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09
Dec 2020

Role of MicroCurrent HVLD Technology in Parenteral Product Container Closure Integrity (CCI) Testing

Role of MicroCurrent HVLD Technology in parenteral product container closure integrity (CCI) testing

Ensuring pharmaceutical package integrity has always been a priority for drug product manufacturers. However, over the past few decades, innovations in health care sector have also accelerated pharmaceutical package integrity challenges. Although testing package quality of all healthcare products is important, in the case of parenteral products it is amplified significantly. Parenteral products are defined as injectible products that can be either liquid or powders. Solutions can contain suspensions, emulsions and be proteinaceous in nature. ”. Since these drugs are directly administered into human bodies, ensuring complete integrity of such packages is crucial. Common packaging formats for parenteral products include Liquid-filled containers such as vials, ampoules, syringes, BFS and auto injectors; Lypholized (powder) products are often packaged in vials. Even a minute breach in the package can cause microbial contamination leading to product deterioration. Hence ensuring container closure integrity is a critical process in the life cycle of parenteral products.

What is HVLD Methodology?

High Voltage Leak Detection (HVLD)) is a non-destructive Container Closure Integrity technique used primarily to evaluate closure integrity of parenteral product packaging. HVLD technology makes use of quantitative electrical conductivity measurement principles. This method operates by passing high voltage micro current signals through sample packages. Under the presence of a leak, the electrical resistance of the sample declines, causing an increase in current. Applications of High Voltage Leak Detection Technology include testing of the following package formats:

  • Pre-filled Syringes
  • Ampoules
  • Drug Product Cartridges
  • Liquid Filled Vials
  • Blow-Fill-Seal (BFS) Container

PTI’S MicroCurrent HVLD technology has revolutionized the conventional HVLD method. MicroCurrent HVLD is a non-destructive, non-invasive CCI technique that can be applied to a wide range of liquid filled products including low conductivity sterile water for injection (WFI) and highly proteinaceous drug products within suspensions. PTI’s E-scan HVLD, a highly sensitive CCI testing process uses electrode probes to scan sealed non-conductive containers. Under the presence of a leak, there will be a change in current flow indicating a defect in the container along with its approximate location. This unique technique uses about 50% less voltage and exposes the product and environment to less than 5% of the voltage. An important feature of E-scan HVLD is its ability to easily shift from the laboratory offline to 100% inline testing applications. With the capability to accommodate multiple packaging formats including glass, plastic or poly laminates, it is an ideal solution for parenteral package testing.

Benefits of MicroCurrent HVLD:

  • Deterministic, non-destructive, non-invasive
  • High level of repeatability and accuracy
  • Ideal package integrity solution for parenteral products
  • Low voltage exposure to the product and environment
  • Offline and 100% online inspection at high production speeds
Readmore...
CCIT, container closure integrity, container closure integrity testing, parenteral product leak testing, MicroCurrent HVLD, CCI testing
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