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Large German Multicenter Experience on the Treatment Outcome of 207 Patients with Adenoid Cystic Carcinoma of the Major Salivary Glands
Abstract: Introdution: We aimed to evaluate treatment outcome of combined radiotherapy (RT) including photon intensity modulated radiotherapy (IMRT) and carbon ion boost for adenoid cystic carcinomas (ACCs) of the major salivary glands, the currently available largest German collective for this cohort. Materials and Methods: Overall, 207 patients who were irradiated with combined RT between 2009 and 2019 at Heidelberg University Hospital were analyzed retrospectively for local control (LC), progression-free survival (PFS) and overall survival (OS) using Kaplan-Meier estimates. The majority of patients received postoperative RT (n=176/207, 85%) after previous surgery in large German hospitals...
Advances in Radiotherapy for Head and Neck Cancer
Modern Radiotherapy (RT) plays a key role in the management of Head and Neck Cancer (HNC). More precise delivery techniques, advanced image-guidance, and adaptive treatments characterize modern RT, enabling safer treatments with enhanced therapeutic window. Although patients identify the cure as their most important treatment outcome, complications related to treatment are a recognized problem as follow-up increases among those cured within this oncologic setting. This is particularly relevant for HPV-related oropharyngeal cancer (OPSCC), as these patients are younger, healthier, and more reactive to treatment. Thus, given the longer life expectancy, the jeopardizing impact of side effects on quality of life (QoL) and psychosocial functioning represent a forefront topic for HNC Researchers. De-escalation protocols have been developed recently, and, although not definitive, evidence is growing. This pertains particularly, but not exclusively, to HPV-related OPSCC.
Data-Based Radiation Oncology – Design of Clinical Trials
In radiation oncology as in many other specialties clinical trials are essential to investigate new therapy approaches. Usually, preparation for a prospective clinical trial is extremely time consuming until ethics approval is obtained. To test a new treatment usually many years pass before it can be implemented in the routine care. During that time, already new interventions emerge, new drugs appear on the market, technical & physical innovations are being implemented, novel biology driven concepts are translated into clinical approaches while we are still investigating the ones from years ago. Another problem is associated with molecular diagnostics and the growing amount of tumor specific...
