Search Results - "Hejazi, Nima S."
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Immune correlates analysis of the mRNA-1273 COVID-19 vaccine efficacy clinical trial
Published in Science (American Association for the Advancement of Science) (07-01-2022)“…In the coronavirus efficacy (COVE) phase 3 clinical trial, vaccine recipients were assessed for neutralizing and binding antibodies as correlates of risk for…”
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Vaccine Efficacy of ALVAC-HIV and Bivalent Subtype C gp120–MF59 in Adults
Published in The New England journal of medicine (25-03-2021)“…In this trial, investigators evaluated the efficacy of the ALVAC–gp120 HIV vaccine in 5404 healthy adults in South Africa. At 24 months, there was no…”
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Immune correlates analysis of the PREVENT-19 COVID-19 vaccine efficacy clinical trial
Published in Nature communications (19-01-2023)“…In the PREVENT-19 phase 3 trial of the NVX-CoV2373 vaccine (NCT04611802), anti-spike binding IgG concentration (spike IgG), anti-RBD binding IgG concentration…”
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Functional Profiling Identifies Determinants of Arsenic Trioxide Cellular Toxicity
Published in Toxicological sciences (01-05-2019)“…Abstract Arsenic exposure is a worldwide health concern associated with an increased risk of skin, lung, and bladder cancer but arsenic trioxide (AsIII) is…”
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Neutralizing antibody correlate of protection against severe-critical COVID-19 in the ENSEMBLE single-dose Ad26.COV2.S vaccine efficacy trial
Published in Nature communications (12-11-2024)“…Assessment of immune correlates of severe COVID-19 has been hampered by the low numbers of severe cases in COVID-19 vaccine efficacy (VE) trials. We assess…”
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Comparing antibody assays as correlates of protection against COVID-19 in the COVE mRNA-1273 vaccine efficacy trial
Published in Science translational medicine (19-04-2023)“…The best assay or marker to define mRNA-1273 vaccine-induced antibodies as a correlate of protection (CoP) is unclear. In the COVE trial, participants received…”
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Stochastic interventional approach to assessing immune correlates of protection: Application to the COVE messenger RNA-1273 vaccine trial
Published in International journal of infectious diseases (01-12-2023)“…•Stochastic interventional vaccine efficacy (SVE) analysis for clinical audience.•SVE analysis estimates how vaccine efficacy (VE) would change under…”
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Publisher Correction: Immune correlates analysis of the PREVENT-19 COVID-19 vaccine efficacy clinical trial
Published in Nature communications (22-03-2023)Get full text
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Stochastic Interventional Vaccine Efficacy and Principal Surrogate Analyses of Antibody Markers as Correlates of Protection against Symptomatic COVID-19 in the COVE mRNA-1273 Trial
Published in Viruses (29-09-2023)“…The COVE trial randomized participants to receive two doses of mRNA-1273 vaccine or placebo on Days 1 and 29 (D1, D29). Anti-SARS-CoV-2 Spike IgG binding…”
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Exploring high-dimensional biological data with sparse contrastive principal component analysis
Published in Bioinformatics (01-06-2020)“…Abstract Motivation Statistical analyses of high-throughput sequencing data have re-shaped the biological sciences. In spite of myriad advances, recovering…”
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Causal mediation analysis for stochastic interventions
Published in Journal of the Royal Statistical Society. Series B, Statistical methodology (01-07-2020)“…Summary Mediation analysis in causal inference has traditionally focused on binary exposures and deterministic interventions, and a decomposition of the…”
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Immune correlates analysis of a phase 3 trial of the AZD1222 (ChAdOx1 nCoV-19) vaccine
Published in npj vaccines (11-03-2023)“…In the phase 3 trial of the AZD1222 (ChAdOx1 nCoV-19) vaccine conducted in the U.S., Chile, and Peru, anti-spike binding IgG concentration (spike IgG) and…”
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A nonparametric framework for treatment effect modifier discovery in high dimensions
Published in Journal of the Royal Statistical Society. Series B, Statistical methodology (21-08-2024)“…Abstract Heterogeneous treatment effects are driven by treatment effect modifiers (TEMs), pretreatment covariates that modify the effect of a treatment on an…”
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When Can Causal-Analytic Methods Inform Design-Based Research?
Published in JAMA network open (05-10-2023)Get full text
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Four statistical frameworks for assessing an immune correlate of protection (surrogate endpoint) from a randomized, controlled, vaccine efficacy trial
Published in Vaccine (02-04-2024)“…•Many statistical approaches have been applied to vaccine efficacy (VE) trials to evaluate CoPs.•Four distinct statistical frameworks for evaluating CoPs in VE…”
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Causal survival analysis under competing risks using longitudinal modified treatment policies
Published in Lifetime data analysis (2024)“…Longitudinal modified treatment policies (LMTP) have been recently developed as a novel method to define and estimate causal parameters that depend on the…”
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Nonparametric inverse‐probability‐weighted estimators based on the highly adaptive lasso
Published in Biometrics (01-06-2023)“…Inverse‐probability‐weighted estimators are the oldest and potentially most commonly used class of procedures for the estimation of causal effects. By…”
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Efficient nonparametric inference on the effects of stochastic interventions under two‐phase sampling, with applications to vaccine efficacy trials
Published in Biometrics (01-12-2021)“…The advent and subsequent widespread availability of preventive vaccines has altered the course of public health over the past century. Despite this success,…”
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Doubly-Robust Inference in R using drtmle
Published in Observational studies (2023)Get full text
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Nonparametric causal mediation analysis for stochastic interventional (in)direct effects
Published in Biostatistics (Oxford, England) (14-07-2023)“…Summary Causal mediation analysis has historically been limited in two important ways: (i) a focus has traditionally been placed on binary exposures and static…”
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