Influenza vaccination for adults over 75 years old
Official title: Influenza Immunization in Adults Over Age 75
Run by Johns Hopkins University · NCT02200276 · Data updated 2026-11-12
This study tests how well the flu vaccine works for adults over 75, especially looking at how a common virus might affect their immune response.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 75 Years and up |
| Sex | All |
| Enrollment | 1025 (estimated) |
| Sponsor | Johns Hopkins University Academic / other |
| Drugs / interventions | chemotherapy, radiation, methotrexate, prednisone |
| Locations | 1 site (Baltimore, Maryland) |
| Status | Recruiting |
| Started | March 2014 |
| Main results expected | November 30, 2026 |
| Study ends | November 30, 2027 |
| Registry record updated | March 16, 2026 |
| Trial ID | NCT02200276 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are adults aged 75 and older, regardless of their health status.
✕Probably not a fit
Patients with active malignancies, severe systemic inflammatory diseases, or those on immunosuppressive therapies may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This research investigates how the immune systems of older adults, specifically those over 75, respond to the influenza vaccine. It aims to understand the impact of chronic cytomegalovirus (CMV) infection on the immune response to the flu shot in this age group. The study will enroll 1,025 participants and assess both antibody responses and clinical protection from influenza. The findings could provide insights into improving vaccination strategies for the frail elderly population.
Why it matters
Potential benefit: If successful, this study could enhance the effectiveness of influenza vaccinations in older adults, potentially reducing morbidity and mortality associated with influenza.
How similar studies have gone: Previous studies have indicated challenges in vaccine efficacy among older adults, particularly the frail elderly, suggesting that this research addresses a critical gap in understanding immune responses in this population.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Adults over age 75 years Exclusion Criteria: * Allergies to egg or vaccine * Active malignancies * On radiation or chemotherapy * Active systemic inflammatory diseases including rheumatoid arthritis, Crohn's disease, and ulcerative colitis * Acute exacerbation of chronic cardiopulmonary conditions including decompensated CHF or COPD * Taking oral steroids (such as prednisone) or immune modulating drugs (such as methotrexate). * Lacking the capacity to consent (individuals who do not understand what Flu shot is or need someone else to decide if s/he should get the Flu shot)
Where it's running
-
Johns Hopkins University; JHAAC 5501 Hopkins Bayview Circle, 1B84
Baltimore, Maryland, United States Recruiting
Study contacts
- Principal investigator: Sean Leng — Johns Hopkins University
- Study coordinator: Trudymae Agboka, M.S. Biology
- Email: tagboka1@jhmi.edu
- Phone: 410-550-5744
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
-
High-dose versus standard-dose flu vaccine for lung transplant recipients
This study will test whether two yearly doses of the high‑dose flu vaccine produce stronger immune responses than two yearly standard‑dose flu vaccines in people who have received a lung transplant.
-
Comparing high and standard dose influenza vaccines in pediatric organ transplant recipients
This study is testing whether a higher dose of the flu vaccine works better and is safe for kids aged 3 to 17 who have recently received an organ transplant.
-
High-dose vs standard-dose flu vaccine in adults with blood cancers on B-cell-depleting therapy
This study tests whether a high-dose flu shot evokes a stronger immune response than a standard-dose shot in adults with hematologic cancers who recently had B-cell-depleting therapy.
-
Abbott ID NOW at the point of care for flu-like illness in long-term care facilities
This trial tests whether the Abbott ID NOW rapid test at the point of care in long-term care facilities can help identify influenza sooner for residents 65 and older with fever and respiratory symptoms.
-
Egg-based H5N8 influenza vaccine at multiple doses with or without adjuvant in healthy adults
This trial tests whether an egg-based H5N8 flu vaccine, given at low to high doses with or without an adjuvant, is safe and can provoke a stronger immune response in healthy adults 18 and older.
-
Safety and PK of Ingavirin Forte vs Ingavirin in healthy adults under fasting and fed conditions
This early-phase study tests whether Ingavirin Forte (90 mg + 20 mg) is safe and how it behaves in the body compared with Ingavirin (90 mg) in healthy adults aged 18–45, under different meal conditions.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.