chronic hbv infection and hcc in china - dr. falk pharma medical university ... j i a n g s u...
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Chronic HBV Infection and HCC in China
Jidong Jia, MD, PhDLiver Research Center
Beijing Friendship HospitalCapital Medical University
March 15, 2008, Hangzhou
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Outlines
• HBV Infection and HCC• HBV viral load and HCC• HBV vaccine prevent HCC• Antiviral therapy to prevent HCC
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Geographic Distribution of Chronic HBV Infection
HBsAg Prevalence≥8% - High 2-7% - Intermediate <2% - Low
CDC
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HBsAg Prevalence in China(1992)
Jiangxi
Shaxi
Chongqing
Heilongjiang
Jilin
LiaoningInner M
ongolia
Beijing
TianjinHebei
Shandong
Jiangsu Shanghai
Zhejiang
TaiwanFujian
Guangdong
Hainan
GuaangxiYunnan
Guizhou
Sichuan
Tibet
Xinjiang
Qinghai
Gansu
Ningxia
Shanxi Henan
Hubei
Hunan
Anhui
HBsAg Prevalence
4~6%
7~8%
≥ 9%
National Survey of Serum Epidemiology of Viral Hepatitis in China. (part 1)(1992~1995),Science &Technology Literature Press, 1997
9.75%
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Natural History of Chronic HBV Infection
AcuteInfection
Chronic CarrierChronic Carrier
ResolutionResolution
30 - 50 Years
ChronicHepatitis
StabilisationStabilisation
ProgressionProgression
Cirrhosis
CompensatedCompensatedCirrhosisCirrhosis
HCC Death
Adapted from Feitelson, Lab Invest 1994
DecompensatedDecompensatedCirrhosisCirrhosis((DeathDeath))
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胃癌肝癌肺癌食管癌结直肠癌白血病子宫颈癌乳癌鼻咽癌膀胱其它
Chin J Oncol 1997
Stomach
LiverLungs
Esoph
Others
Colon-rect
LeukemiaUreters
HCC: No 2 Cause of Malignancy-deaths in China
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Mortality Rate of HCC in 2006(deaths/100 000)
Small-medium cities24.50 54.54
Major cities 20.65 30.43
• All ages • >50 yrs
Year Book on Health Statistics:2007
wwww.moh.gov.cn/open/statistics/year2007/p270.htm
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Chronic HBV infection and HCCChronic HBV infection and HCCin Taiwan, Chinain Taiwan, China
HBsAgHBsAg HBeAgHBeAg ALTALT Relative RiskRelative Risk---- ---- normnorm 11 (23/71,105 person(23/71,105 person--yr)yr)
---- ---- ↑↑ 5.45.4++ ---- Norm Norm 10.310.3++ ---- ↑↑ 29.329.3++ ++ Norm Norm 61.361.3++ ++ ↑↑ 109109
Yang et al NEJM, 2002; 347:168-74
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Incidence of HCC among Different HBV Status
Study Sample F/U (yr) incidence (%)HBVHBV carriercarrierBeasley 1981 3032 3.3 0.27Beasley 1988 3414 8.9 0.47CHBCHBBeasley 1981 390 3.3 0.62Beasley 1988 407 8.9 0.77Liaw 1986 432 2.2 0.83*Lo 1982 52 3.8 1.0Cirrhosis Cirrhosis Beasley 1988 40 8.9 2.2Liaw 1989 76 2.9 2.8Chen 1994 657 5.0 3.5 Lo 1982 24 3.8 4.4
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HBV DNA Level and Disease Progression including Occurrence of HCC
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0
2
4
6
8
10
12
14
0 1 2 3 4 5 6 7 8 9 10 11 12 13Year of follow-up
Cum
ulat
ive
inci
denc
e of
HC
C %
>10>1066cpmcpm
101055--101066cpm cpm
101044--101055cpm cpm 300300--101044cpm cpm < 300cpm < 300cpm
REVEAL: Higher viral loads are associated with increased rate of HCC
1515%%
1.3%1.3%
RR=11RR=11
Chen CJ, et al. JAMA. 2006;295:65-73.
