RecruitingDrug trialA Study of MR001 Combined With Chemotherapy in Patients With Locally Advanced or Metastatic Pancreatic Ductal Adenocarcinoma (PDAC) After First-line TherapyThis Phase Ib/IIa study is evaluating the safety, tolerability, pharmacokinetics, and preliminary efficacy of MR001 Combined with Chemotherapy in patients with locally advanced or metastatic pancreatic ductal adenocarcinoma (PDAC) who have progressed after first-line therapy.