Related Experiment Video
Updated: Apr 29, 2026

Opsono-Adherence Assay to Evaluate Functional Antibodies in Vaccine Development Against Bacillus anthracis and Other Encapsulated Pathogens
Published on: May 19, 2020
The relationship between pediatric combination vaccines and market effects
Banafsheh Behzad1, Sheldon H Jacobson, Janet A Jokela
1Banafsheh Behzad is with the Department of Industrial and Enterprise Systems Engineering, University of Illinois at Urbana-Champaign. Sheldon H. Jacobson is with the Department of Computer Science, University of Illinois at Urbana-Champaign. Janet A. Jokela is with College of Medicine, University of Illinois at Urbana-Champaign. Edward C. Sewell is with the Department of Mathematics and Statistics, Southern Illinois University, Edwardsville.
Insights
Market factors influencing pediatric combination vaccine uptake were analyzed. Pentacel
Area of Science:
- Health Economics
- Vaccinology
- Public Health
Background:
- Pediatric combination vaccines are crucial for public health.
- Market dynamics significantly influence vaccine uptake and formulary placement.
- Understanding cost-effectiveness is vital for healthcare providers and policymakers.
Purpose of the Study:
- To analyze market factors affecting pediatric combination vaccine uptake in the US public sector.
- To examine the formulary placement of Pediarix and Pentacel between 2009-2012.
- To identify competitive drivers between Pediarix and Pentacel.
Main Methods:
- Analysis of market factors influencing pediatric combination vaccine uptake.
- Examination of formulary placement for Pediarix and Pentacel (2009-2012).
- Assessment of indirect competition from Merck Haemophilus influenzae type b vaccine and hepatitis B birth dose requirements.
Main Results:
- Direct competition between Pediarix and Pentacel is influenced by external factors.
- Merck's Haemophilus influenzae type b vaccine and hepatitis B birth dose impact formulary decisions.
- Pentacel's inclusion in the lowest cost formulary was contingent on ignoring certain cost factors.
Conclusions:
- Pentacel's inclusion in the 2009-2012 lowest cost formulary was unlikely without specific cost considerations being overlooked.
- Healthcare providers' recognition of hepatitis B birth dose administration costs is critical for accurate formulary design.
- Market competition and scheduling requirements significantly shape pediatric vaccine adoption.
Abstract:
We explored market factors that affect pediatric combination vaccine uptake in the US public-sector pediatric vaccine market. We specifically examined how Pediarix and Pentacel earned a place in the 2009-2012 lowest overall cost formulary. Direct competition between Pediarix and Pentacel is driven by the indirect presence of the Merck Haemophilus influenzae type b vaccine and the Recommended Childhood Immunization Schedule requirement for a hepatitis B birth dose. The resulting analysis suggests that Pentacel would never have earned a place in the lowest overall cost formulary for 2009-2012 federal contract prices for any cost of an injection unless the Merck H influenzae type b advantage was ignored and the hepatitis B birth dose administration cost was recognized by health care providers in designing the lowest overall cost formularies.
Related Concept Videos
Pharmacokinetics in Pediatric Patients: Drug Distribution
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Pharmacokinetics in Pediatric Patients: Drug Metabolism
Pharmacokinetics in Pediatric Patients: Drug Excretion
Vaccinations
Drug Dosing: Infants and Children

