Unraveling the Microscopic Mysteries: A New Era in Drug Safety
Vision Analytical's Pioneering Role at the PDA Conference
Vision Analytical Inc., a distinguished manufacturer of Dynamic Image Analysis instruments based in Miami, recently captivated attendees at the PDA Universe of Pre-Filled Syringes and Injection Devices Conference. The company proudly presented its Raptor 1788, a state-of-the-art flow imaging system engineered for the meticulous characterization of subvisible particles in parenteral drug formulations, including prefilled syringes (PFS), biologics, and vaccines. This presentation underscored Vision Analytical's commitment to advancing pharmaceutical quality control.
The Crucial Distinction: Silicone vs. Protein Aggregates
Prefilled syringes have become the preferred delivery method for numerous biologics and high-volume injectable medications. A common challenge arises because most prefilled syringes are siliconized, leading to the shedding of silicone droplets that can be indistinguishable from actual particles when using conventional light obscuration counters. This ambiguity complicates the adherence to USP <788> guidelines, which establish limits for subvisible particles. To address this, USP <1788> advocates for complementary techniques like flow imaging to accurately identify and characterize these particles.
The Raptor 1788: Engineered for Precision
The Raptor 1788 was meticulously developed to resolve the aforementioned challenges. Its advanced capabilities include a direct analysis feature that allows samples to be dispensed straight from the syringe into a specialized, interchangeable sample cell, thereby eliminating potential contamination from decanting and ensuring a non-destructive testing process. The system also boasts an impressive resolution down to 1 µm, crucial for visualizing silicone droplets and nascent protein aggregates. Furthermore, its morphology-based classification system distinguishes various particle types, including silicone, protein aggregates, and fibers, with detailed reports generated post-analysis. Representative sampling at high flow rates, up to 40 mL/min, maintains particle suspension and prevents biases caused by flotation or settling, while interchangeable and cleanable or disposable sample cells minimize cross-contamination and downtime. An integrated artifact rejection algorithm intelligently filters out stationary debris, ensuring accurate particle counts.
Key Innovations Highlighted in Palm Springs
Discussions at the Palm Springs conference frequently revolved around three core strengths of the Raptor 1788: its superior imaging resolution, the ability to analyze samples directly from syringes, and its high-flow representative sampling mechanism. Peter Bouza, president of Vision Analytical Inc., noted the overwhelming positive response to the instrument's high-resolution imaging, which extends to particles as small as 1 micron. He also emphasized the convenience and integrity offered by the direct syringe-to-cell analysis, which prevents contamination and preserves the sample. Bouza highlighted the system's rapid operational speed, enabling flow rates of up to 40 mL per minute, which ensures unbiased and comprehensive particle sampling by keeping both silicone droplets and other particles evenly distributed.
Discover More and Request a Demonstration
Laboratories interested in exploring the Raptor 1788's capabilities for prefilled syringe and biologic applications are encouraged to request a live demonstration. Additionally, a comprehensive guide to subvisible particle requirements, specifically referencing USP <788> and <1788>, is available on Vision Analytical's website. Vision Analytical Inc. has been at the forefront of particle characterization instrument design and manufacturing for nearly two decades, with its Raptor series utilizing Dynamic Image Analysis for measuring particle size, shape, and concentration across various fields, including biopharmaceuticals, vaccines, industrial fluids, and materials science. More information can be found on their official websit
