Tralokinumab

Tralokinumab

Monoclonal antibody
Type	Whole antibody
Source	Human
Target	IL13
Identifiers
CAS Number	1044515-88-9 N
ATC code	none
Chemical data
Formula	C6374H9822N1698O2014S44
Molecular mass	143.87 kg/mol
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Tralokinumab is a human monoclonal antibody which targets the cytokine interleukin 13, and is designed for the treatment of asthma and other inflammatory diseases. Tralokinumab was discovered by Cambridge Antibody Technology scientists, using Ribosome Display, as CAT-354 and taken through pre-clinical and early clinical development. After 2007 it has been developed by MedImmune, a member of the AstraZeneca group, where it is currently in Ph3 testing for asthma and Ph2b testing for atopic dermatitis. This makes it one of the few fully internally discovered and developed drug candidates in AstraZeneca's late stage development pipeline.

Discovery and Development

Tralokinumab (CAT-354) was discovered by Cambridge Antibody Technology scientists using protein optimization based on Ribosome Display. They used the extensive data sets from ribosome display to patent protect CAT-354 in a world-first of sequence-activity-relationship claims. In 2004, clinical development of CAT-354 was initiated with this first study completing in 2005. On 21 July 2011, MedImmune LLC initiated a Ph2b, randomized, double-blind study to evaluate the efficacy of tralokinumab in adults with asthma.

As of 2016, MedImmune and AstraZeneca are developing tralokinumab for asthma (Ph3) and atopic dermatitis (Ph2b) while clinical development for moderate-to-severe ulcerative colitis and idiopathic pulmonary fibrosis (IPF) have been discontinued.