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Orum Therapeutics Presents Preclinical Data at AACR 2022 Highlighting Novel Dual-Precision Targeted Protein Degrader, ORM-5029, Degrading GSPT1

2022年04月09日 AM02:00
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BOSTON & DAEJEON, South Korea

Orum Therapeutics, a private biotechnology company pioneering the development of tumor-directed targeted protein degraders (TPDs), today presented preclinical data for ORM-5029, a potential first-in-class TPD therapy for HER2-positive cancers, at the American Association for Cancer Research (“AACR”) Annual Meeting 2022. ORM-5029 is one of two lead programs from the company’s Antibody neoDegrader Conjugate (AnDC™) platform based on its Dual-Precision Targeted Protein Degradation (TPD²) approach.

ORM-5029 is designed to selectively deliver catalytic GSPT1 protein degraders to HER2-expressing tumor cells via antibody targeting. Orum developed a proprietary class of GSPT1 degrader molecules, paired them with a HER2-targeting antibody, pertuzumab, and screened numerous candidate conjugates to identify a molecule with the desired therapeutic profile. The data presented at AACR 2022 describes initial preclinical evaluation of potency, efficacy, and pharmacodynamic (PD) response of ORM-5029.

“Targeted protein degradation holds much therapeutic promise, but classic TPD approaches face clinical development hurdles, including optimizing potency, exposure, and tolerability,” said Peter U. Park, Ph.D., Chief Scientific Officer of Orum Therapeutics. “We believe that we can fulfill the promise of TPD by developing novel small molecule degraders combined with the precise cellular delivery mechanism of antibodies. Compared to either small molecule GSPT1 degraders or standard-of-care antibody drug conjugates, ORM-5029 exhibited superior in vitro and in vivo potency, robust efficacy in low-HER2 settings, and dose-dependent efficacy. These data provide compelling evidence to support our unique approach to targeted protein degradation and continue development of ORM-5029.”

Key data takeaways:

  • ORM-5029 displays robust efficacy both in vitro and in vivo compared to other small molecule GSPT1 degraders and approved antibody drug conjugates (ADCs)
  • ORM-5029 exhibits potent activity in HER2-low models both in vitro and in vivo
  • Dose-dependent efficacy of ORM-5029 correlates with robust and rapid PD modulation of tumor GSPT1 protein levels
  • Orum’s proprietary payload, SMol006, is a potent degrader with high selectivity for GSPT1 and is compatible with any ADC linker and conjugation technologies.

AACR 2022 is taking place both virtually and in-person at the Ernest N. Morial Convention Center in New Orleans from April 8-13. The poster presentation titled, “ORM-5029: A first-in-class targeted protein degradation therapy using antibody neodegrader conjugate (AnDC) for HER2-expressing breast cancer,” will be available for viewing to registered attendees from Friday, April 8, through Wednesday, July 13, on the AACR Annual Meeting 2022 website. The poster (abstract # 3933) will be presented in person on April 13 from 9:00 am to 12:30 pm in Session PO.ET06.06 – Emerging New Anticancer Agents in Exhibit Halls D-H, Poster Section 22, Poster Number 7.

The poster is available on request; please email us at contact@orumrx.com.

About Orum’s AnDC Platform

Orum’s Antibody neoDegrader Conjugate (AnDC™) platform uses the Company’s unique Dual-Precision Targeted Protein Degradation (TPD²™) approach to build novel targeted protein degraders (TPD) combined with the precise tumor cell delivery mechanisms of antibodies to generate innovative, first-in-class cell-specific TPD for the treatment of cancer. The company has developed new molecular glue degrader payloads to specifically degrade an intracellular target protein within cancer cells via the E3 ubiquitin ligase pathway. Conjugated to antibodies, neoDegraders are designed to be delivered specifically to cancer cells and degrade the intracellular target protein and cause tumor cell death.

About Orum Therapeutics

Orum Therapeutics is pioneering the development of tumor-directed targeted protein degraders by leveraging its TPD² approach to provide dual-precision, antibody-enabled targeted protein degraders for cell-specific delivery. The Company’s proprietary platforms generated using the TPD² approach include the Antibody neoDegrader Conjugate (AnDC) platform, which generates first-in-class antibody drug conjugates. The first therapeutic candidates from the AnDC platform are in development for the treatment of solid tumors and hematologic cancers. Orum is located in Boston, US and Daejeon, South Korea. For more information, visit www.orumrx.com.

Forward-Looking Statements

This press release contains forward-looking statements that are based on the current expectations and beliefs of Orum Therapeutics, Inc. (“Orum”). Statements in this release regarding matters that are not historical facts, including, but not limited to, statements relating to the potential for clinical efficacy, potency, and tolerability of ORM-5029; the development of other product candidates; the commercialization of product candidates; and the preferability of Orum products to others available are forward-looking statements. These forward-looking statements are based on management’s expectations and assumptions as of the date of this release and are subject to numerous risks and uncertainties, which could cause actual results to differ materially from those expressed or implied by such statements. These risks and uncertainties include, without limitation, the uncertain and continually changing impacts and expected duration of the COVID-19 pandemic; the uncertainty of success in research and development activities; risks related to clinical trials, including potential delays, safety issues, or negative results; competition from alternative therapies; the risk that Orum may not be able to maintain and enforce its intellectual property; the risk that product candidates may not be successfully commercialized or adopted; the availability of financing; and risks related to the recruitment and retention of key employees, fluctuating markets and economic conditions, health care reform, prices, and reimbursement rates. The forward-looking statements in this presentation speak only as of the date of this release, and Orum undertakes no obligation to update or revise any of the statements. Orum cautions investors not to place considerable reliance on the forward-looking statements contained in this release.

View source version on businesswire.com: https://www.businesswire.com/news/home/20220408005102/en/

CONTACT

Corporate: Kyuri Kim Ph.D., Senior Manager, Business Development, Orum Therapeutics, contact@orumrx.com

Media: Jessica Yingling, Ph.D., President, Little Dog Communications Inc., +1-858-344-8091, jessica@litldog.com

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