PUBLISHED REPORT in HEALIO Macrene Alexiades, MD, PhD, FAAD Key takeaways: TrenibotulinumtoxinE is a fast-acting, short-term neurotoxin for treatment of glabellar lines. The FDA’s complete response letter to AbbVie requests more information about the toxin’s manufacturing processes. The complete response letter from the FDA to AbbVie regarding trenibotulinumtoxinE is best understood not as a scientific setback, but as a reminder of where the regulatory bar sits for complex bi

When I look at your skin, I am not only seeing a clinical presentation. I am seeing the downstream expression of cellular and molecular processes that I spent years studying at Harvard — and that changes everything about how I treat it. Dr. Macrene Alexiades MD PhD on what a doctorate in Genetics actually brings to dermatology.