Actively Recruiting
Estimate the Safety and Effectiveness of Adjuvanted Influenza Vaccine Among Asian Elderly People When Compared to Non-adjuvanted Vaccines
Led by National Taiwan University Hospital · Updated on 2026-02-24
200
Participants Needed
1
Research Sites
162 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
To compare the immunogenicity, cellular immune response, and safety between adjuvanted (aIIV4) and non-adjuvanted (IIV4) seasonal influenza vaccines in the Taiwanese elderly population with chronic medical conditions.
CONDITIONS
Official Title
Estimate the Safety and Effectiveness of Adjuvanted Influenza Vaccine Among Asian Elderly People When Compared to Non-adjuvanted Vaccines
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Adults aged 65 years or above
- Presence of at least 1 chronic medical condition that increases risk of complicated influenza, including hypertension, chronic obstructive pulmonary disease (group A, B, E), asthma, congestive heart failure (ACC/AHA stage A, B, C, D), coronary arterial disease, diabetes mellitus, chronic liver disease (Child-Pugh score A, B, C), chronic kidney disease (stage 1~4), neuromuscular disorders, hematological or solid organ malignancies, or recipients of hematopoietic stem cell or solid organ transplantation
You will not qualify if you...
- History of severe adverse event after influenza vaccination, such as anaphylaxis or Guillain-Barré Syndrome, or severe bleeding tendency
- Influenza vaccination received during the current flu season
- Determination by the Principal Investigator that the participant is ineligible based on clinical assessment
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
National Taiwan University Hospital
Taipei, Taiwan, 100225
Actively Recruiting
Research Team
J
Jann-Tay Wang Clinical Professor, M. D., Ph.D.
CONTACT
U
Un-In Wu Clinical Associate Professor, M. D.
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
QUADRUPLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
PREVENTION
Number of Arms
2
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