Zie ook in gerelateerde artikelen

Zie ook dit artikel over Mosunetumab = Lunsimio Velohttps://kanker-actueel.nl/NL/mosunetuzumab-een-bispecifiek-monoklonaal-antilichaam-geeft-uitstekende-resultaten-cr-bij-60-procent-bij-patienten-met-een-folliculair-lymfoom-waarbij-eerdere-behandelingen-faalden.html

22 juni 2026: Bron: ASCO 2026

Een combinatie van twee immuuntherapeutische medicijnen te weten Mosunetumab = Lunsimio Velo plus Polatuzumab = Polivy geeft bij patiënten met een recidief of ongevoelig voor standaard behandeling van lymfklierkanker type B-cel non-Hodgkin-lymfoom in een tussen analyse op twee jaar een verbetering van de ziektevrije overleving met minimaal 30 procent in vergelijking met standaard behandeling van rituximab en gemcitabine plus oxaliplatine. Dat lijkt uit de nog lopende fase III studie SUNMO

Mosunetumab = Lunsimio Velo plus Polatuzumab = Polivy (n = 138) bereikte een mediane ziekteprogressievrije overleving van 11,6 maanden vergeleken met 3,8 maanden met rituximab en gemcitabine plus oxaliplatine (R-GemOx; n = 70; de 2-jaars ziekteprogressievrije overleving percentages waren respectievelijk 37,5% en 14,3%.
De algehele respons was 70,3% met de combinatie Mosunetumab = Lunsimio Velo plus Polatuzumab = Polivy versus 40,0% met rituximab en gemcitabine plus oxaliplatine, en de mediane responsduur was respectievelijk 18,8 maanden versus 6,0 maanden.

Deze resultaten werden bekend gemaakt op ASCO 2026. Het volledige studierapport is gratis in te zien of te downloaden in PDF formaat. Zie daarvoor in het abstract:

Abstract

7007
Background: At the primary analysis, Mosun-Pola demonstrated superior efficacy versus R-GemOx, with infrequent cytokine release syndrome (CRS) events and manageable safety in patients (pts) with R/R LBCL in the Phase 3 SUNMO trial (NCT05171647; Budde et al. 2025). We report updated efficacy and safety, including in the 2L setting. Methods: Pts with R/R LBCL ineligible for autologous stem-cell transplant (ASCT) were randomized 2:1 to Mosun (subcutaneous)-Pola or R-GemOx. Dual primary endpoints were IRC-assessed progression-free survival (PFS) and objective response rate (ORR); secondary endpoints included complete response (CR) rate, duration of response (DOR), duration of CR (DOCR), and safety. Overall survival (OS) was not assessed as the data cut-off was prior to the pre-defined final OS analysis. Results: At data cut-off (August 8, 2025), 138 and 70 pts were assigned to Mosun-Pola or R-GemOx, respectively. Overall, 91 pts had 1 prior line of therapy (LOT; 2L; Mosun-Pola, n=61; R-GemOx, n=30) and 117 had ≥2 prior LOT (3L+; Mosun-Pola, n=77; R-GemOx, n=40). With a median follow-up of 28.3 months (mos), Mosun-Pola continued to demonstrate superior PFS benefits over R-GemOx (HR, 0.41; 95% CI: 0.28–0.60; Table). ORRs with Mosun-Pola were 70.3% vs 40.0% with R-GemOx. The observed PFS benefit of Mosun-Pola over R-GemOx was similar in 2L (HR, 0.38; 95% CI: 0.22–0.67) and 3L+ (HR, 0.48; 95% CI: 0.29–0.81) subgroups. With Mosun-Pola vs R-GemOx in 2L, the 2-year PFS rates were 40.3% vs 20.1%, and the 2-year DOCR estimates were 60.8% vs 37.5%, respectively. Median DOCR was not reached with Mosun-Pola in 2L and 3L+ subgroups. ORRs with Mosun-Pola vs R-GemOx were 75.4% vs 36.7% in 2L pts, and 66.2% vs 42.5% in 3L+ pts, respectively. The safety profile was unchanged since the primary analysis. Grade (Gr) ≥2 CRS occurred in 4% of Mosun-Pola-treated pts and no ICANS events occurred. The safety profile was consistent in 2L pts: Gr 2 CRS occurred in 3% of Mosun-Pola-treated pts, with no Gr ≥3 CRS events. Conclusions: Mosun-Pola continues to show notable efficacy with manageable safety in pts with ASCT-ineligible R/R LBCL, particularly in the 2L setting. Clinical trial information: NCT05171647.
NE, not estimable.
This is an ASCO Meeting Abstract from the 2026 ASCO Annual Meeting I. This abstract does not include a full text component.

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