Pfizer Australia Holdings Pty Ltd. has made an offer to acquire digital health company Resapp Health Ltd. in all cash offer worth AU$100 million (US$74.25 million). The two companies have entered into a binding scheme that is contingent upon shareholder agreement and regulatory clearances in Australia. Shareholders will vote on the proposed acquisition in June, and directors have unanimously recommended that shareholders vote in favor of the acquisition.

AN2 Therapeutics Inc., a company developing a once-daily treatment for people with chronic non-tuberculous mycobacterial lung disease, raised $69 million in an upsized IPO. The offering of 4.6 million shares (NASDAQ:ANTX), initially priced at $15 each, met a modest market reception, with shares rising to $15.40 by market close on March 25. The Menlo Park, Calif.-based company is developing epetraborole, a boron-containing small-molecule inhibitor of bacterial leucyl-tRNA synthetase, in-licensed from Anacor Pharmaceuticals Inc., now part of Pfizer Inc.

Murrysville, Pa.-based Philips Respironics Inc. has had its share of troubles with its devices for respiratory use, including several CPAP machines. The FDA reported March 21 that the company’s V60 and V60 Plus respirators are now the subjects of a class I recall due to the use of an expired adhesive that could ultimately lead to a shut-down of the devices, including instances in which the shut-down would not be accompanied by an alarm.

Clinical researchers from Karl Landsteiner University in Krems, Austria, have been conducting a prospective study of a new diagnostic technique for bronchoscopy tissue sampling aimed at patients with unclear diffuse parenchymal disease. They have assessed morbidity and 30-day and 90-day mortality following transbronchial lung cryobiopsy. The team recently published their findings in Therapeutic Advances in Respiratory Disease.

Royal Philips NV has been handed a health care policy order requiring it to recall and replace 277,500 defective respiratory therapy devices in France within four months. Twelve ranges of respiratory device for patients who depend on mechanical breathing assistance as well as continuous positive airway pressure devices used to treat sleep apnea, have been affected by a design issue.

While full details of the underlying science are due to be published in a peer reviewed journal, Kither Biotech Srl has announced its closure of an €18.5 million (US$20.4 million) series B financing with which it aims to translate its approach to rare respiratory diseases into the clinic.