argenx US: FDA Untitled Letter regarding promotional communications for Vyvgart Jan 2026
February 17, 2026 • Ekalavya Hansaj
Executive Summary: The January 30, 2026 OPDP Untitled Letter INVESTIGATIVE REPORT: ARGENX PROMOTIONAL VIOLATIONS (JANUARY 2026) SECTION 1: EXECUTIVE SUMMARY – THE OPDP UNTITLED LETTER…