Quantifying the thrombogenic potential of human plasma-derived immunoglobulin products

W. A. Germishuizen, D. C. Gyure, D. Stubbings, T. Burnouf

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Polyvalent immunoglobulin G (IgG) products obtained by fractionation of human plasma are used to treat a broad range of conditions, including immunodeficiency syndromes and autoimmune, inflammatory, and infectious diseases. Recent incidences of increased thromboembolic events (TEEs) associated with intravenous (IV) IgG (IVIG) led to recalls of some products and increased regulatory oversight of manufacturing processes in order to ensure that products are essentially free of procoagulant/thrombogenic plasma protein contaminants. Laboratory investigations have now identified activated factor XI (FXIa) as the likely causative agent of IVIG-related TEEs. Quantification of the thrombogenic potential is becoming a requirement made to fractionators (a) to validate the capacity of IVIG and subcutaneous IgG manufacturing processes to remove procoagulant contaminants and (b) to establish the safety of the final products. However, in the absence of a recommended test by the main regulatory authorities, several analytical approaches have been evaluated by fractionators, regulators, and university groups. This review focuses on the scientific rationale, merits, and applications of several analytical methods of quantifying the thrombogenic potential of IgG products and intermediates to meet the latest regulatory requirements.

Original languageEnglish
Pages (from-to)260-270
Number of pages11
JournalBiologicals
Volume42
Issue number5
DOIs
Publication statusPublished - Sep 1 2014

Fingerprint

Plasma (human)
Immunoglobulins
Immunoglobulin G
Impurities
Fractionation
Proteins
Plasmas
Factor XIa
Product Recalls and Withdrawals
Intravenous Immunoglobulins
Autoimmune Diseases
Communicable Diseases
Blood Proteins
Safety
Incidence

Keywords

  • FXIa
  • IVIG
  • Procoagulant
  • SCIG
  • Thrombosis

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Bioengineering
  • Immunology and Microbiology(all)
  • Pharmacology
  • Medicine(all)

Cite this

Quantifying the thrombogenic potential of human plasma-derived immunoglobulin products. / Germishuizen, W. A.; Gyure, D. C.; Stubbings, D.; Burnouf, T.

In: Biologicals, Vol. 42, No. 5, 01.09.2014, p. 260-270.

Research output: Contribution to journalArticle

Germishuizen, W. A. ; Gyure, D. C. ; Stubbings, D. ; Burnouf, T. / Quantifying the thrombogenic potential of human plasma-derived immunoglobulin products. In: Biologicals. 2014 ; Vol. 42, No. 5. pp. 260-270.
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