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Factors associated with reactogenicity to an investigational HIV vaccine regimen in HIV vaccine trials network 702

  • Rachel Chihana
  • , Jia Jin Kee
  • , Zoe Moodie
  • , Yunda Huang
  • , Holly Janes
  • , Sufia Dadabhai
  • , Alison C. Roxby
  • , Mary Allen
  • , Sheetal Kassim
  • , Vimla Naicker
  • , Craig Innes
  • , Nivashnee Naicker
  • , Thozama Dubula
  • , Nicole Grunenberg
  • , Mookho Malahleha
  • , James G. Kublin
  • , Linda Gail Bekker
  • , Glenda Gray
  • , Johnstone Kumwenda
  • , Fatima Laher

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Reactogenicity informs vaccine safety, and may influence vaccine uptake. We evaluated factors associated with reactogenicity in HVTN 702, a typical HIV vaccine efficacy trial with multiple doses and products. Methods: HVTN 702, a phase 2b/3 double-blind placebo-controlled trial, randomized 5404 African participants aged 18–35 years without HIV to placebo, or ALVAC-HIV (vCP2438) at months 0, 1 and ALVAC-HIV (vCP2438) + Bivalent Subtype C gp120/MF59 at months 3, 6, 12 and 18. Using multivariate logistic regression, we evaluated associations between reactogenicity with clinical, sociodemographic and laboratory variables. Results: More vaccine than placebo-recipients reported local symptoms (all p < 0.001), arthralgia (p = 0.008), chills (p = 0.012) and myalgia (p < 0.001). Reactogenicity was associated with female sex at birth (ORv = 2.50, ORp = 1.81, both p < 0.001) and geographic region. Amongst vaccine-recipients, each year of age was associated with 3 % increase in reactogenicity (OR = 1.03, p = 0.002). Conclusion: Vaccine receipt, female sex at birth, older age, and region may affect reactogenicity.

Original languageEnglish (US)
Article number125991
JournalVaccine
Volume42
Issue number20
DOIs
StatePublished - Aug 13 2024

Keywords

  • Age
  • Gender
  • HIV
  • Reactogenicity
  • Region
  • Vaccine

ASJC Scopus subject areas

  • Molecular Medicine
  • General Immunology and Microbiology
  • General Veterinary
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

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