Intuity, a diabetes testing and management spinout of Sarnoff Corporation, has added $15m to the $40m it closed in November.

Intuity Medical, a US-based diabetes management spinout of research organisation Sarnoff Corporation, raised $15m from family investment fund KCK Group yesterday to increase its ‘series 3’ round to $55m.

Venture capital firm PTV Healthcare Capital led the round, which included Accuitive Medical Ventures, Investor Growth Capital, US Venture Partners, Venrock, Versant Ventures and affiliates of Luther King Capital Management. The $40m first close of the round took place in November 2016.

Intuity has created a cloud-based glucose data management…