Radiation Therapy for Oropharyngeal Squamous Cell Carcinoma: American Society of Clinical Oncology Endorsement of the American Society for Radiation Oncology Evidence-Based Clinical Practice Guideline. Journal of clinical oncology : official journal of the American Society of Clinical Oncology Quon, H., Vapiwala, N., Forastiere, A., Kennedy, E. B., Adelstein, D. J., Boykin, H., Califano, J. A., Holsinger, F. C., Nussenbaum, B., Rosenthal, D. I., Siu, L. L., Waldron, J. N. 2017: JCO2017738633


Purpose The American Society for Radiation Oncology (ASTRO) produced an evidence-based guideline on radiation therapy in oropharyngeal squamous cell carcinoma (OPSCC) that was determined to be relevant to the American Society of Clinical Oncology (ASCO) membership. After applying standard critical appraisal policy and endorsement procedures, ASCO chose to endorse the ASTRO guideline. Methods The ASTRO guideline was reviewed by ASCO content experts for clinical accuracy and by ASCO methodologists for developmental rigor. On favorable review, an ASCO Expert Panel was convened to review the guideline contents and recommendations. The ASCO guideline approval body, the Clinical Practice Guidelines Committee, approved the final endorsement. Results The ASCO Expert Panel determined that the ASTRO guideline recommendations, published in July 2017, are clear, thorough, and based upon the most relevant scientific evidence. ASCO endorsed the ASTRO guideline and added minor qualifying statements. Recommendations Recommendations for the addition of systemic therapy to definitive radiotherapy in the treatment of OPSCC, postoperative radiotherapy with and without systemic therapy following primary surgery of OPSCC, induction chemotherapy in the treatment of OPSCC, and the appropriate dose, fractionation, and volume regimens with and without systemic therapy in the treatment of OPSCC are outlined for a variety of disease stages and clinical scenarios. ASCO Endorsement Panel qualifying statements and minor modifications were made to the ASTRO recommendations. The staging system that is referenced in these guidelines is the American Joint Committee on Cancer Staging Manual, 7th edition. Additional information is available at: www.asco.org/head-neck-cancer-guidelines and www.asco.org/guidelineswiki .

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