B型肝炎治療新知 台大醫院內科部 陳健弘 B型肝炎的 流行病學 2010-8-11 苗栗 Chen CH 台灣成人每五人中,就有一人 是B型肝炎帶原者,全國約有 300萬(20%) B型肝炎帶原者 每5人就有1人 有B型肝炎 2010-8-11 苗栗 Chen CH B型肝炎帶原率 25% 20% 15% 10% 5% 0% 20-29 30-39 40-49 50-59 60-69 70-79 80-89 >=90 20 years after mass HBV vaccination Year 2004 17,637 healthy individuals (M/F, 9785:7852), <20 y/o 1142 individuals (M/F, 693:449) aged between 20 and 30 years from schools, institutes, or workplaces in Taipei City, HBsAg(+): 1.2% HBV vaccination reduce HCC incidence group Person-years No. of HCC nonvaccinated 78,496,404 444 1(reference) vaccinated 37,709,340 64 0.31 (0.24 to 0.41) RR(95% CI) P<0.001 Natural course of CHB Natural course of CHB Liaw YF and Chu CM. Lancet 2009; 373: 582–92 HBV DNA IU/mL copies/mL pg/mL REVEAL-HBV Risk Evaluation of Viral Load Elevation and Associated Liver Disease/Cancer– Hepatitis B Virus HBV DNA as a risk for cirrhosis HBV DNA Associated With Increased Risk of Liver cirrhosis REVEAL: Long-term follow-up of untreated HBsAg positive individuals in Taiwan Cumulative Incidence of cirrhosis at Year 13 Follow-up[1] (N = 3582) Patients (%) 50 40 36.2 30 23.5 20 10 9.8 4.5 5.9 0 < 300 100,000- ≥ 1 million 30010,000999,999 9999 99,999 Baseline HBV DNA (copies/mL) ILOEJE UH et al., GASTROENTEROLOGY 2006;130:678–686 HBV DNA as a risk for HCC HBV DNA Associated With Increased Risk of HCC REVEAL: Long-term follow-up of untreated HBsAg positive individuals in Taiwan Cumulative Incidence of HCC at Year 13 Follow-up[1] (N = 3653) 14.9 15 Patients (%) 12.2 12 Median age: 45 HBeAg(-): 85% ALT<45:94% 9 6 3.6 3 1.3 1.4 0 < 300 300100010,000≥ 100,000 999 9999 99,999 Baseline HBV DNA (copies/mL) Chen CJ et al., JAMA. 2006;295:65-73 Risks of HCC in HBV carriers Risk factors associated with HCC in HBV carriers Male Increasing age High ALT level Alcohol consumption HBeAg (+) High HBV DNA Genotype C Presence of cirrhosis …. AUC: 0.851 AUC: 0.852 Yang HI et al., J Clin Oncol 2010;28:2437-2444 Initial evaluation 當病人說他有B肝時,必須 釐清是否是HBsAg(+),如 果無書面資料,建議check HBsAg來證實 HBsAg HBeAg AST, ALT, AFP Ultrasound 慢性B型肝炎 e抗原陽性慢性B型肝炎 e抗原陰性慢性B型肝炎 B肝病人, 誰需要治療? 案例 21歲男性 HBsAg(+),ALT: 24 U/L,HBeAg(-) HBV DNA: 100 IU/mL, 上網找到資料,B肝帶原者日後得到肝癌 的機會較大。 問題︰要不要治療以便終止帶原狀態? Inactive HBsAg carrier 25. In patients with inactive HBsAg carrier state antiviral treatment is not indicated, but these patients should be monitored (see Recommendation 12). (II-2) Hepatology 2009 AASLD practice guideline CH-B 案例 21歲男性, HBsAg(+),ALT: 60 U/L, HBeAg(+) HBV DNA: 3x109 IU/mL,上網找到資料, HBV DNA愈高則日後得到肝癌的機會愈 大。 