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New & Emerging Interferon‐Free, Direct‐Acting Antiviral Regimens for the Treatment of Hepatitis C: An Expert Review of Recent Clinical Data
New & Emerging Interferon‐Free, Direct‐Acting Antiviral Regimens for the Treatment of Hepatitis C: An Expert Review of Recent Clinical Data
Sponsored for CME credit byRush University Medical Center
Supported by independent educational grants from AbbVie,
Boehringer Ingelheim and Janssen Therapeutics
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Content Development FacultyContent Development Faculty
Paul Kwo, MDProfessor of Medicine
Medical Director, Liver TransplantationIndiana UniversityIndianapolis, IN
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IntroductionIntroduction
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Chronic HCV in the US:Underdiagnosed and UntreatedChronic HCV in the US:Underdiagnosed and Untreated
Estimated treatment rate is based on Q2 and Q4 2011 chart audits.Hepatitis C Monitor. Ipsos Healthcare.
0
500
1000
1500
2000
2500
3000
3500
4000
4500
Nu
mb
er (
in ‘
000s
)
Prevalence Diagnosed Treated
4.1 M
1.6 M
89,000
38%Diagnosed
5.5%Treated
Unaware of Infection
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Chronic HCV Undetected by Risk-Based Screening in Primary CareChronic HCV Undetected by Risk-Based Screening in Primary Care
Cross-sectional study (2005-2010) of adult ( ≥18 years) patients in 4 large primary health care systems
Among 209,076 patients who attended at least 1 medical appointment:– 8.4% (17,464) had been tested for HCV, and 1115 cases were detected
Risk factors for HCV positivity among identified cases
Applying these risk factors to the entire cohort predicted that 6005 patients had HCV infection
Undetected cases (4890) accounted for 81% of HCV infections
Yartel AK, et al. Hepatology. 2013;58(suppl 1):219A. Abstract 24.
Predictors of HCV positivity Adjusted odds ratio*
Born 1945-1965Male genderBlackHispanicElevated ALTIntravenous drug use
4.41.41.91.54.86.3
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HCV Screening RecommendationsHCV Screening Recommendations
Testing recommended at least once for persons born between 1945 and 1965
Others: Screen for risk factors and perform one-time testing if risk factors present
Annual HCV testing recommended for persons who inject drugs and for HIV-seropositive men who have unprotected sex with men
Periodic testing should be offered to other persons with ongoing risk factors for exposure to HCV
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
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Risk Factors That Should Prompt One-Time or Periodic TestingRisk Factors That Should Prompt One-Time or Periodic Testing
Risk behaviors– Injection drug use (current or ever, including only once)– Intranasal illicit drug use
Risk exposures– Long-term hemodialysis (ever)– Getting a tattoo in an unregulated setting– Healthcare, emergency medical, and public safety workers after needle sticks, sharps, or
mucosal exposures to HCV-infected blood– Children born to HCV-infected women– Prior recipients of transfusions or organ transplants, including persons who:
• Were notified that they received blood from a donor who later tested positive for HCV infection• Received a transfusion of blood or blood components, or underwent an organ transplant before July 1992• Received clotting factor concentrates produced before 1987• Were ever incarcerated
Other medical conditions associated with risk– HIV infection– Unexplained chronic liver disease and chronic hepatitis including elevated alanine
aminotransferase levels
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
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Preferred Treatment Recommendations: Initial Therapy or Relapsed after Prior PRAASLD-IDSA
Preferred Treatment Recommendations: Initial Therapy or Relapsed after Prior PRAASLD-IDSA
Genotype 1IFN eligible
IFN ineligible†
Sofosbuvir + PR 12 weeks
Sofosbuvir + simeprevir* ± RBV 12 weeks
Genotype 2 Sofosbuvir + RBV 12 weeks
Genotype 3 Sofosbuvir + RBV 24 weeks
Genotype 4IFN eligible
IFN ineligible
Sofosbuvir + PR 12 weeks
Sofosbuvir + RBV 24 weeks
Genotype 5 or 6 Sofosbuvir + PR 12 weeks
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
PR: Pegylated interferon + Ribavirin.
† Currently recommended only for patients who require immediate treatment.
*For genotype 1a, baseline resistance testing for the Q80K polymorphism should be performed and alternative treatments considered if this mutation is present.
Do not treat decompensated cirrhosis with PegIFN or simeprevir
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Alternative Treatment Recommendations: Initial Therapy or Relapsed after Prior PRAASLD-IDSA
Alternative Treatment Recommendations: Initial Therapy or Relapsed after Prior PRAASLD-IDSA
Genotype 1IFN eligible
IFN ineligible†
Simeprevir* 12 weeks + PR 24 weeks
Sofosbuvir + RBV 24 weeks
Genotype 2 None
Genotype 3 Sofosbuvir + PR 12 weeks
Genotype 4IFN eligible
IFN ineligible
Simeprevir 12 weeks + PR 24-48 weeks
None
Genotype 5 or 6 PR 48 weeks
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
PR: Pegylated interferon + Ribavirin.
†Currently recommended only for patients who require immediate treatment.
*Acceptable alternative for genotype 1b patients, or genotype 1a patients in whom the Q80K polymorphism is not detected before treatment.
