At a glance
ClinicalIndex Comparison RecordStandardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Randomized, Double-blind, Placebo-controlled Phase 1/2a Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of Ad26COVS1 in Adults Aged 18 to 55 Years Inclusive and Adults Aged 65 Years and Older
In Brief
A Phase 2 clinical trial evaluating Ad26.COV2.S and Placebo for Covid-19 Prevention. Completed, enrolled 1,085 participants across 12 sites in 2 countries.
Detailed Summary
The purpose of the study is to assess the safety, reactogenicity, and immunogenicity of Ad26.COV2.S at 2 dose levels, administered intramuscularly (IM) as a single-dose or 2-dose schedule, with a single booster vaccination administered in one cohort in healthy adults aged greater than or equal to (\>=) 18 to less than or equal to (\<=) 55 years and in adults aged \>= 65 years in good health with or without stable underlying conditions. The purpose of the study is also to assess the safety and reactogenicity of Ad26.COV2.S administered as ad hoc booster vaccination in healthy adults aged \>= 18 to \<= 55 years and in adults \>= 65 years in good health with or without stable underlying conditions.
Study Details
Timeline
Interventions
Participants will receive intramuscular (IM) injection of Ad26.COV2.S.
Participants will receive Placebo.