| Summary: | Despite the increased risks of cancers and cardiovascular related diseases, tobacco smoking continues to be prevalent in the population due largely in part to the addictive nature of nicotine. Nicotine vaccines are an attractive alternative to the current smoking cessation options but have yet to be successful enough in clinical trials to reach the market due to a lack of neutralizing antibodies and inconsistent results. Using AFPL1 derived from the Cuban meningococcal vaccine as an adjuvant, we have previously published promising results with an intranasally administered nicotine vaccine. In order to examine the immunogenicity and safety of this vaccine in mice we set up a pilot trial administering the vaccine either intranasally, intramuscularly or utilizing both routes simultaneously and evaluated immune responses and clinical symptoms throughout the duration of the vaccination protocol and post-mortem. These data further demonstrate the ability of the AFPL1 nicotine conjugate vaccine to be a safe and potential candidate for clinical use.
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