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BioWorld - Tuesday, May 26, 2026
Home » Topics » U.S., BioWorld

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Test tube and pH chart

Validity of Actelion patent hinges on temperature

May 15, 2026
By Mari Serebrov
No Comments
Temperature matters when determining pH levels. Whether that level should be measured at a standard room temperature or refrigerated matters even more, at least in Actelion Ltd.’s infringement litigation against Mylan Inc. According to Johnson & Johnson’s Actelion, the pH level in epoprostenol, the key ingredient in its hypertension drug Veletri, should be measured at a refrigerated temperature when it comes to Mylan’s generic formulation.
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Quarantine tape

Andes virus cases rise to 11; Hondius passengers in quarantine to June 21

May 14, 2026
By Nuala Moran
No Comments
The number of cases of hantavirus infection has risen from eight to 11, following the repatriation of passengers from the cruise ship MV Hondius, with World Health Organization (WHO) Director General Tedros Adhanom Ghebreyesus warning the danger is not over. “In fact, it has entered a new phase as the passengers and crew return home,” he told attendees of a meeting at WHO’s headquarters in Geneva on May 13.
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Patent gears

USPTO doubles down on inconsistencies in dual IPR-court action

May 14, 2026
By Mari Serebrov
No Comments
The U.S. Patent and Trademark Office (USPTO) is driving home its message that inter partes reviews (IPRs) are not to be used in conjunction with court action presenting “inconsistent positions” as a litigation strategy.
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Green arrow up red arrow down

Will FDA show Affinity for fast yes to Regenxbio in DMD?

May 14, 2026
By Randy Osborne
No Comments
How the U.S. FDA might view the latest Duchenne muscular dystrophy (DMD) phase III data with gene therapy RGX-202 became the question for Regenxbio Inc., shares of which  (NASDAQ:RGNX) closed May 14 at $6.25, down 38%, or $3.80, after the results were made public.
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Illustration of tau accumulating in a neuron cell.

Biogen AD drug shows tau, cognition benefit, despite trial miss

May 14, 2026
By Karen Carey
No Comments
Biogen Inc. has decided to advance diranersen (BIIB-080) into registrational trials for early Alzheimer’s disease, even though the antisense oligonucleotide therapy, originally discovered by Ionis Pharmaceuticals Inc., missed its phase II primary endpoint.
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Mantle cell lymphoma

Beone’s BCL2 drug Beqalzi wins FDA nod in mantle cell lymphoma

May 13, 2026
By Jennifer Boggs
No Comments
A few months after winning its first regulatory clearance in China, Beone Medicines Inc.’s next-generation BCL2 inhibitor, sonrotoclax, gained the U.S. FDA’s accelerated approval for use in patients with relapsed or refractory mantle cell lymphoma (MCL) following treatment with a BTK inhibitor. The therapy, branded Beqalzi, marks the first BCL2-targeting drug for MCL in the U.S., but the company has pointed to a bigger opportunity in the potential combination with blockbuster BTK drug Brukinsa (zanubrutinib).
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China and U.S. flags

Life sciences ‘sweet’ opportunity in US-China talks

May 13, 2026
By Mari Serebrov
No Comments
Of all the issues that could be on the table at the talks between U.S. President Donald Trump and China President Xi Jinping, the life sciences sector is the “sweet spot” for collaboration between the two countries in a way that would benefit the world, Sen. Thom Tillis, R-N.C., said in a Brookings Institution webinar in advance of the two-day summit that starts May 14.
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Martin Makary, former FDA-commissioner

Makary out at the FDA

May 12, 2026
By Mari Serebrov
No Comments
U.S. President Donald Trump ended days of rumors and speculation when he confirmed May 12 that Marty Makary is resigning as FDA commissioner. Speaking with reporters before heading off to China for a two-day summit, Trump wouldn’t comment on whether he or someone else asked Makary to step down. However, while calling Makary a “wonderful man” and a “great guy, who’s a friend of mine,” the president acknowledged that “he was having some difficulty” at the FDA.
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US map with arrows pointing inward

Commerce gives Rx companies 30 days to submit US onshoring plans

May 12, 2026
By Mari Serebrov
No Comments
Companies seeking a break in the soon-to-be-implemented U.S. Section 232 biopharma tariffs have 30 days to apply for a company-specific onshoring agreement with the Department of Commerce, according to the procedures the department laid out in a notice to be published in the May 13 Federal Register.
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Gold dollar sign inside gold cog

Coming through on Veppanu with back-loaded Rigel deal

May 12, 2026
By Randy Osborne
No Comments
Rigel Pharmaceuticals Inc. CEO Raul Rodriguez said breast cancer therapy Veppanu (vepdegestrant) could become his firm’s “largest product with the current label,” and other opportunities with the drug are lined up behind, albeit “still a bit early.”
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