Understanding Immunity to the Flu Vaccine in COVID-19 Patients

Recruiting

• Conditions: Corona Virus Infection; Immunity; Flu Vaccine
• Interventions: Biological: Flu shot

• Registration Number: NCT04579588
• Lead Sponsor: Stanford University

Brief Summary

The purpose of this study is to measure immunity to the flu vaccine over time in patients who have had COVID-19 and may have other medical conditions including obesity, type 2 diabetes, chronic fatigue, or long-term COVID-19 symptoms. Adults and children (age 13 to 64) who had been diagnosed with COVID-19 as well as controls without COVID-19 will be invited to participate in this study.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2020-10-06
• Study First Submitted QC: 2020-10-06
• Study First Posted: 2020-10-08
• Study Start: 2020-10-29
• Status Verified: 2024-10
• Last Update Submitted: 2024-11-01
• Last Update Posted: 2024-11-04
• Primary Completion: 2026-03
• Study Completion: 2026-03

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 230

Inclusion Criteria

• Age 13 through 64 years
• Diagnosed with COVID-19 at least 2 months prior enrollment
• Patients with or without obesity, diabetes, chronic fatigue and/or long term COVID-19 symptoms
• Patients without COVID-19 diagnosis for controls

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Exclusion Criteria

• Received the influenza vaccine less than 4 months ago
• Pregnant or lactating
• Patients with special risks attendant to venipuncture
• Use of immunomodulatory medications
• Immunodeficiency or autoimmune disease

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Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Control participants	Flu shot	-
COVID-19 participants	Flu shot	-

Primary Outcome Measures

Name	Time	Method
Testing immunity to the flu vaccine over time	1 month

Trial Locations

Locations (1)

Stanford University; 🇺🇸 Palo Alto, California, United States