Hepatitis C virus infection in children with and...
Transcript of Hepatitis C virus infection in children with and...
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Hepatitis C Virus Infection in
Children with and without HIV
TREATMENT
Giuseppe Indolfi
Pediatria Medica, Epatologia Pediatrica,
AOU Meyer, Firenze
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Hepatitis C
Disclosure
nothing to disclose
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Hepatitis C
Outline
clinical background
treatment: the present and the future
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Bortolotti F, Gastroenterology 2008
504 children with hepatitis C
follow up: 10 years
7.5
92
1.80
25
50
75
100
clearance
%
Hepatitis C in Children
Natural history of the infection
persistent
infectioncirrhosis
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HCV/HIV Coinfected Adults
Main data
accelerated hepatic fibrosis progression
higher rates of liver failure and death
hepatocellular carcinoma at younger ages than
those with HCV monoinfection
EASL Guideline, J Hepatol 2015
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HCV/HIV Coinfection and Liver Disease
Paediatric data
HCV treatment in children and young adults with
HIV/HCV co-infection in Europe
Turkova A, J Virus Erad 2015
HIV /HCV co-infection in 229 children and young adults:
results from a European cohort collaboration
Thorne C for EPPICC, ESPID 2014
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Hepatitis C in HCV/HIV Coinfection
Paediatric data
HIV coinfection
increases the risk of HCV vertical transmission
reduces the rate of spontaneous clearance of HCV
is associated with higher HCV viraemia and ALT
levels
worsens the natural history of hepatitis C
Indolfi G, J Pediatr Gastroenterol Nutr 2015 in press
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HCV/HIV Coinfection and Liver Disease
Paediatric data
Transient elastography
67%20%
13%
<7.2 kP
7.3-9.5 kP
>9.5 kP
Turkova A, J Virus Erad 2015
n 95
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Chronic hepatitis C in children
The drugs
peg-IFN-α-2b (1.5 µg/Kg/week) (>3 yrs)
(approved FDA Dec 2008; EMA Dec 2009)
peg-IFN-α-2a (100 µg/m2/week) (>5 yrs)
(approved FDA Dec 2009, EMA Mar 2013)
ribavirin 15 mg/Kg/day (max 1,2 g) (>3 yrs)
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Paediatric Data PEG-IFN + RIBA
monoinfection
Druyts E, Clin Infect Dis 2013
58 52
89
0
25
50
75
100
all GTs GTs 1,4 GTs 2,3
50
29
80
0
25
50
75
100
all GTs GTs 1,4 GTs 2,3
SVR%
Turkova A, J Virus Erad 2015
coinfectionn 50
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median duration of treatment, independently
of genotype: 47 weeks (range 8-82)
SVR24 was very low (12%) in children with
advanced liver fibrosis
PEG-IFN + RIBA
HCV/HIV coinfected children
Turkova A, J Virus Erad 2015
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Direct Acting Antiviral Agents (DAAs)
Modified from Lange C, EMBO Mol Med 2014;
Good profile
Average profile
Least favourable profile
Resistanceprofile
Pangenotypic efficacy
Antiviral potency
AEs
1st-generation PI
2nd-generation PI
Nucleoside NS5B
polymerase inhibitors
Non-nucleoside NS5B
polymerase inhibitors
NS5A inhibitors
NS3/4A protease inhibitors
(PI)
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Direct Acting Antiviral Agents (DAAs)
• boceprevir• telaprevir• paritaprevir
• simeprevir• asunaprevir• grazoprevir
• sofosbuvir• VX-135
• IDX 24437• ACH 3422
• daclatasvir• ledipasvir• ombitasvir
• elbasvir• GS-5816
• dasabuvir• beclabuvir
Main Drugs
Nucleoside NS5B
polymerase inhibitors
(xxx-buvir)
Non-nucleoside NS5B
polymerase inhibitors
(xxx-buvir)
NS5A inhibitors
(xxx-asvir)
NS3/4A protease inhibitors
(xxx-previr)
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How Many Drugs To Treat HCV?
Nucleoside NS5B
polymerase inhibitors
NS3/4A protease
inhibitors
Non-nucleoside NS5B
polymerase inhibitors
NS5A inhibitors
NS3/4A protease
inhibitors
NS5A inhibitors
or
NS3/4A protease
inhibitors
NS5A inhibitors
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Sofosbuvir(nNS5B) + ledipasvir(NS5A) (FDC)
± RBV
94 93 95
0
20
40
60
80
100
+ RBV
8 weeks
Treatment-naïve, HCV G1 non-cirrhotic patients
SV
R12,
%
202
215
201
216
216
45
Kowdley KW, N Engl J Med 2014
12 weeks
ION 3
Sofosbuvir (400 mg QD), ledipasvir (90 mg QD),
RBV weight-based.
EMA FDA
GT1
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Sofosbuvir(nNS5B) + ledipasvir(NS5A) (FDC)
± RBV in HIV/HCV coinfection
96
0
20
40
60
80
100
12 weeks
Treatment-naïve
SV
R12,
%
321
335
Naggie S, CROI 2015Sofosbuvir (400 mg QD), ledipasvir (90 mg QD),
RBV weight-based.
