ABVC BioPharma, Inc. announced that Dr. Keith McBurnett, Professor of Psychiatry at the University of California San Francisco, presented the results of the Phase IIa study of its medical treatment, ABV-1505 ADHD, on January 14, 2023 at the 2023 Conference of The American Professional Society of ADHD and Related Disorders (APSARD) Poster Session. APSARD is a world-renowned organization consisting of a broad spectrum of allied mental health experts working to improve the quality of care for patients with ADHD through the advancement and dissemination of research, and evidence-based practices. The active pharmaceutical ingredient of ABV-1505, PDC-1421, was used in the Phase IIa study which involved six adult subjects with confirmed ADHD.

Each patient was administered two doses of PDC-1421 (low, 380mg; and high, 760mg) three times a day for four weeks and a one-week post-treatment follow-up.