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Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus
Published on: July 27, 2021
Recent developments in pediatric respiratory syncytial virus prevention: The expanding role of monoclonal antibodies
Christine E Tabulov1, Kristy M Shaeer1
1Department of Pharmacotherapeutics and Clinical Research, University of South Florida Taneja College of Pharmacy. Tampa, FL, USA.
Insights
New monoclonal antibodies offer improved protection against respiratory syncytial virus (RSV) lower respiratory tract disease (LRTD) in infants and children. These advanced therapies, including nirsevimab and clesrovimab, are now preferred over older options like palivizumab.
Area of Science:
- Pediatric Infectious Diseases
- Immunology
- Pharmacology
Background:
- Respiratory syncytial virus (RSV) is a leading cause of lower respiratory tract disease (LRTD) in infants and young children.
- Monoclonal antibodies have been developed for RSV prevention.
- Palivizumab was the standard of care for many years.
Purpose of the Study:
- To evaluate currently approved monoclonal antibodies for RSV LRTD prevention in pediatric populations.
- To highlight key considerations for pharmacists regarding clinical decision-making, medication access, and patient education.
Main Methods:
- Review of regulatory-approved monoclonal antibodies for RSV prevention.
- Analysis of efficacy, safety, and administration profiles of newer agents.
- Consideration of the evolving landscape of RSV therapeutics.
Main Results:
- Nirsevimab and clesrovimab demonstrate strong efficacy and favorable safety profiles for preventing RSV LRTD.
- These newer agents offer improved duration of protection and convenience compared to palivizumab.
- Palivizumab is no longer the preferred preventative option.
Conclusions:
- Monoclonal antibodies are a critical strategy for preventing RSV LRTD in vulnerable pediatric groups.
- Nirsevimab and clesrovimab represent significant advancements in RSV prevention.
- Pharmacists are essential in optimizing the use of these therapies through patient selection, access navigation, and education.
Purpose:
This article provides a concise evaluation of the monoclonal antibodies that have received regulatory approval for prevention of respiratory syncytial virus (RSV) lower respiratory tract disease (LRTD) in certain pediatric groups, with an emphasis on key considerations for pharmacists to aid in clinical decision-making, medication access, and patient education.
Summary:
RSV monoclonal antibodies have emerged as a critical preventative strategy, particularly in infants and young children. For over 25 years, palivizumab was administered in select pediatric populations; however, it is no longer preferred due to the improved efficacy, duration of protection, and convenience of administration of newer agents. The recently FDA-labeled monoclonal antibodies nirsevimab and clesrovimab demonstrate strong efficacy in preventing RSV LRTD and have favorable safety profiles. Regulatory approval and guidance from national health authorities continue to shape the appropriate use of these therapies across different patient groups.
Conclusion:
The utility of RSV monoclonal antibodies continues to evolve, with these antibodies offering promising targeted, durable protection against a virus that remains a major cause of morbidity in infants and young children. Ongoing surveillance, real-world evidence, and continued innovation will further refine the role of these agents in clinical practice. Pharmacists play a pivotal role in evaluating appropriate candidates for therapy, navigating payor and formulary requirements, and educating caregivers and healthcare teams on administration, storage, and monitoring.
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