TAbS







Bezlotoxumab Approved Naked monospecific

Antibody Information

Entry ID 100
INN Bezlotoxumab
Status Approved
Drug code(s) MDX-1388
Brand name Zinplava
mAb sequence source mAb human
General Molecular Category Naked monospecific
Format, general category Full length Ab
Format details None
Isotype (Fc) IgG1
Light chain isotype kappa
Linker None
Ave. DAR None
Conjugated/fused moiety None
Discovery method/technology Transgenic mouse (GenPharm/Medarex/BMS transgenic mouse platform Ultimab)

Therapeutic information

Target(s) C. difficile (enterotoxin B)
Indications of clinical studies Clostridium Difficile Infection
Primary therapeutic area Infectious diseases

Development stage information


Most advanced stage of development (global) Approved EU, US, Japan
Status Active
Start of clinical phase (IND filing or first Phase 1) December 15, 2005
Start of Phase 2
Start of Phase 3 October 15, 2011
Date BLA/NDA submitted to FDA November 23, 2015
Year of first approval (global) 2016
Date of first US approval October 21, 2016
INN, US product name Bezlotoxumab
US or EU approved indications Reduce recurrence of Clostridium difficile infection (CDI) in patients 18 years of age or older who are receiving antibacterial drug treatment of CDI and are at a high risk for CDI recurrence.

Company information

Company Bristol-Myers Squibb
Licensee/Partner Merck
Comments about company or candidate PDUFA date Oct 23 2016; priority review by FDA; Phase 3 studies of monotherapy or bezlotoxumab+actoxumab demonstrated that the combination did not provide added efficacy over bezlotoxumab alone
Full address of company Route 206 & Province Line Road Princeton, New Jersey 08543
North America
United States of America
https://www.bms.com/about-us/contact-us.html

Description/comment

None

Additional information

Anticipated events None
Factor(s) contributing to discontinuation None