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Current use and future directions of adenovirus vaccine
M J Gurwith1, G S Horwith, C A Impellizzeri
1Division of Clinical Research, Wyeth-Ayerst Research, Radnor, PA 19101.
Insights
Live adenovirus vaccines are safe and effective for military recruits, reducing respiratory illness hospitalizations. Recombinant adenovirus vectors offer new vaccine development opportunities for various viral diseases.
Area of Science:
- Virology
- Immunology
- Vaccinology
Background:
- Adenoviruses cause significant respiratory illnesses in military recruits and pediatric infections.
- Forty-one human adenovirus serotypes are identified, impacting respiratory and gastrointestinal health.
- Understanding adenovirus transmission is crucial for public health interventions.
Purpose of the Study:
- To evaluate the efficacy and safety of live, oral adenovirus vaccines.
- To explore the potential of recombinant adenovirus vectors for novel vaccine development.
- To analyze adenovirus transmission patterns in different populations.
Main Methods:
- Large-scale clinical trials of live, oral adenovirus vaccines in military personnel.
- Investigation of adenovirus transmission dynamics within military and family settings.
- Application of recombinant DNA technology for vaccine vector design.
Main Results:
- Live, oral adenovirus vaccines demonstrated safety and high effectiveness in reducing adenoviral acute respiratory disease hospitalizations.
- Limited horizontal transmission observed in military personnel, contrasting with substantial transmission in family units.
- Recombinant adenovirus vectors show promise for developing vaccines against hepatitis B, HIV, HSV, and RSV.
Conclusions:
- Live adenovirus vaccines are a viable strategy for controlling respiratory illnesses in high-risk groups.
- Adenovirus transmission patterns vary significantly between institutional and familial environments.
- Recombinant adenovirus technology presents a versatile platform for next-generation vaccines against diverse viral pathogens.
Abstract:
Adenoviruses are a major cause of respiratory illnesses in military recruits and also are common causes of respiratory and gastrointestinal infections during childhood. Forty-one serotypes of human respiratory and enteric adenoviruses have been identified. Live, oral adenovirus vaccines developed for the military and tested in large clinical trials have proved to be safe and highly effective in decreasing hospitalizations related to adenoviral acute respiratory diseases. Studies have demonstrated little horizontal transmission among military personnel but substantial transmission among family members. Use of recombinant techniques have opened new opportunities for the development of recombinant adenovirus vector vaccines against a number of viral pathogens such as hepatitis B, human immunodeficiency, herpes simplex and respiratory syncytial virus.