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Delstrigo

Phase 3

HIV-1-infection | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Apr 2, 2025

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
RandomizedCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment600
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05924438A Randomised, Phase 3 Non-inferiority Study of DOR/3TC/TDF Compared to DTG/TAF/FTC in Participants Infected With HIV-1 Starting First-line Antiretroviral TherapyPHASE3 ACTIVE NOT_RECRUITING 600Nov 8, 2023Jun 30, 2026Apr 2, 20251 South Africa
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Study Endpoints
Primary Endpoints
The antiretroviral activity of DOR/3TC/TDF compared to DTG/TAF/FTC in the first line treatment, as assessed by the percentage of participants with HIV-1 RNA < 50 copies/mL at Week 48
48 Weeks

HIV1-RNA

Secondary Endpoints
The antiretroviral activity of DOR/3TC/TDF compared to DTG/TAF/FTC, as assessed by the percentage of participants with HIV-1 RNA < 50 copies/mL at Week 96
96 Weeks
The antiretroviral activity of DOR/3TC/TDF compared with DTG/TAF/FTC, as assessed by the percentage of participants with HIV-1 RNA <200 copies/mL at Week 48 and Week 96
48 and 96 Weeks
Time to virologic failure (defined as confirmed HIV-1 RNA levels ≥ 1000 copies/mL at week 24 or ≥ 200 copies/mL after week 24)
24 Weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Treatment Group 1EXPERIMENTALDelstrigo
Treatment Group 2OTHERKOCITAF
Interventions
NameTypeDescription
DelstrigoDRUGTreatment Group 1 Participants will receive Doravirine, as part of a fixed-dose oral combination with lamivudine and tenofovir disoproxil fumarate (DOR/3TC/TDF, Delstrigo)tablets which are to be administered orally and once daily.
KOCITAFDRUGTreatment Group 2 Participants will receive dolutegravir, as part of a fixed-dose oral combination with tenofovir alafenamide plus emtricitabine (DTG/TAF/FTC, KOCITAF) tablets which are to be administered orally and once daily.
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Eligibility Criteria
Age Range18 Years — 100 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: Each participant must meet all the following criteria to be enrolled in this study. * ≥18 years old, male or female. * Documented laboratory diagnosis of infection with HIV-1 (positive enzyme-linked immunosorbent assay HIV-1 antibody test) at screening, with no baseline DOR res...

Countries:South Africa
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT05924438studyFirstPostDate: changed