A Phase 1 Open-Label, Randomized, Parallel-Group Study in Healthy Subjects to Investigate the Effect of Different Storage Conditions of a Long-Acting Nanosuspension of Rilpivirine on the Single-Dose Plasma Pharmacokinetics of Rilpivirine After Intramuscular Injection

The purpose of this study is to compare the single-dose pharmacokinetics of rilpivirine (RPV) after intramuscular (IM) injection of rilpivirine long-acting parenteral formulation (RPV-LA) and 'aged' RPV-LA, in healthy adult participants.

开始日期2015-08-14

申办/合作机构

Janssen Infectious Diseases-Diagnostics BV

NCT02418559 / Completed临床1期

A Double-Blind, Placebo-Controlled, Randomized, Single Ascending Dose Study to Investigate Safety, Tolerability, and Pharmacokinetics of JNJ-63623872 in Healthy Japanese Adult Subjects

The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of JNJ-63623872 following oral administration of single ascending dose of JNJ-63623872 in healthy Japanese adult participants.

开始日期2015-05-01

申办/合作机构

Janssen Infectious Diseases-Diagnostics BV

NCT02262715 / Completed临床1期

A Phase 1, Randomized, 3-way Crossover, Open-label Study to Assess the Drug-drug Interaction Between VX-787 and Tamiflu®, Followed by a Double-blind, Randomized, Placebo-controlled Study to Collect Safety, Tolerability and Pharmacokinetics of VX-787, in Healthy Subjects

The purpose of this study is to investigate the drug-drug interaction between VX-787 and oseltamivir, when co-administered at steady-state in healthy participants. In addition the safety, tolerability and pharmacokinetics (the study of the way a drug enters and leaves the blood and tissues over time) of VX-787 will be assessed.

开始日期2014-07-01

申办/合作机构

Janssen Infectious Diseases-Diagnostics BV

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2024-04-01·The Journal of Clinical Pharmacology

Infliximab Concentrations in Participants with Moderate to Severe COVID‐19

Letter

作者: Hoetelmans, Richard M W ; Balevic, Stephen J ; Dandachi, Dima ; Dixon, Danielle ; Bozzette, Sam ; McCarthy, Matthew W

2019-10-23·Open Forum Infectious Diseases

2509. Pooled Resistance Analyses of Darunavir (DRV) Once Daily (QD) Regimens and Formulations Across 10 Clinical Studies of Treatment-Naïve (TN) and Treatment-Experienced (TE) Patients with Human Immunodeficiency Virus (HIV)-1 Infection

作者: Wong, Eric Y ; Luo, Donghan ; De Meyer, Sandra ; Lathouwers, Erkki ; Seyedkazemi, Sareh ; Brown, Kimberley

AbstractBackgroundDRV has demonstrated high efficacy and barrier to resistance development across diverse populations, from TN to heavily TE patients. We evaluated resistance data from 10 clinical studies of different DRV 800 mg QD–based antiretroviral regimens and formulations.MethodsThe analysis included patients from 10 phase 2/3 studies (48–192 weeks in duration) of ritonavir- and cobicistat-boosted DRV 800 mg QD–based regimens in TN and virologically failing or suppressed TE patients with HIV-1 (table). Three were phase 3 studies of the DRV/cobicistat/emtricitabine/tenofovir alafenamide (D/C/F/TAF) 800/150/200/10 mg single-tablet regimen (STR). Post-baseline resistance was evaluated in patients experiencing protocol-defined virologic failure (PDVF); definitions and criteria for resistance testing varied slightly among studies. Resistance-associated mutations (RAMs) were based on respective International Antiviral Society–USA mutation lists over time.ResultsOf the 3,635 patients evaluated, 250 met PDVF criteria and 205 had post-baseline genotypes/phenotypes. Overall, 4 (0.1%) patients developed (or had identified [switch studies]) ≥1 DRV and/or primary protease inhibitor (PI) RAM (table), and only 1 (< 0.1%, ODIN) patient lost DRV phenotypic susceptibility; this TE patient had prior VF with lopinavir. Among those who used a nucleos(t)ide reverse transcriptase inhibitor (NRTI) backbone (mostly emtricitabine [FTC] + tenofovir [TFV]), 12 (0.4%) patients had ≥1 NRTI RAM, including 10 with M184I/V associated with FTC resistance. No TFV RAMs were observed. Among patients receiving D/C/F/TAF (n = 1,949), none had post-baseline DRV, primary PI, or TFV RAMs; only 2 (0.1%) patients developed an FTC RAM.ConclusionAcross a large, diverse population using DRV 800 mg QD–based regimens and formulations, resistance development remains rare; 0.1% of patients had ≥1 DRV and/or primary PI RAM post-baseline. Among 3 trials of the D/C/F/TAF STR, no patients developed a DRV or primary PI RAM. After > 10 years of investigating DRV 800 mg QD–based regimens in clinical trials, loss of phenotypic susceptibility to DRV has never been observed in TN or TE virologically suppressed patients and was only once observed in a TE patient with prior VF on multiple antiretrovirals, including a PI.DisclosuresAll authors: No reported disclosures.

2018-12-01·AIDS Research and Human Retroviruses

Prevalence of Darunavir Resistance in the United States from 2010 to 2017

Article

作者: Stewart, Lisa ; Lathouwers, Erkki ; Yang, Dongmei ; Nettles, Richard E. ; Whitcomb, Jeannette M. ; Brown, Kimberley

The emergence and transmission of antiretroviral drug resistance have been and remain a concern among people living with human immunodeficiency virus (HIV)-1 infection. The protease inhibitor (PI) darunavir has been approved for use in the United States for more than 10 years and has demonstrated a high barrier to resistance. Previous analyses identified significant reductions in the prevalence of samples with darunavir resistance-associated mutations (RAMs) and with phenotypic resistance to darunavir and other PIs between 2006 and 2012. This analysis extends those findings by evaluating darunavir and PI resistance among clinical samples submitted for routine drug resistance testing (combined genotyping and phenotyping) in the United States from 2010 to 2017. Frequencies of 11 darunavir and 23 primary PI RAMs, and phenotypic susceptibility, were assessed yearly among all samples and in a subset of samples with distinct phenotypic resistance to one or more PIs. Among all samples (N = 60,760), the proportion with 0 darunavir RAMs was 91.7% in 2010 and 95.8% in 2017. The proportions of all samples with phenotypic susceptibility to darunavir, atazanavir, and lopinavir were, respectively, 97.4%, 94.2%, and 94.7% in 2010 and 98.6%, 97.7%, and 97.5% in 2017. Among the 4,799 samples with phenotypic resistance to one or more PIs, the proportions with phenotypic susceptibility to darunavir, atazanavir, and lopinavir were, respectively, 73.3%, 41.5%, and 46.0% in 2010 and 70.7%, 53.7%, and 48.8% in 2017. The prevalence of darunavir RAMs among commercially tested HIV-1 samples remained low and generally stable from 2010 to 2017, and high proportions showed phenotypic darunavir susceptibility.

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