Linden Capital Partners has announced the acquisition of Alcresta Therapeutics.

Alcresta, founded in 2011 and based in Newton, Mass., develops and commercializes enzyme-based products designed to address challenges faced by people living with gastrointestinal disorders and rare diseases.

Linden, based in Chicago, is a private equity firm focused exclusively on the healthcare industry. Founded in 2004, the firm pursues acquisition opportunities across the healthcare industry, including services, products and distribution companies, and prefers to make more substantial investments from a dollars perspective.

Terms of the acquisition were not disclosed.