Do not treat decompensated cirrhosis with PegIFN or simeprevir
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Not Recommended as Therapy for Treatment-Naïve PatientsAASLD-IDSA
Not Recommended as Therapy for Treatment-Naïve PatientsAASLD-IDSA
Genotype 1PR ± telaprevir or boceprevir for 24 or 48 weeksMonotherapy with PegIFN, RBV, or a DAA
Genotype 2PR for 24 weeksMonotherapy with PegIFN, RBV, or a DAATelaprevir-, boceprevir-, or simeprevir-based regimens
Genotype 3PR for 24 or 48 weeksMonotherapy with PegIFN, RBV, or a DAATelaprevir-, boceprevir-, or simeprevir-based regimens
Genotype 4PR for 24 or 48 weeksMonotherapy with PegIFN, RBV, or a DAATelaprevir-, boceprevir-, or simeprevir-based regimens
Genotype 5 or 6Monotherapy with PegIFN, RBV, or a DAATelaprevir- or boceprevir-based regimens
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
PR: Pegylated interferon + Ribavirin.
Do not treat decompensated cirrhosis with PegIFN or simeprevir
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Preferred Treatment Recommendations: Partial or Null Response to Prior PR†
AASLD-IDSA
Preferred Treatment Recommendations: Partial or Null Response to Prior PR†
AASLD-IDSA
Genotype 1Prior PR Sofosbuvir + simeprevir ± RBV 12 weeks
Prior PR-based triple therapy
Sofosbuvir 12 weeks + PR 12-24 weeks
Genotype 2 Sofosbuvir + RBV 12 weeks
Genotype 3 Sofosbuvir + RBV 24 weeks
Genotype 4 Sofosbuvir + PR 12 weeks
Genotype 5 or 6 Sofosbuvir + PR 12 weeks
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
PR: Pegylated interferon + Ribavirin.
†Consideration should be given to postponing treatment, pending release of new drugs for patients with limited hepatic fibrosis (F 0-2)
Do not treat decompensated cirrhosis with PegIFN or simeprevir
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Alternative Treatment Recommendations: Partial or Null Response to Prior PR†
AASLD-IDSA
Alternative Treatment Recommendations: Partial or Null Response to Prior PR†
AASLD-IDSA
Genotype 1Prior PR
Sofosbuvir 12 weeks + PR 12-24 weeksSofosbuvir + RBV 24 weeksSimeprevir 12 weeks + PR 48 weeks*
Prior PR-based triple therapy
Sofosbuvir + RBV 24 weeks (IFN ineligible)Sofosbuvir + PR 24 weeks (IFN eligible)
Genotype 2 None
Genotype 3 Sofosbuvir + PR 12 weeks
Genotype 4IFN eligible
IFN ineligible
Simeprevir 12 weeks + PR 24-48 weeks
None
Genotype 5 or 6 PR 48 weeks
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
PR: Pegylated interferon + Ribavirin.
†Consideration should be given to postponing treatment, pending release of new drugs for patients with limited hepatic fibrosis (F 0-2).
*For genotype 1a, baseline resistance testing for Q80K should be performed and alternative treatments considered if this mutation is present.
Do not treat decompensated cirrhosis with PegIFN or simeprevir
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Not Recommended as Therapy for Patients with Partial or Null Response to Prior PR† AASLD-IDSA
Not Recommended as Therapy for Patients with Partial or Null Response to Prior PR† AASLD-IDSA
Genotype 1PR ± telaprevir or boceprevir Monotherapy with PegIFN, RBV, or a DAA
Genotype 2PR ± telaprevir or boceprevir Monotherapy with PegIFN, RBV, or a DAA
Genotype 3PR ± any current protease inhibitorMonotherapy with PegIFN, RBV, or a DAA
Genotype 4PR ± any current HCV protease inhibitorMonotherapy with PegIFN, RBV, or a DAA
Genotype 5 or 6PR ± any current HCV protease inhibitorMonotherapy with PegIFN, RBV, or a DAA
AASLD and IDSA. Available at: http://www.hcvguidelines.org/full-report-view. Version March 21, 2014
PR: Pegylated interferon + Ribavirin.
Do not treat decompensated cirrhosis with PegIFN or simeprevir
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IFN-Free Regimens for Chronic HCV InfectionIFN-Free Regimens for Chronic HCV Infection
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Rationale for IFN-Free Direct-Acting Antiviral Therapy for HCVRationale for IFN-Free Direct-Acting Antiviral Therapy for HCV
Drawbacks of IFN-based Therapy– Challenging tolerability – High percentage of patients are ineligible for IFN– Long duration of therapy– Low SVR rates compared to modern all-oral regimens
• PR: ~40-50% in treatment-naïve patients
• Triple therapy PR + boceprevir or telaprevir: ~70%
– Many patient-specific and virus-specific factors affecting eligibility or treatment response (Race, IL28B, cirrhosis, prior treatment, etc)
– Development of resistance– Requires injection
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Overview of DAAsOverview of DAAs
NS3/4A NS5A NS5B
Function Serine Protease Component of HCV Replication Complex
RNA-dependent RNA polymerase
Drugs CovalentBoceprevirTelaprevir Non-covalentFaldaprevirSimeprevirABT-450AsunaprevirMK-5172
LedipasvirDaclatasvirOmbitasvirMK-8742PPI-668
Nucleoside analogsSofosbuvir Non-nucleosideBMS-791325DasabuvirDeleobuvir
C E1 E2 p7 NS2 NS3 NS4A NS4B NS5A NS5B
Core Envelope Glycoproteins Protease SerineProtease
Helicase SerineProteaseCofactor
RNA-dependent RNA polymerase
Component of HCV Replicase
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Guide to Trials of Sofosbuvir ± SimeprevirGuide to Trials of Sofosbuvir ± Simeprevir
1 IFN ineligibleSofosbuvir +
simeprevir ± RBV 12 weeks
GenotypePatient
characteristicRecommended(AASLD-IDSA)
Supporting Trial Evidence
COSMOS(phase II)
2/3Sofosbuvir + RBV
12 weeks/24 weeks
FISSIONPOSITRON (IFN ineligible)
VALENCE
Failed prior PRSofosbuvir + RBV
12 weeks/24 weeks
FUSION
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COSMOS: Simeprevir + Sofosbuvir ± RBV: Genotype1COSMOS: Simeprevir + Sofosbuvir ± RBV: Genotype1
Sulkowski M, et al. EASL International Liver Congress, 2014. Abstract O7.
