ArticleBone marrow transplantation2026
Clinical outcomes of third-line therapy for aGvHD with gastrointestinal involvement after steroids and ruxolitinib failure.
Article in Bone marrow transplantation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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24 authors.
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Abstract
CHRONOS is a multicenter, retrospective, cohort study involving acute graft-versus-host disease (aGvHD) adult patients with gastrointestinal (GI) symptoms, steroid- and ruxolitinib refractory, who initiated third-line therapy between 30 May 2019 and 30 September 2024. Primary endpoints were all-organ overall response rate (ORR) and GI-specific ORR (GI-ORR) around 28 days after treatment initiation. Secondary endpoints included duration of response, real-world progression-free survival (rwPFS) of underlying malignancy, and overall survival (OS). Fifty-nine patients from 16 sites in Europe were included. On Day 28, ORR was 36% (95% CI: 24-49%), GI-ORR was 37% (95% CI: 25-51%); 29% (95% CI: 11-49%) of responders lost response within 30 days, and 52% (95% CI: 29-72%) within 90 days. Median rwPFS and median OS were both 86 days (95% CI: 54-128 days). Median OS was higher in responders than in non-responders (186 versus 45 days). Over the 12-month follow-up period, 41 patients died, mainly due to aGvHD progression (n = 25), and infectious complications (n = 9). Within 3 months, Grade ≥ 2 infectious events occurred in 51% of patients; Grade 3-4 thrombocytopenia and neutropenia in 64% and 32%, respectively. These findings demonstrate limited effectiveness of third-line therapy in this cohort of steroid- and ruxolitinib-refractory aGvHD patients with GI symptoms.
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