blockbuster drug

https://doi.org/10.1351/goldbook.12629
Drug that generates annual sales of USD 1 billion (\(\$\pu{E9}\)) or more.
Source:
PAC, 2013, 85, 1725. (Glossary of terms used in medicinal chemistry. Part II (IUPAC Recommendations 2013)) on page 1729 [Terms] [Paper]