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Maraviroc + Zidovudine/Lamivudine

Phase 3

HIV-1 | Small molecule | Infectious Disease |GSK plc|Last Updated: Oct 9, 2013

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-BlindACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment916
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00098293Trial of Maraviroc (UK-427,857) in Combination With Zidovudine/Lamivudine Versus Efavirenz in Combination With Zidovudine/LamivudinePHASE3 COMPLETED 916Nov 1, 2004Dec 1, 2012Oct 9, 2013144 United States, Argentina +12
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Study Endpoints
Primary Endpoints
Percentage of Participants With Viral Load of Less Than 400 Copies/Milliliter [Copies/mL] and Less Than 50 Copies/mL of Human Immunodeficiency Virus (HIV)-1 Ribonucleic Acid (RNA) at Week 48 for Full Analysis Set (FAS) Population
Week 48
Percentage of Participants With Viral Load of Less Than 400 Copies/mL and Less Than 50 Copies/mL of HIV-1 RNA at Week 48 for Per Protocol (PP) Population
Week 48

Percentage of participants with viral load of less than 400 copies/mL and less than 50 copies/mL of HIV-1 RNA were not analyzed for participants originally randomized to maraviroc once daily arm since after termination, focus was shifted from efficacy and safety to only safety as reflected in the abbreviated set of efficacy measures noted in the amended planned analysis.

Secondary Endpoints
Percentage of Participants With HIV-1 RNA Levels of Less Than 400 Copies/mL and Less Than 50 Copies/mL at Week 48 Analyzed Using Logistic Regression
Week 48
Percentage of Participants With HIV-1 RNA Levels of Less Than 400 Copies/mL and Less Than 50 Copies/mL at Week 96 Analyzed Using Logistic Regression
Week 96
Change From Baseline in Log 10-transformed Plasma Viral Load (HIV-1 RNA) Levels at Week 48 and 96
Baseline, Week 48, Week 96
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
1EXPERIMENTAL -
3ACTIVE_COMPARATOR -
2EXPERIMENTALFollowing a review of the interim analysis data, the DSMB recommended to terminate the UK-427,857 300 mg QD arm based on pre-specified protocol non-inferiority criteria not being met for the QD arm versus efavirenz
Interventions
NameTypeDescription
Maraviroc + Zidovudine/LamivudineDRUGmaraviroc (UK-427,857) 300 mg once daily added to zidovudine/lamivudine (300 mg/150 mg twice daily)
Efavirenz + Zidovudine/LamivudineDRUGefavirenz (600 mg once daily) added to zidovudine/lamivudine (300 mg/150 mg twice daily)
Maraviroc (UK-427,857) + Zidovudine/LamivudineDRUGmaraviroc (UK-427,857) 300 mg twice daily added to zidovudine/lamivudine (300 mg/150 mg twice daily)
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Eligibility Criteria
Age Range16 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites144

Inclusion Criteria: * Men or women at least 16 years of age (or minimum age as determined by local regulatory authorities) * HIV-1 RNA viral load of greater than or equal to 2, 000 copies/mL * A negative urine pregnancy test at the baseline visit for Women of Child Bearing Potential (WOCBP) * Effec...

Countries:United StatesArgentinaAustraliaBelgiumBrazilCanadaItalyMexicoNetherlandsPolandPuerto RicoSouth AfricaSwitzerlandUnited Kingdom
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