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Instant savings programs, like copay cards, exist for Keytruda. These cards typically reduce patient out-of-pocket costs for each dose. Most programs limit assistance to patients with commercial insurance and exclude those with government plans such as Medicare or Medicaid.
Keytruda has a list price of $11,337 per 100 mg vial. Actual patient costs vary widely by insurance plan. Many plans require prior authorization and step therapy before covering the drug. Patients often face high coinsurance rates that can reach 20-30% once deductibles are met.
Keytruda's primary composition-of-matter patent expires in 2028. Secondary patents covering formulation and method-of-use may extend exclusivity into the 2030s. Companies already file challenges against these patents. Companies have submitted biosimilar applications to the FDA.
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