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Haimen study: HCC Mortality by HBV Viral Load at Baseline
1.00
0.96
0.92
0.88
0.84
0.800 1 2 3 4 5 6 7 8 9 10 11 12
Surv
ival
Dis
trib
utio
n Fu
nctio
n
Survival Time (Years)
HBV DNA High (+)>105 copies/mL
RR=9.9 (3.2–31.0)
HBV DNA Low (+)1.6x103– <105 copies/mL
RR=1.8 (0.5–5.8)
HBV DNA (-)<1.6x103
copies /mL
Chen G, et al Am J Gastroenterol 2006;101:1797–1803
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Haimen study: Chronic Liver Disease Mortality by HBV Viral Load at Baseline
1.00
0.96
0.92
0.88
0.84
0.800 1 2 3 4 5 6 7 8 9 10 11 12
Surv
ival
Dis
trib
utio
n Fu
nctio
n
Survival Time (Years)
HBV DNA Low (+)1.6x103– <105 copies/mLRR=1.5 (0.2–11.8)
HBV DNA (-) <1.6x103 c/mL
HBV DNA High (+)>105 copies/mL
RR=13.4 (1.9–97.1)
Chen G, et al Am J Gastroenterol 2006;101:1797–1803
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Routine HBV Vaccination in the World,2002Yes No
Prevent HCC by HBV Vaccination
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Routine infant HBV vaccination
recommended, but families must pay for the vaccine & service
1st Jan 1992 1st Jan 2002
HBV vaccine integrated into EPI, but families must
pay for the service (~1 US$)
1st Jun 2005
HBV vaccine fully integrated into EPI for free
Universal Hepatitis B Vaccinationin Newborns in China
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Jiangxi
Shaxi
Chongqing
Heilongjiang
Jilin
LiaoningInner
Mongolia
BeijingTianjinHebei
Shandong
Jiangsu Shanghai
Zhejiang
TaiwanFujian
Guangdong
Hainan
GuaangxiYunnanGuizhou
Sichuan
Tibet
Xinjiang
Qinghai
Gansu
Ningxia
ShanxiHenan
Hubei
Hunan
Anhui
Jiangxi
Shaxi
Chongqing
Heilongjiang
Jilin
LiaoningInner
Mongolia
BeijingTianjinHebei
Shandong
Jiangsu Shanghai
Zhejiang
TaiwanFujian
Guangdong
Hainan
GuaangxiYunnanGuizhou
Sichuan
Tibet
Xinjiang
Qinghai
Gansu
Ningxia
ShanxiHenan
Hubei
Hunan
Anhui
Geographic Distribution of HBsAg Prevalence in China
HBsAg Prevalence
≥ 9%
4~6%
7~8%
National Survey for HBV Prevalence, 2004
National Survey for HBV Prevalence, 1992~1995
19952004
HBsAg + (%)
9.79.0
Year
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1~ 2~ 3~ 4~ 5~ 6~ 10~ 15~ 20~300
2
4
6
8
10
12
HB
sAg
Prev
alen
ce (%
)
Years of Age
2004
1992~1995
2.23.6
4.5
8.5
10.2 10.5
2.2 2.4
4.8
7.1
9.29.7
12.011.7 11.212.7
11.510.5
13
Age Distribution of HBsAg Prevalence in 1992~1995 & 2004National Surveys for HBV Prevalence, 1992~1995 & 2004
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Mortality of Liver Cancer of Different Age Groups in Longan County, Guangxi Zhuang Autonomous
Region
Age (Yrs)
10~
20~
30~
40~
50~
≥60
Population
1969-1988
No. HCC(1/100,000)
No. HCC(1/100,000)
Population
Times of Decline
1996-2001
1585 365
836 197
615 279
530 998
388 921
456 126
484 390
415 159
261 755
194 943
159 779
190 543
2( 0.4)
53(12.8)
154(58.8)
162(83.1)
145(90.8)
118(61.9)
91( 5.7)
438( 52.4)
807(131.2)
758(142.8)
469(120.6)
265( 58.1)
14.3
4.1
2.2
1.7
1.3
0.9
Li RC, et al. Chin J Hepatol 2004; 12
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Mor
talit
y of
HC
C (p
er 1
00,0
00 )
1
0
2
3
4
5
6
5.7
2.6
0.0
P < 0.01
1969~1985 1986~1992 1993~1996
