AstraZeneca pays Sino $200M upfront, up to $1.9B for COPD challenger to Merck’s Ohtuvayre on July 08, 2026 AstraZeneca Chronic Obstructive Airway Disease COPD Merck Ohtuvayre PDE3/4 inhibitor Respiratory physiology Sino Biopharmaceutical +
Merck Makes $10B Acquisition of Verona Pharma to Bolster Respiratory Portfolio on July 12, 2025 Acquisition COPD Drug Industry Keytruda patent Merck Ohtuvayre Pharma Respiration Disorders Verona +