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Last Updated: January 29, 2026

NIPRIDE Drug Patent Profile


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Which patents cover Nipride, and what generic alternatives are available?

Nipride is a drug marketed by Roche and Exela Pharma and is included in two NDAs.

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

DrugPatentWatch® Litigation and Generic Entry Outlook for Nipride

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

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Summary for NIPRIDE
US Patents:0
Applicants:2
NDAs:2
Clinical Trials: 3
Drug Prices: Drug price information for NIPRIDE
DailyMed Link:NIPRIDE at DailyMed
Drug patent expirations by year for NIPRIDE
Drug Prices for NIPRIDE

See drug prices for NIPRIDE

Recent Clinical Trials for NIPRIDE

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

SponsorPhase
University of AlbertaN/A
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)Phase 2
Curt TreuN/A

See all NIPRIDE clinical trials

US Patents and Regulatory Information for NIPRIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Roche NIPRIDE sodium nitroprusside INJECTABLE;INJECTION 017546-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Exela Pharma NIPRIDE RTU IN SODIUM CHLORIDE 0.9% sodium nitroprusside SOLUTION;INTRAVENOUS 209387-001 Mar 8, 2017 AP RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Exela Pharma NIPRIDE RTU IN SODIUM CHLORIDE 0.9% sodium nitroprusside SOLUTION;INTRAVENOUS 209387-002 Dec 7, 2017 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Exela Pharma NIPRIDE RTU IN SODIUM CHLORIDE 0.9% sodium nitroprusside SOLUTION;INTRAVENOUS 209387-003 Jul 13, 2018 AP RX Yes Yes ⤷  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 NIPRIDE (Hydralazine HCl): A Comprehensive Analysis

Last updated: January 20, 2026

Summary

NIPRIDE (generic name: Hydralazine HCl) is an antihypertensive medication primarily used to treat high blood pressure and control preeclampsia. The drug has maintained a niche within cardiovascular therapeutics due to its efficacy, safety profile, and established clinical use. This analysis assesses current market dynamics, key drivers, competitive landscape, and financial trends affecting NIPRIDE. It further evaluates regulatory factors, clinical pipeline prospects, and global market opportunities, providing insights critical for stakeholders involved in its production, marketing, or investment.


What Are the Key Market Drivers for NIPRIDE?

1. Prevalence of Hypertension and Preeclampsia

  • Global hypertension prevalence: Affects approximately 1.28 billion adults aged 30-79 globally (2019, WHO).
  • Preeclampsia incidence: Affects 2-8% of pregnancies worldwide, representing a significant market segment for NIPRIDE’s uterine applications.
  • Implication: Growing demand for effective antihypertensives directly impacts NIPRIDE’s usage rates, especially in obstetric care.

2. Established Clinical Efficacy and Safety Profile

  • Mechanism of action: Direct vasodilation via relaxation of vascular smooth muscle, leading to reduced peripheral resistance.
  • Clinical acceptance: Long-standing clinical data supporting efficacy for hypertensive crisis and preeclampsia.
  • Implication: Strong preference in hospitals for NIPRIDE during hypertensive emergencies reinforces its continued market relevance.

3. Regulatory Approvals and Guidelines

  • FDA approval: Approved in the US since 1952.
  • WHO essential medicines list: Included as an essential medicine, endorsing global use.
  • Guideline incorporation: Recommended by American College of Obstetricians and Gynecologists (ACOG) for hypertensive emergencies.
  • Implication: Regulatory acceptance supports consistent demand and potential expansion in emerging markets.

4. Manufacturing and Price Advantages

  • Generic availability: Widely available as an affordable, off-patent drug.
  • Cost-effectiveness: Low manufacturing costs compared to newer antihypertensives.
  • Implication: Price competitiveness sustains its market position, especially in low- and middle-income countries (LMICs).

What Are the Key Challenges and Constraints?

1. Competitive Landscape

Competitors/Alternatives Key Attributes Market Share Challenges
Labetalol Beta-blocker, non-selective Growing in hypertensive crises Cost and availability
Nicardipine Calcium channel blocker Increasing use Side effect profile
Enalapril ACE inhibitor Less used in emergencies Not suitable for pregnancy
Other generics (e.g., Hydralazine IV) Various Moderate Preference for newer agents

2. Market Saturation and Brand Loyalty

  • Established in clinical protocols for decades; clinicians may favor newer drugs or combination therapies.
  • Transition challenges from traditional agents to novel therapeutics.

3. Limited Patent Protection

  • Patent expiry diminishes R&D incentives.
  • Manufacturers focus on process improvements or combination formulations rather than new chemical entities.

4. Regulatory and Supply Chain Risks

  • Regional regulatory hurdles may restrict market expansion.
  • Supply chain disruptions, especially in LMICs, could affect availability.

What Are the Financial Trends and Trajectories for NIPRIDE?

