A Study of PEP07 (Checkpoint Kinase 1 Inhibitor) in Patients with Advanced or Metastatic Solid Tumors

PEP07 is a potent, highly selective, orally bioavailable small molecule inhibitor of Chk1. PEP07 will be provided as 20 mg and 150 mg strength capsules to be administrated orally. Patients allocated to different dose levels of PEP07 monotherapy will receive either 20 mg or 150 mg oral capsules for 2 consecutive days followed by 5 days treatment off (2-on/5-off) schedule every week, 4 weeks as a treatment cycle.