ABOUT BIODELIVERY SCIENCES INTERNATIONAL, INC. BioDelivery Sciences International, Inc. BDSI is a commercial-stage specialty pharmaceutical company dedicated to patients living with chronic conditions. BDSI has built a portfolio of differentiated pain and neurology products and leverages its experienced sales and marketing organization to educate prescribers on their unique features. BDSI's products address serious and debilitating conditions, including chronic pain, acute migraine and opioid-induced constipation.