AnaptysBio Initiates Multiple Ascending Dose Cohorts In ANB020 Phase 1 Clinical Trial

SAN DIEGO, July 6, 2016 /PRNewswire/ -- AnaptysBio, Inc., a clinical-stage biotechnology company developing first-in-class antibody product candidates focused on unmet medical needs in inflammation and immuno-oncology, today announced the initiation of multiple ascending dose cohorts in an on-going double-blind, placebo-controlled healthy volunteer Phase 1 study of its proprietary anti-interleukin-33 antibody (ANB020). 

AnaptysBio Leader in SHM for Antibody Therapeutics  www.anaptysbio.com . (PRNewsFoto/AnaptysBio, Inc.)

During an earlier segment of the aforementioned Phase 1 study, AnaptysBio conducted safety, tolerability, pharmacokinetic and pharmacodynamic assessment of ANB020 in healthy volunteer cohorts administered with single doses of the antibody.  Data generated from single dose cohorts was reviewed by regulatory authorities in Australia prior to the initiation of multiple ascending dose testing.  

ANB020 is a potent inhibitor of interleukin-33 (IL-33) developed by AnaptysBio using its proprietary SHM-XEL antibody discovery platform.  IL-33 is a pro-inflammatory cytokine that multiple studies have indicated is a central mediator of atopic diseases, including atopic dermatitis, food allergies and asthma.  Since ANB020 acts upstream of IL-4, IL-5 and IL-13, AnaptysBio believes ANB020's IL-33 inhibitory mechanism has potential advantages in human therapy over agents that block only a subset of the cytokines responsible for atopic diseases. In addition, published human genetic analyses have linked down-modulation of IL-33 signaling with protection from asthma.

AnaptysBio plans to conduct future clinical development of ANB020 in patients with atopic dermatitis, peanut allergy and asthma. 

"We are pleased to continue clinical development of ANB020, which to our knowledge is the first anti-IL-33 antibody to be tested in humans," said Hamza Suria, President & CEO of AnaptysBio.  "ANB020 is a potential therapeutic option for patients suffering from debilitating IL-33 mediated atopic disorders. We look forward to initiating proof-of-concept patient studies later this year."

About AnaptysBio

AnaptysBio is a clinical-stage biotechnology company developing first-in-class antibody product candidates focused on unmet medical needs in inflammation and immuno-oncology.  The Company's proprietary anti-inflammatory pipeline includes its anti-IL-33 antibody (ANB020) for the treatment of atopic dermatitis, asthma and peanut allergy, its anti-IL-36R antibody (ANB019) for the treatment of generalized pustular psoriasis and palmo-plantar pustulosis, and a portfolio of checkpoint agonist antibodies for the treatment of severe T-cell driven inflammatory conditions. AnaptysBio's antibody pipeline has been developed using its proprietary SHM-XEL platform, which has pioneered the use of in vitro somatic hypermutation for antibody discovery and is designed to replicate key features of the human immune system to overcome the limitations of prior antibody technologies.  AnaptysBio has also developed multiple therapeutic antibodies in partnership with Celgene and TESARO, including an anti-PD-1 antibody (TSR-042) currently under clinical development.   

Contacts:

Julie Rathbun
Rathbun Communications
julie@rathbuncomm.com
206-769-9219

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SOURCE AnaptysBio, Inc.

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