CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 38 enrolled
Drug / intervention
Ad26.RSV.preF +2 morebiological
Likely dose
Ad26.RSV.preF 2.5×10^10 vp administered as intramuscular injectionAI-extracted
Key inclusion· 5
  • RSV-seronegative status documented within 42 days prior to dosing
  • Born at ≥37 weeks gestation with birth weight ≥2.5 kg
  • Good health without significant medical illness on physical exam, history, and vital signs
  • Up-to-date with all routine age-appropriate immunizations per local guidelines
Key exclusion· 6
  • Weight below tenth percentile on WHO pediatric growth charts
  • History of seizure disorders, bleeding/clotting disorders, autoimmune disease, active malignancy, or systemic infections
  • Congenital heart disease or significant pulmonary conditions (asthma, cystic fibrosis, bronchopulmonary dysplasia, history of wheezing requiring treatment, hospitalization/mechanical ventilation for respiratory illness)
  • Known or suspected immunodeficiency including HIV infection

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03606512
NCT03606512Phase 2Completed

A Randomized, Controlled, Observer-blind, Phase 1/2a Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of Ad26.RSV.preF in RSV-seronegative Toddlers 12 to 24 Months of Age

Janssen Vaccines & Prevention B.V.·interventional·Posted Jul 31, 2018·Updated Feb 4, 2025

In Brief

A Phase 2 clinical trial evaluating Ad26.RSV.preF, Placebo, and 1 other intervention for Respiratory Syncytial Virus. Completed, enrolled 38 participants across 25 sites in 8 countries.

Detailed Summary

The purpose of this study is to assess the safety and reactogenicity of an intramuscular regimen of 3 doses of 2.5\*10\^10 viral particles (vp) of adenovirus serotype 26 based respiratory syncytial virus pre-fusion protein (Ad26.RSV.preF) vaccine in RSV-seronegative toddlers aged 12 to 24 months.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Brazil, Canada, Finland, Poland, Spain, Sweden, United Kingdom
Collaborators--

Timeline

Phase 2CompletedFinished
20192020202120222023202420252026
First PostedJul 31, 2018
Enrollment StartJan 21, 2019
Primary CompletionNov 2, 2021
TodayJul 2, 2026
Enrollment to primary: 2.8 yearsPosted 7.9 years ago

Interventions

Ad26.RSV.preFbiological

Ad26.RSV.preF will be administered as IM injection at a dose of 2.5\*10\^10 vp.

Placebobiological

Placebo will be administered as IM injection of sterile 0.9 percent (%) saline for injection.

Nimenrixbiological

Nimenrix will be administered as 0.5 milliliter (mL) solution for IM injection.