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Optimized Background Therapy

Phase 2

HIV Infections | Small molecule | Infectious Disease |GSK plc|Last Updated: Dec 7, 2010

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-BlindCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment190
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00098748Trial of Maraviroc (UK-427,857) in Combination With Optimized Background Therapy Versus Optimized Background Therapy Alone for the Treatment of Antiretroviral-Experienced NonCCR5-Tropic HIV-1 Infected SubjectsPHASE2 COMPLETED 190Nov 1, 2004Apr 1, 2009Dec 7, 201077 United States, Australia +7
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Study Endpoints
Primary Endpoints
Change From Baseline in Human Immunodeficiency Virus (HIV-1) Viral Load (Ribonucleic Acid [RNA])
Baseline to Week 24 and Week 48

Change from baseline in log 10-transformed plasma viral load (HIV-1 RNA) levels (log 10 copies per milliliter \[log10 copies/mL\]). Baseline value calculated as average of pre-dose measurements collected at screening, randomization, and baseline visits.

Secondary Endpoints
Number of Subjects With HIV-1 RNA Levels < 400 Copies/mL
Week 24, Week 48
Number of Subjects With HIV-1 RNA Levels < 400 Copies/mL or at Least 0.5 Log 10-transformed Decrease From Baseline in HIV-1 RNA Levels
Baseline, Week 24, Week 48
Number of Subjects With HIV-1 RNA Levels < 400 Copies/mL or at Least 1.0 Log 10-transformed Decrease From Baseline in HIV-1 RNA Levels
Baseline, Week 24, Week 48
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
1EXPERIMENTAL -
2EXPERIMENTAL -
3EXPERIMENTAL -
Interventions
NameTypeDescription
Optimized Background Therapy (OBT)DRUGOBT (3-6 drugs based on treatment history and resistance testing)
maraviroc (UK-427,857)DRUGmaraviroc (UK-427,857) 150 mg taken once daily
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Eligibility Criteria
Age Range16 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites77

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 5,000 copies/mL * Stable pre-study antiretroviral regimen, or on no antiretroviral agents, for at least 4 weeks * Documented ...

Countries:United StatesAustraliaBelgiumCanadaGermanyNetherlandsSpainSwitzerlandUnited Kingdom
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