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Pegylated Interferon Alfa 2a

Phase 3

Hepatitis C | Monoclonal antibody | Infectious Disease |Vertex Pharmaceuticals Incorporated|Last Updated: Aug 8, 2014

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment1,095
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00627926A Phase 3 Study of Telaprevir in Combination With Pegasys® and Copegus® in Treatment-Naive Subjects With Genotype 1 Hepatitis C Virus (HCV)PHASE3 COMPLETED 1,095Mar 1, 2008May 1, 2010Aug 8, 2014116 United States, Argentina +11
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Study Endpoints
Primary Endpoints
Number of Subjects Achieving Sustained Viral Response (SVR), Demonstrated by Achieving Undetectable Hepatitis C Virus (HCV) Ribonucleic Acid (RNA) Levels 24 Weeks After Last Planned Dose of Study Treatment
24 weeks after last planned dose of study treatment (up to Week 72)

The plasma HCV RNA level was measured using Roche TaqMan HCV RNA assay. The lower limit of quantification was 25 international units per milliliter (IU/mL) and the lower limit of detection was 10 IU/mL. Two results are reported: 1) Protocol defined SVR: undetectable HCV RNA at 24 weeks after the last planned dose of study treatment without any confirmed detectable HCV RNA between end of treatment visit (up to Week 48) and 24 weeks after last planned dose (up to Week 72); 2) SVR as per FDA guidance (snapshot analysis): undetectable HCV RNA at 24 weeks after the last planned dose of study treatment. Analysis was based only on the HCV RNA assessment in visit window (+/-2 weeks); if there were more than 1 assessment in the window, the last measurement was used.

Secondary Endpoints
Number of Subjects With Undetectable HCV RNA at Week 72
Week 72 (24 weeks after last dose for subjects with a planned treatment duration of 48 weeks and 48 weeks after last dose for subjects with planned treatment duration of 24 weeks)
Number of Subjects Achieving Rapid Viral Response (RVR), Demonstrated by Achieving Undetectable HCV RNA 4 Weeks After Starting Study Treatment
Week 4
Number of Subjects Achieving Extended Rapid Viral Response (eRVR), Demonstrated by Achieving Undetectable HCV RNA at Week 4 and at Week 12
Week 4 and Week 12
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PBO 12 Week+Peg-IFN-alfa-2a, RBV 48 WeekPLACEBO_COMPARATORPlacebo (PBO) matched to telaprevir 750 mg tablet thrice daily for 12 weeks in combination with pegylated interferon alfa 2a (Peg-IFN-alfa-2a) 180 microgram per week (mcg/week) subcutaneous injection and ribavirin (RBV) tablet orally twice daily at a dose of 1000 milligram per day (mg/day) for subjects weighing less than (\<) 75 kilogram (kg) and 1200 mg/day for subjects weighing greater than or equal to (\>=) 75 kg, for 48 weeks.
Telaprevir 8 Week, PBO 4 Week+Peg-IFN-alfa-2a, RBV 24/48 WeekEXPERIMENTALTelaprevir 750 mg tablet thrice daily for 8 weeks, then PBO matched to Telaprevir 750 mg tablet thrice daily for 4 weeks in combination with Peg-IFN-alfa-2a 180 mcg/week subcutaneous injection and RBV tablet orally twice daily at a dose of 1000 mg/day for subjects weighing \<75 kg and 1200 mg/day for subjects weighing \>=75 kg, for 24 to 48 weeks depending on individual response to telaprevir treatment.
Telaprevir 12 Week+Peg-IFN-alfa-2a, RBV 24/48 WeekEXPERIMENTALTelaprevir 750 mg tablet thrice daily for 12 weeks in combination with Peg-IFN-alfa-2a 180 mcg/week subcutaneous injection and RBV tablet orally twice daily at a dose of 1000 mg/day for subjects weighing \<75 kg and 1200 mg/day for subjects weighing \>=75 kg, for 24 to 48 weeks depending on individual response to telaprevir treatment.
Interventions
NameTypeDescription
Pegylated Interferon Alfa 2aBIOLOGICALsubcutaneous injection, 180 micrograms once per week
TelaprevirDRUG375 mg tablets administered orally every 8 hours at a dose of 750 mg
RibavirinDRUG200 mg tablets administered orally twice daily at a dose of 1000 mg/day for subjects weighing \<75 kg and 1200 mg/day for subjects weighing ≥75 kg
PlaceboOTHERTelaprevir matching placebo
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Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo
Study Sites116

Inclusion Criteria * Has not received any previous treatment with any approved or investigational drug or drug regimen for the treatment of hepatitis C * Male and female subjects, 18 to 70 years of age, inclusive * Genotype 1, chronic hepatitis C with detectable Hepatitis C Virus (HCV) Ribonucleic ...

Countries:United StatesArgentinaAustraliaAustriaCanadaFranceGermanyIsraelItalyPolandPuerto RicoSpainUnited Kingdom
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Competitive Landscape -Hepatitis C 11 trials