問題︰要不要治療? HBeAg(+) CH-B 15b. ALT persistently normal or <2 X ULN. These patients generally should not be initiated on treatment. (I) Liver biopsy may be considered in patients with fluctuating or minimally elevated ALT levels especially in those above 40 years of age. (II-3) Treatment may be initiated if there is moderate or severe necroinflammation or significant fibrosis on liver biopsy. (I) Hepatology 2009 AASLD practice guideline CH-B 案例 25歲男性 HBsAg(+) ALT: 150 U/L HBeAg(+) HBV DNA: 3x109 IU/mL 問題︰要不要治療? HBeAg(+) CH-B 15a. ALT ≧ 2 x ULN or moderate/severe hepatitis on biopsy, and HBV DNA >20,000 IU/ml. These patients should be considered for treatment. (I) Hepatology 2009 AASLD practice guideline CH-B 案例 40歲男性 HBsAg(+) ALT: 150 U/L HBeAg(-) HBV DNA: 7x106 IU/mL 問題︰要不要治療? HBeAg(-) CH-B 16. Patients with HBeAg(-) chronic hepatitis B (serum HBV DNA >20,000 IU/ml and elevated ALT>2 x ULN) should be considered for treatment.(I) APASL: HBV DNA > 2000 IU/mL Hepatology 2009 AASLD practice guideline CH-B 案例 45歲男性 HBsAg(+) ALT: 50 U/L HBeAg(-) HBV DNA: 3x103 IU/mL 超音波: liver cirrhosis + splenomegaly 問題︰要不要治療? Compensated liver cirrhosis 23. Patients with compensated cirrhosis — Treatment should be considered for patients with ALT >2 UNL, and for patients with normal or minimally elevated ALT if serum HBV DNA levels are high (>2,000 IU/ml). (II-2) Patients with compensated cirrhosis are best treated with NAs because of the risk of hepatic decompensation associated with IFNa–related flares of hepatitis. In view of the need for long-term therapy, tenofovir or entecavir is preferred. (II-3) 建議轉給 hepatologist Hepatology 2009 AASLD practice guideline CH-B 案例 45歲男性 HBsAg(+) ALT: 50 U/L, Bilirubin: 5 mg/dL HBeAg(-) HBV DNA: 3x103 IU/mL 超音波: liver cirrhosis + splenomegaly + massive ascites 問題︰要不要治療? Decompensated liver cirrhosis 24. Patients with decompensated cirrhosis - Treatment should be promptly initiated with a NA that can produce rapid viral suppression with low risk of drug resistance. (II-1) 盡快轉給 hepatologist Hepatology 2009 AASLD practice guideline CH-B 治療B型肝炎的藥物 傳統型干擾素 長效型干擾素 干安能 (lamivudine, Zeffix) 干適能 (adefovir, Hepsera) 貝樂克 (entecavir, Baraclude) 喜必福 (telbivudine, Sebivo) tenofovir 要治療多久 案例 25歲男性 HBsAg(+), ALT: 150 U/L, HBeAg(+), HBV DNA: 3x109 IU/mL 使用抗病毒藥治療1年後 ALT: 30 