Liver cancer · 2026
Characterization of Patients with Unresectable Hepatocellular Carcinoma in REFLECT Who Achieved Tumor Response or Alpha-Fetoprotein Response When Treated with Lenvatinib.
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Mahipal Amit, Cheng Ann-Lii, Kudo Masatoshi, Burgoyne Adam, Kalyan Aparna, Lencioni Riccardo, Lopéz Lopéz Carlos, Daniele Bruno, Palmer Daniel H, Baron Ari David, Park Joong-Won, Ren Min, Mody Kalgi, Vogel Arndt
Аннотация
BACKGROUND: The phase 3 REFLECT study (NCT01761266) established lenvatinib's noninferiority to sorafenib for unresectable hepatocellular carcinoma (uHCC). This subanalysis examines patients treated with lenvatinib according to the depth of their tumor response and their status as an alpha-fetoprotein (AFP) responder/nonresponder.
METHODS: Of 478 lenvatinib-treated patients, 194 achieved an objective response by mRECIST per independent imaging review. Patients with tumor response were further categorized by their maximal tumor reduction (assessed every 8 weeks). Patients were also assessed according to their AFP response (≥20% reduction from baseline by week 8) status, including AFP responders (n = 227) and nonresponders (n = 73).
RESULTS: Median duration of response in patients with ≥75% (n = 59)/≥50% to <75% (n = 72)/≥30% to <50% (n = 63) tumor reduction was 9.1 months (95% CI: 7.4-9.3)/7.3 months (95% CI: 5.5-7.4)/3.7 months (95% CI: 3.7-5.6), respectively. Median PFS/OS were 11.0 months (95% CI: 9.3-12.9)/23.4 months (95% CI: 14.3-30.1) for ≥75% tumor reduction, 9.2 months (95% CI: 7.4-11.1)/19.8 months (95% CI: 14.1-23.1) for ≥50% to <75% tumor reduction, and 7.4 months (95% CI: 5.5-9.2)/14.4 months (95% CI: 13.1-19.1) for ≥30% to <50% tumor reduction, respectively. Efficacy was improved among AFP responders versus AFP nonresponders (objective response rate: 48.0% versus 13.7%; median PFS, 7.4 months [95% CI: 5.6-7.8] versus 3.5 months [95% CI: 1.9-3.7]; median OS, 13.4 months [95% CI: 11.5-14.3] versus 8.3 months [95% CI: 6.5-10.7]). Patients with baseline AFP levels <400 ng/mL had longer median OS (19.0 months; 95% CI: 14.6-22.5) versus those with ≥400 ng/mL (10.1 months [95% CI: 8.5-11.7]).
CONCLUSIONS: This analysis highlights the importance of tumor reduction and AFP response as predictors of survival outcomes in lenvatinib-treated patients with uHCC. These data continue to support lenvatinib as an effective first-line treatment option.
METHODS: Of 478 lenvatinib-treated patients, 194 achieved an objective response by mRECIST per independent imaging review. Patients with tumor response were further categorized by their maximal tumor reduction (assessed every 8 weeks). Patients were also assessed according to their AFP response (≥20% reduction from baseline by week 8) status, including AFP responders (n = 227) and nonresponders (n = 73).
RESULTS: Median duration of response in patients with ≥75% (n = 59)/≥50% to <75% (n = 72)/≥30% to <50% (n = 63) tumor reduction was 9.1 months (95% CI: 7.4-9.3)/7.3 months (95% CI: 5.5-7.4)/3.7 months (95% CI: 3.7-5.6), respectively. Median PFS/OS were 11.0 months (95% CI: 9.3-12.9)/23.4 months (95% CI: 14.3-30.1) for ≥75% tumor reduction, 9.2 months (95% CI: 7.4-11.1)/19.8 months (95% CI: 14.1-23.1) for ≥50% to <75% tumor reduction, and 7.4 months (95% CI: 5.5-9.2)/14.4 months (95% CI: 13.1-19.1) for ≥30% to <50% tumor reduction, respectively. Efficacy was improved among AFP responders versus AFP nonresponders (objective response rate: 48.0% versus 13.7%; median PFS, 7.4 months [95% CI: 5.6-7.8] versus 3.5 months [95% CI: 1.9-3.7]; median OS, 13.4 months [95% CI: 11.5-14.3] versus 8.3 months [95% CI: 6.5-10.7]). Patients with baseline AFP levels <400 ng/mL had longer median OS (19.0 months; 95% CI: 14.6-22.5) versus those with ≥400 ng/mL (10.1 months [95% CI: 8.5-11.7]).
CONCLUSIONS: This analysis highlights the importance of tumor reduction and AFP response as predictors of survival outcomes in lenvatinib-treated patients with uHCC. These data continue to support lenvatinib as an effective first-line treatment option.