Head-to-head evidence
Lenacapavir vs VH4004280 (VH-280)
Same mechanism, same race: design-graded trial evidence for both assets, with the grading rationale shown. Grades describe the quality of the evidence, never the merits of either security.
HIV
Shared mechanism: HIV capsid · full HIV pipeline
Lenacapavir · Sunlenca / Yeztugo
Marketed by Gilead Sciences
NCT04143594 · Phase 2 · completed
The trial randomized 183 participants to lenacapavir-containing regimens or the active comparator B/F/TAF, but treatment was not blinded. The primary HIV-1 RNA suppression endpoint was a clinically relevant measure, yet all lenacapavir-versus-comparator comparisons were non-significant, so the results provide real but limited evidence for lenacapavir.
Next expected readout: March 2027 · NCT06749054 (registry estimate)
VH4004280 (VH-280)
Developed by ViiV Healthcare
NCT06039579 · Phase 2 · completed
This is a randomized, double-blind, placebo-controlled parallel-group trial, but the primary endpoint is a surrogate biomarker (plasma HIV-1 RNA) rather than a hard clinical/endoscopic outcome, and the sample size is small (only 3-7 participants per arm), which limits precision and power. Although the posted results show large antiviral effects in the active arms relative to placebo, no statistical significance testing or confidence intervals are provided, so the primary comparison cannot be confirmed as met.
The full competitive landscape for each asset (every same-race competitor with aligned evidence, sortable) is on the asset pages: Lenacapavir's landscape · VH4004280 (VH-280)'s landscape