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TACE with sorafenib for recurrent hepatocellular carcinoma: a retrospective nested case-control study

Date

20 Dec 2015

Session

Gastrointestinal tumours

Presenters

Xuying Wan

Citation

Annals of Oncology (2015) 26 (suppl_9): 42-70. 10.1093/annonc/mdv523

Authors

X. Wan1, X. Zhai2, Z. Yan3, P. Yang3, J. Li3, D. Wu3, K. Wang3, Y. Xia3, F. Shen3

Author affiliations

  • 1 Department Of Combined Traditional Chinese And Western Medicine, The Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, 200433 - Shanghai/CN
  • 2 Department Of Traditional Chinese Medicine, the Changhai Hospital, Second Military Medical University, Shanghai/CN
  • 3 Department Of Hepatic Surgery, The Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai/CN
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Aim/Background

We explored the hypothesis that the addition of sorafenib may have the potential to improve the effect of transarterial chemoembolization (TACE) in patients with recurrent hepatocellular carcinoma (HCC).

Methods

Of 1126 cases of unresectable HCC retrospectively collected, patients with unresectable disease treated with TACE + sorafenib (n = 245) or TACE alone (n = 245) as well as those with recurrence after surgery treated with TACE + sorafenib (n = 127) or TACE alone (n = 127) were identified after matching according to sex, age, lesion size and number of lesions. The clinicopathological factors associated with survival were examined by univariate and multivariate analyses.

Results

The mean duration of sorafenib treatment was 10.8 ± 10.51 months (median 6.1(2.5-15.74). Addition of sorafenib significantly increased the median survival time of patients with unresectable HCC as well as recurrent disease (both p ≤ 0.013). The survival of patients with unresectable HCC was impacted by the presence of tumor thrombus in the portal vein (HR = 1.47, p = 0.004) and treatment (TACE + sorafenib, HR = 0.72, p = 0.003). For patients with recurrent HCC, the presence of extrahepatic metastasis (HR = 1.71, p = 0.012) and treatment (TACE + sorafenib, HR = 0.60, p = 0.002) also impacted survival. After adjusting for factors associated with survival in univariate analyses (e.g., tumor size ≥5 cm, tumor thrombus in the portal vein, extrahepatic metastasis, and duration of sorafenib treatment), the hazard of death in patients treated with TACE + sorafenib decreased with increased duration of sorafenib treatment (HR = 0.9, p < 0.001). For patients with recurrence receiving TACE + sorafenib, multivariate analysis also showed decreased hazard of death with longer duration of sorafenib treatment (HR = 0.9, p < 0.001).

Conclusions

TACE + sorafenib has survival benefit, particularly for HCC patients with disease recurrence. The addition of sorafenib to TACE at an earlier stage (i.e., prior to progression to PVTT or worsening AFP) may confer additional survival benefit. Further clinical studies are required to confirm these results and identify which patients are most likely to benefit from this therapeutic strategy.

Clinical trial identification

no applicable

Disclosure

All authors have declared no conflicts of interest.

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