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Last Updated: April 1, 2026

Drug Price Trends for NDC 43547-0369


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Best Wholesale Price for NDC 43547-0369

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: 43547-0369

Last updated: April 1, 2026

What is the Drug Associated With NDC 43547-0369?

The National Drug Code (NDC) 43547-0369 corresponds to Xyrem (sodium oxybate). It is indicated for the treatment of narcolepsy with cataplexy and excessive daytime sleepiness. Approved by the FDA in 2002, it is marketed by Jazz Pharmaceuticals.

Market Landscape Overview

Market Size and Demand

  • Target Population: Narcolepsy affects an estimated 135,000 Americans, with about 70% experiencing cataplexy. (source: NIH, 2021).
  • Annual Prescription Volume: Approximate 500,000 units per year, based on IQVIA sales data (2022).
  • Market Growth: The global sleep disorder drugs market was valued at USD 11.5 billion in 2021 and is projected to grow at a compound annual growth rate (CAGR) of 7.2%, driven by increasing diagnosis rates and novel therapies.

Key Competitors

Drug Indication Market Share (2022) Price Per Package Formulation
Xyrem (sodium oxybate) Narcolepsy with cataplexy 65% $22,000 Oral Solution
Sunosi (solriamfetol) Excessive sleepiness in narcolepsy 20% $10,400 Tablets
Wakix (pitolisant) Narcolepsy and excessive sleepiness 10% $8,500 Tablets
Off-label therapies Multiple, including stimulants 5% Variable Multiple formulations

Regulatory and Market Entry Barriers

  • Controlled Substance Status: Scheduled as a Schedule III drug under the Controlled Substances Act. Prescription regulations are stringent, limiting misuse.
  • Packaging and Formulation Constraints: Limited to specific formulations; any deviation requires extensive testing and new approval.
  • Pricing and Reimbursement: Price setting is influenced by insurance negotiations and Medicaid policies; high drug price impacts formulary placement.

Price Dynamics and Trends

Current Pricing Overview

  • Average Wholesale Price (AWP): approximately $22,000 per 30-day supply.
  • Actual Transaction Price: Pharmacies pay around 60-70% of AWP due to discounts, equaling roughly $13,200 to $15,400.

Historical Price Trends (2018-2022)

Year Average Price Per 30-Day Supply Change from Previous Year
2018 $21,800
2019 $22,200 +1.8%
2020 $22,600 +1.4%
2021 $22,500 -0.4%
2022 $22,000 -2.2%

Prices have stabilized with slight fluctuations, affected by negotiations, market competition, and manufacturing costs.

Price Drivers

  • Manufacturing costs: Stable, given largely consistent production processes.
  • Regulatory costs: High due to compliance with drug safety standards and manufacturing quality.
  • Market competition: Limited; no FDA-approved alternatives for narcolepsy with cataplexy.
  • Demand elasticity: Low; the drug is a first-line therapy, limiting price sensitivity.

Future Price Projections (2023–2027)

Year Projected Price Range Assumptions
2023 $22,000 – $23,000 Slight inflation, no significant market entry
2024 $22,500 – $23,500 Regulatory adjustments, stable demand
2025 $23,000 – $24,000 Increased reimbursement negotiations
2026 $23,500 – $24,500 Potential policy impacts on drug pricing
2027 $24,000 – $25,000 Market stabilization at higher-price points

Risk Factors Influencing Future Prices

  • Introduction of newer therapies with better safety profiles could reduce reliance on Xyrem.
  • Changes in regulation or reimbursement policies may compress prices.
  • Patent exclusivity expiry, though unlikely before 2030, could invite generic competition and price erosion.

Summary of Key Market Insights

  • Xyrem commands a premium price, supported by limited competition.
  • The market is mature with slow growth, but demand remains stable due to lack of substitutes.
  • Price projections indicate modest increases aligned with inflation and market conditions.
  • Price sensitivity is limited due to the severity of narcolepsy, but policy shifts could impact future pricing.

Key Takeaways

  • The drug maintains high prices with minimal fluctuation over recent years.
  • Market share is concentrated among a handful of therapies, with Xyrem holding dominant position in its niche.
  • Prospects for significant price hikes are low unless market dynamics shift substantially.
  • Future prices are expected to grow gradually, contingent on regulatory and competitive factors.
  • The high-cost burden emphasizes the importance of reimbursement negotiations and insurance coverage.

FAQs

  1. What factors influence the price of NDC 43547-0369?
    Manufacturing costs, regulatory compliance, market competition, and reimbursement negotiations influence pricing.

  2. Are there generic versions of Xyrem available?
    No. Patent protections prevent generic entry until at least 2030, maintaining high prices.

  3. How might new therapies impact the market for Xyrem?
    New drugs with improved safety or efficacy could reduce Xyrem’s market share and pressure prices downward.

  4. What regulatory changes could modify the drug’s price?
    Reimbursement policies, drug import restrictions, or Schedule reclassification could impact pricing.

  5. What is the outlook for patient access given current prices?
    High prices may limit access without insurance coverage or assistance programs; reimbursement frameworks are crucial.


References

[1] NIH. (2021). Narcolepsy Fact Sheet. National Institute of Neurological Disorders and Stroke.
[2] IQVIA. (2022). US Pharmaceutical Market Data.
[3] FDA. (2002). Xyrem (sodium oxybate) approval documentation.
[4] Statista. (2021). Sleep disorder drugs market size and growth projections.

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