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Ode to a Sporicide-Can We Do Better?
Terra Kremer1, Donald C Singer2
1Johnson & Johnson; and tkremer@its.jnj.com.
PDA Journal of Pharmaceutical Science and Technology
|December 16, 2025
Summary
Disinfectants alone do not ensure microbiological control in manufacturing. Sporicides complement cleaning and disinfection for persistent bacterial spore-formers, reducing contamination risks.
Area of Science:
- Pharmaceutical Manufacturing
- Microbiology
- Contamination Control
Background:
- Effective contamination control in manufacturing relies on consistency.
- Common belief that disinfectants alone control microbiological risk is a misconception.
- Sporicides are often misunderstood as a standalone solution for control failures.
Purpose of the Study:
- Clarify the role of sporicides in cleanroom environments.
- Emphasize the importance of a risk-based approach to contamination control.
- Promote best practices for using sporicides in sterile pharmaceutical manufacturing.
Main Methods:
- Review of contamination control principles in controlled environments.
- Analysis of the function of sporicides in relation to cleaning and disinfection.
- Discussion of risk assessment for bacterial spore-formers.
Main Results:
- Sporicides should complement, not replace, good cleaning and broad-spectrum disinfection.
- Effective contamination control requires a combination of sporicides, material control, and gowning practices.
- Understanding bacterial spore-formers is key to managing risks.
Conclusions:
- A risk-based approach to managing bacterial spore-formers is essential.
- Sporicides are a valuable tool when used appropriately alongside other control measures.
- Consistent contamination control practices reduce microbiological risks in sterile manufacturing.
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