At a glance
ClinicalIndex Comparison RecordN/ACompleted· 4,235 enrolled
Drug / intervention
Not specified
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
COVID-19 Antibody and Reinfection Study
In Brief
An observational study for COVID-19 Testing. Completed, enrolled 4,235 participants across 1 site.
Detailed Summary
The goal of this study is to establish a cohort of Kaiser Permanente Colorado (KPCO) members who have and have not had COVID-19 infection for serial antibody testing and PCR testing to: 1. Quantify antibody titers among participants over 9 months. 2. Determine the rates of asymptomatic, mild, and severe recurrent infection among participants with prior COVID-19. 3. Examine association between antibody titer levels and risk of recurrent infection using a case control analysis nested in the cohort.
Study Details
Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsCOVID-19 Testing
CountriesUnited States
Collaborators--
Timeline
N/ACompletedFinished
202120222023202420252026
Enrollment StartJun 2020
First PostedMay 2022
Primary CompletionMar 2023
Study CompletionDec 2024
TodayJul 2026
First PostedMay 9, 2022
Enrollment StartJun 15, 2020
Primary CompletionMar 30, 2023
Study CompletionDec 31, 2024
TodayJul 2, 2026
Enrollment to primary: 2.8 yearsPosted 4.1 years ago