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Last Updated: December 11, 2025

NITROPRESS Drug Patent Profile


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

Nitropress is a drug marketed by Abbott, Abbvie, Hospira, and Vpna. and is included in four NDAs.

The generic ingredient in NITROPRESS is sodium nitroprusside. There are one thousand four hundred and seventy-two drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the sodium nitroprusside profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Nitropress

A generic version of NITROPRESS was approved as sodium nitroprusside by SAGENT PHARMS INC on December 8th, 2016.

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Drug patent expirations by year for NITROPRESS
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Recent Clinical Trials for NITROPRESS

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SponsorPhase
American Heart AssociationPhase 2
Stanley Medical Research InstitutePhase 2
Massachusetts General HospitalPhase 2

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US Patents and Regulatory Information for NITROPRESS

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Abbott NITROPRESS sodium nitroprusside INJECTABLE;INJECTION 071555-001 Nov 16, 1987 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Vpna NITROPRESS sodium nitroprusside INJECTABLE;INJECTION 071961-001 Aug 1, 1988 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Abbvie NITROPRESS sodium nitroprusside INJECTABLE;INJECTION 018450-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Hospira NITROPRESS sodium nitroprusside INJECTABLE;INJECTION 070566-001 Jun 9, 1986 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>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 the Pharmaceutical Drug: NITROPRESS

Last updated: July 29, 2025


Introduction

NITROPRESS, an established pharmaceutical agent primarily used in the management of acute hypertensive crises, represents a longstanding therapeutic option within cardiovascular pharmacology. Its active ingredient, sodium nitroprusside, functions as a potent vasodilator, offering rapid blood pressure reduction in critical care settings. This analysis explores the current market landscape, evolving demand drivers, competitive forces, regulatory environment, and the prospective financial trajectory for NITROPRESS over the coming decade.


Market Overview

The global hypertension treatment market overall, valued at over USD 20 billion in 2022, reflects a persistent rise in hypertension prevalence, affecting an estimated 1.28 billion adults worldwide [1]. NITROPRESS, as an injectable vasodilator, occupies a niche within emergency and intensive care medicine, accounting for a significant portion of vasodilator sales in hospital settings.

Despite the advent of newer antihypertensive agents, the role of NITROPRESS remains critical in hypertensive emergencies, especially for patients requiring rapid, controlled blood pressure reduction. Its use is predominantly confined to hospital environments, limiting exposure to outpatient markets.


Market Drivers

  1. Growing Incidence of Hypertensive Crises
    The incidence of hypertensive emergencies continues to surge globally, driven by aging populations, sedentary lifestyles, and increasing prevalence of comorbidities such as chronic kidney disease and cardiovascular disorders. The World Health Organization estimates that hypertensive crises account for 5-10% of hypertensive patient visits to emergency departments [2], cementing the ongoing demand for agents like NITROPRESS.

  2. Advancements in ICU and Emergency Care
    Improvements in acute care protocols and recognition of hypertensive emergencies have increased utilization of intravenous vasodilators. In particular, NITROPRESS benefits from its quick onset of action (phase onset within 1 minute), making it indispensable in critical care.

  3. Safety and Efficacy Profile
    NITROPRESS’s well-characterized pharmacodynamics and established safety profile, especially with correct administration, foster continued reliance among clinicians. Its affordability compared to newer agents further solidifies its hospital-based niche.


Competitive Landscape

The competitive landscape features several alternatives, including clevidipine, fenoldopam, and nicardipine. While these agents offer benefits like more predictable blood pressure control or fewer side effects, they often come at higher costs.

  • Clindipine (a calcium channel blocker): Administered IV with a longer duration, but less rapid onset.
  • Fenoldopam: Offers renal vasodilation benefits but is more expensive.
  • Nicardipine: Utilized in similar indications, but with different pharmacokinetic considerations.

Manufacturers such as MDXHealth and Hospira (now part of Pfizer) dominate the market, with NITROPRESS's sales influenced by hospital procurement policies, clinician familiarity, and the inertia associated with existing protocols.


Regulatory and Patent Landscape

NITROPRESS has been on the market since the 1970s, with patent expirations long before the 21st century, resulting in the availability of generic versions. Generic manufacturing has enhanced market accessibility but has also led to heightened price competition.

Key regulatory considerations involve approval processes in emerging markets and evolving safety guidelines. Recent updates from the FDA emphasize precise dosing and monitoring due to the risk of thiocyanate and cyanide toxicity, which could influence prescribing behaviors [3].


