🏛️ Verified NIH Record • Updated 2026-05-11
B Cell and Antibody Response to Seasonal Influenza Vaccines in Younger and Older Adults (NCT04101838)
🔵 Active, Not Recruiting Phase4 💊 Investigational Drug / Biologic Sponsor: University of Alabama at Birmingham
🩺 Plain-English Summary (8th-Grade Level)
This study will examine how various FDA-approved seasonal influenza vaccine types, used in a manner consistent with their approved use, impact the characteristics of influenza specific antibodies in humans, and how these responses differ based on age and prior immunization history.
Who can join: Review the eligibility criteria below.
Location: University of Alabama at Birmingham — Birmingham, Alabama
Age range: 18 Years to 80 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- University of Alabama at Birmingham — Birmingham, Alabama
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
More studies in Influenza
- Kaiser Colorado Flu Nudge — Aurora, Colorado
- Phase 1/2 Study of a Plant-Based Seasonal Recombinant Trivalent VLP Influenza Vaccine — Halifax, Nova Scotia
- A Study to Evaluate the Safety and Efficacy of CD388 for Prevention of Influenza — Anniston, Alabama
- Influenza IMPRINT Cohort: Defining the Impact of Initial Influenza Exposure on Immunity in Infants — Cincinnati, Ohio
- A Study of mRNA-1018-H5 Pandemic Influenza Vaccine in Healthy Adults — San Bernardino, California
Explore by condition: All Influenza clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.