Federica Tosi

Circulating tumor DNA-guided de-escalation or escalation of adjuvant therapy in high-risk stage II and stage III colon cancer: the phase 2 PEGASUS trial

Oxaliplatin–fluoropyrimidine combinations are standard adjuvant therapy after radical resection of high-risk stage II and stage III colon cancer but expose many patients to toxicity while failing to prevent relapse in others. PEGASUS was a multicenter, single-arm, phase 2 trial e...