Trial reportThe Journal of infectious diseases2024
Concomitant Administration of Ad26.RSV.preF/RSV preF Protein Vaccine and High-Dose Influenza Vaccine in Adults 65 Years and Older: A Noninferiority Trial.
Trial report in The Journal of infectious diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Safety and Efficacy of Respiratory Syncytial Virus Vaccination in Older Adults: Systematic Review and Meta-Analysis of Randomized Controlled Trials.JMIR public health and surveillance · 2025Pooled it
- Influenza Vaccination in Spain: Understanding the Impact of Suboptimal Coverage on Health, Society, and the Economy.Vaccines · 2026Review
- Respiratory Syncytial Virus Immunization Strategies for Older Adults in Gulf Cooperation Council Countries: Expert Consensus and Recommendations.Infectious diseases and therapy · 2026Article
- Respiratory Syncytial Virus (RSV) Vaccine Acceptance Among the Elderly in Al-Qassim Region, Saudi Arabia.Patient preference and adherence · 2026Article
- Preventing RSV Infection in Children: Current Passive Immunizations and Vaccine Development.Pathogens (Basel, Switzerland) · 2025Review
- Immunogenicity, safety and reactogenicity of Ad26.RSV.preF/RSV preF protein vaccine in adults aged 60 to 75 years: A comparison of phase 2b and phase 3 clinical trial material.Human vaccines & immunotherapeutics · 2024Article
- Review
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundSince influenza and respiratory syncytial virus (RSV) carry significant burden in older adults with overlapping seasonality, vaccines for both pathogens would ideally be coadministered in this population. Here we evaluate the immunogenicity and safety of concomitant administration of Ad26.RSV.preF/RSV preF protein and high-dose seasonal influenza vaccine (Fluzone-HD) in adults ≥65 years old.
methodsParticipants were randomized 1:1 to the Coadministration or Control group. The Coadministration group received concomitant Ad26.RSV.preF/RSV preF protein and Fluzone-HD on day 1 and placebo on day 29, while the Control group received Fluzone-HD and placebo on day 1 and Ad26.RSV.preF/RSV preF protein on day 29. Influenza hemagglutination-inhibiting and RSV preF-binding antibody titers were measured postvaccination and tested for noninferiority between both groups. Safety data were collected throughout the study and analyzed descriptively.
resultsCoadministered Ad26.RSV.preF/RSV preF protein and Fluzone-HD vaccines induced noninferior immune responses compared to each vaccine administered alone. Seroconversion and seroprotection rates against influenza were similar between groups. Both vaccines remained well tolerated upon concomitant administration.
conclusionsCoadministration of Ad26.RSV.preF/RSV preF protein and Fluzone-HD showed an acceptable safety profile and did not hamper the immunogenicity of either vaccine, thus supporting that both vaccines can be concomitantly administered in adults ≥65 years old.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.