Clatterbridge Cancer Centre

From Cycle Development to Batch Release: Enzyme Indicators in Aseptic Manufacturing

Following MHRA inspection in March 2025, this overview outlines how enzyme indicators are incorporated into routine QA decision-making within a regulatory-inspected aseptic manufacturing environment.

The aseptic manufacture of systemic anti-cancer therapy (SACT) requires highly controlled environments and reliable decontamination to protect patient safety and maintain regulatory compliance. Hydrogen peroxide (H₂O₂) isolators are increasingly used in aseptic pharmacy settings to support high-assurance decontamination while enabling scalable batch production.

The Clatterbridge Cancer Centre implemented H₂O₂ isolators within its aseptic pharmacy service to support on-site batch manufacture of chemotherapy treatments, following a structured validation programme and regulatory inspection.

What this article covers

  • The role of H₂O₂ isolators in supporting on-site batch manufacture of SACT
  • Validation and regulatory considerations in an MHRA-inspected aseptic facility
  • Operational implications of embedding rapid decontamination confirmation into batch release
  • How improved assurance can support efficiency and service continuity without compromising safety

Protak Scientific supported the validation programme behind this initiative, working alongside the Clatterbridge team from cycle development through to inspection-ready documentation.


The initiative forms part of a broader focus on resilience, throughput, and confidence in batch release within healthcare manufacturing environments. Particular attention was given to how decontamination assurance is integrated into routine QA workflows to minimise delays and operational bottlenecks.

A statement from The Clatterbridge Cancer Centre is provided separately and linked below.

Resources

Enzyme Indicators

Read about the advantages and benefits of using our Enzyme Indicators for your H₂O₂ bio-decontamination validation processes.

BI vs EI

Biological Indicators vs Enzyme Indicators at a glance.

Case Studies

Presentations, white papers, webinars, shared articles, project summaries and product analysis.