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Half-boosted Fosamprenavir

Phase 3

HIV Infection | Small molecule | Infectious Disease |GSK plc|Last Updated: Nov 5, 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
RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment211
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00363142A Study of an Investigational Regimen Combining FDA Approved HIV Drugs in HIV-Infected SubjectsPHASE3 COMPLETED 211May 1, 2006Jun 1, 2008Nov 5, 201051 United States, Puerto Rico
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Study Endpoints
Primary Endpoints
Percentage of Participants Not Meeting the Definition of Virologic Failure at or Prior to Week 24
Week 24

Virologic failure was defined as two consecutive plasma HIV-1 RNA measures greater than 400 copies/milliliter (mL) separated by at least 2 to 4 week. The percentage of participants not meeting the virologic failure definition was estimated with stratification by the six randomization strata using Mantel-Haenszel weights and the missing/discontinuation equals failure (MD=F) analysis. Missing/discontinuation values were considered failures.

Secondary Endpoints
Percentage of Participants With Plasma Human Immunodeficiency Virus, Type 1, Ribonucleic Acid (HIV-1 RNA) <400 Copies/mL at Week 24, Time to Loss of Virologic Response (TLOVR) Analysis
Week 24
Percentage of Participants With Plasma HIV-1 RNA <50 Copies/mL at Week 24, TLOVR Analysis
Week 24
Mean Change From Baseline of log10 Copies/mL Plasma HIV-1 RNA Levels at Week 24, Observed Analysis
Baseline and Week 24
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
FPV/r200ACTIVE_COMPARATORFosamprenavir/ritonavir (either 700/100mg BID or 1400/200mg QD)
FPV/r100EXPERIMENTALFosamprenavir/ritonavir 1400/100mg QD
Interventions
NameTypeDescription
Half-boosted FosamprenavirDRUGOnce daily, reduced dose ritonavir-boosted fosamprenavir
Full Boosted FosamprenavirDRUGFull ritonavir-boosted fosamprenavir
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites51

Inclusion criteria: * Subjects with HIV-1 infection. * Are willing and able to understand and provide written consent prior to participation in this study. Exclusion criteria: * Are pregnant or breastfeeding. * Have an active AIDS condition, pancreatitis, poor kidney function, or clinically relev...

Countries:United StatesPuerto Rico
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