Existing investor Merck & Co took part in a round that boosted the healthcare work management platform's overall funding to $135m.

PatientSafe Solutions, a US-based developer of communication and workflow management software for the healthcare industry, has completed a $25m financing round featuring pharmaceutical firm Merck & Co.

Investment firm HighBar Partners led the round, which included private equity firm Camden Partners, healthcare-focused investment firm Psilos Group and private equity group TPG, while Merck invested through its Merck Global Health Innovation Fund (GHI).

Founded in 2002, PatientSafe has created a mobile platform that integrates a patient’s electronic health records and a…