Original Article The Clinical Important Corrected Plasma Concentration During Valproic Acid Therapy for Thrombocytopenia in Patients with Hypoalbuminemia : A Case Report and Narrative Review Siriphong Thanapatphakin, Parsiri Sithinamsuwan, Juthathip Suphanklang, Parnrada Nulsopapon Valproic acid (VPA) is usually prescribed as an antiepileptic drug indication for seizure from any causes. The unique of VPA pharmacokinetic characteristics is extensive bound 90% to plasma protein (bound VPA concentration), preferential albumin. กรกฎาคม - กันยายน 2567