RecruitingDrug trialPhase 1/2a Study to Assess the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of WEF-001 as Monotherapy in Advanced KRAS-Mutant Solid Tumours.This is a study designed to assess the safety, tolerability, pharmacokinetics and preliminary efficacy of WEF-001 as monotherapy in patients with Advanced KRAS-mutant solid tumours.