Which specialty drug is primarily used to treat Hepatitis C?

The specialty drug that is primarily used to treat Hepatitis C is Harvoni. This medication is a combination of two antiviral agents, ledipasvir and sofosbuvir, which work together to inhibit the replication of the hepatitis C virus in the body. Harvoni is particularly effective for certain genotypes of the virus and has significantly improved treatment outcomes for patients, often leading to a cure with a simpler regimen compared to older therapies.

Other medications listed serve different therapeutic purposes; for instance, Humira is primarily used for autoimmune conditions such as rheumatoid arthritis and Crohn's disease, Gleevec is utilized for specific cancers, including chronic myeloid leukemia and gastrointestinal stromal tumors, and Revlimid is used in the treatment of multiple myeloma and certain blood disorders. Therefore, while all these drugs are significant in their own therapeutic areas, Harvoni is distinctively indicated for the treatment of Hepatitis C.