Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Kirsten E Lyke, M.D.
University of Maryland School of Medicine, Center for Vaccine Development and Global Health
Study Chair
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
10 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- the Hope Clinic of Emory University
Decatur, Georgia, United States
- University of Maryland Baltimore - Institute of Human Virology
Baltimore, Maryland, United States
- Nyu Langone Vaccine Center
New York, New York, United States
- University of Rochester Medical Center - Vaccine Research Unit
Rochester, New York, United States
- Cincinnati Children'S Hospital Medical Center Vaccine Research Center
Cincinnati, Ohio, United States
- University of Pittsburgh - Medicine - Infectious Diseases
Pittsburgh, Pennsylvania, United States
- University of Texas Medical Branch
Galveston, Texas, United States
- Baylor College of Medicine
Houston, Texas, United States
- Kaiser Permanente Washington Health Research Institute
Seattle, Washington, United States
- the University of Washington - Virology Research Clinic
Seattle, Washington, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 28 May 2021
- Primary completion
- 16 Jun 2023
- Completion
- 16 Jun 2023
- Last update posted
- 20 Apr 2025
- Registered enrollment
- 867
- Registry id
- NCT04889209
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.