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BioWorld - Saturday, April 25, 2026
Home » Authors » Karen Carey

Articles by Karen Carey

ROI meter
Analysis

Low sales, safety concerns doom biopharma’s ROI for mega-M&As

Feb. 6, 2025
By Karen Carey
BioWorld’s three-part analysis of M&As sought to discover successful transactions and to understand the trend of multibillion-dollar deals that have become commonplace in the last decade. Instead, more than 80% of the acquisitions explored simply indicate that buyers are paying too much, suggesting that transactions meant to restore pipelines and revenues with innovative and marketed products are sometimes akin to high-stakes gambling. In part three, the final part of this series, we examine four more disappointments in which the return on investment (ROI) remains well behind the price paid in acquiring the company.
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Golden dollar coins
Analysis

Few biopharma mega-mergers hit the jackpot

Feb. 5, 2025
By Karen Carey
Due diligence plays a significant role in M&A transactions, but the eventual return on investments don’t always add up to the purchase price. While some companies such as Abbvie Inc. and Bristol Myers Squibb Co. – as shown in part one of this three-part series – have succeeded in acquiring products able to surpass M&A sticker prices, the vast majority of deals analyzed by BioWorld showed that most buyers remain significantly in the red.
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Hand pointing at digital M&A screen
Analysis

A biopharma M&A scorecard: Some wins, lots of losses

Feb. 4, 2025
By Karen Carey
As the number of mega-mergers have increased in recent years, and the purchase price of innovative companies rises, it is apparent that many lucrative buyouts fail to meet expectations, although a few outperform from time to time.
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Cargo stops firi-cel phase II on safety, durability; stock sinks

Jan. 30, 2025
By Karen Carey
In a devastating blow to the company and large B-cell lymphoma patients relapsed or refractory to CD19 CAR T-cell therapy, Cargo Therapeutics Inc. terminated the phase II study of its lead CD22 cell therapy, firicabtagene autoleucel (firi-cel), and is cutting its workforce by 50% and evaluating strategic options, following disappointing data on durability of response and serious safety events, some of which were fatal.
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Study shows weight loss reduces spending; should GLP-1s be covered?

Jan. 23, 2025
By Karen Carey
A study published in Jama Network Open in December indicated a direct correlation between adult weight loss and reduced health care spending, suggesting that current glucagon-like peptide-1 receptor agonists (GLP-1RAs) should be reimbursed by Medicare and employer insurances for obesity and overweight conditions.
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One dice with a green checkmark, red X and gray question mark.

Sage lawsuit enforces standstill as board evaluates Biogen offer

Jan. 21, 2025
By Karen Carey
A series of disappointments that drove Sage Therapeutics Inc.’s stock down by 85% since August of 2023 has evolved into an unsolicited takeout offer by partner Biogen Inc., followed by a lawsuit filed by Sage a week later. The two parties, both of Cambridge, Mass., first partnered in a $1.52 billion deal in 2020, primarily to develop Zurzuvae (zuranolone) for depression. The deal included Biogen taking a 10.2% equity stake in Sage, paying $104.14 per share, or $650 million total.
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Dollar sign inside vial, syringe

CMS’ price negotiations take two: Ozempic, Xtandi among 15 drugs chosen

Jan. 17, 2025
By Karen Carey
In the final days of the Biden administration, the U.S. Department of Health and Human Services’ Centers for Medicare and Medicaid Services (CMS) laid out the latest 15 drugs that are subject to negotiated prices, with Novo Nordisk A/S’ GLP-1 drug Ozempic for type 2 diabetes topping the list, bringing Rybelsus and Wegovy along for the ride because they share the same active ingredient, semaglutide.
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Illustration of Epstein-Barr virus particles

Atara sinks on Ebvallo CRL, seeks strategic alternatives

Jan. 16, 2025
By Karen Carey
Atara Biotherapeutics Inc. received a complete response letter (CRL) from the U.S. FDA for its lead product, Ebvallo (tabelecleucel), a breakthrough therapy for Epstein-Barr virus positive post-transplant lymphoproliferative disease that is already approved in the EU, the U.K. and Switzerland.
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Regenxbio, Nippon Shinyaku in $810M deal for Hunter and Hurler gene therapies

Jan. 14, 2025
By Karen Carey
In a deal potentially worth $810 million for Regenxbio Inc., Nippon Shinyaku Co. Ltd. is partnering on the U.S. and Asian development and commercialization of iduronate-2-sulfatase enzyme RGX-121 for Hunter syndrome and RGX-111 for Hurler syndrome.
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Phio flies on complete responses in phase I skin cancer trial

Jan. 13, 2025
By Karen Carey
Shares of Phio Pharmaceuticals Corp. soared 291% Jan. 13 on news that two patients with cutaneous squamous cell carcinoma had a complete response following treatment with the company’s Intasyl siRNA gene silencing candidate PH-762.
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