1 cases per 1000 person years in men and 0 to 121 cases per 1000

1 cases per 1000 person years in men and 0 to 12.1 cases per 1000 person years in women in the treated group. Conclusion: Antiviral therapy was associated with lower HCC risk; however, HCC incidence was still significantly high in treated patients especially in older men and in those with cirrhosis. Adherence to HCC surveillance continues to be needed regardless of treatment status. Disclosures: Huy N. Trinh – Advisory Committees or Review Panels: BMS, Gilead;

Grant/ Research Support: BMS, Gilead; Speaking and Teaching: BMS, Gilead, vertex; Stock Shareholder: Gilead Huy A. Nguyen – Advisory Committees or Review Panels: Gilead, BMS; Speaking and Teaching: Gilead Mindie H. Nguyen – Advisory Committees or Review Panels: Bristol-Myers Squibb, Bayer AG, Gilead, Novartis, Onyx; Consulting: Gilead Sciences, Inc.; Grant/Research Support: Gilead Sciences, selleck compound Inc., Bristol-Myers Squibb, Novartis Pharmaceuticals, Roche Pharma AG, Idenix, Hologic, ISIS The following people have nothing to disclose: Derek Lin, Nghia H. Nguyen, Joseph Hoang, Vinh D. Vu, Jiayi Li, Jian Q. Zhang, Khanh Nguyen Background/Aims: We recently reported

that HCC risk scores developed in Asians have poor-moderate predictability in Caucasian CHB patients for whom we suggested a new score based on platelets, age and gender (PAGE-B) (Papatheodoridis et al, EASL 2014). In this 7-center, large ongoing cohort study, we evaluated the timing of HCC development in Caucasian CHB patients receiving ETV/TDF and assessed the 上海皓元医药股份有限公司 predictability of a modified PAGE-B risk score based on clinically more reasonable platelet cut-offs. Methods: 1671 adult Ibrutinib Caucasians with CHB±compensated cirrhosis and no HCC at baseline (mean age:53 years, males:71%, naive to antivirals:61%, cirrhosis:30%) who received ETV/TDF for >12 months were included. The cumulative incidence rates of HCC derived from Kaplan-Meier estimates. PAGE-B score was tested in our updated derivation dataset (6 centers’ data) with Harrell’s c-index being used as discrimination measure. Bootstrap was used for internal as well as external validation in the data from the 7th largest center. Results: During a mean follow-up of 50 months,

the 1-, 3-, 5-year cumulative HCC incidence rates were 0.5%, 1.6%, 2.7% for non-cirrhotic and 2.5%, 7.5%, 15.2% for cirrhotic patients (p<0.001). However, only 1 new HCC case has been diagnosed after year 5 (at 65 months) in 553 patients (31% cirrhotics) who had been followed for a mean of 12 months beyond year 5. In the derivation dataset (1,142 patients/45 HCCs), age (p<0.001), gender (p=0.009) and platelets (p<0.001) were independently associated with HCC. The modified PAGE-B risk score was constructed by applying −4/−2/0/2/4/6 points for age <30/30-39/40-49/50-59/60-69/>70 years, 0/5 points for females/ males (the same with the original PAGE-B) and 0/4/5 points for platelets >150,000/100,000-150,00/<100,000/mm3 (c-index=0.81; 0.80 after bootstrap validation).

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