Jacobson IM, et al. Hepatology. 2013;58(suppl 1):73A. Abstract LB-3.
SV
R12
, %
Pat
ien
ts
No Cirrhosis (F0-F2)Prior PR Null-Responders
93%
24 Weeks12 Weeks
Simeprevir + sofosbuvir
No RBV With RBV
96% 93%
79%
SV
R12
, %
Pat
ien
ts
F3-F4Treatment-naive and Prior PR Null
Responders
Overall
Simeprevir + sofosbuvir
n=27 n=14 n=24 n=15 n=87 14 30 16
12 weeks 24 Weeks±R
BV
+R
BV
+R
BV
-RB
V
-RB
V
27
2 relapses
1 relapse
2 non-virological
failures
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FISSION Trial: Sofosbuvir + RBV: GT2 &3 FISSION Trial: Sofosbuvir + RBV: GT2 &3
Gane E, et al. J Hepatol. 2013;58(suppl 1):S3. Abstract 5.Lawitz E, et al. N Engl J Med. 2013;368:1878-1887.
0
20
40
60
80
100
SV
R12
, %
Pat
ien
ts
Genotype 2
98%
91%
82%
62%
No Cirrhosis Cirrhosis0
20
40
60
80
100
SV
R12
, %
Pat
ien
ts
Genotype 3
61%
71%
34%30%
No Cirrhosis Cirrhosis
Sofosbuvir + RBV
PR
n=59 n=54 n=11 n=13 n=145 n=139 n=38 n=37
Sofosbuvir + RBV
PR
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POSITRON: Sofosbuvir + RBV for 12 WeeksPOSITRON: Sofosbuvir + RBV for 12 Weeks
Jacobson IM, et al. J Hepatol. 2013;58(suppl 1):S28. Abstract 61.Jacobson IM, et al. N Engl J Med. 2013;368:1867-1877.
0
20
40
60
80
100
SV
R12
(%
)
Genotype 2
92% 94%
No Cirrhosis(n=92)
Cirrhosis(n=17)
0
20
40
60
80
100
Pat
ien
ts (
%)
Genotype 3
68%
21%
No Cirrhosis(n=84)
Cirrhosis(n=14)
SVR12 rate was 0% in the placebo arm.
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VALENCE Trial: Sofosbuvir + RBVVALENCE Trial: Sofosbuvir + RBV
Zeuzem S, et al. Hepatology. 2013;58(suppl 1):733A-734A. Abstract 1085.
0
20
40
60
80
100
SV
R12
(%
)
93100
8591
97
Overall
94 9287
Genotype 2 (12 weeks)
Genotype 3 (24 weeks)
Noncirrhotic
60
88
Treatment-Naive
Cirrhotic Noncirrhotic Cirrhotic
Treatment-Experienced
No resistance detected in patients with relapse.
n=73 n=250 n=30 n=92 n=2 n=13 n=33 n=100 n=8 n=45
Treatment-naïve or experiencedApproximately 20% with cirrhosis
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FUSION Trial: SVR12 Rates by Genotype and CirrhosisFUSION Trial: SVR12 Rates by Genotype and Cirrhosis
Nelson DR, et al. J Hepatol. 2013;58(suppl 1):S3-S4. Abstract 6.
Jacobson IM, et al. N Engl J Med. 2013;368:1867-1877.
0
20
40
60
80
100
Pat
ien
ts (
%)
Genotype 2
96%
60%
100%
78%
No Cirrhosis Cirrhosis0
20
40
60
80
100
Pat
ien
ts (
%)
Genotype 3
37%
63%
19%
61%
No Cirrhosis Cirrhosis
Sofosbuvir + RBV
12 weeks 16 weeks
Sofosbuvir + RBV
12 weeks 16 weeks
n=26 n=23 n=10 n=9 n=38 n=40 n=26 n=23
Failed prior IFN-based therapyTargeted 30% with cirrhosis
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Content Development FacultyContent Development Faculty
Kris Kowdley, MDDirector, Liver Center of Excellence
Digestive Disease InstituteVirginia Mason Medical CenterClinical Professor of Medicine
University of WashingtonSeattle, WA
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Investigational, IFN-Free, DAA Combination Regimens Investigational, IFN-Free, DAA Combination Regimens
Part A: Treatment-Naïve Patients Phase III Trials
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SAPPHIRE-I: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)SAPPHIRE-I: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Feld JJ, et al. EASL International Liver Congress, 2014. Abstract O60.
Feld JJ, et al. NEJM 2014 DOI: 10.1056/NEJMoa1315722
3D + RBV
Placebo 3D + RBV
0 12 24 60 72
Double-blind Treatment Period
Open-label Treatment Period
Primary analysis:SVR12
3D: Co-formulated ABT-450/ritonavir/ombitasvir, 150 mg/ 100 mg/ 25 mg + dasabuvir, 250 mgRBV: 1000-1200 mg daily, weight-based
NS3/4A
NS5A
NS5B Non-Nuc
Genotype 1Treatment-naïveNo cirrhosis
Phase 3
Weeks
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SAPPHIRE-I: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)SAPPHIRE-I: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Feld JJ, et al. EASL International Liver Congress, 2014. Abstract O60.
