What this phase means
Phase 3: this treatment already looked useful in smaller studies. Now it is tested in a large group, often against standard care or a dummy treatment, to see if it should be approved.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are EB-1020 (Centanafadine) 164.4 mg, or EB-1020 (Centanafadine) 328.8 mg. The registry lists allocation as randomized. This study wants to measure the safety of long-term administration of mainly high doses of EB-1020 over 52 weeks in patients who have completed the neither you nor the study doctors know who gets the real treatment trial (405-102-00112) conducted in Japan
They plan to enroll about 180 people at Tokyo. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
A Phase 3, Multicenter, Open-label, Uncontrolled, Long-term Trial to Evaluate the Safety and Efficacy of Long-term Administration of EB-1020 Once Daily QD XR Capsules in Adults With Attention-deficit/Hyperactivity Disorder
Interventions: EB-1020 (Centanafadine) 164.4 mg, EB-1020 (Centanafadine) 328.8 mg
Primary outcome (registry wording): Number of Patients Experiencing Treatment-Emergent Adverse Events (TEAEs)