Trial reportCancer immunology, immunotherapy : CII2025
Fruquintinib plus sintilimab in previously bevacizumab-treated, pMMR/MSS refractory metastatic colorectal cancer: a phase 2 clinical trial.
Trial report in Cancer immunology, immunotherapy : CII, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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.
The trial behind it
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- Immune-inflammatory-fibrinogen score as a novel prognostic biomarker in patients with gastric cancer undergoing radical gastrectomy: a multicenter study.World journal of surgical oncology · 2026Trial
- Beyond the barrier: Engineering the tumor-immune-soil nexus-a mechanistic blueprint for integrating Traditional Chinese Medicine with immunotherapy in metastatic colorectal cancer.Medical oncology (Northwood, London, England) · 2026Review
- Review
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
backgroundThis study aimed to investigate the efficacy and safety of fruquintinib plus sintilimab in mismatch repair-proficient (pMMR)/microstatellite stable (MSS) refractory metastatic colorectal cancer (mCRC).
methodsPatients with pMMR/MSS mCRCs who had failed at least 2 lines of standard therapy were enrolled and treated with fruquintinib plus sintilimab in this single arm, phase II clinical trial. The primary endpoint was the 6 month progression-free survival (PFS) rate.
resultsA total of 75 patients were included, all of whom had been previously treated with bevacizumab. The 6 month PFS rate was 33.3%. The median PFS (mPFS) was 4.1 months, the median overall survival (mOS) was 15.3 months, the objective response rate (ORR) was 12.5%, and the disease control rate (DCR) was 76.4%. Treatment-related adverse events (TRAEs) occurred in 94.7%, with 18.7% being grade 3 or 4. There were no treatment-related deaths. Patients had a significantly shorter mPFS compared to those without liver metastasis (3.2 versus 7.6 months, P < 0.001). Incorporating Eastern Cooperative Oncology Group (ECOG) score further improved its predictive value for PFS. Those in the high-albumin group showed significantly longer mOS (25.9 versus 11.0 months, P = 0.024), while the high-neutrophil-to-lymphocyte ratio (NLR) group exhibited a significantly shorter mOS (9.3 versus 19.3 months, P = 0.033).
conclusionsFruquintinib plus sintilimab showed promising activity and good tolerability in refractory pMMR/MSS mCRC. Liver metastasis was a negative predictor for efficacy and PFS, especially when combined with the ECOG score. Higher baseline albumin and lower NLR predicted longer OS.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.