Assembly Biosciences Announces First Patient Dosed with ABI-M201 in Phase 1b Clinical Trial for Mildly to Moderately Active Ulcerative Colitis

  • First oral microbiome biologic drug candidate from Assembly’s novel microbiome platform to enter clinical trials in patients
  • ABI-M201 utilizes Assembly’s proprietary and patented Gemicel® capsule-in-capsule delivery system for targeted delivery into the GI tract

SAN FRANCISCO, CA, USA I June 27, 2019 I Assembly Biosciences, Inc. (NASDAQ: ASMB), a clinical-stage biotechnology company developing innovative therapeutics targeting hepatitis B virus (HBV) and diseases associated with the microbiome, today announced the initiation of dosing in a Phase 1b clinical trial to evaluate ABI-M201 (M201) in patients with mildly to moderately active ulcerative colitis (UC).

M201 is Assembly’s first investigational oral live biotherapeutic product (LBP) to enter into clinical development, as part of its gastrointestinal (GI) focused collaboration with Allergan. M201 is comprised of a rationally designed consortium of commensal bacteria that were selected based on ability to modulate ulcerative colitis-relevant cellular mechanisms in human cell-based assays and animal models. M201 is orally administered utilizing Assembly’s Gemicel® capsule-in-capsule delivery system, designed for targeted delivery into the GI tract.

“We are excited to be collaborating with Assembly on these programs and are pleased to have the Phase 1b trial of M201 now underway in patients with ulcerative colitis,” said David Nicholson, EVP and Chief R&D Officer of Allergan. “We believe Assembly’s strategy for developing innovative, oral, gastrointestinal therapies manufactured to rigorous quality standards that utilize targeted GI delivery is differentiated from other approaches in the microbiome field and offers significant potential for patients.”

The Phase 1b clinical trial is double-blind, placebo-controlled and designed to evaluate the safety and efficacy of M201 administered once daily for eight weeks, in approximately 44 patients with mildly to moderately active UC. Study participants will be enrolled into two sequential non-overlapping cohorts, to evaluate up to two active dose levels. While the primary objective of the study is to assess the safety and tolerability of M201, key efficacy measurements will include clinical remission and endoscopic improvement.

“We are very pleased with our rapid progress towards clinical evaluation of M201 and excited to explore the potential of this oral live microbial biotherapeutic because, despite the availability of treatments, there remains a significant need to improve outcomes for patients with ulcerative colitis,” stated Jackie Papkoff, Ph.D., Assembly’s SVP, Chief Scientific Officer Microbiome. “Assembly has a strong platform combining scientific rigor, reproducible and scalable GMP manufacturing processes along with a novel drug delivery system all of which enable discovery and rapid advancement of next-generation oral live microbial biotherapeutics for many diseases based on the human microbiome.”

About Assembly’s Microbiome Platform
From concept to clinic, Assembly has developed an integrated live biotherapeutic product (LBP) program from discovery through manufacturing and ultimately into the clinic that features an in-house bacterial strain inventory, creating a broad-based platform that is capable of addressing multiple therapeutic indications. Individual bacteria and consortia are selected for development based on a platform of in silico, in vitro and in vivo capabilities. The biologic drug candidates are manufactured under scalable GMP conditions. Assembly’s in-house, end-to-end capabilities also include its licensed patented Gemicel® capsule-in-capsule delivery system designed for targeted dual release oral delivery to the gastrointestinal tract (GI).

In January 2017, Assembly entered into a Research Development Collaboration and License Agreement with Allergan with potential development and commercial milestones of up to $2.8 billion to jointly develop LBP compounds for Ulcerative colitis (UC), Crohn’s Disease and Irritable Bowel Syndromes. ABI-M201, the first LBP candidate under this collaboration, is being evaluated in a Phase 1b clinical trial in patients with mildly to moderately active UC. Assembly’s discovery and development capabilities and manufacturing expertise also are being leveraged to advance new proprietary candidates for other disease indications.

About Assembly Biosciences
Assembly Biosciences, Inc. is a clinical-stage biotechnology company developing innovative therapeutics targeting hepatitis B virus (HBV) and diseases associated with the microbiome. The HBV program is focused on advancing a new class of potent, oral core inhibitors that have the potential to increase cure rates for chronically infected patients. The microbiome program is developing novel oral live microbial biotherapeutic candidates with Assembly’s fully integrated platform, including a robust process for strain identification and selection, GMP banking and production, and targeted delivery to the lower gastrointestinal tract with the GEMICEL® technology. For more information, visit assemblybio.com.

SOURCE: Assembly Biosciences

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