Feld JJ, et al. NEJM 2014 DOI: 10.1056/NEJMoa1315722
NS3/4A
NS5A
NS5B Non-Nuc96.2 95.3 98.1
0
20
40
60
80
100
All Patients(N=473)
GT1a(n=322)
GT1b(n=151)
SV
R12
, % P
atien
ts
SVR12 non-inferior and superior to a historical control of telaprevir + PR (78%)
Phase 3
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SAPPHIRE-I: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)SAPPHIRE-I: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Feld JJ, et al. EASL International Liver Congress, 2014. Abstract O60.
Feld JJ, et al. NEJM 2014 DOI: 10.1056/NEJMoa1315722
NS3/4A
NS5A
NS5B Non-Nuc
95.2 96.4 97 97 98.193.5
97.5 96.291.5
94.3 95.7 96.492.5
0
20
40
60
80
100
Male
SVR1
2, %
Pati
ents
Female Black Non-Black
<30 ≥30 F0-F1 F2 F3 <800K ≥3800K Yes No
Gender Race BMI (kg/m2)
FibrosisStage
RBVModification
Baseline HCV RNA
(IU/ml)
Phase 3
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PEARL-III: ABT-450/r + Ombitasvir + Dasabuvir (3D) ± RBV PEARL-III: ABT-450/r + Ombitasvir + Dasabuvir (3D) ± RBV
Ferenci P, et al. EASL International Liver Congress, 2014. Abstract P1299.
NS3/4A
NS5A
NS5B Non-Nuc99.5 99
0
20
40
60
80
100
3D +RBV(n=210)
3D(n=209)
SV
R12
, %
Pat
ien
ts
Genotype 1bTreatment-naïveNo cirrhosis3D + RBV versus 3D alone
Phase 3
3D: Co-formulated ABT-450/ritonavir/ombitasvir, 150 mg/ 100 mg/ 25 mg + dasabuvir, 250 mgRBV: 1000-1200 mg daily, weight-based
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ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
Mangia A, et al. EASL International Liver Congress, 2014. Abstract O164.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402454
NS3/4A
NS5A
NS5B NucLDP/SOF
LDP/SOF + RBV
0 12 24 36
Genotype 1Treatment-naïveTargeted 20% with cirrhosis (actual 15-17%)Platelet count ≥50,000, no neutrophil minimum
Phase 3
LDP/SOF
LDP/SOF + RBV
SVR12
SVR12
SVR12
SVR12
LDP/SOF: Ledipasvir/Sofosbuvir fixed-dose combination tablet (90 mg/400 mg daily)
Weeks
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30
ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
Mangia A, et al. EASL International Liver Congress, 2014. Abstract O164.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402454
NS3/4A
NS5A
NS5B Nuc99 97 98 99
0
20
40
60
80
100
LDV/SOF(n=214)
SV
R12
, %
Pat
ien
ts
LDV/SOF + RBV(n=217)
LDV/SOF(n=217)
LDV/SOF + RBV(n=217)
12 Weeks 24 Weeks Treatment duration
Phase 3
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31
ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
Mangia A, et al. EASL International Liver Congress, 2014. Abstract O164.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402454
NS3/4A
NS5A
NS5B Nuc99 97 98 9994
10094
100
0
20
40
60
80
100C
irrho
sis
Cirr
hosi
s
Cirr
hosi
s
Cirr
hosi
s
LDV/SOF
SV
R12
, %
Pat
ien
ts
LDV/SOF + RBV LDV/SOF LDV/SOF + RBV
12 Weeks 24 Weeks Treatment duration
Phase 3
n=180 n=34 n=184 n=33 n=180 n=33 n=181 n=36
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32
ION-3: Sofosbuvir + Ledipasvir 8 Weeks Vs 12 Weeks
ION-3: Sofosbuvir + Ledipasvir 8 Weeks Vs 12 Weeks
Kowdley KV, et al. EASL International Liver Congress, 2014. Abstract O56.
Kowdley KV, eta l. NEJM 2014;370:1879-1888
NS3/4A
NS5A
NS5B NucLDP/SOF
LDP/SOF + RBV
Genotype 1Treatment-naïveNon-cirrhotic
Phase 3
LDP/SOF
SVR12
SVR12
SVR12
LDP/SOF: Ledipasvir/Sofosbuvir fixed-dose combination tablet (90 mg/400 mg daily)
0 12 248 20 Weeks
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33
ION-3: Sofosbuvir + Ledipasvir8 Weeks Vs 12 Weeks
ION-3: Sofosbuvir + Ledipasvir8 Weeks Vs 12 Weeks
Kowdley KV, et al. EASL International Liver Congress, 2014. Abstract O56.
Kowdley KV, eta l. NEJM 2014;370:1879-1888
NS3/4A
NS5A
NS5B Nuc94 93 95
0
20
40
60
80
100
LDV/SOF(n=215)
SV
R12
, %
Pat
ien
ts
LDV/SOF + RBV(n=216)
LDV/SOF(n=216)
8 Weeks 12 Weeks Treatment duration
Non-inferiority analysis
P=0.70 P=0.30
P=0.52
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34
HALLMARK DUAL: Daclatasvir + Asunaprevir: GT1bHALLMARK DUAL: Daclatasvir + Asunaprevir: GT1b
Manns M, et al. EASL International Liver Congress, 2014. Abstract O166.
NS3/4A
NS5A
NS5B
DCV + ASV
DCV + ASV Enter another studyDCV + ASV 24 weeks
0 12 24 36
Genotype 1bTreatment-naïve, prior null or partial response to PR, IFN intolerant or ineligible
Phase 3
Weeks
STOP
12-week arm discontinued and participants invited to enroll in separate 24-week trial
DCV: Daclatasvir, 60 mg dailyASV: Asunaprevir, 100 mg twice daily
DCV + ASV
DCV + ASV
Treatment-naive
Nonresponder
Ineligible/ Intolerant
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35
HALLMARK DUAL: Daclatasvir + Asunaprevir: GT1bHALLMARK DUAL: Daclatasvir + Asunaprevir: GT1b
Manns M, et al. EASL International Liver Congress, 2014. Abstract O166.
