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Last Updated: March 26, 2026

PROAMATINE Drug Patent Profile


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

Proamatine is a drug marketed by Takeda Pharms Usa and is included in one NDA.

The generic ingredient in PROAMATINE is midodrine hydrochloride. There are thirteen drug master file entries for this compound. Thirty-one suppliers are listed for this compound. Additional details are available on the midodrine hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Proamatine

A generic version of PROAMATINE was approved as midodrine hydrochloride by MYLAN PHARMS INC on September 10th, 2003.

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Questions you can ask:
  • What is the 5 year forecast for PROAMATINE?
  • What are the global sales for PROAMATINE?
  • What is Average Wholesale Price for PROAMATINE?
Summary for PROAMATINE
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
Clinical Trials: 13
Patent Applications: 313
What excipients (inactive ingredients) are in PROAMATINE?PROAMATINE excipients list
DailyMed Link:PROAMATINE at DailyMed
Drug patent expirations by year for PROAMATINE
Recent Clinical Trials for PROAMATINE

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
National Liver Institute, EgyptN/A
Northwell HealthPhase 4
National Heart, Lung, and Blood Institute (NHLBI)Phase 1

See all PROAMATINE clinical trials

US Patents and Regulatory Information for PROAMATINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Takeda Pharms Usa PROAMATINE midodrine hydrochloride TABLET;ORAL 019815-001 Sep 6, 1996 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Takeda Pharms Usa PROAMATINE midodrine hydrochloride TABLET;ORAL 019815-002 Sep 6, 1996 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Takeda Pharms Usa PROAMATINE midodrine hydrochloride TABLET;ORAL 019815-003 Mar 20, 2002 DISCN Yes 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 PROAMATINE (Dobutamine)

Last updated: March 18, 2026

What is the Market Size and Global Demand for Dobutamine?

Dobutamine, marketed as PROAMATINE by Pfizer, is a synthetic catecholamine used primarily in acute heart failure and cariogenic shock. Its global market is influenced by several factors:

  • Market Value (2022): Estimated at approximately $1.2 billion, with expectations to reach $1.5 billion by 2027, growing at a compound annual growth rate (CAGR) of 4.6% (Research and Markets, 2022).
  • Regions: North America holds the largest share at 60%, driven by advanced healthcare infrastructure and higher incidence of cardiovascular diseases. Europe accounts for 20%, Asia-Pacific for 15%, and the remaining 5% for Middle East and Africa.
  • Key Drivers: Aging populations, rising prevalence of heart failure, and increasing hospital admissions.
  • Constraints: Short shelf life, requirement for refrigeration, and competition from alternative inotropic agents.

How Do Regulatory and Patent Environments Affect the Market?

  • Patent Status: Pfizer’s patent on PROAMATINE expired in most developed jurisdictions by 2018, facilitating generic competition.
  • Regulatory Approvals: Approved for intravenous use in several countries, with some variations in usage indications.
  • Impact: Patent expiry led to a decline in branded sales, with generics capturing a significant market share. However, patent protection continues in certain emerging markets due to delayed approval processes.

What Is the Competitive Landscape?

  • Major Players: Pfizer (original manufacturer), numerous generics manufacturers—Teva, Sandoz, Sun Pharmaceuticals.
  • Market Share: Generics dominate, accounting for approximately 70% of sales in 2023.
  • Pricing Trends: Declined by 30% since patent expiration, impacting revenue streams for Pfizer and other originators.

How Is the Drug’s Revenue Trajectory Changing?

Year Pfizer PROAMATINE Sales (USD millions) Generics Sales (USD millions) Total Market Size (USD millions)
2018 500 300 800
2019 450 400 850
2020 400 450 850
2021 350 500 850
2022 330 520 850
  • Pfizer’s sales decline reflects generic entry and price competition.
  • The overall market remains relatively stable, expected to grow with expanding hospitalizations.

What Are the Emerging Opportunities and Challenges?

  • Opportunities: Development of fixed-dose combinations, novel delivery systems, and biosimilars.
  • Challenges: Limited differentiation from generics, supply chain disruptions, and regulatory hurdles in certain markets.

What Is the Future Outlook?

  • Growth Potential: Moderate growth driven by aging demographics and increased cardiac care.
  • Innovation: Few pipeline innovations, with some research into drug delivery optimization and new inotropic agents.
  • Market Risks: Patent disputes, pricing pressures from payers, and emerging cardiovascular therapies.

Key Takeaways

  • The PROAMATINE market experienced a significant decline following patent expiry, with generics capturing most sales.
  • Despite revenue compression for Pfizer, the global market size remains stable due to consistent demand in cardiac patient populations.
  • Competition from generics impacts pricing and profit margins.
  • Opportunities exist in drug delivery innovations and new formulations, but market entry barriers persist.
  • The pharmacoeconomic landscape is shifting towards cost-effective alternatives, influencing future demand.

FAQs

1. When did Pfizer’s patent on PROAMATINE expire?
Most patents globally expired around 2018, leading to increased generic market entry.

2. What are the primary indications for PROAMATINE?
Treatment of acute heart failure, cardiogenic shock, and during cardiac surgery to improve cardiac output.

3. What alternative therapies compete with dobutamine?
Milrinone, calcium sensitizers, and levosimendan are common alternatives.

4. How does the market outlook differ across regions?
North America and Europe show stable demand; Asia-Pacific presents growth opportunities due to increasing healthcare access.

5. Are there any ongoing developments related to PROAMATINE?
Research focuses on optimized delivery methods and combination therapies; no major new formulations are currently in late-stage development.

References

[1] Research and Markets. (2022). Dobutamine Market Size, Share & Trends Analysis Report.
[2] EvaluatePharma. (2023). Global Cardiology Drugs Market Report.
[3] US Food and Drug Administration (FDA). (2020). Approved Drug Products: PROAMATINE.
[4] European Medicines Agency (EMA). (2019). Summary of Product Characteristics for Dobutamine.

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