Dose intensity comparison between weekly and 3-weekly Cisplatin delivered concurrently with radical radiotherapy for head and neck cancer: A retrospective comparison from New Cross Hospital, Wolverhampton, UK
Open Access
- 1 January 2008
- journal article
- research article
- Published by Medical Journals Sweden AB in Acta Oncologica
- Vol. 47 (8), 1513-1518
- https://doi.org/10.1080/02841860701846160
Abstract
Aims. In this retrospective comparison, we describe the differences in dose intensity, delays and toxicity between weekly Cisplatin and 3-weekly Cisplatin given concurrently to patients with locally advanced squamous head and neck cancer (SCCHN) at New Cross Hospital, Wolverhampton. Materials and methods. Fifty-one patients received radical Cisplatin based chemoradiotherapy for stage 4a SCCHN of the head and neck between September 2000 and December 2004. Twenty-seven patients were treated with 3-weekly inpatient Cisplatin for 3 cycles (20 patients-80 mg/m2; 7 patients-100 mg/m2) concomitantly with radiotherapy (66–70 Gy/33–35 fractions). Twenty-four patients received a similar radiotherapy schedule but received weekly Cisplatin 33–40 mg/m2. Results. More patients received a higher cumulative dose of at least 240 mg/m2 if given weekly Cisplatin 40 mg/m2 or 3-weekly Cisplatin 80 mg/m2 compared with those receiving Cisplatin 3-weekly 100 mg/m2 (p=0.04). Maximum cumulative dose achievable in the latter group was only 200 mg/m2 and none achieved the full 3 cycles. Mean Cisplatin dose in the weekly Cisplatin 40 mg/m2 regime (mean 202 mg/m2) and 3-weekly arm of 80 mg/m2 (mean 203 mg/m2) was higher than that reached if given 3-weekly Cisplatin 100 mg/m2 (mean 180 mg/m2) although statistically insignificant (p=0.39) due to the small number of patients. More delays (29% vs. 41%) and omission of chemotherapy (5.6% vs. 17.4%) occurred in the 3-weekly compared with the weekly regime. Toxicity, radiotherapy overall treatment time and delays were similar between the two groups. Conclusion. Delivery of 100 mg/m2 Cisplatin 3-weekly with radiotherapy was less tolerated than 40 mg/m2 weekly and resulted in less patients achieving cumulative dose beyond 200 mg/m2, potentially lowering chemotherapy dose intensity.Keywords
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