How effective is irinotecan hydrochloride liposome injection? How long does it take for patients to see results?

Liposome drug delivery technology gives irinotecan hydrochloride better tumor targeting and sustained release. Clinical studies have shown that in the treatment of patients with metastatic colorectal cancer, it can significantly prolong progression-free survival (PFS) and overall survival (OS). Some patients can observe tumor shrinkage or stable disease after several weeks of treatment. The effect varies from person to person, and the evaluation of the effect is generally carried out through imaging examinations after 2-3 cycles of continuous treatment. The drug can be used as a single agent or as part of a combination chemotherapy regimen to help patients control their disease and improve their quality of life. However, due to the complexity of cancer itself, doctors will combine multiple indicators to comprehensively judge the effectiveness of treatment.