SynthesisJournal of gastrointestinal cancer2025
The Efficacy and Safety of Durvalumab and Tremelimumab with Concomitant Treatment for MSS/pMMR Metastatic Colorectal Cancer: A Single Arm Meta-Analysis.
Synthesis in Journal of gastrointestinal cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
2 authors.
Funding
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Abstract
objectivesTo address the issue that most microsatellite-stable (MSS) and proficient mismatch repair (pMMR) metastatic colorectal cancer (mCRC) patients have minimal response to immunotherapy, this meta-analysis evaluated the efficacy and safety of durvalumab and tremelimumab with concomitant treatment in treating MSS/pMMR metastatic colorectal cancer.
methodsAll included trials were prospective studies with a median patient age of 63 years, of which 94.2% were MSS/pMMR mCRC patients, with a male to female ratio of 1.5:1. Based on durvalumab and tremelimumab treatment, one study performed surgical resection on resectable cases, while the other four studies performed radiotherapy or chemotherapy on unresectable cases. Analyses include objective response rate (ORR).etc. for drug activity, overall survival (OS) and progression-free survival (PFS) for therapeutic efficacy, and adverse events (AEs) for safety. The risk of bias was assessed by sensitivity analysis.
results5 studies involving 228 patients were included in this meta-analysis. The pooled estimates showed a median OS of 9.26 months, median PFS of 2.53 months, partial response (PR) of 13.6%, stable disease (SD) of 32.8%, ORR of 12.5% and disease control rate (DCR) of 65.4%. AEs were generally low, with pruritus (27.5%), diarrhea (28.8%), and fatigue (53.9%) being the most common, while other AEs occurred at less frequencies.
conclusionsDurvalumab and tremelimumab with concomitant treatment for MSS/pMMR mCRC patients is relatively effective and safe, which is helpful in addressing the problem of mCRC with MSS/pMMR that has minimal response to immunotherapy.
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Registered trials
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