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Milestone Pharmaceuticals' CARDAMYST Nasal Spray Gains Express Scripts Formulary Access

Apr 01, 2026

Express Scripts has added Milestone Pharmaceuticals' CARDAMYST nasal spray to its national formularies, improving access to the first FDA-approved self-administered treatment for PSVT in 30 years. The drug was approved in December 2025 and clinical studies show it converts PSVT episodes twice as likely and three times faster than placebo. The company has also submitted a marketing application to European regulators.

Mavacamten Shows Promise for Adolescents with Hypertrophic Cardiomyopathy

Mar 30, 2026

Mavacamten significantly reduces heart obstruction in adolescents with hypertrophic cardiomyopathy, with patients experiencing a 48.5 mm Hg drop in blockage compared to minimal change in placebo groups. The drug also lowered blood markers indicating heart damage and showed promise in slowing disease progression. Separate real-world data confirms mavacamten's effectiveness as monotherapy across diverse patient populations.