Claudio Isella

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...

The paracrine Ephrin A4/BMP4 feed-forward loop sustains a tumor–CAF vicious cycle in osteosarcoma

Abstract Background Advanced osteosarcoma (OS) remains a clinical challenge due to its aggressive behavior and poor prognosis. Cancer-associated fibroblasts (CAFs) have been shown to contribute to tumor progression, but the tumor–CAF crosstalk in OS is still poorly defined. Eluci...