Cannabis-based medicine developer Oxford Cannabinoid Technologies has secured $10m in a round led by Imperial Brands' corporate venturing unit.

Liquidia Technologies, a spinout from UNC Chapel Hill, has filed to raise up to $57.5m in its initial public offering.

Novo and returning investor Boehringer Ingelheim both contributed to the second tranche of a round that is now just over $40m in size.

PPD and Siemens-backed biopharmaeutical developer Liquidia Technologies has filed to raise up to $57.5m in its initial public offering.

The Pfizer and GE-backed medical device developer has closed its initial public offering after the underwriters took up the over-allotment option.

Telehealth platform American Well has raised $291m of a planned $315m round, the investors including strategic partner Philips.

Leiden thrombosis therapy spinout VarmX had raised an undisclosed seed sum in June 2017 and converted debt to equity in its latest round.