Systemic therapies for salivary gland cancer: Adenoid cystic carcinoma. REFCOR recommendations by the formal consensus method.

To determine the therapeutic indications for systemic medical treatment in the management of adenoid cystic carcinoma (ACC) according to the clinical situation. The French Network of Rare Head and Neck Tumors (REFCOR) formed a steering group, which drafted a narrative review of the literature published on Medline and proposed recommendations. The level of adherence to the recommendations was then assessed by a rating group, according to the formal consensus method. ACCs are rare tumors and there is currently insufficient evidence to indicate chemotherapy at the localized stage. At the metastatic stage, progression is often slow. In case of oligometastatic ACC, local treatment should be discussed. The most often indolent nature of polymetastatic ACC can allow management by active surveillance. Molecular screening is recommended, for abnormalities potentially accessible to targeted therapy. ACCs are rare tumors for which there are currently few effective medical treatments. It is therefore recommended to include patients in clinical trials.

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