期刊
FRONTIERS IN ONCOLOGY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2022.930868
关键词
conversion therapy; transarterial chemoembolization (TACE); unresectable; liver cancer; surgery
类别
资金
- Hebei Provincial Key Research Project
- Hebei Provincial Innovation Foundation for Postgraduate
- [21377767D]
- [CXZZSS2022137]
Conversion therapy shows potential effectiveness for initially unresectable hepatocellular carcinoma patients. The combination therapy of TACE with TKIs and ICIs has higher conversion rates and better tumor response compared to other treatments. Surgical resection after successful conversion therapy improves patient survival.
BackgroundHepatocellular carcinoma (HCC) is a highly malignant disease with poor prognosis, and most cases were already considered unresectable at the time of presentation. Conversion therapy, as an emerging treatment, is designed to provide patients with initially unresectable hepatocellular carcinoma (uHCC) the opportunity to undergo radical resection. At present, conversion therapy for patients with uHCC remains controversial. Transarterial chemoembolization (TACE) is currently the most widely selected treatment for uHCC, but its efficacy as a conversion therapy remains controversial. MethodsWe compared and evaluated the conversion rate for and tumor response to TACE monotherapy or combination therapy. Meanwhile, postoperative complications and overall survival (OS) in uHCC patients who underwent conversion therapy were also analyzed. ResultsA total of 18 studies were included in this meta-analysis. The conversion rate for triple therapy [TACE in combination with tyrosine kinase inhibitors (TKIs) and immune checkpoint inhibitors (ICIs)] was 42% [95% confidence interval (CI), 0.29-0.56], higher than any other group [TACE monotherapy: 10% (95% CI, 0.08-0.12), bigeminy therapy: 19% (95% CI, 0.06-0.36)]. Meanwhile, triple therapy yielded a better tumor response than TACE monotherapy or bigeminy therapy. Among the patients with successful surgical resection after conversion therapy, the pooled postoperative OS rates at 1, 2, and 5 years were 90% (95% CI, 0.81-0.97), 58% (95% CI, 0.42-0.73), and 42% (95% CI, 0.26-0.60), respectively, and the major postoperative complications were biliary leakage (7%; 95% CI, 0.03-0.12) and liver failure (3%; 95% CI, 0.00-0.07). ConclusionTACE conversion therapies showed good conversion rates, especially the triple therapy of TACE in combination with TKIs and ICIs. Surgical resection after successful conversion therapy could maximize the outcome of patients with uHCC.
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