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 Solriamfetol Dose A, Solriamfetol Dose B, or Placebo. The registry lists allocation as randomized. This study is a Phase 3, multi-center, randomly assigned, 6-week, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment, parallel-group trial to assess the how well it works and safety of solriamfetol in children aged 6 to \<12 years with ADHD.
They plan to enroll about 468 people at 31 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
A Phase 3, Randomized, 6-Week, Double-blind, Placebo-controlled Trial of Solriamfetol in Children Aged 6 to <12 Years With Attention Deficit Hyperactivity Disorder (ADHD)
Interventions: Solriamfetol Dose A, Solriamfetol Dose B, Placebo
Primary outcome (registry wording): ADHD-RS-5 Total Score, Change from Baseline to Week 6