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Welcome to The Oncology Journal Club Podcast Series 3! Proudly produced by The Oncology Network

Three respected oncologists dive deep into the most significant research presented at ASCO GI 2025, bringing you practice-changing insights amidst a backdrop of political uncertainty affecting medical research.

Professor Chris Karapetis joins hosts Professor Craig Underhill and Professor Christopher Jackson to unpack ground-breaking colorectal cancer studies that are reshaping treatment paradigms. The conversation explores how targeted therapies are dramatically improving survival rates, with the DEEPER study demonstrating cetuximab's superiority over bevacizumab for left-sided RAS wild-type disease, achieving an impressive 50-month median survival when combined with chemotherapy.

The experts dissect the BREAKWATER trial, which shows promising benefits of combining encorafenib and cetuximab with chemotherapy for notoriously aggressive BRAF-mutant colorectal cancer. This combination achieved a 61% response rate versus 40% with standard care, with responses lasting significantly longer – representing a potential new standard of care for this difficult-to-treat subgroup.

Perhaps most surprisingly, our panel discusses how an inexpensive, familiar medication – aspirin – could reduce colorectal cancer recurrence by 40% in patients with PIK3CA mutations according to the ALASCCA study. This finding highlights how molecular profiling is becoming essential across treatment stages, not just for expensive targeted therapies but also for optimising use of accessible interventions.

The discussion extends to exciting developments in pancreatic cancer with a novel pan-RAS inhibitor showing meaningful activity, and advancements in immunotherapy for MSI-high colorectal cancer, confirming combination therapy's superiority. For gastrointestinal oncologists navigating an increasingly complex treatment landscape, this episode offers crucial insights to optimise patient outcomes through precise, personalised approaches.

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The Oncology Podcast - An Australian Oncology Perspective