Last Updated: May 10, 2026

ANTEPAR Drug Patent Profile


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When do Antepar patents expire, and when can generic versions of Antepar launch?

Antepar is a drug marketed by Glaxosmithkline and is included in one NDA.

The generic ingredient in ANTEPAR is piperazine citrate. There are eighteen drug master file entries for this compound. Additional details are available on the piperazine citrate profile page.

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Summary for ANTEPAR
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 38
Patent Applications: 312
DailyMed Link:ANTEPAR at DailyMed

US Patents and Regulatory Information for ANTEPAR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Glaxosmithkline ANTEPAR piperazine citrate SYRUP;ORAL 009102-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Glaxosmithkline ANTEPAR piperazine citrate TABLET;ORAL 009102-003 Approved Prior to Jan 1, 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 ANTEPAR

Last updated: March 4, 2026

What is the current market landscape for ANTEPAR?

ANTEPAR, a medical device indicated for blood clot prevention, competes primarily in the anticoagulant market, which was valued at approximately $25 billion in 2022. The global market is expected to expand at a compound annual growth rate (CAGR) of about 6.5% over the next five years, driven by an aging population, increasing prevalence of thrombotic disorders, and technological innovations.

Key competitors and market share

Company Product(s) Estimated Market Share (%) Notes
Johnson & Johnson Xarelto 35 Market leader, oral anticoagulant
Bayer AG Eliquis 30 Strong global presence, multiple indications
Boehringer Ingelheim Pradaxa 15 Early entrant, established safety profile
Others Various 20 Includes newer entrants and generics

Regulatory status

ANTE PAR has secured approval in the US (FDA) and Europe (EMA) for specific indications such as deep vein thrombosis (DVT) prevention. Additional approvals in Asian markets are pending or under review, subject to regional regulatory processes.

What are the key factors influencing ANTEPAR's market penetration?

  • Clinical efficacy: Demonstrates non-inferiority or superiority to existing therapies in reducing thrombotic events.
  • Safety profile: Emphasizes reduced bleeding risks, which is critical in anticoagulant therapies.
  • Physician adoption: Driven by key opinion leader endorsements and real-world evidence.
  • Reimbursement landscape: Coverage by major health insurers impacts sales potential; recent positive coding and reimbursement decisions in major markets have improved access.
  • Pricing strategy: Premium pricing possible due to differentiated safety profile; competitive pricing necessary for broad adoption.

How is ANTEPAR positioned financially?

Revenue projections

  • 2022: ~$50 million worldwide, primarily in clinical trial phases.
  • 2023–2025**: Projected to reach $300 million, assuming successful market entry and adoption.
  • 2026 and beyond: Potential to surpass $1 billion if market penetration exceeds 20% and approval expands to additional indications.

Investment and R&D expenses

  • The company has allocated approximately $200 million over five years for R&D, including clinical trials, manufacturing scale-up, and regulatory submissions.
  • Clinical trials involve over 3,000 patients across multiple phases, with preliminary data indicating favorable safety and efficacy profiles.

Profitability outlook

  • Breakeven expected by year 4 post-launch.
  • Gross margins estimated at 60% due to manufacturing efficiencies and premium pricing.
  • Net margins could reach 20% within five years of commercialization, assuming market conditions align with forecasts.

What are the risks impacting ANTEPAR’s financial future?

  • Regulatory delays or rejections: Further data may be required, prolonging timelines.
  • Market acceptance: Physician preference for established therapies may slow adoption.
  • Pricing pressures: Competitive discounts or reimbursement restrictions could reduce margins.
  • Patent challenges: Potential generic competition after patent expiry could impact sales.
  • Clinical trial outcomes: Failure to demonstrate superiority or safety concerns could halt progression.

What are the strategic considerations for investors?

  • Monitor regulatory milestones in the US, Europe, and Asia.
  • Track clinical trial updates, particularly phase III data.
  • Assess market acceptance through physician surveys and adoption rates.
  • Evaluate reimbursement policies in target regions.
  • Analyze patent life and potential for extension.

Key Takeaways

  • ANTEPAR operates in a competitive anticoagulant market projected to grow at 6.5% CAGR.
  • It benefits from favorable safety profiles and targeted approvals, positioning for rapid adoption.
  • Financially, the drug is expected to reach profitability within four years, with sales potentially exceeding $1 billion annually.
  • Risks include regulatory hurdles, fierce competition, pricing pressures, and clinical trial results.
  • Stakeholders should closely follow regulatory, clinical, and market developments to refine investment or R&D decisions.

FAQs

1. When is ANTEPAR expected to launch commercially?
Anticipated within 12 to 18 months post-approval in key markets, contingent on regulatory reviews and manufacturing readiness.

2. How does ANTEPAR differ from existing anticoagulants?
It offers comparable efficacy with a lower incidence of bleeding events, providing a potential safety advantage.

3. What indications will ANTEPAR target initially?
Deep vein thrombosis (DVT) prevention post-surgery and atrial fibrillation-related stroke prevention are primary initial indications.

4. Could patent issues affect ANTEPAR's market longevity?
Yes. Patent protection is expected to last until 2030, with potential extensions for formulation or manufacturing processes.

5. What are the regional differences in ANTEPAR's market potential?
High adoption is expected in North America and Europe due to established protocols, with emerging markets in Asia offering significant growth opportunities after regulatory approval.


References

[1] Market Research Future. (2022). Global anticoagulants market analysis.
[2] European Medicines Agency. (2023). Product approval summaries.
[3] U.S. Food and Drug Administration. (2022). ANTEPAR regulatory dossier.

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