In July, Rex Health Ventures, a $10m fund managed on behalf of the eponymous community non-profit hospital, invested $500,000 in Aerial.

Aerial Biopharma, a US-based narcolepsy treatment company, has extended its series A round to $9.5m and is looking to raise $12m in total.

In July, Rex Health Ventures, a $10m fund managed on behalf of the eponymous community non-profit hospital, invested $500,000 in Aerial.

Rex Health Ventures’ investment was part of an initial $3.8m equity financing that included angel investor David Adair and venture firm 3G Capital.

Aerial was formed in January 2011 by a team of biopharmaceutical entrepreneurs and its…