Adjuvant IFN-α for Patients Underwent Curative Surgery for HCC With a Low miR-26 Expression

Perioperative Period Inclusion Criteria:

1. Signed informed consent;
2. Aged ≥ 18 years and ≤ 75 years old, male or female；
3. Patients with a low miR-26 expression in tumor (confirmed by RT-PCR) underwent a curative resection of HCC;
4. The tumor characteristics must meet the following:

   1. tumor diameter is between 3 to 8 centimeters,and the number of tumor is less than 3
   2. no thrombosis is detected in the main branches of the portal vein, hepatic vein and bile duct by preoperative imaging or by intra-operative findings
   3. no extrahepatic and lymph node metastasis

Perioperative Period Exclusion Criteria:

1. Concomitant malignant primary tumor(s) in other systems is/are present;
2. The subject receives any previous systemic anti-HCC therapy prior to the resection surgery, such as liver transplantation, intervention, ablation, radiotherapy, chemotherapy, molecular targeted therapy or other anti-HCC therapy;
3. The subject takes other study/investigational drugs during this study;
4. The subject has cerebrovascular accident, renal insufficiency, depression, hyperthyreosis, hypothyroidism or other severe uncontrolled diseases;
5. The subject has a history of study drug or similar drug allergy.

Baseline (Post-Surgery 4 to 6 weeks) Inclusion Criteria:

1. Baseline (post-resection) blood routine examination shows that the number of leukocyte\>2.5\*10\^9/L and platelet count\>40\*10\^9/L;
2. Child-Pugh score of class A at baseline.

Baseline (Post-Surgery 4 to 6 weeks) Exclusion Criteria:

1. Concomitant malignant primary tumor(s) in other systems is/are present;
2. The subject takes other study/investigational drugs within 4 weeks prior to randomization;
3. The baseline examination indicates that infection, bleeding, bile leakage, or other postoperative complications are present;
4. The baseline examination suggests the presence of tumor metastasis;
5. The subject has cerebrovascular accident, renal insufficiency, depression, hyperthyreosis, hypothyroidism or other severe uncontrolled diseases;
6. The subject has a history of investigational drug or similar drug allergy;
7. The subject is pregnant, lactating, or urine pregnancy test result is positive.