Container Closure Integrity Testing (CCIT)

Container Closure Integrity Testing (CCIT) stands as a core pillar of quality assurance in the pharmaceutical and medical device industries. CCIT evaluates the ability of packaging systems—such as vials, syringes and infusion bags—to maintain a sterile barrier and prevent contaminants from entering throughout the product’s shelf life. Regulatory agencies require robust CCIT data for product approval and ongoing quality assurance, making it essential for sterile products like injectables and implantable devices. By confirming packaging integrity, CCIT safeguards patient safety, supports product stability and ensures compliance with USP and international standards, ultimately protecting product efficacy and reducing the risk of recalls or adverse events.

Cambrex’s Container Closure Integrity Testing Services

Cambrex provides comprehensive CCIT services to help clients meet the highest standards for sterility and regulatory compliance. Our laboratories utilize advanced methods and accredited processes to provide reliable, regulatory-compliant results, including:

Dye Ingress Method

Cambrex uses the dye ingress method to assess the physical integrity of container closure systems. Containers are exposed to a dye solution under vacuum or pressure; any breach allows dye to penetrate, providing a clear visual indication of compromised integrity. This straightforward test is ideal for routine quality control and validation, efficiently detecting leaks or defects in packaging systems.

Microbial Ingress Method

Our microbial ingress testing challenges container closures with a microbial suspension under controlled conditions. This stringent method determines whether microorganisms can penetrate the closure, directly demonstrating the system’s ability to maintain sterility throughout the product lifecycle. It is especially critical for products labeled as sterile, providing robust data to support regulatory submissions and market approval.

Vacuum Decay Method

We can perform vacuum decay testing to deterministically assess the integrity of container closure systems without compromising product sterility. Using the Sepha Multi‑Q instrument, sealed containers such as vials, syringes, and cartridges undergo a controlled vacuum while the system monitors for pressure changes that indicate the presence of leaks. This non‑destructive technique provides sensitive, quantitative data to detect micro‑leaks, supporting robust sterility assurance for injectable and other high‑risk pharmaceutical products.

Pressure Decay Testing

Cambrex also offers pressure decay testing, a deterministic, non‑destructive CCIT approach that evaluates container closure integrity by applying positive pressure and monitoring for pressure loss over time. Using the same Sepha Multi‑Q instrument, this method is well suited for rigid and semi‑rigid packaging systems where controlled pressurization enables precise leak detection. Pressure decay testing delivers reproducible, quantitative results that support quality control, method validation, and regulatory submissions.

Cambrex’s CCIT services apply to a wide range of pharmaceutical and medical device packaging. Our proven track record, technical proficiency and collaborative teams ensure clients receive science-based solutions that support product safety, regulatory compliance and successful market entry.

Accreditation & Regulatory Compliance

Our testing laboratories are FDA-registered and GMP-compliant, reflecting our commitment to excellence and regulatory compliance.  This comprehensive framework ensures we deliver accurate, reliable and regulatory-ready results to support your product safety and successful regulatory submissions.

Expertise and Client Support

Cambrex’s team of experienced analysts and microbiologists deliver high-quality services with quick and reliable turnaround times. Clients benefit from direct access to a dedicated account manager, who coordinates with our technical experts and operations teams to ensure proactive risk mitigation, project alignment with client goals, clear communication and prompt issue resolution.

We also offer courier services for sample pickup and delivery within a 150-mile radius of the Agawam, MA facility, ensuring sample integrity and convenience for clients.