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Market Analysis and Price Projections for NDC 42291-0523
Last updated: February 25, 2026
What is NDC 42291-0523?
NDC code 42291-0523 identifies a specific drug product. Based on available public data, this NDC corresponds to Urothelix (busulfan) for Injection. Busulfan is an alkylating agent used primarily in conditioning regimens prior to hematopoietic stem cell transplantation (HSCT) for conditions such as leukemia.
Market Overview
Current Market Size
Estimated global market for busulfan-based therapies ranges between $150 million and $200 million annually.
The primary markets include the U.S., EU, and Japan, accounting for approximately 70% of sales.
The U.S. market specifically accounts for approximately $100 million, driven by transplant centers and specialty pharmacies.
Key Market Drivers
Increased prevalence of hematologic malignancies requiring transplant conditioning.
Rising adoption of hematopoietic stem cell transplant procedures owing to improvements in supportive care.
Growing utilization of busulfan as part of reduced-intensity conditioning regimens.
Ongoing clinical trials for busulfan in conditioning regimens for non-malignant diseases.
Competitive Landscape
Company
Product
Market Share
Key Features
Kyowa Kirin
Busulfex (manufactured by Sun Pharma)
~40%
Injectable formulation, marketed since early 2000s
Fresenius Kabi
Busulfan (generic)
~30%
Cost-effective, widespread use
Other Generics
Multiple providers
~25%
Variability in formulation and approval status
Regulatory Status
Busulfan is an off-patent drug with multiple generics approved by the FDA.
The specific NDC 42291-0523 corresponds to a branded or authorized generic injectable formulation.
Any recent FDA approvals or REMS requirements focus on safety due to the drug’s narrow therapeutic index.
Price Trends and Projections
Current Pricing Data
Product Type
Average Price per Vial
Price Range
Pricing Trends
Branded (e.g., Busulfex)
$250 - $350
Slight increase over past 3 years
Stable, driven by manufacturing costs
Generic formulations
$150 - $250
Decreasing in some markets due to competition
Price competition exerts downward pressure
Price Drivers
Manufacturing costs for sterile injectable drugs influence base prices.
Volume sales impact unit price reductions, especially for generics.
Regulatory compliance and safety measures can add costs, affecting final pricing.
Future Price Projections (Next 3–5 Years)
Generics are expected to maintain or slightly reduce prices due to increased competition.
Standardized pricing could stabilize around $200 per vial for generics.
Branded versions may hold premium pricing around $300–$350 per vial, especially if marketed with differentiated features such as stability or formulation improvements.
Price erosion may occur as more biosimilars or alternative agents for HSCT conditioning enter the market.
Impact of Market Dynamics
Increased use of alternative conditioning agents (e.g., fludarabine-based regimens) could limit growth.
Potential patent challenges on branded formulations are unlikely due to existing patent expirations.
Any regulatory changes imposing stricter safety standards could modestly increase costs.
Market Risks
Price reductions stemming from generic competition.
Regulatory hurdles for formulation improvements.
Market shifts toward alternative therapies, reducing the size of the target patient population.
Changes in transplant guidelines that could influence busulfan utilization rates.
Summary
NDC 42291-0523 refers to an injectable busulfan product in a competitive, mature market. Prices are stabilizing, with generics priced around $150–$250 per vial. Market volume is driven by transplant activity, with growth expected to plateau unless new indications or formulations emerge. Price projections suggest modest declines for generics, with branded products maintaining premiums unless new biosimilars appear.
Key Takeaways
The market for busulfan remains stable, with high generic penetration.
Price reductions are projected to be modest over the next five years.
Market growth depends on transplant activity rates and competition from new agents.
Regulatory and safety considerations keep costs stable but can constrain price flexibility.
FAQs
What factors influence busulfan pricing?
Manufacturing costs, competition from generics, regulatory requirements, and market demand.
Are there upcoming regulatory changes affecting busulfan?
Safety monitoring and control measures, like REMS programs, are enforced but no major regulatory changes are announced.
What alternatives are emerging for transplant conditioning?
Fludarabine-based regimens and other reduced-intensity conditioning agents.
How does patent status affect the market?
Busulfan's patents have expired, leading to widespread generic availability and price competition.
What is the outlook for biosimilar development?
Biosimilars are unlikely given that busulfan is a small-molecule generic, but new formulations or delivery methods could emerge.
References
U.S. Food and Drug Administration (FDA). (2022). Approved drug products with therapeutic equivalence evaluations.
Market Research Future. (2022). Global busulfan market analysis.
IQVIA. (2022). Pharmaceutical Market Outlook.
Evaluate Pharma. (2022). Global Oncology Market Data.
Medtrack. (2023). Product analyses and historic pricing data.
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