenter, open-label, stratified, randomized, phase 3 study from April 1, 1999, through March 31, 2002, from 73 centers in the United States and 14 other countries. A secondary subgroup analysis of patients with hypopharyngeal and laryngeal carcinoma was undertaken. Rates of laryngeal preservation and laryngectomy-free survival were estimated by the Kaplan-Meier method. The hazard ratios (HRs) were calculated using a Cox proportional hazards regression model. Quality of life was evaluated using the European Organization for Research and Treatment of Cancer core questionnaire and head and neck module.Main outcomes and measuresLaryngeal preservation and laryngectomy-free survival.ResultsOf the 424 patients included in the trial, 168 treated patients with cancer of the larynx or hypopharynx were included in this analysis (90 in the CRT group and 78 in the radiotherapy alone group). The median (range) age of the patients was 59 (40-80) years in the CRT group and 61 (35-81) years in the radiotherapy alone group. In the CRT group, 72 patients (80.0%) were male and 18 (20.0%) were female. In the radiotherapy alone group, 62 (79.5%) were male and 16 (20.5%) were female. The rates of laryngeal preservation at 2 years were 87.9% for CRT vs 85.7% for radiotherapy alone, with an HR of 0.57 (95% CI, 0.23-1.42; P = .22). Similarly, the HR for laryngectomy-free survival comparing CRT vs radiotherapy alone was 0.78 (95% CI, 0.54-1.11; P = .17). This study was not powered to assess organ preservation. Median overall survival was 27 (95% CI, 20-45) vs 21 (95% CI, 17-35) months for the CRT and radiotherapy alone groups, respectively, with an HR of 0.87 (95% CI, 0.60-1.27). No differences between treatments were reported regarding overall quality of life, need for a feeding tube, or speech.Conclusions and relevanceThe results of a possible cetuximab-related laryngeal preservation benefit for patients with hypopharyngeal or laryngeal cancer are intriguing; these results need to be interpreted in the context of a retrospective subset analysis with limited sample size.Trial registrationclinicaltrials.gov Identifier: NCT00004227.

Dataset Information

Phase II study of induction chemotherapy with docetaxel, cisplatin, 5-fluorouracil followed by radioimmunotherapy with cetuximab and intensity-modulated radiotherapy in combination with a carbon ion boost for locally advanced tumors of the oro-, hypopharynx and larynx.

Publications

Phase II study of induction chemotherapy with docetaxel, cisplatin, 5-fluorouracil followed by radioimmunotherapy with cetuximab and intensity-modulated radiotherapy in combination with a carbon ion boost for locally advanced tumors of the oro-, hypopharynx and larynx.

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