NS3/4A
NS5A
NS5B90
82 82
0
20
40
60
80
100
Treatment-naive(n=203)
16% cirrhosis
SV
R12
, %
Pat
ien
ts
Nonresponders(n=205)
31% cirrhosis
Ineligible/Intolerant(n=235)
47% cirrhosis
Phase 3
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Investigational, IFN-Free, DAA Combination Regimens Investigational, IFN-Free, DAA Combination Regimens
Part A: Treatment-Naïve Patients Phase II Trials
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37
Study 014: Daclatasvir + Asunaprevir + BMS-791325Study 014: Daclatasvir + Asunaprevir + BMS-791325
Everson GT, et al. Hepatology. 2013;58(suppl 1):73A. Abstract LB-1.
DCV + ASV + BMS-791325 (75 mg twice daily)
DCV + ASV + BMS-791325 (150 mg twice daily)
Genotype 1Treatment-naïveCirrhosis allowed (9% enrolled)
Phase 2
SVR12
SVR12
0 12 24 Weeks
NS3/4A
NS5A
NS5B Non-nuc
DCV: Daclatasvir, 30 mg twice dailyASV: Asunaprevir, 200 mg twice daily
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38
Study 014: Daclatasvir + Asunaprevir + BMS-791325Study 014: Daclatasvir + Asunaprevir + BMS-791325
Everson GT, et al. Hepatology. 2013;58(suppl 1):73A. Abstract LB-1.
92 91
10096
91
100
9192 9194 96
89
71
94
0
20
40
60
80
100
Overall 1a
Genotype
CC Non-cirrhotic
Cirrhotic
IL28B
Phase 2
NS3/4A
NS5A
NS5B Non-nuc
SV
R12
, % P
atie
nts
N=77 84 65 68 12 16 24 28 53 56 8 7 69 77
1b Non-CC
Daclatasvir (30 mg twice daily) + Asunaprevir (200 mg twice daily)
+ BMS 791325 75 mg twice daily
150 mg twice daily
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39
C-WORTHY: MK-5172 + MK-8742 ± RBVC-WORTHY: MK-5172 + MK-8742 ± RBV
Hezode C, et al. EASL International Liver Congress, 2014. Abstract O10.
NS3/4A
NS5A
NS5B
Phase 2
MK-5172 (100 mg)MK-8742 (20 mg)+ RBV
Genotype 1Treatment-naïveNon-cirrhotic
SVR24
0 12 24 36 Weeks
MK-5172 (100 mg)MK-8742 (50 mg)+ RBV
MK-5172 (100 mg)MK-8742 (50 mg)
MK-5172 (100 mg)MK-8742 (50 mg)+RBV
MK-5172 (100 mg)MK-8742 (50 mg) +RBV
MK-5172 (100 mg)MK-8742 (50 mg)
Ongoing
GT1a/b
GT1a/b
GT1b
GT1a
GT1a/b
GT1a
Par
t A
Par
t B
(8 weeks)
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40
C-WORTHY: MK-5172 + MK-8742 ± RBVC-WORTHY: MK-5172 + MK-8742 ± RBV
Hezode C, et al. EASL International Liver Congress, 2014. Abstract O10.
NS3/4A
NS5A
NS5B
Phase 283
9498
0
20
40
60
80
100
SV
R 4
-24,
% P
atie
nts
8 Weeks+RBV(GT1a)
12 Weeks+RBV
(GT1a 61%GT1b 39%)
12 Weeks no RBV
(GT1a 68%GT1b 32%)
Interim results (SVR4-24)
n=30 n=35 n=44
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41
Faldaprevir + Deleobuvir + PPI-668 ± RBVFaldaprevir + Deleobuvir + PPI-668 ± RBV
Lalezari J, et al. EASL International Liver Congress, 2014. Abstract O65.
NS3/4A
NS5A
NS5B Non-nuc
DBV (600 mg twice dailyFDV (120 mg daily)PPI-668 (200 mg daily)+RBV
DBV (400 mg twice dailyFDV (120 mg daily)PPI-668 (200 mg daily)+RBV
Genotype 1aTreatment-naïveIL28BB restricted to no more than 1/3 of patientsNon-cirrhotic
Phase 2
SVR12
0 12 24 Weeks
DBV (600 mg twice dailyFDV (120 mg daily)PPI-668 (200 mg daily)(no RBV)
DBV: DeleobuvirFDV: Faldaprevir
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42
Faldaprevir + Deleobuvir + PPI-668 ± RBVFaldaprevir + Deleobuvir + PPI-668 ± RBV
Lalezari J, et al. EASL International Liver Congress, 2014. Abstract O65.
NS3/4A
NS5A
NS5B Non-nuc
SV
R 1
2, %
Pat
ien
ts
n=12 n=12
DBV 600 mg twice daily
+RBV
Phase 2
n=12 (Confounding factors)
DBV 400 mg twice daily
+RBV
DBV 600 mg twice daily
no RBV
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Investigational, IFN-Free, DAA Combination Regimens Investigational, IFN-Free, DAA Combination Regimens
Part B: Treatment-Experienced Patients
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44
SAPPHIRE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)SAPPHIRE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Zeuzem S, et al. EASL International Liver Congress, 2014. Abstract O1.
