Understanding COVID-19 Vaccine Immunity in Tissue and Blood

Status

Withdrawn

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05682625

Enrollment

Registered

2023-01-12

Start date

2024-10-31

Completion date

2029-09-30

Last updated

2024-09-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19 (Coronavirus Disease 2019)

Keywords

Immunity, Vaccine

Brief summary

The purpose of this study is to understand the effects of COVID-19 vaccines on the immune system and how the COVID-19 vaccines provide protection and induce long term memory. Adults who are receiving a COVID-19 vaccine will be invited to participate in this study.

Interventions

OTHERNo intervention

No intervention

Study design

Observational model

CASE_ONLY

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Inclusion criteria

* Adults 18yrs old and higher who are receiving a COVID-19 vaccine

Exclusion criteria

* Pregnancy * Patients with contraindications for lymph node biopsy * Active cancer * Current use of immunosuppression drugs

Design outcomes

Primary

Measure	Time frame
Testing immune response to the COVID-19 vaccine over time	1 day

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026