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Last Updated: January 1, 2026

Drug Price Trends for NDC 00378-4081


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Best Wholesale Price for NDC 00378-4081

These are wholesale prices available to the US Federal Government which, by law, must be the best prices available under comparable terms and conditions
Drug Name Vendor NDC Count Price ($) Price/Unit ($) Dates Price Type
>Drug Name >Vendor >NDC >Count >Price ($) >Price/Unit ($) >Dates >Price Type
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 00378-4081

Last updated: September 19, 2025


Introduction

The drug identified by NDC 00378-4081 corresponds to Xyrem (sodium oxybate), a prescription medication primarily used in the management of narcolepsy with cataplexy and, more recently, for treatment-resistant depression in specific cases. Since its approval, Xyrem has carved a unique niche in the pharmaceutical landscape due to its efficacy, regulatory controls, and pricing dynamics. This analysis examines current market conditions and projects future pricing trends for Xyrem, considering regulatory factors, competitive landscape, reimbursement policies, and potential market shifts.


Regulatory & Market Context

Regulatory Overview
Xyrem (sodium oxybate) is a Schedule III controlled substance under the US Drug Enforcement Administration (DEA) classification, reflecting its potential for abuse and dependence. Approved by the FDA in 2002, it is marketed by Jazz Pharmaceuticals. The strict regulatory environment significantly impacts its market penetration, distribution channels, and pricing strategies.

Indications & Usage
Primary indications include narcolepsy with cataplexy, with recent expansion into comorbid conditions such as treatment-resistant depression. Its specialized use limits broad off-label prescriptions, concentrating demand within a niche patient population.

Market Size & Demographics
Estimates suggest approximately 30,000 to 40,000 patients in the US utilize Xyrem, as per recent reports from IQVIA ([1]). The adult population with narcolepsy remains relatively stable but is underdiagnosed, which constrains market growth.


Current Market Dynamics

Market Competition
Xyrem's primary competitors are other wakefulness-promoting agents, such as modafinil and armodafinil, but these do not directly target narcolepsy with cataplexy. Recently, faster-acting or alternative therapies like Seltorexant and other wake-promoting drugs offer some competition, yet none fully replace Xyrem for its unique mechanism.

Pricing Landscape
As of 2023, the wholesale acquisition cost (WAC) for Xyrem is approximately $52,000 to $55,000 annually per patient. However, through manufacturer rebates and insurance negotiations, the out-of-pocket costs for patients often fluctuate significantly, influencing adherence and persistence.

Reimbursement & Payer Dynamics
Insurance coverage and Medicaid policies greatly influence patient access. Strict prior authorization processes and high copayment tiers often restrict broader adoption. The use of patient assistance programs from Jazz Pharmaceuticals mitigates some barriers but impacts overall revenue.

Market Challenges

  • Regulatory restrictions hinder widespread dissemination.
  • Abuse deterrence measures add logistical hurdles.
  • Limited market expansion opportunities due to niche indication.

Price Projections & Future Trends

Short-term Forecast (2023-2025)
In the immediate future, pricing is likely to remain relatively stable, with slight fluctuations driven by inflation and changes in drug manufacturing costs. Price erosion is anticipated to be minimal due to limited substitutes and the high regulatory costs associated with distribution. The anticipated annual price increase is projected at 1-2%, consistent with inflation and formulation costs.

Medium-term Outlook (2025-2030)
Potential for modest price increases exists, particularly if the drug secures new indications or gains regulatory approval for broader use in other psychiatric or neurological conditions. However, increased biosimilar or generic competition remains unlikely in the near term due to the drug’s complex manufacturing process and stringent regulatory controls.

Long-term Outlook (2030 and beyond)
Price adjustments will increasingly depend on:

  • Market saturation: As the patient base plateaus, revenue growth opportunities diminish.
  • Regulatory changes: Loosening of restrictive protocols could expand the market, possibly pressuring prices downward.
  • Development of novel therapies: Introduction of superior or more affordable alternatives could exert downward pressure on Xyrem’s price.

Impact of Biosimilars & Generics
Currently, no biosimilars or generics are available for sodium oxybate. Given the complexity of manufacturing and tight patent protections, generics are unlikely within the next 5-7 years. Their introduction would significantly alter the price landscape, potentially reducing costs by 30-50%.

Impact of Patent & Exclusivity
Jazz Pharmaceuticals holds patents and exclusivity arrangements that prevent generic entry until their expiration, projected around 2030. Patent extensions or additional indications could prolong this period.


Market Opportunities & Risks

Opportunities

  • Expansion into new indications, such as refractory depression, could broaden the patient base.
  • Development of abuse-deterrent formulations might increase prescribing confidence and insurance coverage.
  • Integration into combination therapies or personalized medicine protocols can sustain demand.

Risks

  • Regulatory tightening on opioid-like substances could further restrict distribution.
  • Emergence of alternative therapies with better safety profiles.
  • Pricing pressures from payers and government agencies aiming to contain costs for chronic neurological disorders.

Strategic Implications for Stakeholders

  • Manufacturers should focus on demonstrating added value via new indications and maintaining regulatory compliance.
  • Healthcare providers need to navigate complex prescribing protocols, emphasizing patient safety and adherence.
  • Payers will likely continue to scrutinize high-cost drugs like Xyrem, favoring step therapy and formulary restrictions.
  • Investors should monitor patent landscapes and emerging competitors, especially considering potential biosimilar entries.

Key Takeaways

  • The market for NDC 00378-4081 (Xyrem) remains niche but essential, with stable pricing driven by regulatory controls and limited competition.
  • Short-term price projections indicate minimal fluctuations (~1-2% annual increases), mainly driven by inflation and manufacturing costs.
  • Long-term pricing will be influenced heavily by patent protections, indication expansion, and the development of biosimilars.
  • Market growth is constrained by patient underdiagnosis, regulatory hurdles, and cautious payer strategies.
  • Stakeholders should prepare for potential pricing pressures if biosimilars or more affordable alternatives enter the market post-2030.

Frequently Asked Questions (FAQs)

1. What factors are most likely to influence the future price of Xyrem?
Regulatory changes, patent expirations, competition from biosimilars, expansion of approved indications, and payer reimbursement policies will be primary determinants.

2. How does the regulatory classification of Xyrem impact its market price?
As a Schedule III controlled substance, the extensive regulatory requirements increase manufacturing, distribution, and compliance costs, supporting higher prices and limiting market expansion.

3. Are there generic options available for sodium oxybate?
Currently, no generics or biosimilar versions exist due to patent protections and manufacturing complexities. Future availability depends on patent expiration and regulatory approval.

4. Can market dynamics change significantly within the next five years?
Yes. Regulatory adjustments, new indications, advancements in competing therapies, or policy shifts could materially alter the market landscape and pricing.

5. What strategies should stakeholders adopt to optimize returns or patient access?
Stakeholders should monitor regulatory developments, invest in evidence generation for expanded indications, and develop patient assistance programs to improve access, while managing costs effectively.


References

[1] IQVIA National Prescription Audit, 2022 data on narcolepsy treatments and drug utilization.

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