Pilot Study of the Safety & Feasibility of Ultrasound-Guided Fine Needle Aspiration following Hepatitis B Vaccination of Healthy Adults

We are doing this study to find out if it is possible to do a procedure called a “fine needle aspiration” or “FNA” after someone is vaccinated. In this study, we want to do FNAs of lymph nodes in the armpit after vaccinating with a licensed hepatitis B vaccine, to see if we can detect special immune cells against the hepatitis B virus. Eventually, we want to use this procedure in a study of a new vaccine against HIV that is being developed. However, before we do that, we need to figure out if this procedure works. That is why we want to use a very well-known and safe vaccine – the hepatitis B vaccine called “ENGERIX-B” – that has been given to millions of people around the world, including the United States, to learn if the FNA procedure will be useful.

Sponsor(s)
NIH
Principal Investigator(s)
Dr. David Diemert/Microbiology, Immunology and Tropical Medicine
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