Last updated on February 2018

OPTimizing Irradiation Through Molecular Assessment of Lymph Node (OPTIMAL)


Brief description of study

The main purpose of this study is to show the non-inferiority of the incidental irradiation, as compared to intentional irradiation of the axillary nodes, in terms of 5-years disease-free survival (DFS) of early stage breast cancer patients with limited affectation of sentinel node assessed by OSNA (250 to 15,000 copies/uL), treated with breast-conservative surgery without axillary lymphadenectomy.

Clinical Study Identifier: NCT02335957

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