a: Patients Who Took Study Medication and Continued TAU After Study Participation
b: Patients Who Completed the Study and Elected to Stop Medication
c: Patients With Early OUD Relapse
d: Patients Who Took Study Medication, Dropped-Out of Treatment, then Re-Engaged in TAU
e: Patients Who Initiated Non-Study Medications in TAU
f: Patients Who Switched Medication