CELL-BASED AND POTENCY ASSAYS

CELL-BASED AND POTENCY ASSAYS

Kymos is an EMA and FDA-inspected CRO with broad expertise in cell-based neutralizing assays and potency assays. We are offering an inclusive range of GLP/GMP-certified bioanalytical and quality control services with cell-based assays (CBA). Our services target large biopharma innovators and small biotech R&D firms in need of cell-based GLP assessments of cellular immune response or GMP in vitro potency assays of their products. We can implement, validate and develop new cell-based neutralizing assays and potency assays from scratch or improve pre-existing ones. Our cellular laboratory is fitted with a Biosafety Level 2 cabinet (BSL2), CO2 incubator, flow cytometer and liquid nitrogen storage capabilities. We can work with primary, immortalized and commercial arrested cell lines as well as our client’s own cell banks. Our cell-based services can be grouped in two main categories:

GLP Cell-based neutralizing assays for biologics
GMP Cell-based potency assays for vaccines and other biologics

GLP Cell-based neutralizing assays for biologics

Neutralizing assays are offered as part of the immunogenicity full pack of GLP-certified bioanalytical services for biologics. In addition to determination of Anti-Drug Antibodies (ADA) against peptides, proteins or antibodies we are also able to assess drug function inhibition capabilities of the ADAs using specific CBAs. Our service portfolio includes specific neutralization assays for natural and recombinant toxins. Alternatively, these neutralization assays can also be performed by label-free methods for interaction and binding studies employing Surface Plasmon Resonance (SPR).

GMP Cell-based potency assays for vaccines and other biologics

We conduct GMP-certified CBAs for the estimation of the potency of biopharmaceuticals as an in vitro quality control substitute for in vivo animal testing. Potency assays methods are validated following ICH Q2 (R1) and transferred to the client or kept for routine quality control of batches under GMP. We can determine drug potency of multiple biologics and biosimilars. In the case of vaccines, ELISA tests based on relevant antigen determination or activity determination by competitive immunoassay are used. We manage recombinant, allergy and bacterial vaccines either inactivated or up to BSL2. Our full service includes the in-house production of polyclonal antibodies. Vaccine quality control involves:

  • Characterization of vaccine ingredients
    • Antigen characterization (FDA Guideline for Vaccines or related Products)
    • Adjuvant characterization (EMA Guideline on Adjuvants in Vaccines for Human Use)
    • Determination of preservatives and other excipients
  • Potency assay of vaccines
    • o Development of potency assays from scratch and validation
    • Method transfer to client or routine quality control
    • In vivo immunization in different species
    • Relevant antigen determination by immunoassay
    • Activity determination by competitive immunoassay
  • Characterization of In-House Reference Preparations (IHRP)
  • Stability studies of vaccines
  • Quality Control of batches
cell-based and potency assays
cell-based and potency assays
cell-based and potency assaysBSL2 testing room

Related Services to Cell-Based and Potency Assays

Microbiology

Laboratory including cleanroom with airlock technology and HEPA filters for testing of sterile and non-sterile APIs and drug products.

Quality Control of Small Molecules

Analytical tests for APIs, excipients, intermediate products, finished products, packaging materials and process environment samples.

Batch Testing and Batch Release

KYMOS and PHARMAPROGRESS are GMP certified and we have a partial manufacturer authorization for Quality Control purposes.

Method Development, Validation and Transfer

Development and validation of analytical methods for excipients, APIs, intermediate products and finished products.

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