The purpose of this open-label, dose-escalation phase I trial is to evaluate the safety, tolerability and pharmacokinetic profiles and to assess the efficacy of CKD-516 Tablet in Combination with Irinotecan inj. in Patients with Previously Treated Advanced Colorectal Cancer

CKD-516 tab. in combination with Irinotecan inj.(1cycle=14days)

Inclusion Criteria:

1. Male or female patients aged 19 years or older
2. Patients who failed existing anti-cancer therapies
3. ECOG performance status ≤ 1
4. Life expectancy of ≥ 12 weeks
5. Adequate hematological, hepatic and renal functions:
6. Patients who give written informed consent voluntarily

Exclusion Criteria:

1. Prior systemic chemo-, radiochemo-, radio-, immuno-, hormonal and/or biological therapy within 2 weeks before study participation (in case of nitrosoureas and/or mitomycin, within 6 weeks before study participation)
2. Patients who received major surgery within 4 weeks before study participation (in case of VATS and/or ONC surgery, within 2 weeks before study participation)
3. Symptomatic CNS metastases (patients with radiologically and neurologically stable metastases and being off corticosteroids for at least 4 weeks are able to participate in this trial.)
4. NYHA class III or IV heart failure, uncontrolled hypertension (SBP/DBP > 140/90 mm Hg), other clinically significant cardiovascular abnormalities at investigator's discretion (e.g., LVEF < 50%, clinically significant cardiac wall abnormalities or cardiac muscle damages)
5. Acute coronary syndrome (unstable angina or myocardial infarction) within 6 months
6. Uncontrolled arrhythmia
7. Significant cerebrovascular diseases including stroke within 6 months
8. Significant vascular diseases including aortic aneurysm requiring treatment or peripheral arterial diseases
9. Patients with known active hepatitis, HIV infection, or other uncontrolled infectious disease
10. Patients who cannot receive IP by mouth and have a history of clinically significant gastrointestinal disorders which can impede administration, transit or absorption of the IP
11. A history of severe drug hypersensitivity or hypersensitivity to analogs of the IP
12. Pregnancy or breast-feeding
13. Women of childbearing potential (WOCBP) or men who are unwilling to use adequate contraception or be abstinent during the trial and for at least 3 months after the end of treatment
14. Patients who received other investigational products or used other investigational devices within 3 weeks before participation
15. Patients who cannot participate in this trial by investigator's discretion