ESMO Gastrointestinal Cancers Congress 2025

ctDNA testing may help refine surveillance strategy for colorectal cancer
Study findings show that ctDNA is a stronger biomarker than carcinoembryonic antigen to select patients who may benefit from metastasis-directed therapy

Promising activity reported for olaparib in advanced biliary tract cancers
Study indicates that PARP inhibition could extend treatment options for patients with biliary tract cancers

Prolonged intertreatment interval improves outcomes to EGFR rechallenge in metastatic colorectal cancer
Randomised trials and real-world data propel the anti-EGFR rechallenge approach towards standard of care, but more solid evidence is needed

ctDNA and RNA-based tests are expanding colorectal cancer screening options
The availability of simpler, less-invasive methodologies may help to encourage participation in secondary prevention programmes

Quality of Life data in immune oncology trials: from side note to centre stage?
Despite greater attention being given to treatment effects on patient wellbeing, the high heterogeneity of methodologies still limits the usefulness of QoL assessment

Atezolizumab and bevacizumab after transarterial chemoembolisation prolongs progression-free survival in unresectable hepatocellular carcinoma
Data from the TALENTACE trial add to growing evidence supporting the combination of immunotherapy plus anti-VEGF component with TACE

Decoding genomic and transcriptomic signatures in colorectal cancer – next steps?
Newer technologies build on current knowledge to provide greater insights in the molecular landscape

Combinations show promise in hepatocellular carcinoma populations with poor prognosis
Encouraging data were presented for FGF19-positive tumours and those with worse hepatic function, performance status or advanced vascular invasion

Givastomig combined with immunochemotherapy shows clinical activity in metastatic gastro-oesophageal adenocarcinomas
Preliminary results revealed that the combination of claudin 18.2/4-1BB bispecific antibody with nivolumab and mFOLFOX was also well tolerated