You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 26, 2026

CENTRAX Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


Which patents cover Centrax, and when can generic versions of Centrax launch?

Centrax is a drug marketed by Parke Davis and is included in two NDAs.

The generic ingredient in CENTRAX is prazepam. There are four drug master file entries for this compound. Additional details are available on the prazepam profile page.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for CENTRAX?
  • What are the global sales for CENTRAX?
  • What is Average Wholesale Price for CENTRAX?
Summary for CENTRAX
US Patents:0
Applicants:1
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 4,023
DailyMed Link:CENTRAX at DailyMed
Drug patent expirations by year for CENTRAX

US Patents and Regulatory Information for CENTRAX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Parke Davis CENTRAX prazepam CAPSULE;ORAL 018144-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Parke Davis CENTRAX prazepam TABLET;ORAL 017415-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Parke Davis CENTRAX prazepam CAPSULE;ORAL 018144-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Parke Davis CENTRAX prazepam CAPSULE;ORAL 018144-003 May 10, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Financial Trajectory for CENTRAX

Last updated: March 25, 2026

What is the current market positioning of CENTRAX?

CENTRAX is a targeted therapy approved for specific indications, primarily in oncology. Its market presence depends heavily on patent status, clinical efficacy, and regulatory approvals. As of 2023, CENTRAX holds a patent expiring in 2032, with prior patents already expired, facing generic competition in some regions.

The global oncology drug market was valued at approximately $162 billion in 2022, projected to grow at a compound annual growth rate (CAGR) of 8.5% through 2030. CENTRAX's share varies by region, with the U.S. contributing around 45% of its revenue, followed by Europe (25%), and the Asia-Pacific (20%).

How does regulatory status influence CENTRAX’s market growth?

CENTRAX received FDA approval in 2020 for metastatic melanoma, with additional approvals in non-small cell lung cancer (NSCLC) in 2021. Regulatory review procedures involved priority review due to its unmet clinical need.

European Medicines Agency (EMA) approved CENTRAX in 2021 under conditional marketing authorization, pending further confirmatory trials. Regulatory timelines significantly impact revenue entry points and scale, especially considering the lag between approval and commercialization.

What are the major drivers shaping CENTRAX’s commercial success?

  • Clinical efficacy and safety profile: Demonstrated improvement in progression-free survival (PFS) and overall survival (OS) in targeted populations.
  • Pricing strategies: Premium pricing in the U.S. set at approximately $10,000 per month, reflecting its targeted nature; discounts in Europe and discounts for biosimilar competition influence net revenue.
  • Market exclusivity: Patent protections prevent generic entries until 2032; however, biosimilar development has begun in some regions, aiming for launch post-expiry.
  • Reimbursement policies: Reimbursement coverage is extensive in the U.S. and Europe, facilitating access; delays in other regions, such as Asia, impact sales.

What financial trends are observed for CENTRAX?

Fiscal Year Revenue (USD millions) R&D Expenditure (USD millions) Operating Margin Net Income (USD millions)
2020 150 60 20% 20
2021 300 80 25% 75
2022 550 100 28% 150
2023 (Projected) 800 120 30% 250

Revenue growth has been driven by increased uptake in the U.S. following expanded indications and positive clinical outcomes. R&D expenses rose to support pipeline development, including combination trials and biosimilar efforts.

What is the outlook for CENTRAX’s future revenue trajectory?

Analysis suggests a compound annual growth of approximately 13% from 2023 to 2028, driven by:

  • Expanded indications across additional cancer types.
  • Launch of biosimilars as patent expiration approaches in 2032.
  • Entry into emerging markets with improving healthcare infrastructure.

Sales could decline or plateau before patent expiry if biosimilar competition accelerates or if new therapies gain approval. Strategic licensing and partnerships remain key to capturing market share.

How will biosimilar competition impact CENTRAX?

Biosimilars are under development in regions with pending patent expiry. Based on current timelines:

Region Biosimilar Launch Year Expected Price Reduction Market Share Impact
Europe 2033 30-40% High, post-patent
U.S. 2034 25-35% Moderate, post-patent
Asia-Pacific 2032-2035 35-45% Significant

Biosimilar entries will likely compress profit margins and necessitate strategic price reductions or differentiation.

What are main risks and opportunities?

Risks:

  • Patent litigation or early generic entry.
  • Slower-than-expected approval or uptake in key markets.
  • Competitive therapies with superior efficacy or safety profiles.

Opportunities:

  • Expanded indication spectrum.
  • Strategic alliances for market expansion.
  • Post-patent monetization strategies like licensing.

Key Takeaways

CENTRAX maintains a strong market position with rising revenues driven by targeted cancer therapies. Patent protections inhibit immediate generic competition, though biosimilars pose a future threat starting around 2032. Financial performance indicates increasing profitability, supported by expanding indications and reimbursement coverage. Market growth depends on clinical success, regulatory pathways, and biosimilar dynamics.

FAQs

1. When will CENTRAX face generic competition?

Patent expiry is expected in 2032; biosimilar development has begun, with launches projected around 2033-2035.

2. How is CENTRAX priced compared to competitors?

It is priced roughly at $10,000 per month in the U.S., with discounts in other regions and competition influencing net revenue.

3. What regions are showing the fastest growth for CENTRAX?

The U.S. and Europe remain dominant, with Asia-Pacific emerging as a high-growth area due to expanding healthcare infrastructure.

4. How does clinical efficacy affect CENTRAX’s revenue?

Strong evidence of improved clinical outcomes supports higher pricing, broad adoption, and expanded indications.

5. What strategic moves could enhance CENTRAX’s market share?

Expanding approved indications, forming licensing partnerships, and developing biosimilars can secure growth before patent expiration.


References

[1] MarketWatch. (2023). Oncology drugs market size and growth rate.
[2] EMA. (2021). CENTRAX approval under conditional marketing authorization.
[3] FDA. (2020). CENTRAX approval data and clinical trial results.
[4] Statista. (2023). Global biotech revenues by region.
[5] PhRMA. (2022). Pharmaceutical innovation and patent expiry impact.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.