Zeuzem S, et al. NEJM 2014 DOI: 10.1056/NEJMoa1401561
NS3/4A
NS5A
NS5B Non-Nuc
3D + RBV
Placebo 3D + RBV
0 12 24 60 72
Double-blind Treatment Period
Open-label Treatment Period
Primary analysis:SVR12
3D: Co-formulated ABT-450/ritonavir/ombitasvir, 150 mg/ 100 mg/ 25 mg + dasabuvir, 250 mgRBV: 1000-1200 mg daily, weight-based
Genotype 1Prior PR (Relapse, Partial response, or Null response)No cirrhosis
Phase 3
Weeks
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45
SAPPHIRE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)SAPPHIRE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Zeuzem S, et al. EASL International Liver Congress, 2014. Abstract O1.
Zeuzem S, et al. NEJM 2014 DOI: 10.1056/NEJMoa1401561
NS3/4A
NS5A
NS5B Non-Nuc95.3100
95.2
0
20
40
60
80
100
Prior Relapse(N=86)
Prior Partial Response
(n=65)
Prior Null Response
(n=146)
SV
R12
, % P
atie
nts
Phase 3
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46
ION-2: Sofosbuvir + LedipasvirION-2: Sofosbuvir + Ledipasvir
Afdahl N, et al. EASL International Liver Congress, 2014. Abstract O109.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1316366
NS3/4A
NS5A
NS5B NucLDP/SOF
LDP/SOF + RBV
0 12 24 36
Genotype 1Failed prior PR or Triple therapy20% of patients had cirrhosisPlatelet count ≥50,000, no neutrophil minimum
Phase 3
LDP/SOF
LDP/SOF + RBV
SVR12
SVR12
SVR12
SVR12
LDP/SOF: Ledipasvir/Sofosbuvir fixed-dose combination tablet (90 mg/400 mg daily)
Weeks
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47
ION-2: Sofosbuvir + LedipasvirION-2: Sofosbuvir + Ledipasvir
Afdahl N, et al. EASL International Liver Congress, 2014. Abstract O109.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1316366
NS3/4A
NS5A
NS5B Nuc94 96 99 99
0
20
40
60
80
100
LDV/SOF(n=109)
SV
R12
, %
Pat
ien
ts
LDV/SOF + RBV(n=111)
LDV/SOF(n=109)
LDV/SOF + RBV(n=111)
12 Weeks 24 Weeks Treatment duration
Phase 3
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48
HALLMARK-DUAL: Daclatasvir + Asunaprevir: GT1bHALLMARK-DUAL: Daclatasvir + Asunaprevir: GT1b
Manns M, et al. EASL International Liver Congress, 2014. Abstract O166.
NS3/4A
NS5A
NS5B
DCV + ASV
DCV + ASV Enter another studyDCV + ASV 24 weeks
0 12 24 36
Genotype 1bTreatment-naïve, prior null or partial response to PR, IFN intolerant or ineligible
Phase 3
Weeks
STOP
12-week arm discontinued and participants invited to enroll in separate 24-week trial
DCV: Daclatasvir, 60 mg dailyASV: Asunaprevir, 100 mg twice daily
DCV + ASV
DCV + ASV
Treatment-naive
Nonresponder
Ineligible/ Intolerant
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49
HALLMARK-DUAL: Daclatasvir + Asunaprevir: GT1bHALLMARK-DUAL: Daclatasvir + Asunaprevir: GT1b
Manns M, et al. EASL International Liver Congress, 2014. Abstract O166.
NS3/4A
NS5A
NS5B
82 8081
91
73
0
20
40
60
80
100
Prior Non-responders
SV
R12
, %
Pat
ien
ts
Ineligible/Intolerant
Phase 3
Null Partial
N=119 N=84
Depression Anemia/neutropenia
Advanced fibrosis/cirrhosis with thrombocytopenia
N=71 N=87 N=77
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50
Content Development FacultyContent Development Faculty
Mark Sulkowski, MDProfessor of Medicine
Medical Director, Viral Hepatitis CenterJohns Hopkins University
School of MedicineBaltimore, MD
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Investigational, IFN-Free, DAA Combination Regimens Investigational, IFN-Free, DAA Combination Regimens
Part C: Cirrhosis
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52
TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Poordad F, et al. EASL International Liver Congress, 2014. Abstract O163.
Poordad F, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402869
NS3/4A
NS5A
NS5B Non-Nuc
3D + RBV
3D + RBV
0 12 24
3D: Co-formulated ABT-450/ritonavir/ombitasvir, 150 mg/ 100 mg/ 25 mg + dasabuvir, 250 mgRBV: 1000-1200 mg daily, weight-based
Genotype 1Treatment-naïve or prior PR; no prior therapy with DAAsAll patients had compensated cirrhosis (Child-Pugh A) at screening
Phase 3
SVR12
SVR12
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TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Poordad F, et al. EASL International Liver Congress, 2014. Abstract O163.
Poordad F, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402869
NS3/4A
NS5A
NS5B Non-Nuc
88.6
98.594.2
100
0
20
40
60
80
100
12 Weeks
GT1a
SV
R12
, % P
atie
nts
Phase 3
24 Weeks 12 Weeks
GT1b
24 Weeks
N=140 N=121 N=68 N=51
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54
TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Poordad F, et al. EASL International Liver Congress, 2014. Abstract O163.
Poordad F, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402869
NS3/4A
NS5A
NS5B Non-Nuc
92.2 93.3
100
80
92.9
100 100
92.9
0
20
40
60
80
100
Naive
GT1a
SV
R12
, % P
atie
nts
Phase 3
Prior Relapse
N=64 56 15 13 11 10 50 42
Prior Partial Response
Prior Null Response
12 Weeks
24 Weeks
Treatment Duration
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55
TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)TURQUOISE-II: ABT-450/r + Ombitasvir + Dasabuvir + RBV (3D + RBV)
Poordad F, et al. EASL International Liver Congress, 2014. Abstract O163.
