Genstar Capital has announced a strategic majority investment in Flourish Research, according to a news release.

Flourish, founded in 2001 and based in Apex, North Carolina, is a multi-site clinical trial organization focused on areas including cardiovascular, metabolic, neuroscience and infectious disease therapeutic areas.

Genstar Capital, based in San Francisco, is a private equity firm focused on making control investments in global middle market companies headquartered in North America. Founded in 1988, the firm targets investments in healthcare and a few other sectors.

Terms of the investment were not disclosed.

Flourish is an NMS Capital portfolio company.