Repurposing the Antipsychotic Drug Chlorpromazine as Adjuvant Therapeutic Agent for Resected Stage III Colon Cancer

• Patients age ≥18 years old.
• Patients with histologically confirmed surgically resected stage III colon cancer
• No rectal cancer
• Stage III disease (any pT, N1-2, M0)
• Patients should have a good performance status according to Eastern Cooperative Oncology Group (ECOG) score (ECOG 0-2).

• Patients with normal organic function as defined for the following criteria:

  • Aspartate aminotransferase (AST), alanine aminotransferase (ALT) ≤ 2.5 times the upper normal limit of the local laboratory (LSN-LL);
  • Total serum bilirubin ≤ 2.0 x ULN-LL;
  • Absolute neutrophil count ≥ 1,500 / mm3;
  • Platelet count ≥ 100,000 / mm3;
  • Hemoglobin ≥ 8.0 g / dl;
  • Serum creatinine ≤ 1.5 x ULN-LL
• Patients should undergone curative-intent complete surgical resection
• Patients have at least one month from any major surgery to start of intervention
• Written informed consent before enrollment

Exclusion Criteria:

• Patients with concurrent other malignancy or history of other malignancy treated within the past 3 years (other than non-melanoma skin cancer or in-situ cervical cancer)
• Patients with metastatic disease
• Patients who scheduled to receive any form of further adjuvant cancer therapy (A malignancy currently under active therapy
• Pregnant or breast-feeding patients
• Patients with known hypersensitivity or intolerance to CPZ
• Patients with serious illness or psychiatric condition.
• Patients have current participation in other protocols with experimental drugs.
• Patients with no ability to ingest food orally.
• Patients who have familial adenomatous polyposis, hereditary non-polyposis rectal cancer, or inflammatory bowel disease
• Patients who are taken other chemoprevention drugs (ex. NSAIDs, Aspirin)