Background: In selected patients with early-stage malignant pleural mesothelioma (MPM), a multimodal therapy that includes surgical cytoreduction, chemotherapy, and/or radiotherapy is recommended. Several clinical trials have demonstrated the beneficial effects of immune checkpoint inhibitors in pretreated MPM patients with advanced disease. Recent clinical data have suggested that the combination of chemotherapy and checkpoint inhibition might improve efficacy.
Trial design: The NICITA (nivolumab with chemotherapy in pleural mesothelioma after surgery) trial is a prospective, 1:1 randomized, open-label, multicenter phase II clinical trial (ClinicalTrials.gov identifier, NCT04177953). Ninety-two patients with MPM epithelioid subtype, who had undergone extended pleurectomy and decortication with or without hyperthermic intrathoracic chemoperfusion, will be included to receive adjuvant treatment. All patients will receive ≤ 4 cycles of platinum-based chemotherapy with pemetrexed (arms A and B). Patients in arm B will additionally receive nivolumab, together with the adjuvant chemotherapy, and subsequently for ≤ 12 cycles as maintenance therapy. The primary endpoint of this study is the time-to-next-treatment. The secondary endpoints include progression-free survival, overall survival, proportion of patients with treatment beyond progression, duration of treatment beyond progression in this population, and quality of life.
Conclusion: This prospective trial will contribute data to assess the efficacy of standard chemotherapy combined with nivolumab in the context of multimodal management of early-stage MPM. The study is currently enrolling patients.
Keywords: Adjuvant treatment; Immunotherapy; MPM; Multimodal therapy; PD-1 inhibitor.
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