U/L, HBeAg(+) HBV DNA: 測不到 問題︰可不可以停藥? Duration of nucleoside analogue treatment- HBeAg(+) 32a. HBeAg(+) chronic hepatitis B — Treatment should be continued until the patient has achieved HBeAg seroconversion and completed at least 6 months of additional treatment after appearance of antiHBe. (I) Close monitoring for relapse is needed after withdrawal of treatment. (I) Hepatology 2009 AASLD practice guideline CH-B 案例 40歲男性 HBsAg(+), ALT: 150 U/L, HBeAg(-) HBV DNA: 7x106 IU/mL 使用抗病毒藥治療1年後 ALT: 30 U/L, HBV DNA: 300 IU/mL 治療2年後 ALT: 30 U/L, HBV DNA: 測不到 問題︰可不可以停藥? Duration of nucleoside analogue treatment- HBeAg(-) 32b. HBeAg(-) chronic hepatitis B — Treatment should be continued until the patient has achieved HBsAg clearance. (I) 在亞太地區,做不到 Hepatology 2009 AASLD practice guideline CH-B Recommendation 9 (II) For oral antiviral agents: In HBeAg-negative patients, it is not clear how long this treatment should be continued, but treatment discontinuation can be considered if undetectable HBV-DNA has been documented on three separate occasions 6 months apart. (II). 2008 APASL consensus statement 案例 45歲男性 HBsAg(+), ALT: 50 U/L, HBeAg(-) HBV DNA: 3x103 IU/mL 超音波: liver cirrhosis + splenomegaly 使用抗病毒藥治療1年後 ALT: 30 U/L, HBV DNA: 測不到 治療3年後 ALT: 32 U/L, HBV DNA: 測不到 問題︰需要繼續用藥嗎?健保給付嗎? Duration of nucleoside analogue treatment- Compensated cirrhosis 32c. Compensated cirrhosis — These patients should receive long-term treatment. However, treatment may be stopped in HBeAg(+) patients if they have confirmed HBeAg seroconversion and have completed at least 6 months of consolidation therapy and in HBeAg(-) patients if they have confirmed HBsAg clearance. (II-3) Close monitoring for viral relapse and hepatitis flare is mandatory if treatment is stopped. (II-3) Hepatology 2009 AASLD practice guideline CH-B Duration of nucleoside analogue treatment- Decompensated cirrhosis 32d. Decompensated cirrhosis and recurrent hepatitis B post-liver transplantation - Life-long treatment is recommended. (II-3) Hepatology 2009 AASLD practice guideline CH-B 特殊族群 案例 45歲男性 HBsAg(+), ALT: 20 U/L, HBeAg(-) HBV DNA:測不到 惡性淋巴瘤,準備做化學治療 問題︰要不要治療? Treatment of Hepatitis B carriers Who Require Immunosuppressive or Cytotoxic Therapy 39. HBsAg testing should be performed in patients who are at high risk of HBV infection (see recommendation number 1), prior to initiation of chemotherapy or immunosuppressive therapy. (II-3) Hepatology 2009 AASLD practice guideline CH-B Treatment of Hepatitis B carriers Who Require Immunosuppressive or Cytotoxic Therapy 40. Prophylactic antiviral therapy is recommended for HBV carriers at the onset of cancer chemotherapy or of a finite course of immunosuppressive therapy. Hepatology 2009 AASLD practice guideline CH-B 啊﹗治療B肝這麼複雜,我 已經搞混了,誰記得住這 些guideline?