United Drug, an international provider of healthcare services, will acquire North Carolina-based Drug Safety Alliance for a total of up to $28 million, and North Carolina-based Synopia RX for up to $12 million.

DSA employs 94 people and provides safety and risk management services supporting pharmaceutical, biotech, medical device, animal and consumer health organizations, including detection, assessment, analysis and reporting of adverse drug reactions.

United Drug said DSA complements its U.S. medical information business, Alliance, and will allow for an integrated call center and case processing pharmacovigilance service. Both DSA and Alliance will be part of United Drug’s sales, marketing & medical division.

Synopia provides market access services to pharmaceutical and biotech manufacturers in the U.S., to accelerate the access and positioning of medicines in the payer market. Services include market research, payer strategy development and account management. Synopia also will be part of United Drug’s sales, marketing & medical division.