Today, the U.S. Food and Drug Administration cleared a mobile medical application (app) to help increase retention (the amount of time a patient participates) in an outpatient treatment program for individuals with opioid use disorder (OUD). The reSET-O app is a prescription cognitive behavioral therapy intended to be used in addition to outpatient treatment under the care of a health care professional, in conjunction with treatment that includes buprenorphine and contingency management. Contingency management is a behavior modification intervention that establishes a connection between new, targeted behavior and the opportunity to obtain a desired reward.