These are wholesale prices available to the US Federal Government which, by law, must be the best prices available under comparable terms and conditions
Price type key:
Federal Supply Schedule (FSS): generally available to all Federal Govt agencies /
'BIG4' prices: VA, DoD, Public Health & Coast Guard only /
National Contracts (NC): Available to specific agencies
Market Analysis and Price Projections for NDC 64896-0078
Last updated: February 23, 2026
What is NDC 64896-0078?
NDC 64896-0078 is a prescription drug identified by the FDA National Drug Code directory. It corresponds to Xyrem (sodium oxybate), used primarily for narcolepsy with cataplexy and other sleep disorders. Xyrem's active ingredient, sodium oxybate, is a central nervous system depressant with Schedule III classification in the United States.
Market Size and Demand Trends
Historical Sales Data
2019: Approximate sales of $450 million in the U.S.
2020: $540 million, driven by increased diagnosis and off-label use
2021: Slight growth to $580 million
2022: Estimated to exceed $600 million, reflecting steady demand inflation
Key Market Drivers
Increasing prevalence of narcolepsy and idiopathic hypersomnia (estimated at 1 in 2,000 in the U.S.)
Expanded FDA approvals, including for pediatric use
Growing awareness and diagnosis of sleep disorders
Limited alternative therapies, creating high treatment adherence
Competitive Landscape
Main competitor: Xywav (calcium, magnesium, potassium, and sodium oxybates)
Other alternatives: Modafinil, pitolisant, solriamfetol, with limited efficacy compared to sodium oxybate
Market share: Xyrem maintains approximately 70% of sodium oxybate market share
Price Dynamics and Projections
Current Pricing
Average wholesale price (AWP): ~$30 per mL
Typical dosing: 4.5 grams/night, divided into two doses (~60 mL), costing approximately $1,800 per treatment course
Reimbursement: U.S. Medicare and private insurers typically reimburse at or near the AWP
Price Trends (2019-2022)
Slight increase in price per mL (~2% annually)
Pricing pressures from generic and biosimilar entries are limited due to patent protection and market exclusivity
Patent and Regulatory Considerations
Patent expiry for Xyrem’s key formulation is anticipated in 2028
Pending or recent lawsuit settlements have extended exclusivity periods
New formulations (e.g., Xywav) introduced at similar price points, maintaining overall market pricing
Future Price Projections (2023–2027)
Year
Estimated Price per mL
Treatment Cost per 60 mL Course
Key Factors
2023
$30.60
~$1,836
Patent protections intact, inflation rate 2%
2024
$31.20
~$1,872
Anticipated patent litigation resolution
2025
$31.85
~$1,911
Potential biosimilar entries delayed
2026
$32.50
~$1,950
Market monopolization maintained
2027
$33.15
~$1,989
Contractual agreements affecting pricing
Impact Analysis
Increasing marginal costs linked to manufacturing and regulatory compliance drive modest price hikes.
Market entry of biosimilar sodium oxybate remains unlikely before patent expiry, supporting price stability.
Payor pressure and formulary negotiations could moderate prices in the longer term post-patent.
Key Takeaways
The drug associated with NDC 64896-0078, Xyrem, is a high-revenue, niche sleep disorder medication with around $600 million annual sales.
Pricing remains relatively stable due to patent protections and limited biosimilar competition.
Price per treatment course is estimated to grow approximately 2% annually through 2027.
Market share dominance by Xyrem supports sustained pricing power until patent expiry in 2028.
Competitive market entry, regulatory changes, and reimbursement policies could alter pricing dynamics post-2027.
FAQs
What factors most influence sodium oxybate pricing?
Patent protection, manufacturing costs, reimbursement policies, and market demand are primary drivers.
How might biosimilars affect future prices?
Biosimilar entry post-patent expiry could exert downward pricing pressure, possibly reducing treatment costs by 20-30%.
What is the expected timeline for patent expiration?
Patent expiry is anticipated in 2028, after which biosimilar options may become available.
Are there any upcoming regulatory changes that could impact pricing?
Changes in FDA guidelines, reclassification of sleep disorder medications, or new approval indications could influence pricing structures.
How does the growth of Xywav impact Xyrem’s market and pricing?
Xywav, a lower-sodium formulation priced similarly, has captured a significant share but coexists with Xyrem, limiting aggressive price competition.
Citations
[1] IQVIA. (2023). National Sales Perspectives.
[2] FDA. (2022). Drug Approvals and Regulatory Status.
[3] MarketLine. (2022). Global Sleep Disorder Market Analysis.
[4] U.S. Patent and Trademark Office. (2023). Patent Database.
[5] Medicare.gov. (2023). Reimbursement Data.
Note: Data and projections reflect publicly available information as of Q1 2023.
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