Raising $94 million in a series A round, South San Francisco-based Firefly Bio Inc. has emerged from stealth to advance its Firelink linker platform technology to develop degrader-antibody conjugates (DACs) to treat cancer. A combination of antibody-drug conjugates (ADCs) and targeted protein degradation therapies, DACs are a new class of medicines that have recently gained attention for their ability to replace toxic ADC payloads and to eliminate cancer-driven proteins.
Shares of Corbus Pharmaceuticals Inc. (NASDAQ:CRBP) doubled on opening Jan. 26 and ended the day up a whopping 249% as investors got a look at data from a first-in-human study testing next-generation Nectin-4-targeted antibody-drug conjugate (ADC) CRB-701. Licensed from CSPC Pharmaceutical Group for $7.5 million up front in February 2023, CRB-701 has IND clearance from the U.S. FDA, and Corbus plans to start its own clinical testing in the first quarter of 2024.
Biontech SE and Duality Biologics Co. Ltd. have progressed BNT-323/DB-1303 to pivotal phase III trials, beginning in China in patients with hormone receptor-positive and HER2-low metastatic breast cancer.
What had been viewed as a major catalyst for Gilead Sciences Inc. going into 2024 turned into a disappointment on the stock market, as antibody-drug conjugate Trodelvy (sacituzumab govitecan) failed to meet the overall survival primary endpoint in the phase III Evoke-01 study in previously treated metastatic non-small-cell lung cancer (NSCLC).
The landscape of biopharma deals and M&As has seen a transformative shift, with a year-over-year drop in transaction numbers while value has increased. Overall, biopharma deals saw an uptick in value of nearly 6%, and biopharma M&As concurrently soared 80% higher in value than the previous year.
Korean confectionary company Orion Holdings Inc. is growing its biotech presence by purchasing a majority stake of 25% in one of the hottest Korean antibody-drug conjugate developers, Legochem Biosciences Inc., although stocks dropped on the news. Under the contract announced Jan. 15, Seoul-headquartered Orion agreed to acquire a 25.73% stake in Daejeon-based Legochem by securing about 9.36 million shares for a total of ₩548.7 billion (US$412.11 million) by the deadline of March 29, 2024.
While the value of partnerships and collaborations have climbed mostly upward in recent years, the most impressive increase has been seen with deals that are worth $1 billion or more – led in 2023 with a $22 billion antibody-drug conjugate pact between Daiichi Sankyo Co. Ltd. and Merck & Co. Inc.
Major contract research development and manufacturing organizations (CDMO) out of Asia are announcing plans to ramp up production and antibody-drug conjugate (ADC) capabilities worldwide.
The zeal for antibody-drug conjugates (ADCs), a prominent focus for dealmaking in 2023, shows no signs of waning, as Johnson & Johnson greeted attendees of the J.P. Morgan Healthcare Conference (JPM) with news of its $2 billion buyout of Ambrx Biopharma Inc., picking up rights to an ADC platform along with a promising candidate targeting advanced prostate cancer. Under the terms, J&J agreed to acquire all outstanding shares of San Diego-based Ambrx for $28 apiece, marketing a 105% premium to the firm’s Jan. 5 closing price. Unsurprisingly, Ambrx’s stock (NASDAQ:AMAM) gained 101.5% to close Jan. 8 at $27.47.
Three months out from its first $1 billion deal with Biontech SE for an antibody-drug conjugate (ADC), Suzhou, China-based Medilink Therapeutics Co. Ltd. clinched another potential $1 billion ADC deal, but this time with Roche Holding AG.