FLOT plus nivolumab in patients with previously untreated advanced or metastatic adenocarcinoma of the stomach or gastroesophageal junction: Results from the randomized phase 2 IKF-S628/AIO-STO-0417 (Moonlight) trial of the AIO.

Medientyp: E-Artikel

Titel: FLOT plus nivolumab in patients with previously untreated advanced or metastatic adenocarcinoma of the stomach or gastroesophageal junction: Results from the randomized phase 2 IKF-S628/AIO-STO-0417 (Moonlight) trial of the AIO

Beteiligte: Lorenzen, Sylvie; Goetze, Thorsten Oliver; Hofheinz, Ralf Dieter; Thuss-Patience, Peter C.; Dechow, Tobias Nicolaas; Riera-Knorrenschild, Jorge; Schuch, Gunter; Luley, Kim Barbara; Koch, Christine; Goekkurt, Eray; Schmalenberg, Harald; Ettrich, Thomas Jens; Lindig, Udo; Pink, Daniel; Bitzer, Michael; Bolling, Claus; Homann, Nils; Junge, Sabine; Pauligk, Claudia; Al-Batran, Salah-Eddin

Erschienen: American Society of Clinical Oncology (ASCO), 2023

Sprache: Englisch

DOI: 10.1200/jco.2023.41.16_suppl.4045

ISSN: 0732-183X; 1527-7755

Schlagwörter: Cancer Research ; Oncology

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Beschreibung: 4045 Background: FOLFOX plus nivolumab (nivo) has become standard of care for first-line therapy of patients (pts) with esophagogastric adenocarcinomas. FLOT is a well-established standard of care triplet regime. Some physicians may consider a triplet in patients with aggressive disease. The aim of this Arm C part of the Moonlight trial was to evaluate the safety and efficacy of the combination of FLOT plus nivo. Methods: Moonlight is a multi-cohort phase-II trial. The results for Arm C evaluating FLOT + nivo (240 mg) q2w as first-line therapy in all-comers are presented here. Primary endpoint was progression-free survival at 6 months (PFS@6), main secondary endpoints were safety, OS, and overall response rate (ORR). Results: Fifty-two patients were enrolled. Baseline characteristics were: median age 61y, GEJ 65%. Sixty-five percent had centrally assessed PD-L1 CPS≥1 (available in 96% of pts). Pts. received a median number of 8 cycles of FLOT and nivo and 42% received further line treatment. FLOT plus nivo was well tolerated and feasible with the most frequent adverse events of ≥ grade 3 being decreased neutrophils (40.4%), anemia (5.8%) and thromboembolic events (7.7%). After a median follow-up of 9.4 months, 3- and 6-month progression-free survival rates were 85% and 42%, respectively. Median PFS was 6.6 months and median OS 10.8 months. ORR and disease control rate (DCR) were 54% and 87%, respectively. Compared to the pooled study cohorts A and A1 (n = 90 pts) utilizing mFOLFOX plus nivo and ipilimumab (non-randomized comparison), FLOT plus nivo was associated with greater DCR (87% vs. 78%) and 3-months PFS (85% vs. 72%). Conclusions: FLOT and nivo is feasible and seems to be associated with improved disease control in the early course of therapy. FLOT plus nivo may represent an option for select patients with aggressive, rapidly progressive disease. Clinical trial information: NCT03647969 .

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