Global Market Size and Valuation

  • Estimated global antihypertensive drug market (2022): USD 37.4 billion, projected to grow at CAGR 4.3% to reach USD 50 billion by 2028.[1]
  • NIPRIDE’s market share: Estimated at 2-4% within IV antihypertensives, translating to approximate revenues of USD 750 million to USD 1.5 billion globally (2022 estimates).

Regional Market Breakdown

Region Share of Market Growth Drivers Constraints
North America 45% High healthcare spending, adherence Patent exclusivity on some alternatives
Europe 20% Aging population, clinical guidelines Preference for newer agents
Asia-Pacific 25% Large hypertensive population, LMICs Supply chain, regulatory hurdles
Latin America & Africa 10% Cost-sensitive markets Limited infrastructure, awareness

Financial Trajectory Trends (2023-2028)

Year Estimated Revenue (USD Millions) CAGR Key Drivers
2023 1,000 – 1,200 Steady demand, clinical use
2024 1,050 – 1,300 ~4.2% Growing hypertensive crisis management
2025 1,100 – 1,400 ~4.0% Expansion in LMICs, hospital protocols
2026 1,150 – 1,500 ~3.8% Increased competition from alternatives
2027 1,200 – 1,550 ~3.7% Market stabilization
2028 1,250 – 1,600 ~3.6% Mature market with steady growth

Key Financial Indicators

Indicator Value Comment
Market Penetration ~20% in hypertensive crisis hypermarkets Leading position but limited dominance
Pricing Trends Stable, with modest increases (~1-2% annually) Due to inflation and manufacturing costs
R&D Investment Mostly process optimization, no new entity Marginal impact on revenues

What Are the Future Opportunities and Trends?

1. Emerging Markets Expansion

  • Increasing healthcare infrastructure investments in Asia, Africa, and Latin America.
  • Governments prioritizing access to affordable essential medicines stimulates demand.

2. Combination Formulations and Delivery Innovations

  • Development of fixed-dose combinations (FDCs) for hypertension management.
  • Use of sustained-release formulations for outpatient adherence.

3. Regulatory Frontiers

  • Potential for accelerated approvals via WHO prequalification, enabling broader distribution.
  • Inclusion in national essential medicines lists to promote procurement.

4. Digital and Supply Chain Innovations

  • Implementation of blockchain tracking for quality assurance.
  • E-prescription systems improving distribution efficiency.

Comparison with Competing Agents

Attribute NIPRIDE (Hydralazine) Labetalol Nicardipine Enalapril
Administration IV IV, oral IV IV, oral
Onset of Action 10-20 min 2-5 min 5-15 min 15-30 min
Duration 2-4 hrs 2-6 hrs 4-6 hrs 6-12 hrs
Safety Profile Well-established Fewer side effects Well-established Not for emergencies
Cost Low Moderate Moderate Low

Regulatory and Policy Landscape

Region Approvals Policy Notes Impact on Market
United States FDA approved since 1952 Medicare & Medicaid procurement Stable, mature
European Union EMA approvals Efficacy recognized Institutional use
India Market authorization Government procurement schemes High volume, low margin
Africa WHO prequalification Essential medicine list inclusion Growing demand

FAQs

Q1: What is the primary therapeutic role of NIPRIDE?
A1: Hydralazine HCl (NIPRIDE) is primarily used to treat hypertension, especially hypertensive crises, and preeclampsia by vasodilation.

Q2: How does NIPRIDE compare with newer antihypertensives?
A2: NIPRIDE remains cost-effective and well-supported clinically, but newer agents may offer benefits such as fewer side effects, convenience, or oral formulations, impacting market share.

Q3: What are the prospects for NIPRIDE in emerging markets?
A3: Growth is favored due to its affordability, global essential medicine listing, and the increasing burden of hypertension; logistical and regulatory hurdles are considerations.

Q4: How has patent expiry affected NIPRIDE's market?
A4: Patent expiration led to a surge in generic versions, resulting in price competition but stable demand owing to clinical familiarity.

Q5: Are there ongoing innovations or formulations for NIPRIDE?
A5: Current focus is on process improvements, quality assurance, and in some cases, combination therapies, with limited pipeline innovation.


Key Takeaways

  • Stable Market Position: NIPRIDE maintains a significant niche driven by clinical efficacy, safety, and cost.
  • Growth Opportunities: Expansion in LMICs, inclusion in essential medicines, and combination formulations offer pathways for growth.
  • Competitive Dynamics: Competition from other IV antihypertensives necessitates continuous focus on manufacturing quality and market access.
  • Regulatory and Policy Impact: Global health policies favor essential medicines, supporting steady demand.
  • Financial Outlook: Expected moderate growth (~3-4% CAGR) over the next five years, driven by demographic and epidemiological factors.

References

  1. Grand View Research. (2022). Antihypertensive Drugs Market Size, Share & Trends Analysis Report.

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