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Trial · NCT02968849

Registered outcomes30

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
SecondaryNumber of Participants With Occurrence of Vaccine-induced IgA Binding Antibodies to HIV Proteins at Month 6.5Measured at Month 6.5
Serum IgA responses were measured on a Bio-Plex instrument using a standardized custom Luminex assay,run at 1:10 dilution.The readout is background-subtracted mean fluorescent intensity (MFI),with background adjustment for an antigen-specific plate level control.For each sample,response magnitude is net MFI,defined as experimental antigen MFI minus reference antigen MFI.Net MFI lt 1 is set to 1, and net MFI \> 22,000 is set to 22,000.Data are excluded if blood draw date was outside the allowable window,a participant was HIV-infected,reference antigen \> 5,000 MFI or baseline net MFI \> 6,500.Samples from post-enrollment visits have positive responses if they meet three criteria:(1) net MFI greater than or equal to an antigen-specific response threshold (defined as the maximum of 100 and the 95th percentile of baseline net MFI),(2) net MFI values are greater than 3 times baseline net MFI, and (3) experimental antigen MFI values are greater than 3 times baseline MFI.
SecondaryLevel of Vaccine-induced IgG Binding Antibodies to HIV Proteins at Month 6.5Measured at Month 6.5
Serum IgG responses were measured on a Bio-Plex instrument using a standardized custom Luminex assay, run at 1:50 and 1:100 dilutions. The readout is background-subtracted mean fluorescent intensity (MFI), with background adjustment for an antigen-specific plate level control. For each sample, response magnitude is net MFI, defined as experimental antigen MFI minus reference antigen MFI. Net MFI lt 1 is set to 1, and net MFI \> 22,000 is set to 22,000. Data are excluded if blood draw date was outside the allowable window, a participant was HIV-infected, reference antigen \> 5,000 MFI or baseline net MFI \> 6,500. Summary was calculated among positive responders only. The immune response data were also studied for their ability to predict HIV-1 infection through Month 24 (correlates of risk analysis). The comprehensive analysis results are available in Moodie et al 2022 (PubMed ID: 35758878).
SecondaryLevel of Vaccine-induced IgG3 Binding Antibodies to HIV Proteins at Month 6.5Measured at Month 6.5
Serum IgG3 responses were measured on a Bio-Plex instrument using a standardized custom Luminex assay, run at 1:40 dilution. The readout is background-subtracted mean fluorescent intensity (MFI), with background adjustment for an antigen-specific plate level control. For each sample, response magnitude is net MFI, defined as experimental antigen MFI minus reference antigen MFI. Net MFI lt 1 is set to 1, and net MFI \> 22,000 is set to 22,000. Data are excluded if blood draw date was outside the allowable window, a participant was HIV-infected, reference antigen \> 5,000 MFI or baseline net MFI \> 6,500. Summary was calculated among positive responders only. The immune response data were also studied for their ability to predict HIV-1 infection through Month 24 (correlates of risk analysis). The comprehensive analysis results are available in Moodie et al 2022 (PubMed ID: 35758878).
SecondaryLevel of Vaccine-induced IgA Binding Antibodies to HIV Proteins at Month 6.5Measured at Month 6.5
Serum IgA responses were measured on a Bio-Plex instrument using a standardized custom Luminex assay, run at 1:10 dilution. The readout is background-subtracted mean fluorescent intensity (MFI), with background adjustment for an antigen-specific plate level control. For each sample, response magnitude is net MFI, defined as experimental antigen MFI minus reference antigen MFI. Net MFI lt 1 is set to 1, and net MFI \> 22,000 is set to 22,000. Data are excluded if blood draw date was outside the allowable window, a participant was HIV-infected, reference antigen \> 5,000 MFI or baseline net MFI \> 6,500. Summary was calculated among positive responders only. The immune response data were also studied for their ability to predict HIV-1 infection through Month 24 (correlates of risk analysis). The comprehensive analysis results are available in Moodie et al 2022 (PubMed ID: 35758878).
SecondaryIncidence Rate of HIV-1 Infection Diagnosed After Enrollment Through 24 Months Among Female ParticipantsMeasured through 24 months after first vaccinationVaccine efficacy was calculated as 1 minus the hazard ratio for HIV-1 infection, which was estimated using a Cox proportional-hazards (Cox PH) model and tested using a log-rank test.
SecondaryIncidence Rate of HIV-1 Infection Diagnosed After Enrollment Through 24 Months Among Male ParticipantsMeasured through 24 months after first vaccinationVaccine efficacy was calculated as 1 minus the hazard ratio for HIV-1 infection, which was estimated using a Cox proportional-hazards (Cox PH) model and tested using a log-rank test.
SecondaryIncidence Rate of HIV-1 Infection Diagnosed After Enrollment Through 24 Months Among Female Participants Aged 25 or YoungerMeasured through 24 months after first vaccinationVaccine efficacy was calculated as 1 minus the hazard ratio for HIV-1 infection, which was estimated using a Cox proportional-hazards (Cox PH) model and tested using a log-rank test.
SecondaryIncidence Rate of HIV-1 Infection Diagnosed After Enrollment Through 24 Months Among Female Participants Older Than 25Measured through 24 months after first vaccinationVaccine efficacy was calculated as 1 minus the hazard ratio for HIV-1 infection, which was estimated using a Cox proportional-hazards (Cox PH) model and tested using a log-rank test.
Secondary
Incidence Rate of HIV-1 Infection Diagnosed After Enrollment Through Month 24 by Genotypic Characteristics of Viral Sequences From HIV-1 Infected Participants at HIV-1 Diagnosis, Such As Signature Site Mutations
Measured through 24 months after first vaccination
Analysis will only be performed if significant positive evidence of vaccine efficacy from enrollment through 24 months is seen. However, monitoring boundaries for non-efficacy have been met per the 23 January 2020 DSMB finding.
SecondaryNumber of Participants With Viral Sequences at HIV-1 DiagnosisMeasured through 24 months after first vaccination
Number of participants in the female mITT cohort with viral sequences were reported. Viral sequencing was conducted on the earliest available plasma specimens with positive HIV-1 RNA PCR tests from study participants who are diagnosed with HIV-1 infection.

Source ClinicalTrials.govtrials-2026-11-12-0.4.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNone stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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