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Sequential chemoradiation in locally advanced head and neck cancer after induction chemotherapy: an induction chemotherapy schedule more suited to a limited resource setting.

ABSTRACT: In our experience, induction docetaxel, platinum, and fluorouracil (TPF) chemotherapy and sequential chemoradiation in locally advanced head and neck cancer lowers compliance owing to their considerable toxicity. Most of our head and neck cancer patients have locally advanced disease at presentation. Physicians frequently prefer paclitaxel-cisplatin induction chemotherapy instead, because of better patient tolerance.A total of 207 locally advanced head and neck cancer patients receiving paclitaxel and cisplatin prior to chemoradiation from November 2010 to October 2013 were studied retrospectively. Parameters like febrile neutropaenia, treatment compliance, and response rates were compared to our institutional retrospective data with TPF chemotherapy. Response was assessed by Response Evaluation Criteria in Solid Tumours (Recist) version 1.1. Toxicity was assessed by Common Terminology Criteria for Adverse Events (CTCAE) version 4.0 during chemotherapy. Radiation Therapy Oncology Group (RTOG) acute toxicity criteria were used for assessment during chemoradiation.Febrile neutropaenia with paclitaxel- cisplatin was significantly lower 3.4% (7/207) versus 44.5% (73/164) with TPF chemotherapy (two-tailed P value < 0.0001). A 95.7 % (198/207) paclitaxel-cisplatin patients completed chemoradiation versus 87% with TPF. The difference was significant (two-tailed P value = 0.0070). Response rate at treatment completion with paclitaxel -cisplatin was 89.7% versus 88% with TPF chemotherapy. No significant differences were observed (two-tailed P value = 0.7007).Induction paclitaxel and cisplatin with sequential chemoradiation in locally advanced head and neck cancer is more suitable in a limited resource setting. Lower toxicity, better compliance, and comparable response are encouraging in our study cohort.

SUBMITTER: Gangopadhyay A

PROVIDER: S-EPMC4462885 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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Sequential chemoradiation in locally advanced head and neck cancer after induction chemotherapy: an induction chemotherapy schedule more suited to a limited resource setting.

Gangopadhyay Aparna A Nath Partha P Biswas Jaydip J

Ecancermedicalscience 20150604

<h4>Background</h4>In our experience, induction docetaxel, platinum, and fluorouracil (TPF) chemotherapy and sequential chemoradiation in locally advanced head and neck cancer lowers compliance owing to their considerable toxicity. Most of our head and neck cancer patients have locally advanced disease at presentation. Physicians frequently prefer paclitaxel-cisplatin induction chemotherapy instead, because of better patient tolerance.<h4>Materials and methods</h4>A total of 207 locally advanced ...[more]

PMID: 26082800

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Project description:PurposeConcurrent chemo radiotherapy (CCRT) has been the standard of care in locally advanced nasopharyngeal carcinoma (LA-NPC) for many years. The role of induction chemotherapy (ICT) has always been controversial. This systematic review and meta-analysis investigates the value of adding ICT to CCRT in LA-NPC.Materials and methodsTwo reviewers independently assessed the eligibility of randomized controlled trials (RCTs) comparing ICT followed by CCRT versus CCRT alone, including treatment-naive adult patients with histologically proven nonmetastatic LA-NPC.ResultsEight RCTs with in total 2,384 randomized patients, of whom 69% had N2-N3 disease, were selected. ICT was the allocated treatment in 1,200 patients, of whom 1,161 actually received this. Treatment compliance varied, with a median rate of 92% (range, 86%-100%) of patients receiving all cycles of ICT. The percentage of patients completing radiotherapy was 96% and 95% [(Combined Risk difference(CRD)= 0.004; 95% Confidence Interval (CI) -0.001-0.01; p = 0.14)] in the ICT group and CCRT group, respectively, whereas chemotherapy during radiotherapy could be completed in only 28% of the ICT group versus 61% in the CCRT group (CRD, -0.243; 95% CI, -0.403 to -0.083; p = .003). Grade 3-4 acute toxicity was mostly hematologic during the ICT phase (496 events vs. 191 nonhematologic) and was predominant in the ICT group (1,596 events vs. 1,073 in the CCRT alone group) during the CCRT. Adding ICT to CCRT provided a significant benefit in overall survival (hazard ratio [HR], 0.680; 95% CI, 0.511-0.905; p = .001) and progression-free survival (HR, 0.657; 95% CI, 0.568-0.760; p < .001).ConclusionAlthough ICT followed by CCRT is associated with more acute toxicity and a lower compliance of the chemotherapy during the CCRT phase, this association resulted in a clinically meaningful survival benefit. ICT should be considered as a standard option in patients with LA-NPC, but further study on optimal patient selection for this treatment is warranted.Implications for practiceLocally advanced nasopharyngeal carcinoma (LA-NPC) is a relatively common disease in some parts of the world, with a rather poor prognosis due to its high metastatic potential. The role of induction chemotherapy (ICT) has always been controversial. This meta-analysis found that ICT followed by concurrent chemoradiotherapy (CCRT) in LA-NPC is associated with a significant clinical improvement in both overall survival and progression-free survival compared with CCRT alone. ICT should be considered as a standard option in patients with LA-NPC.

Project description:BackgroundWorld Health Organization guidelines now recommend routine use of viral load testing, where available, for patients receiving antiretroviral treatment (ART). However, its use has not been routinely implemented in many resource-limited settings due to cost, availability and accessibility. Viral load testing is complex, making its application in resource-limited settings challenging. We describe the issues encountered by Médecins Sans Frontières (MSF) when using routine viral load testing in a large HIV programme in sub-Saharan Africa.MethodsBetween October 2005 and August 2006, more than 1200 patients on ART had viral load tests at baseline and at three-month intervals performed by a local reference laboratory that was quality assured by an experienced international institution. Concerns with reliability of results halted testing. The quality control measures instituted with a second laboratory and outcomes of these were documented.ResultsIn 2005 and 2006, only 178 of 334 (53%) previously ART-naïve patients tested after six to 12 months of treatment had viral loads of less than 1000 copies/mL. Similar MSF programmes elsewhere demonstrated virological suppression rates of more than 85%, and duplicate testing showed unacceptable discordance. Laboratory problems encountered included: disregarded quality control; time delays; requirement for retesting; and duplicate sample variations. Potentially harmful clinical outcomes of inaccurate viral load results include: unnecessary ART regimen changes; unnecessary enhanced adherence counselling after "false failures"; and undetected virological failure.ConclusionsViral load testing performed without rigorous quality control carries the risk of erroneous and potentially damaging results. Viral load testing should be utilized only if robust quality assurance has been implemented. Our experience in this and other settings led to the development of a guide for assessing the suitability of a laboratory for viral load testing that can be used to help achieve reliable results.

Dataset Information

Sequential chemoradiation in locally advanced head and neck cancer after induction chemotherapy: an induction chemotherapy schedule more suited to a limited resource setting.

Publications

Sequential chemoradiation in locally advanced head and neck cancer after induction chemotherapy: an induction chemotherapy schedule more suited to a limited resource setting.

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