Impel Pharmaceuticals to Present Trudhesa® Data at the 64th Annual Meeting of the American Headache Society Jun 09, 2022 PDF Version Oral Presentation Showcases Early Ability to Predict Responders to Trudhesa New Analysis Suggest Patient-Reported Benefits of Long-Term Use with Trudhesa Two Additional Analyses Demonstrate Trudhesa Efficacy Regardless of Current Preventive Therapies or Prior Acute Treatments