Atacicept

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Atacicept
Mass / length primary structure approx. 71 kDa
Identifier
External IDs
Drug information
ATC code L04 AB
Drug class Immunosuppressants

Atacicept is an experimental drug being developed to treat autoimmune diseases. Atacicept is a recombinantly produced fusion protein and binds the inflammation- causing cytokines BAFF and APRIL , which regulate the maturation and survival of B-lymphocytes .

structure

Atacicept (other name: TACI-Ig) consists of the extracellular part of the TACI receptor (TACI, an abbreviation for Transmembrane Activator and CAML-interactor ) that is linked to the Fc fragment of human immunoglobulin G. Atacicept has a molar mass of approximately 71 k Da .

Mechanism of action

The TACI receptor is located on the B lymphocytes ( short : B cells). Certain cytokines, namely BAFF ( B cell activating factor ) and APRIL ( A Proliferation-Inducing Ligand ) bind to the TACI receptors and promote the maturation, development and survival of the B lymphocytes. Atacicept binds BAFF and APRIL so that they can no longer act on the B lymphocytes. B-lymphocytes are involved in the development of certain autoimmune diseases through the formation of autoantibodies .

Atacicept is not approved, but is currently being investigated in studies for various autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis . Developments for multiple sclerosis and optic neuritis were discontinued after increased disease activity was observed in a phase II study.

literature

Web links

Individual evidence

  1. a b ABDA drugs. Database at DIMDI .
  2. Recommended INN: List 57 . In: WHO Drug Information , Vol. 21 (2007) No. 1, p. 58.
  3. ^ Susanne Heinzl: New Antibodies and Peroralia in Sight . In: Pharmazeutische Zeitung , No. 25, 2009, pharmische-zeitung.de
  4. Zymogenetics says Merck Serono discontinues MS trials . Reuters, August 28, 2009; Retrieved October 10, 2010.