Trinity Hunt Partners has announced it has made a majority investment in Centricity Research.

Centricity, with its U.S. headquarters in Columbus, Ga., is clinical research services provider. Founded in 2007, the company specializes in conducting Phase I-IV clinical trials across more than 40 therapeutic areas

Trinity Hunt, based in Dallas, is a growth-oriented private equity firm that targets small-cap companies in healthcare and a few other industries. Founded in 1993, the firm typically invests between $15 million and $50 million in companies with between $4 million to $25 million of EBITDA.

McGuireWoods served as legal advisor to Trinity Hunt.

Terms of the acquisition were not disclosed.