Li RC, Yang JY, Gong J, et al. Proceedings of the Ninth National Symposium on Viral Hepatitis, 1998, Hangzhou, 79-82
Before Vaccination After Vaccination
Mortality Rates of HCC in Children Aged 10~19 Years in Longan County, Guangxi Zhuang Autonomous Region
before and after HBV Vaccination
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0
0.2
0.4
0.6
0.8
1.0
1981~1986 1986~1990 1990~1996
0.7 0.57
0.36
Chang MH, et al. N Engl J Med 1997
Changes in Incidence Rates of HCC among Children 6~14 years of age in
Taiwan
Inci
denc
e (/1
0,00
0)
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Hepatitis B ImmunizationDecreases HCC In Singapore
Age-standardised incidence rate ofliver cancer in males, 1968-1997
28.8 27.6 27.8
22.919.0 18.9
0
10
20
30
40
50
1968-72 1973-77 1978-82 1983-87 1988-92 1993-97
Year
Inci
denc
e ra
te p
er 1
00,0
00
Lyn James,Deputy Director (Communicable Diseases)Epidemiology & Disease Control Division, Ministry of Health,Singapore
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Antiviral Therapy to Reduce the Incidence of HCC
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InterferonsInterferons Reduce HCC Incidence Reduce HCC Incidence in Cirrhotic Patientsin Cirrhotic Patients
IFNIFN
5185183434404049499494
ContrContr
162162282850509797219219
IFNIFN
001.41.41.41.4
1.51.5
ContrContr
6.26.23.63.61.71.7
3.33.3
RRRR
0.030.030.40.40.960.960.980.980.450.45
SigaporeSigaporeItalyItalyEuropeEuropeItalyItalyJapanJapan
Case NCase N HCC Incidence HCC Incidence
Oon CJ, et al. Cancer Chemother Pharmacol, 1992,31(Suppl 1):S137-S142 Mazzella G, et al. J Hepatol, 1996,24:141-147Fattovich G, et al. Hepatology, 1997,26:1338-1342International Interferon-alfa Hepatocellular Carcinoma Study Group. Lancet, 1998,351:1535-1539Ikeda K, et al. Cancer, 1998,82:827-835
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24
HC
Cdi
agno
sis
Diagnostic time(m)
Lam
Placebo
P=0.047
Excluding the 5 cases of 1 sr yr, HR=0.47; P=0.052
Liaw et al, N Engl J Med 2004,351:1521-1531.
Lam Reduces HCC IncidenceLam Reduces HCC Incidence
5%
10%
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25
Wild type (n=221)YMDD variant (n=209) (49%)
Time after randomizaiton (m)
0
5
10
15
20
25
0 6 12 18 24 30 36
Dis
ease
pro
gres
sion
% Placebo (n=215)
YMDD variant
Wild
Placebo
5%
13%
21%
Liaw et al, NEJM 2004
Lam Prevents Disease Progression Lam Prevents Disease Progression
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26
Antiviral Agents for HBV in ChinaAntiviral Agents for HBV in China
InterferonsConventional IFN alphaPEG-IFN alpha
Nucleos(t)ide analogsLamivudineAdefovir dipivoxilEntecavirTelbivudine
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Guideline on the Prevention and Treatment of CHB
Chinese Society of HepatologyChinese Society of Infectious Diseases
Dec 10, 2005
The Great Hall of People
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中华医学会肝病学分会中华医学会肝病学分会 中华医学会感染病学分会中华医学会感染病学分会
China Chronic Hepatitis B Education Program(CCHEP)
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Acknowledgement
Special thanks to Prof Zhuang Hui at PU
for give me some excellent slides
in this talk!