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Particle Imaging Analysis – FlowCAM: Pharmaceuticals

The FlowCAM® imaging particle analyzer is a valuable tool for analyzing particles that are in drug suspensions, e.g. microcapsules and aggregates,  during processes of research and development  in the drug industry.

The FlowCAM provides precise size measurement and morphological examination of biological material and compounds in drug solutions at different stages of the development process, making it an important tool for stability and shelf-life tests, drug safety, optimization of formulations and their application. At the manufacturing level, the FlowCAM provides continuous monitoring of the production process, allowing efficient “online” quality control.

With industry-leading image quality combined with automated statistical pattern recognition software, the FlowCAM imaging particle analysis system allows you to simultaneously count and classify particles in your sample – and provides you with the critical data you need to ensure product safety.

Using the FlowCAM in-flow particle analysis system overcomes the limitation of particle counters, while giving additional particle information typically only found by using microscopy.

Some of the FlowCAM Pharmaceutical Applications:

  • Quantification and characterization of protein aggregates: FlowCAM represents a powerful tool with unique features for detecting, counting, and characterizing protein aggregates and other particles in parenteral drug formulations.
  • Characterization and quality control of IV fluids
  • Microencapsulation formulation and quality control: Using FlowCAM, you can gain unique insights into the microencapsulation process because you can dynamically monitor capsule formation over time.
  • Characterization of dry active pharmaceutical ingredients (API’s), fillers, and excipients
  • Characterization of dry and rehydrated lyophilized particulates

 

Protein Therapeutics:

Many reports have shown the impact that aggregates and other particles have on the efficacy, safety, and immunogenicity of protein therapeutics.

FDA regulations strongly recommend in-depth characterization of sub-visible particles in protein therapeutics. New recommendations are specifically targeted at the characterization of sub-visible particles in the 2 to 10 µm range.

Protein_Aggregates

Protein Aggregates

Protein-Aggregates-and-Silicone-drops

Protein Aggregates and Silicone Drops

 

Pharmaceutical Application Examples:

Dry Powder Analysis

While designed for the analysis of particulates in fluids, the FlowCAM  is also very useful for analysis of particulates that are dry in their native state.  Simply suspend the dry particles in any liquid that is inert to the particles under study. There are many benefits to using this approach compared to traditional dry particle analysis method because the effects of static electricity on the particles is eliminated.  Plus any gravitational effects found in dry analyzers are eliminated. In the example below, is a comparison between two samples of resuspended sorbitol powder, of different homogeneity and quality.

Sorbitol-sample_S_overview

Sorbitol Powder Sample #1

sorbitol_sample_R_overview

Sorbitol Powder Sample #2

 

Characterization of the Microencapsulation Process

Microencapsulation is a  process where a small amount of a substance (active ingredient) is packaged inside a second substance in order to shield the active ingredient from the surrounding environment.  Microencapsulation processes are increasingly being used in the pharmaceutical industry, as they offer many benefits, including:

  • Keeping active pharmaceutical ingredients (APIs) active and stable, which can lead to a longer shelf life
  • Ability to release on demand for more targeted drug delivery
  • Lower dose requirements
  • Masking odors and tastes in oral delivered medicines
  • Potential reduction in side-effects

 

Microencapsules

Microencapsulation

 

 

 

 

 

 

 

 

 

 

 

 

 

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