Background: Alectinib is a potent anaplastic lymphoma kinase (ALK)-tyrosine kinase inhibitor (TKI) which is currently used in the first-line setting of advanced ALK+ non-small cell lung cancer (NSCLC). Despite favorable results in the metastatic setting, the activity of alectinib in locally-advanced ALK+ NSCLC as a neoadjuvant treatment remains to be assessed. We report the case of a patient with stage IIIA ALK+ NSCLC (cT2aN2) who received alectinib as neoadjuvant treatment, achieving major pathological response (MPR) at pathologic examination. Hence we present the treatment rationale and study design of a phase II, open-label, single-arm, multicenter clinical trial (ALNEO study, EUDRACT number 2020-003432-25). Materials and Methods: Patients with potentially resectable stage III ALK+ NSCLC (any T with N2, T4N0-1) will be registered to receive oral alectinib 600 mg twice daily for 2 cycles of 4 weeks each (8 weeks totally) during the neoadjuvant phase. After definitive surgery, patients will enter in the adjuvant setting, during which they will receive alectinib 600 mg twice daily for 24 cycles (96 weeks). The primary endpoint is MPR, defined as ≤10% residual viable tumor cells histologically detected in the resected primary tumor and all resected lymph nodes after surgery. Secondary endpoints include pathological complete response, objective response, event-free survival, disease-free survival, overall survival, adverse events. Conclusions: Our case report supports the feasibility of alectinib as neoadjuvant treatment. ALNEO study will further explore the activity and safety of this novel treatment strategy.
Phase II, Open-label, Single-arm, Multicenter Study to Assess the Activity and Safety of Alectinib as Neoadjuvant Treatment in Surgically Resectable Stage III ALK-positive NSCLC: ALNEO Trial / Leonetti, A.; Minari, R.; Boni, L.; Gnetti, L.; Verze, M.; Ventura, L.; Musini, L.; Tognetto, M.; Tiseo, M.. - In: CLINICAL LUNG CANCER. - ISSN 1525-7304. - 22:5(2021), pp. 473-477. [10.1016/j.cllc.2021.02.014]
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