ArticleThe Journal of infectious diseases2026
Resistance Analysis of Low-Level Virologic Rebound During HIV-1 Treatment With Lenacapavir and Broadly Neutralizing Antibodies Teropavimab and Zinlirvimab.
Article in The Journal of infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04811040 (A Phase 1b Randomized, Blinded, Proof-of-Concept Study to Evaluate the Safety and Efficacy of Broadly Neutralizing Antibodies), which is not on this map. Cited by 2 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase 1b Randomized, Blinded, Proof-of-Concept Study to Evaluate the Safety and Efficacy of Broadly Neutralizing Antibodies (bNAbs) GS-5423 and GS-2872 in Combination With Capsid Inhibitor Lenacapavir (GS-6207) in Virologically Suppressed Adults With HIV-1 Infection
Who cites it
2 citing papers in PubMed.
- Long-Acting Injectable Antiretroviral Therapies for HIV Treatment and Prevention: Clinical Pharmacology, Recent Advances and Future Opportunities.Journal of clinical pharmacology · 2026Review
- Genotypic challenges in implementing broadly neutralizing antibody-based long-acting HIV-1 therapies.Communications medicine · 2026Review
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
backgroundHigh rates of virologic suppression were observed in the Phase 1b study (NCT04811040) investigating lenacapavir and two broadly neutralizing antibodies (bNAb), teropavimab (30 mg/kg) and zinlirvimab (10 or 30 mg/kg), in virologically suppressed people with HIV-1 susceptible (IC90 ≤ 2 μg/mL) to both (primary cohort, n = 20) or either (pilot cohort, n = 10) bNAb. We describe resistance analyses through Week (W) 26.
methodsPost-baseline resistance analyses were conducted at virologic failure, and exploratory resistance analyses performed for participants with virologic rebound. Low copy number genotyping methods for capsid and a 1 kb stretch of gp120 from rebound virus were developed, and phenotypic susceptibility assessed.
resultsVirologic failure was observed in 1/30 participants. This primary cohort participant had HIV RNA 155 copies/mL at W16 and developed Q67H in capsid (lenacapavir fold-change 4.7), without resistance to bNAbs; the participant resuppressed on oral antiretrovirals. Two pilot cohort participants, experienced virologic rebound at W26 (55 and 72 copies/mL) and restarted oral antiretrovirals. In exploratory analyses, neither had emergent lenacapavir resistance or altered bNAb susceptibility.
conclusionsLenacapavir, teropavimab, and zinlirvimab maintained a high rate of virologic suppression through W26, with rare emergent lenacapavir resistance and no bNAb resistance, supporting further Phase 2 evaluation.
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