Newco Elkedonia SAS has raised €11 million (US$12.7 million) in a seed round, which will fund it to take a potentially first-in-class ELK-1 inhibitor into the clinic in the treatment of refractory depression. ELK-1 plays a pivotal role in neuroplasticity and in reward circuits in the brain, which when disrupted can lead to depression, addiction and post-traumatic stress disorder.

Mosanna Therapeutics secured $80 million in a series A round to develop MOS-118 as a treatment for the nearly 1 billion people globally with obstructive sleep apnea (OSA). The company has completed the formulation work to make the drug into a nasal spray and the initial proof-of-concept animal studies and is now ready to enter clinical trials in patients with OSA.

Three months after dosing the first patient with its dual vector gene therapy, Splicebio SL has closed a $135 million series B to fund the phase I/II trial of SB-007 in the treatment of Stargardt’s disease to completion. Other adeno-associated viru gene therapies for the inherited retinal disorder have entered the clinic, but SB-007 is the first with the capacity to deliver a full version of the ABCA4 gene that underlies Stargardt’s.

Biopharma financings totaled $21.38 billion through May 2025, down sharply from $62.57 billion during the same period in 2024, but roughly in line with levels seen in 2023 and 2022. Biopharma companies raised $5.55 billion in May, more than doubling the $2.4 billion raised in April.

As it advances its nonopioid analgesic ATX-101 breakthrough therapy through a phase IIb registration trial, Allay Therapeutics secured $57.5 million in a series D round, which included an investment from the company’s Japanese partner. ATX-101, a configuration of sodium ion channel blocker bupivacaine and a biopolymer, which is in a phase IIb registration study, is designed to offer pain relief following total knee arthroplasty.