Following up on the $175 million it raised in September 2023, Avalyn Pharma Inc. secured an additional $100 million in an oversubscribed series D financing round to support development of its inhaled treatments for pulmonary fibrosis.

Respiratory vaccines specialist Vicebio Ltd. is to be acquired by Sanofi SA in a $1.6 billion deal, of which $1.15 billion will be paid up front. The acquisition rests on an ongoing phase I trial of the lead asset, VXB-241, a bivalent vaccine that is intended to provide protection against both respiratory syncytial virus and metapneumovirus. The interim analysis of the study showed a favorable safety and tolerability profile in adults, ages 60 and older, and validated the underlying vaccine technology, which is applicable to a wide range of respiratory viruses.

We all look different to HIV, a virus that destroys the immune system. The defensive cells record every interaction with foreign agents, infections from viruses and bacteria, but also with mechanisms occurring within the body, such as microbiome metabolism, the effects of aging, or the development of diseases. At a preconference session at the 13th IAS Conference on HIV Science (IAS 2025), scientists explained the interactions of different microorganisms with HIV.

The fate of IL-33-targeting astegolimab will be determined by talks with regulators, after Roche AG’s Genentech unit rolled out mixed results from a pair of studies testing the compound vs. placebo on top of standard-of-care (SOC) maintenance therapy in subjects with moderate to very severe chronic obstructive pulmonary disease (COPD).

In the second largest M&A deal of the year, Merck & Co. Inc. has strengthened its cardiopulmonary portfolio with the $10 billion acquisition of London-based Verona Pharma plc. The deal brings Merck Ohtuvayre (ensifentrine) for chronic obstructive pulmonary disease.

Puretech Health plc’s rollout May 20 of more phase IIb data with deupirfenidone (LYT-100) in idiopathic pulmonary fibrosis (IPF) perked optimism for that compound – a deuterated form of p38 MAP kinase inhibitor pirfenidone – as well as others in the busy therapeutic space.

An experimental drug for treating diabetes and obesity has been shown to lower blood sugar levels and increase fat burning. It is a β2-adrenergic receptor (β2AR) agonist that mimics the effects of physical exercise by activating skeletal muscle metabolism. Unlike GLP-1-based treatments such as semaglutide and tirzepatide, this new compound, developed by researchers at the Karolinska Institute, Stockholm University, and the biotech company Atrogi AB, does not suppress appetite or cause muscle loss. 

3Sbio Inc. reported interim phase II study results of its PD-1/VEGF bispecific antibody, SSGJ-707 – a “fabulous” asset, according to Pfizer Inc. CEO Albert Bourla, that landed in Pfizer’s cancer arsenal via a potential $6 billion deal in May, of which $1.2 billion was paid up front.

Insmed Inc.’s chair and CEO, Will Lewis, called the phase IIb trial of TPIP in pulmonary arterial hypertension a “clear and unequivocal success,” with analysts and investors wholeheartedly agreeing, as the company’s shares surged 28.7% June 10.