Recent Updates
Recently added Catalysts

FTC/TDF + EFV or LPV/R +T20

Phase 3

HIV Infections | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Apr 6, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment170
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00454337Efficacy and Tolerance of the Switch From Enfuvirtine to Raltegravir in Antiretroviral Therapy Regimen in HIV Patients With Undetectable Viral LoadPHASE3 COMPLETED 170May 1, 2007Sep 1, 2008Apr 6, 20261 France
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
comparison of the proportions of virologic failure, defined as two consecutive pVL above 400 cp per ml, through 24 weeks in enfuvirtide-maintained arm versus raltegravir arm
W24
Secondary Endpoints
comparison of time to onset of virologic failure
W24 and W48
proportions of pts with pVL under 50 and 400 cp per ml respectively at week 24 and week 48 ;
W24 & W48
plasma viral mutations in the event of virologic failure, compared to HIV-DNA archived mutations at baseline;
virologic failure
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Intensification armEXPERIMENTALemtricitabine/TDF + efavirenz or lopinavir/ritonavir + enfuvirtide
Standard armACTIVE_COMPARATORemtricitabine/TDF + efavirenz or lopinavir/ritonavir
Interventions
NameTypeDescription
FTC/TDF + EFV or LPV/R +T20DRUGemtricitabine 200mg/TDF 300mg (1 pill per day) + efavirenz 600mg (1 pill per day) or lopinavir/ritonavir (3 pills twice a day) + enfuvirtide 90mg twice a day
FTC/TDF + EFV or LPV/RDRUGemtricitabine 200mg/TDF 300mg (1 pill per day) + efavirenz 600mg (1 pill per day) or lopinavir/ritonavir (3 pills twice a day)
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Chronic HIV-1 infection * Treatment with a well-tolerated combination of antiretroviral drugs unchanged for at least 3 months, including enfuvirtide * Absence of any uncontrolled opportunistic disease * No restrictions on CD4 lymphocyte levels * Plasma HIV-1 RNA below 400 copi...

Countries:France
Unlock Eligibility Criteria