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Doravirine, Tenofovir, Lamivudine

Phase 3

Human Immunodeficiency Virus (HIV) | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Nov 20, 2024

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 Enrollment734
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02403674Comparison of Doravirine, Tenofovir, Lamivudine (MK-1439A) and ATRIPLA™ in Treatment-Naive Human Immunodeficiency Virus Type 1 (HIV-1)-Infected Participants (MK-1439A-021)PHASE3 COMPLETED 734Jun 5, 2015Sep 7, 2023Nov 20, 2024 -
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Study Endpoints
Primary Endpoints
Percentage of Participants With HIV-1 Ribonucleic Acid (RNA) <50 Copies/mL at Week 48
Week 48

The percentage of participants in each arm with HIV-1 RNA levels \<50 copies/mL at Week 48 was determined. Plasma HIV-1 RNA levels were quantified with the Abbott RealTime HIV-1 Assay. Data were handled according to the US Food and Drug Administration (FDA) "snapshot" approach in which all missing data are considered treatment failures, regardless of the reason.

Percentage of Participants With Tier-1 Neuropsychiatric Adverse Events (AEs)
Up to Week 48

The percentage of participants in each arm experiencing ≥1 pre-specified Tier-1 neuropsychiatric AEs was determined. The list of Tier-1 neuropsychiatric AE categories included "dizziness", "sleep disorders and disturbances", and "altered sensorium" (including disturbance in attention).

Secondary Endpoints
Percentage of Participants With HIV-1 RNA <50 Copies/mL at Week 96
Week 96
Percentage of Participants With HIV-1 RNA <40 Copies/mL at Week 48
Week 48
Percentage of Participants With HIV-1 RNA <40 Copies/mL at Week 96
Week 96
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Doravirine, Tenofovir, LamivudineEXPERIMENTALTreatment-naive HIV-infected participants will receive doravirine, tenofovir, lamivudine, a single-tablet FDC containing doravirine 100 mg + lamivudine 300 mg + tenofovir disoproxil fumarate 300 mg, q.d. by mouth for 96 weeks. Participants will also take 1 placebo tablet matched to ATRIPLA™ q.d. by mouth for 96 weeks in order to maintain blinding.
ATRIPLA™ACTIVE_COMPARATORTreatment-naive HIV-infected participants will receive ATRIPLA™, a single-tablet FDC containing efavirenz 600 mg + emtricitabine 200 mg + tenofovir disoproxil fumarate 300 mg (equivalent to 245 mg tenofovir disoproxil), q.d. by mouth for 96 weeks. Participants will also take 1 placebo tablet matched to doravirine, tenofovir, lamivudine q.d. by mouth for 96 weeks in order to maintain blinding.
Interventions
NameTypeDescription
Doravirine, Tenofovir, LamivudineDRUGOne doravirine, tenofovir, lamivudine tablet taken q.d. by mouth.
ATRIPLA™DRUGOne ATRIPLA™ tablet taken q.d. by mouth
PlaceboDRUGPlacebo tablets matched to ATRIPLA® or Doravirine, Tenofovir, Lamivudine.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Is HIV-1 positive as determined by a positive result on an enzyme-immunoassay, has screening plasma HIV-1 RNA (determined by the central laboratory) ≥1000 copies/mL within 45 days prior to the treatment phase of this study, and has HIV treatment indicated based on physician as...

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