Efficacy of an adjuvanted herpes zoster subunit vaccine in older adults.
Himal Lal, Anthony L Cunningham, Olivier Godeaux...
https://pubmed.ncbi.nlm.nih.gov/25916341Actively Recruiting
Led by National Institute of Allergy and Infectious Diseases (NIAID) · Updated on 2026-06-05
225
Participants Needed
1
Research Sites
34 weeks
Total Duration
Researchers are studying the immune response to the Shingrix vaccine in people with HIV and healthy adults aged 50 and older. The study focuses on how the vaccine affects those with different CD4 counts in people with HIV. It also compares immune responses and safety between people with HIV and healthy volunteers, aiming to understand vaccine effects in these groups. Participants will receive two doses of the Shingrix vaccine by injection in the upper arm, given about two months apart. The study includes blood and urine tests, physical exams, and rectal swabs to collect bacteria samples. Some participants may undergo apheresis, a process where white blood cells are separated from the blood. Follow-up visits occur at 3 and 12 months after the first dose. Participants will attend at least four clinic visits over one year. They will track symptoms using a 28-day memory tool and may receive up to four phone calls to discuss side effects. Researchers will measure antibody levels, immune cell responses, and monitor for any adverse events. The study includes regular evaluations to assess vaccine safety and immune response over the 12-month period.
CONDITIONS
Safety and Immunogenicity of Recombinant Varicella Zoster Virus Vaccine in People With HIV Who Have a CD4 Count Less Than 300 or Greater Than or Equal to 300 and a Healthy Control Population
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Complete this quick 3-step screening to check your eligibility
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - 2 months
Participants receive two doses of the Shingrix vaccine by intramuscular injection approximately 2 months apart. Blood is collected prior to each dose to assess immune response.
2 vaccination visits (in-person) with blood collection prior to each dose
Duration - 10 months
Participants attend follow-up visits to monitor safety and immune response after vaccination, including assessments of adverse events and blood sample collection.
2 follow-up visits at months 3 and 12 (in-person) with blood collection
Total: 1 location
1
National Institutes of Health Clinical Center
Bethesda, Maryland, United States, 20892
Actively Recruiting
M
Maura M Manion, M.D.
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
PREVENTION
Number of Arms
1
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Himal Lal, Anthony L Cunningham, Olivier Godeaux...
https://pubmed.ncbi.nlm.nih.gov/25916341Elchonon M Berkowitz, Graeme Moyle, Hans-Jürgen Stellbrink...
https://pubmed.ncbi.nlm.nih.gov/25371534