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Efficacy and Safety of Long-Acting Subcutaneous Lenacapavir in Heavily Treatment-Experienced People with Multidrug-Resistant HIV-1: Week 104 Results of a Phase 2/3 Trial
Clinical Infectious Diseases ( IF 8.2 ) Pub Date : 2024-08-29 , DOI: 10.1093/cid/ciae423
Onyema Ogbuagu, Jean-Michel Molina, Ploenchan Chetchotisakd, Moti N Ramgopal, William Sanchez, Jason Brunetta, Francesco Castelli, Gordon E Crofoot, Chien-Ching Hung, Sylvie Ronot-Bregigeon, Nicolas A Margot, Hui Wang, Hadas Dvory-Sobol, Martin S Rhee, Sorana Segal-Maurer

Background Lenacapavir is a long-acting human immunodeficiency virus type 1 (HIV-1) capsid inhibitor for treatment of HIV-1 infection. We evaluated the efficacy and safety of lenacapavir in combination with an investigator-selected optimized background regimen (OBR) after 104 weeks in adults with multidrug-resistant HIV-1. Methods This ongoing, international, Phase 2/3 trial at 42 sites included 72 adults living with multidrug-resistant HIV-1. Following a 2-week oral lenacapavir loading phase, participants received subcutaneous lenacapavir every 26 weeks with an OBR. HIV-1 RNA, CD4 cell counts, and adverse events were assessed over 104 weeks. One participant did not enter the extension phase. Results At Week 104, 44 of 71 participants (62%, 95% confidence interval [CI]: 50; 73) had HIV-1 RNA <50 copies/mL via US Food and Drug Administration (FDA) snapshot algorithm. When missing data (including discontinuations) were excluded, 44 of 54 participants (82%) had HIV-1 RNA <50 copies/mL at Week 104, mean CD4 cell count increased by 122 cells/µL (95% CI: 80; 165), and the proportion of participants with CD4 cell count <200 cells/µL decreased from 64% (46 of 72) at Baseline to 29% (16 of 55). Fourteen participants had treatment-emergent lenacapavir resistance; 7 resuppressed (HIV-1 RNA <50 copies/mL) while maintaining lenacapavir use. There were no Grade 4 or serious treatment-related adverse events. One participant discontinued study drug due to an injection site reaction. Conclusions Treatment with subcutaneous lenacapavir in combination with an OBR was well tolerated and resulted in a high rate of virological suppression over 104 weeks. Lenacapavir represents an important treatment option in people with multidrug-resistant HIV-1.

中文翻译:


长效皮下注射 Lenacapavir 在经治疗经验丰富的多重耐药 HIV-1 患者中的疗效和安全性:第 104 周2/3 期试验的结果



背景 Lenacapavir 是一种长效人类免疫缺陷病毒 1 型 (HIV-1) 衣壳抑制剂,用于治疗 HIV-1 感染。我们评估了 lenacapavir 联合研究者选择的优化背景方案 (OBR) 在 104 周后治疗多重耐药 HIV-1 成人的疗效和安全性。方法 这项正在进行的国际 2/3 期试验在 42 个地点进行,包括 72 名患有多重耐药 HIV-1 的成年人。在 2 周的口服 lenacapavir 负荷阶段之后,参与者每 26 周接受一次皮下注射 lenacapavir 和 OBR。在 104 周内评估 HIV-1 RNA 、 CD4 细胞计数和不良事件。一名参与者未进入扩展阶段。结果 在第 104 周时,71 名参与者中有 44 名 (62%,95% 置信区间 [CI]: 50;73) 通过美国食品和药物管理局 (FDA) 快照算法出现 HIV-1 RNA <50 拷贝/mL。当排除缺失数据(包括停药)时,54 名参与者中有 44 名 (82%) 在第 104 周时 HIV-1 RNA <50 拷贝/mL,平均 CD4 细胞计数增加 122 个细胞/μL (95% CI: 80;165),CD4 细胞计数 <200 个细胞/μL 的参与者比例从基线时的 64%(72 个中的 46 个)下降到 29%(55 个中的 16 个)。14 名参与者患有治疗中出现的 lenacapavir 耐药;7 次再抑制 (HIV-1 RNA <50 拷贝/mL),同时维持 lenacapavir 的使用。没有 4 级或严重的治疗相关不良事件。一名参与者因注射部位反应而停止研究药物。结论 皮下注射 lenacapavir 联合 OBR 治疗耐受性良好,并在 104 周内导致高病毒学抑制率。Lenacapavir 是耐多药 HIV-1 患者的重要治疗选择。
更新日期:2024-08-29
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