怎麼辦? 可以將病人轉給 hepatologist 全民健康保險加強 慢性B、C型肝炎 治療試辦計畫 全民健康保險加強慢性B、C型肝炎治療試辦計畫 e(+) CHB 全民健康保險加強慢性B、C型肝炎治療試辦計畫 HBsAg(+) HBsAg (+) > 6個月 HBeAg (+) >3個月 ALT ≧ 5X 無肝功能代償不全 2X≦ ALT < 5X 且 HBV-DNA ≧ 20,000 IU/mL or 肝組織切片HBcAg(+) Zeffix(100mg) / Sebivo(600mg) / Baraclude(0.5mg) 12-36個月 IFN / Pegasys 6個月 IF HBeAg (+) Tx 36個月內,有e抗原陰轉者, 則可再给付最多12個月治療 全民健康保險加強慢性B、C型肝炎治療試辦計畫 e(-) CHB 全民健康保險加強慢性B、C型肝炎治療試辦計畫 HBsAg(+) HBsAg (+) > 6個月 HBeAg (-) >3個月 半年內2次以上ALT ≧2X (每次間隔3個月), 且HBV-DNA≧2,000 IU/mL or 肝組織切片HBcAg(+) Zeffix(100mg) / Sebivo(600mg) / Baraclude(0.5mg) 12-36個月 IFN / Pegasys 6個月 全民健康保險加強慢性B、C型肝炎治療試辦計畫 CHB decompensation 全民健康保險加強慢性B、C型肝炎治療試辦計畫 HBsAg(+) 已發生肝代償不全 (PT ≧ 3秒 or Bil ≧ 2mg/dl) Zeffix(100mg) / Sebivo(600mg) / Baraclude(0.5mg) 12-36個月 IF HBeAg (+) Tx 36個月內,有e抗原陰轉者, 則可再给付最多12個月治療 全民健康保險加強慢性B、C型肝炎治療試辦計畫 化療及移植 全民健康保險加強慢性B、C型肝炎治療試辦計畫 HBsAg(+) 1.接受非肝臟之器官移植後,B型肝炎發作者 2.接受癌症化學治療中,B型肝炎者發作者,經照會 消化系專科醫師同意後 Zeffix(100mg) / Sebivo(600mg) / Baraclude(0.5mg) 長期使用 全民健康保險加強慢性B、C型肝炎治療試辦計畫 HBsAg(+) 1. 接受肝臟移植者,可預防性使用 2. 接受癌症化學治療,經消化系專科醫師同意後,可於 化療前一週開始給付使用,直至化療結束後6個月,以 預防B肝發作 Zeffix(100mg) / Sebivo(600mg) / Baraclude(0.5mg) 全民健康保險加強慢性B、C型肝炎治療試辦計畫 肝硬化篇 全民健康保險加強慢性B、C型肝炎治療試辦計畫 HBsAg(+) 肝硬化病患 (1) HBsAg (+)且血清HBV DNA≧2,000IU/mL + (2) 肝組織切片(Metavir F4或Ishak F5以上) or 超音波診斷為肝硬化併食道或胃靜脈曲張 or 超音波診斷為肝硬化併脾腫大 可長期使用 Zeffix(100mg) / Sebivo(600mg) / Baraclude(0.5mg) 全民健康保險加強慢性B、C型肝炎治療試辦計畫 抗藥性篇 全民健康保險加強慢性B、C型肝炎治療試辦計畫 使用口服抗病毒藥 出現抗藥性病毒株 (指治療中HBV-DNA從治療期間之最低值上 升超過 1 log IU/mL) 1. Add on Adefovir →36個月 2. 改用Baraclude(1mg)僅限干安能抗藥性 →36個月 3. IFN or Pegasys →12個月 若停藥後復發,得以合併療法再治療一次, 療程為3年;或以干擾素再治療1年 Note: B型肝炎抗藥株復發療程定義為:治療完成時,血 中偵測不到病毒,停藥後血中病毒又再次偵測到。 健保相關 Q︰nephrotic syndrome或 是autoimmune disease 的HBsAg(+)病人使用 steroid,需要prophylaxis 嗎? Q︰標靶治療是 chemotherapy嗎? Q:已經開藥了,但 chemotherapy因故 延後,會被核刪嗎? 財團法人 肝病防治學術基金會 http://www.liver.org.tw/ 服務時間: 週一至週日 上午8:30~晚上9:00 為什麼 他可以健保用藥, 我卻不行? 案例 今早接獲一民眾來電,已吃貝樂克2年半 了,現今仍繼續治療中,但都自費領藥。 問題1—可否用健保來領藥(GPT已降至40 左右,病毒量仍有約10的4次方) 問題2—能否停藥?因長期自費治療已花了 很多錢 為什麼不能入健保用藥 沒有表面抗原資料 沒有e抗原資料 沒有HBV DNA資料 用藥資訊不清楚 我有B肝的病人 需要治療,我要 轉診給誰? Thanks chenhcc@ntuh.gov.tw