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‹ Tue · 21 Jul 2026
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Efficacy and safety of cetuximab-irinotecan rechallenge versus regorafenib in ras wild-type metastatic colorectal cancer: a single-center exploratory randomized trial.

Re-using an older cancer drug after it stops working shows promise with potentially fewer side effects, offering patients another treatment option.

This single-center exploratory RCT compared cetuximab-irinotecan rechallenge versus standard third-line regorafenib in RAS WT mCRC, examining whether anti-EGFR rechallenge can overcome acquired resistance. Results suggest rechallenge is a viable precision approach with potential tolerability advantages, warranting further investigation in larger multicenter trials.

What the study was

Study design
Single-center exploratory randomized controlled trial
Category
Other
Maturity
Potentially Practice-Changing
Journal
BMC Cancer

Why it surfaced

Randomized trial in mCRC rechallenge strategy; precision oncology context (RAS WT selection); directly relevant to T5 and T6 watchlists; exploratory but provides RCT-level evidence for a growing precision oncology approach.

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