On June 14, 2022 Dren Bio, Inc. ("Dren Bio" or the "Company") reported the completion of their $65 million Series B financing, pushing the Company’s total capital received to date over $156 million (Press release, Dren Bio, JUN 14, 2022, View Source [SID1234615961]). Following the financing, Dren Bio is well-capitalized to reach multiple key inflection points across both its drug discovery programs over the coming years.

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"We are truly grateful for all the support we continue to receive from such an outstanding syndicate of investors," said Nenad Tomasevic, Ph.D., Chief Executive Officer of Dren Bio. "This financing comes at the perfect time as we prepare to initiate the first clinical trial evaluating DR-01, our lead asset, in patients with Large Granular Lymphocytic leukemia or cytotoxic lymphomas in mid-2022. In addition to advancing DR-01, the proceeds from this latest round will also enable us to further expand the development of our internal pipeline using our proprietary Targeted Myeloid Engager and Phagocytosis Platform."

The Series B financing was co-led by Aisling Capital and HBM Healthcare Investments, with participation by new marquee investors Pfizer, ArrowMark Partners and Revelation Partners. There was also significant participation in the round by Dren Bio’s existing insiders SR One, 8VC, Taiho Ventures, BVF Partners, Mission BioCapital and Alexandria Venture Investments, amongst others. In connection with the closing of the financing, the Company announced that Andrew Schiff, M.D., of Aisling Capital, and Chandra P. Leo, M.D., of HBM Partners, will join its Board of Directors.

"We were thoroughly impressed by Dren Bio’s diversified R&D portfolio that encompasses two distinct therapeutic antibody programs including their attractive proprietary platform," said Dr. Schiff, Managing Partner at Aisling Capital. "We are excited by the opportunity to support Dren Bio in progressing on their mission to deliver revolutionary therapies to patients with severe unmet needs, starting with difficult-to-treat cancers."

Dr. Leo, of HBM Partners, added, "Over the last 18 months, Dren Bio has delivered robust preclinical data for their lead asset DR-01 and for their unique technology to induce myeloid cell engagement and phagocytosis. With this new financing, the Company is well positioned to rapidly advance DR-01 towards clinical proof-of-concept and to demonstrate the broad potential of their highly differentiated platform."

Proceeds from the financing will enable Dren Bio to continue advancement of its broad internal pipeline comprised of multiple development candidates approaching the clinic. The Company’s lead asset, DR-01, is designed to precisely eliminate a subset of immune cells which are the underlying cause of certain hematologic malignancies and well-defined autoimmune disorders, both of which will be evaluated using its current funding. Dren Bio’s position as an emerging leader in the antibody therapeutics space is further strengthened by the exceptional prospects of its Targeted Myeloid Engager and Phagocytosis Platform. Bispecific antibodies generated using the proprietary platform have been shown to produce effects that are well-differentiated from other competing technologies including T cell engagers, antibody-dependent cellular cytotoxicity ("ADCC") antibodies and antibody-drug conjugates. In addition to their profound and multi-pronged mechanism of action, initial development candidates have been very well tolerated in non-human primates, which should enable their utilization in both oncology and non-oncology indications. With its current funding, Dren Bio now has the opportunity to demonstrate the vast potential of its platform to produce therapies for a wide array of patients.