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Int J Radiat Oncol Biol Phys. 2013 Apr 1;85(5):1282-8. doi: 10.1016/j.ijrobp.2012.11.006. Epub 2012 Dec 27.

Protons in head-and-neck cancer: bridging the gap of evidence.

Author information

  • 1Department of Health Services Research, School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands. bram.ramaekers@mumc.nl

Abstract

PURPOSE:

To use Normal Tissue Complication Probability (NTCP) models and comparative planning studies to explore the (cost-)effectiveness of swallowing sparing intensity modulated proton radiotherapy (IMPT) compared with swallowing sparing intensity modulated radiotherapy with photons (IMRT) in head and neck cancer (HNC).

METHODS AND MATERIALS:

A Markov model was constructed to examine and compare the costs and quality-adjusted life years (QALYs) of the following strategies: (1) IMPT for all patients; (2) IMRT for all patients; and (3) IMPT if efficient. The assumption of equal survival for IMPT and IMRT in the base case analysis was relaxed in a sensitivity analysis.

RESULTS:

Intensity modulated proton radiation therapy and IMRT for all patients yielded 6.620 and 6.520 QALYs and cost €50,989 and €41,038, respectively. Intensity modulated proton radiation therapy if efficient yielded 6.563 QALYs and cost €43,650. The incremental cost-effectiveness ratio of IMPT if efficient versus IMRT for all patients was €60,278 per QALY gained. In the sensitivity analysis, IMRT was more effective (0.967 QALYs) and less expensive (€8218) and thus dominated IMPT for all patients.

CONCLUSIONS:

Cost-effectiveness analysis based on normal tissue complication probability models and planning studies proved feasible and informative and enables the analysis of individualized strategies. The increased effectiveness of IMPT does not seem to outweigh the higher costs for all head-and-neck cancer patients. However, when assuming equal survival among both modalities, there seems to be value in identifying those patients for whom IMPT is cost-effective.

Copyright © 2013 Elsevier Inc. All rights reserved.

PMID:
23273998
[PubMed - indexed for MEDLINE]
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