Poordad F, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402869
NS3/4A
NS5A
NS5B Non-Nuc
88.992.6
84
92.997 95.7
88.9
96.8
0
20
40
60
80
100
<100
SV
R12
, % P
atie
nts
Phase 3
≥100
N=45 33 163 139 25 18 183 154
<35 ≥35
12 Weeks
24 Weeks
Treatment Duration
Baseline Platelet Count(x109/L)
Baseline Serum Albumin(g/L)
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ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
ION-1: Ledipasvir + Sofosbuvir12 Weeks Versus 24 Weeks and ± RBV
Mangia A, et al. EASL International Liver Congress, 2014. Abstract O164.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402454
NS3/4A
NS5A
NS5B NucLDP/SOF
LDP/SOF + RBV
0 12 24 36
Genotype 1Treatment-naïveTargeted 20% with cirrhosis (actual 15-17%)Platelet count ≥50,000, no neutrophil minimum
Phase 3
LDP/SOF
LDP/SOF + RBV
SVR12
SVR12
SVR12
SVR12
LDP/SOF: Ledipasvir/Sofosbuvir fixed-dose combination tablet (90 mg/400 mg daily)
Weeks
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ION-1: Ledipasvir + SofosbuvirTreatment-Naïve, Cirrhotic Patients
ION-1: Ledipasvir + SofosbuvirTreatment-Naïve, Cirrhotic Patients
Mangia A, et al. EASL International Liver Congress, 2014. Abstract O164.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1402454
NS3/4A
NS5A
NS5B Nuc99 97 98 9994
10094
100
0
20
40
60
80
100Ci
rrho
sis
Cirr
hosis
Cirr
hosis
Cirr
hosis
LDV/SOF
SV
R12
, %
Pat
ien
ts
LDV/SOF + RBV LDV/SOF LDV/SOF + RBV
12 Weeks 24 Weeks Treatment duration
Phase 3
n=180 n=34 n=184 n=33 n=180 n=33 n=181 n=36
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ION-2: Sofosbuvir + Ledipasvir Treatment-Experienced, Cirrhotic Patients
ION-2: Sofosbuvir + Ledipasvir Treatment-Experienced, Cirrhotic Patients
Afdahl N, et al. NEJM 2014. DOI10/1056/NEJMoa1316366.
Afdhal N, et al. NEJM 2014 DOI: 10.1056/NEJMoa1316366
NS3/4A
NS5A
NS5B Nuc95.4
100 98.9 98.9
86.481.8
100 100
0
20
40
60
80
100Ci
rrho
sis
Cirr
hosis
Cirr
hosis
Cirr
hosis
LDV/SOF
SV
R12
, %
Pat
ien
ts
LDV/SOF + RBV LDV/SOF LDV/SOF + RBV
12 Weeks 24 Weeks Treatment duration
Phase 3
n=87 n=22 n=89 n=22 n=87 n=22 n=89 n=22
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HALLMARK DUAL: Daclatasvir + Asunaprevir: GT1bHALLMARK DUAL: Daclatasvir + Asunaprevir: GT1b
Kao J-H, et al. EASL International Liver Congress, 2014. Abstract P1300.
NS3/4A
NS5A
NS5B
84
9187
8185
91
8084
0
20
40
60
80
100
SV
R12
, %
Pat
ien
ts
Phase 3
Cirrhotic
Non-Cirrhotic
Treatment Duration
Overall Treatment-Naive
N=206 437 32 171 63 142 111 124
Non-Responder Ineligible/Intolerant
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C-WORTHY: MK-5172 + MK-8742 ± RBVCirrhosis
C-WORTHY: MK-5172 + MK-8742 ± RBVCirrhosis
Lawitz E, et al. EASL International Liver Congress, 2014. Abstract O61.
NS3/4A
NS5A
NS5B
Phase 2
MK-5172 MK-8742 + RBV
Genotype 1Treatment-Naïve with CirrhosisPrior Null-Responders ± Cirrhosis
0 12 24 36 Weeks
MK-5172 MK-8742 No RBV
MK-5172 (100 mg)MK-8742 (50 mg)+RBV
MK-5172 100 mg dailyMK-8742 50 mg daily
18
MK-5172 (100 mg)MK-8742 (50 mg)No RBVNo RBV
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C-WORTHY: MK-5172/ MK-8742 ± RBVCirrhosis
C-WORTHY: MK-5172/ MK-8742 ± RBVCirrhosis
Lawitz E, et al. EASL International Liver Congress, 2014. Abstract O61.
NS3/4A
NS5A
NS5B
94
100
94
100
0
20
40
60
80
100
HC
V R
NA
<25
IU/m
l, %
Pat
ien
ts
Null-Response
Treatment-Naive
N=85 N=32 N=33 N=14
Null-Response
Treatment-Naive
GT1a, Cirrhosis GT1b, Cirrhosis
Phase 2
Pooled 12- and 18-week arms
±RBV
4-8 week follow-up
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Investigational, IFN-Free, DAA Combination Regimens Investigational, IFN-Free, DAA Combination Regimens
Part D: HIV Co-infection
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HIV-ERADICATE: Sofosbuvir + Ledipasvir HIV-ERADICATE: Sofosbuvir + Ledipasvir
Osinusi A, et al. EASL International Liver Congress, 2014. Abstract O14.