EMA FDA
patients receiving ART therapy
HIV RNA values < 50 copies/mL
CD4 T-lymphocyte > 100 cells/µL
untreated with CD4 > 500 cells/µL
GT1
ION4 Study
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Paritaprevir/r(PI) + ombitasvir(NS5A) (FDC)
+ dasabuvir(nnNS5B) ± RBV
Ferenci P, N Engl J Med 2014
Paritaprevir/ritonavir/Aombitasvir (150/100/25 mg QD),
Dasabuvir (250 mg BID), RBV weight-based
99 9799
90
0
20
40
60
80
100
G1b G1a
SV
R12,
%
Treatment-naïve
HCV G1 non-cirrhotic patients, treated for 12 weeks
RBV
No RBV
209
210
207
209
97
100
185
205
PEARL-III PEARL-IV
EMA FDA
GT1
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Paritaprevir/r(PI) + ombitasvir(NS5A) (FDC) +
dasabuvir(nnNS5B) ± RBV in HIV/HCV coinfection
Sulkowski MS, JAMA 2015
Paritaprevir/ritonavir/Aombitasvir (150/100/25 mg QD),
Dasabuvir (250 mg BID), RBV weight-based
99 97
0
20
40
60
80
100
G1
SV
R12,
%
29
31
29
32
TURQUOISE-I
12 weeks 24 weeks
prior treatment failure with IFN
and cirrhosis not excluded
CD4+ > 200/mm3 or
CD4+ >14%
HIV-1 RNA suppressed on
atazanavir- or raltegravir-inclusive ART
regimen
5 patients did not achieve SVR
• 1 withdrew consent
• 2 HCV reinfection
• 1 virologic relapse
• 1 breakthrough
GT1
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Sofosbuvir(nNS5B) + ribavirin
97 97 93
0
20
40
60
80
100
FISSION (1) VALENCE (2) POSITRON (3)
SV
R12,
%
68
70
31
32
101
109
1. Lawitz E, N Engl J Med 2013
2. Zeuzem S, N Engl J Med 2014
3. Jacobson IM, N Engl J Med 2013 Sofosbuvir (400 mg QD), RBV weight-based.
12 weeks 12 weeks
Treatment-naïveTreatment-naïve,
IFN-inelegible
EMA FDA
GT2
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Sofosbuvir(nNS5B) + ribavirin
56 61
93
0
20
40
60
80
100
FISSION (1) POSITRON (2) VALENCE (3)
SV
R12,
%
102
183
98
105
60
98
1. Lawitz E, N Engl J Med 2013
2. Jacobson IM, N Engl J Med 2013
3. Zeuzem S, N Engl J Med 2014Sofosbuvir (400 mg QD), RBV weight-based.
12 weeks 12 weeks
Treatment-naïveTreatment-naïve,
IFN-inelegible
24 weeks
Treatment-naïve
EMA FDA
GT3
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8492
70
89
0
20
40
60
80
100
Sofosbuvir(nNS5B) + ribavirinS
VR
12,
%
21
25
Esamt GE, AASLD 2014, abstract 959Sofosbuvir (400 mg QD), RBV weight-based (1,000-1,200 mg)
12 weeks
Treatment-naïve
Egyptian patients
22
24
24 weeks 12 weeks
Treatment-experienced
Egyptian patients
24 weeks
19
27
24
27
EMA FDA
GT4
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Sofosbuvir(nNS5B) + ribavirin
in HIV/HCV coinfection
85 88 89 84 8983
0
20
40
60
80
100
Gt 1 Gt 2 Gt 3 Gt 4 Gt 2-3 treat
naive
GT 2-3 treat
exp
SV
R12,
%
Molina JM, Lancet 2015Sofosbuvir (400 mg QD), RBV 1000--1200 mg.
GT 1, 3, 4 24wks
GT 2 12 wks
EMA FDA
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WARNINGS
DILI # ART
drug-drug interaction
ledipasvir increases tenofovir levels
ritonavir needs to be adjusted (or held) when
administered with ritonavir-boosted anti-HCV
medications
simeprevir NOT be used with efavirenz, etravirine,
nevirapine, cobicistat, or any HIV protease inhibitor
aidsinfo.nih.gov / hep-druginteractions.org, last accessed yesterday
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EASL Guideline, J Hepatol 2015
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Hepatitis C in Mono and Coinfected Children
Conclusions
hepatitis C in coinfected children could be a
severe disease
new anti-HCV drugs will change the paradigm
of treatment in mono- and coinfected children
HCV/HIC coinfected patients are no longer a
difficult to treat population
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Acknowledgments
Paediatric and Liver Unit
Massimo Resti
Elisa Bartolini
Immunology Lab
Chiara Azzari
Maria Moriondo
Giusi Mangone
PENTA-HepCarlo Giaquinto
Claire Thorne
Anna Turkova ...............