In an exploratory preplanned biomarker analysis of the phase 3 PARADIGM trial, a lack of resistance gene alterations in baseline circulating tumor DNA (negative hyperselection) was associated with prolonged overall survival after first-line panitumumab with chemotherapy in patients with RAS wild-type metastatic colorectal cancer.
- Kohei Shitara
- Kei Muro
- Takayuki Yoshino