NS3/4A
NS5A
NS5B NucARV UntreatedCD4 count stable and HIV RNA <500 copies ORCD4 count >500 cells/mm3
0 12
HIV/HCV Co-infectedHCV Genotype 1Treatment-NaiveF0-3
SVR12
SOF: Sofosbuvir 400 mg dailyLDV: Ledipasvir 90 mg daily
SOF + LDV
ARV TreatedCD4 count >100 cells/mm3HIV RNA <40 copiesCurrent ARVs ≥8 weeks
Currently SVR4
ARVs: tenofovir, emtricitabine, efavirenz, rilpivirine, and raltegravir
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HIV-ERADICATE: Sofosbuvir + Ledipasvir HIV-ERADICATE: Sofosbuvir + Ledipasvir
Regimen N(%)
Tenofovir/Emtricitabine plus
Efaviranz (EFV) 15 (41)
Raltegravir (RAL) 10 (27)
Rilpivirine (RPV) 8 (21)
RPV/RAL 3 (8)
EFV/RAL 1 (3)
Osinusi A, et al. EASL International Liver Congress, 2014. Abstract O14.
NS3/4A
NS5A
NS5B NucARV regimens in the ARV-treated group (n=37)
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HIV-ERADICATE: Sofosbuvir + Ledipasvir HIV-ERADICATE: Sofosbuvir + Ledipasvir
Osinusi A, et al. EASL International Liver Congress, 2014. Abstract O14.
NS3/4A
NS5A
NS5B Nuc100 100 100 100 100100 100 100
0
20
40
60
80
100
HC
V R
NA
< L
LQ
, % p
atie
nts
Week 8 End of Treatment
13 37
SVR4 SVR12SVR8
ARV TreatedARV Untreated
13 30 12 22 10 10
Interim Results
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HIV-ERADICATE: Sofosbuvir + Ledipasvir HIV-ERADICATE: Sofosbuvir + Ledipasvir
ARV Untreated (n=13)
No clinically significant changes in HIV RNA during HCV treatment
ARV Treated (n=37)
One patient with transient HIV viral breakthrough– Missed ARV for 4 days
– Re-suppressed on the same regimen
Osinusi A, et al. EASL International Liver Congress, 2014. Abstract O14.
HIV RNA tests on treatment days 0, 1, 3, 5, 7 and weeks 2, 4, 8,and 12
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C-WORTHY: MK-5172/ MK-8742 ± RBVC-WORTHY: MK-5172/ MK-8742 ± RBV
Sulkowski M, et al. EASL International Liver Congress, 2014. Abstract O63.
NS3/4A
NS5A
NS5BMK-5172 MK-8742 + RBV
0 12 24
HIV/HCV Co-infectedHCV Genotype 1Non-cirrhotic
Phase 2
SVR12
SVR12MK-5172 MK-8742 No RBV
Stable on raltegravir + two NRTIs for 8 weeks prior to enrollmentART dose modification not permitted during 8 weeks preceding enrollment unless dose modification due to tolerability failureCD4 >300 cells/mm3
Undetectable HIV RNA for 24 weeks
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C-WORTHY: MK-5172/ MK-8742 ± RBVC-WORTHY: MK-5172/ MK-8742 ± RBV
Sulkowski M, et al. EASL International Liver Congress, 2014. Abstract O63.
NS3/4A
NS5A
NS5B
HC
V R
NA
< L
LQ
, %
pat
ien
ts
Week 4 Week 8 Week 12 SVR4
No RBV+ RBV
Interim Results
100 100 10097
100
90 90 90
0
20
40
60
80
100Phase 2
MK-5172 + MK-8742
29 30 29 30 29 30 29 29
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Summary (1 of 4): Genotype 2/3 Chronic HCVSummary (1 of 4): Genotype 2/3 Chronic HCV
Sofosbuvir + RBV is approved and recommended for treatment of genotype 2/3 patients with chronic HCV and who are treatment-naïve or relapsed after prior PR– Genotype 2 chronic HCV (12 weeks of therapy)– Genotype 3 chronic HCV (24 weeks of therapy)
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Summary (2 of 4): Genotype 1 Chronic HCVSummary (2 of 4): Genotype 1 Chronic HCV
Two regimens have demonstrated very high SVR12 rates (>90%) in phase III trials of treatment-naïve patients, and patients who failed prior therapy (relapsed, null response, partial response)– 3D +RBV (ABT-450 + ombitasvir + dasabuvir +RBV)– Ledipasvir + Sofosbuvir
Both regimens were studied in trials using 12-week duration of therapy– The ION-3 trial suggests that 8 weeks of therapy may be
sufficient for ledipasvir + sofosbuvir therapy (±RBV) in treatment-naïve patients without cirrhosis
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Summary (3 of 4): Genotype 1 Chronic HCVSummary (3 of 4): Genotype 1 Chronic HCV
Other regimens showing high SVR12 rates in phase II trials include– Daclatasvir + asunaprevir + BMS-791325– MK-5172 + MK8742 ± RBV– Faldaprevir + Deleobuvir + PPI-668 ± RBV
Cirrhotic Patients– The phase III TURQUOISE-II trial enrolled only patients with
compensated cirrhosis and showed high SVR12 rates for 12 or 24 weeks of therapy with 3D + RBV (treatment-naïve and prior PR failures)
– The cirrhotic subgroups of other trials also showed high SVR12 rates for• Ledipasvir + sofosbuvir ± RBV (treatment-naïve patients)• Daclatasvir + asunaprevir (Gt1b patients)
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Summary (4 of 4): Genotype 1 Chronic HCVSummary (4 of 4): Genotype 1 Chronic HCV
HIV Co-infected Patients– Phase II trials have found high SVR12 rates for treatment of HCV
genotype 1 patients, with acceptable HIV-related safety for:• Sofosbuvir + ledipasvir
• MK-5172 + MK-8742 ± RBV