- Conditions
- Aging, Age-Related Immunodeficiency, Vaccine Response Impaired
- Interventions
- Metformin Hydrochloride Extended-Release Tablets, Influenza Vaccine
- Drug · Biological
- Lead sponsor
- UConn Health
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Farmington, Connecticut
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–10
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- Conditions
- Aging, Vaccine Response Impaired
- Interventions
- Metformin, Placebo
- Drug
- Lead sponsor
- The University of Texas Health Science Center at San Antonio
- Other
- Eligibility
- 63 Years to 90 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2024
- U.S. locations
- 1
- States / cities
- San Antonio, Texas
- Conditions
- Vaccine Response Impaired, Vaccine Adverse Reaction
- Interventions
- COVID-19 vaccine
- Biological
- Lead sponsor
- Persephone Biosciences
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Vaccine Response Impaired
- Interventions
- low power laser
- Other
- Lead sponsor
- University of California, Irvine
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2019
- U.S. locations
- 2
- States / cities
- Irvine, California • Charlestown, Massachusetts
- Conditions
- Hematologic Disorder
- Interventions
- Lenalidomide, Influenza Vaccine, Pneumovax Vaccine
- Drug · Biological
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- HIV, Pneumococcal Infections, Pneumococcal Vaccines
- Interventions
- PCV-13, PPSV-23
- Biological
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2021
- U.S. locations
- 3
- States / cities
- Aurora, Colorado • Denver, Colorado
- Conditions
- Covid19, Cancer, Malignancy, Vaccine Response Impaired
- Interventions
- SARS-COV2 Pfizer Vaccine
- Biological
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Sarcoidosis, SARS-CoV2 Infection, Vaccine Response Impaired
- Interventions
- Assay of (1) the level of anti-spike IgG antibody, and (2) interferon-gamma release in response to SARS-CoV-2 antigen stimulation
- Diagnostic Test
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- COVID-19, Immunosuppression, Vaccine Response Impaired
- Interventions
- Reduction in antimetabolite immunosuppression
- Drug
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Sacramento, California
- Conditions
- HIV Infections, Hepatitis B, Vaccine Response Impaired
- Interventions
- Not listed
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 18 Years to 109 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland