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Free Light Chains (FLC)

The next generation Free Light Chain Assay.

About FLC

  • Free Light Chains (FLCs) are immunoglobulin light chains which are circulating in serum in a free state (unbound). There are two types of immunoglobulin light chain produced in humans, designated kappa (κ) and lambda (λ).
  • The quantification of serum FLC is used as an aid in the diagnosis and monitoring patients with Multiple Myeloma and AL amyloidosis.
  • Ratio FLC value (kappa FLC/lambda FLC) compared to reference ranges may indicate presence of plasma cell disorders disease like Multiple Myeloma or AL amyloidosis in a patient.
  • Nephelometric and turbidimetric based assays have been shown to overestimate the sFLC levels that are not always consistent with Serum Protein Electrophoresis/Immunofixation and other clinical parameters.
Multiple Free Light Chains, FLC.

Pathologies associées

Technologies utilisées

Key benefits

A trusted and cost-effective FLC solution with strong, proven performance, delivering highly reliable results essential across the entire multiple myeloma patient journey.

  • Reliable and high analytical performance results

    with correct estimation of FLC values without antigen excess or overestimation by polymerization vs Nephelometry / Turbidimetry Methods.

  • Trust in the results

    with concordance between SPE and FLC Kappa and Lambda, providing added confidence and supporting accurate interpretation.

  • Follow IMWG guidelines

    ">20" and ">=100" FLC ratio cut-points can be applied with Sebia FLC assays, for supporting appropriate patient management and easier implementation in the laboratory.

  • 4 times lower retest rates

    vs other methods and lower manual dilutions needed.

  • Easily adapted and scalable

    to any type of ELISA Instrument for standardization and efficiency process.

  • Clinical performance

    96.8% concordance based on the IMWG Criteria for the Diagnosis of MM

Main characteristics

Test principle

Quantification of Kappa or Lambda Free Light Chains is performed with an Enzyme-Linked Immunosorbent Assay (ELISA) procedure utilizing specific antibodies anti-Kappa or anti-Lambda free light chains.

Sample type

Serum

Product details

Microplate with 96 wells in strip format.

  • FLC Kappa – P/N: 5102
  • FLC Lambda – P/N: 5103
  • FLC Control Level 1 – P/N: 5112
  • FLC Control Level 2 – P/N: 5113

Knowledge & Science

FLC test can be performed on the following instrument

Tests related to FLC

Cette section contient des informations destinées à une large diffusion et peut donc comporter des détails sur des produits ou des informations qui ne sont pas disponibles ou valables dans votre pays. Veuillez contacter votre représentant Sebia local. Informations destinées aux professionnels de santé. Lisez attentivement les instructions figurant dans les notices des réactifs et les manuels d'utilisation des instruments.