Biologic facts

Brand

Prolia (Denosumab)

20 denosumab biosimilars from 10 makers are licensed, 20 of them interchangeable. The 12-year reference exclusivity date of 06/2022 is an estimate from first approval; the Purple Book does not list patents, which can protect a biologic longer.

Prolia was first approved by the FDA in 2010; the application holder is Amgen Inc.

The latest NADAC for PROLIA 60 MG/ML SYRINGE is $1,863.22 per mL (as of 10/28/2026).

Holder Amgen Inc.Approved 2010

01Exclusivity

When biosimilar competition can legally begin. The Purple Book lists reference exclusivity but not patents, which can protect a biologic longer.

Patents
Not listed in the Purple Book
Purple Book
Reference exclusivity
06/202212-year estimate from first approval
Purple Book

02Competition

Biosimilars
20 biosimilars from 10 makers
Purple Book
Interchangeable
20
Purple Book
Every makerEach licensed product and biosimilar maker.
PrescribersWho prescribes it, from Medicare data.
Spend and safetyMedicare Part B spend and safety reports.
Available in the full Prolia profile.See what is included

03Supply and price

FDA drug shortage
ClearNot on the current shortage list
FDA shortages
NADAC
$1,863.22 per mLPROLIA 60 MG/ML SYRINGE, as of 10/28/2026
CMS NADAC
Latest recall
04/21/2025Class II, Denosumab, Mckesson Medical-Surgical Inc. Corporate Office
FDA enforcement

04Product

Application holder
Amgen Inc.
Purple Book
First approved
2010
Purple Book
Other brand names
Xgeva

Sources: FDA Orange Book, FDA Purple Book, FDA drug shortages, FDA enforcement reports and CMS NADAC, read through QOPE. Not medical or legal advice.