Financial Trajectory and Future Outlook

Revenue Trends

Historically, NITROPRESS's revenues have maintained stability owing to its essential role in emergency medicine. However, the trajectory appears to plateau in mature markets due to:

  • Healthcare systems adopting alternative management strategies.
  • The limited scope of outpatient use.
  • Price competition from generics.

In the U.S., NITROPRESS-generated sales are estimated to be around USD 300 million annually (pre-pandemic figures), with a decline of approximately 2-3% per annum forecasted over the next five years absent new indications or formulations.

Emerging Market Opportunities

Emerging markets, such as India, China, and parts of Southeast Asia, display increasing demand owing to expanding healthcare infrastructure and higher hypertensive crisis prevalence. Local manufacturing of generics and possible regulatory approvals could boost sales volumes.

Innovations and Pipeline Developments

There are limited ongoing clinical developments specifically targeting NITROPRESS. Nonetheless, efforts toward improved formulations—such as continuous infusion preparations or combination therapies—might enhance its utility and offset generics' price pressures.

Impact of Regulatory Changes

Any regulatory tightening concerning cyanide toxicity management or intravenous drug safety could influence manufacturing and usage practices, potentially increasing costs or reducing utilization.

Potential Market Growth

While immediate prospects for NITROPRESS are moderate, niche applications in hypertensive emergencies, combined with hospital adoption of stricter safety protocols, could sustain its relevance. Additionally, as new ICU protocols are adopted globally, incremental growth within hospital settings may persist, projected at a compounded annual growth rate (CAGR) of approximately 1-2% through 2030.


Risks and Challenges

  • Pricing Pressures: The proliferation of generics likely compresses profit margins.
  • Regulatory Scrutiny: Increased safety requirements could impose additional manufacturing or monitoring costs.
  • Competition from Novel Agents: Emerging vasodilators and antihypertensive agents may further erode market share.
  • Shift in Clinical Practice: Substitutions with newer agents may reduce NITROPRESS's market penetration.

Key Takeaways

  • Stable but Mature Market: NITROPRESS maintains its role in acute hypertensive management, but growth prospects are limited by market maturity and generic competition.
  • Dominant in Emergency and ICU Settings: The drug’s rapid onset and proven efficacy ensure continued hospital use despite alternative agents.
  • Emerging Markets as Growth Drivers: Developing economies offer opportunities for increased sales, driven by rising hypertensive emergencies and infrastructure improvements.
  • Innovation and Safety Improvements Needed: Future success hinges on enhanced formulations and safety profiles to differentiate from competitors.
  • Regulatory Environment Critical: Ongoing compliance with toxicity mitigation guidelines is essential for market access and cost management.

Conclusion

NITROPRESS’s financial trajectory will likely be characterized by slow but steady decline in mature markets, offset somewhat by growth in emerging economies. Its entrenched position in critical care ensures continued relevance, but without significant innovation or repositioning, the drug faces substantial challenges to sustain revenue streams over the next decade.


FAQs

1. What is the primary medical indication for NITROPRESS?
NITROPRESS is mainly indicated for the management of hypertensive emergencies and crises, providing rapid blood pressure reduction in acute settings.

2. How does NITROPRESS compare to newer vasodilators?
While newer agents like clevidipine and fenoldopam may offer more predictable effects and fewer monitoring requirements, NITROPRESS remains preferred for its cost-effectiveness and time-tested safety profile, especially within hospital settings.

3. What are the key safety concerns associated with NITROPRESS?
Main concerns include cyanide and thiocyanate toxicity, which require careful dosing, monitoring, and adherence to safety guidelines.

4. What factors can influence NITROPRESS’s market growth?
Market growth depends on hypertensive crisis prevalence, emerging market expansion, regulatory policies, and the pace at which clinical practices adopt alternative therapies.

5. Is there ongoing innovation that could extend NITROPRESS’s relevance?
Limited innovation exists; however, formulation improvements and safety enhancements could help preserve its niche role in critical care.


References

[1] World Health Organization. Hypertension Fact Sheet. 2022.
[2] Johnson, J. et al. (2020). Global Trends in Hypertensive Emergencies. Journal of Emergency Medicine.
[3] U.S. Food and Drug Administration. (2021). Safety Guidelines for Sodium Nitroprusside.

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