Datavant, the leader in helping healthcare organizations securely connect their data, and Ciox Health, the leader in clinical data exchange, announced that they have signed a definitive agreement to merge the two companies in a transaction valued at $7.0 billion. The combined entity, to be named Datavant, will be the nation’s largest health data ecosystem, enabling patients, providers, payers, health data analytics companies, patient-facing applications, government agencies, and life science companies to securely exchange their patient-level data.