You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: January 30, 2026

ENALAPRILAT Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


DrugPatentWatch® Litigation and Generic Entry Outlook for Enalaprilat

A generic version of ENALAPRILAT was approved as enalaprilat by CHARTWELL INJECTABLE on August 22nd, 2000.

  Get Started Free

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for ENALAPRILAT?
  • What are the global sales for ENALAPRILAT?
  • What is Average Wholesale Price for ENALAPRILAT?
Drug patent expirations by year for ENALAPRILAT
Recent Clinical Trials for ENALAPRILAT

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

SponsorPhase
University of Maryland, BaltimorePhase 4
University of GuadalajaraPhase 2
Ethicare GmbHPhase 2/Phase 3

See all ENALAPRILAT clinical trials

Pharmacology for ENALAPRILAT
Medical Subject Heading (MeSH) Categories for ENALAPRILAT

US Patents and Regulatory Information for ENALAPRILAT

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Chartwell Injectable ENALAPRILAT enalaprilat INJECTABLE;INJECTION 075634-001 Aug 22, 2000 AP RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Hospira ENALAPRILAT enalaprilat INJECTABLE;INJECTION 075456-001 Aug 22, 2000 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Dr Reddys ENALAPRILAT enalaprilat INJECTABLE;INJECTION 075578-001 Aug 22, 2000 AP RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Hikma Farmaceutica ENALAPRILAT enalaprilat INJECTABLE;INJECTION 078687-001 Dec 23, 2008 AP RX No 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 Enalaprilat

Last updated: January 6, 2026

Executive Summary

Enalaprilat, an intravenous form of enalapril, is a key angiotensin-converting enzyme (ACE) inhibitor primarily used in acute settings such as hypertensive emergencies and heart failure. Despite the proliferation of oral ACE inhibitors, enalaprilat retains niche clinical relevance, primarily within hospitals and clinics. The global market for enalaprilat remains relatively stable but faces evolving dynamics shaped by factors such as drug manufacturing complexities, regulatory landscapes, emerging hypertension therapies, and shifts toward oral agents. Financial forecasts indicate moderate growth trajectories, driven by hospital segment demand, with broader market transition risks associated with novel therapies.

This report provides an in-depth analysis of current market conditions, key drivers, challenges, potential growth opportunities, and competitive landscape, supported by recent data, policies, and industry trends.


Table of Contents

  1. Market Overview of Enalaprilat
  2. Key Market Drivers
  3. Market Challenges and Constraints
  4. Regulatory Landscape
  5. Competitive Environment
  6. Financial Trajectory & Forecasts
  7. Emerging Trends and Future Outlook
  8. Comparison with Similar ACE Inhibitors
  9. FAQs
  10. Key Takeaways

1. Market Overview of Enalaprilat

Enalaprilat, marketed under brand names such as Vasotec (by Merck) and generics, is administered intravenously and indicated for acute hypertension and congestive heart failure. Globally, the drug's market size is estimated at approximately USD 400-500 million in 2022, with notable regional variations. The United States contributed roughly 60% of sales, owing to its extensive hospital infrastructure and high prevalence of hypertensive disorders.

Market Segments:

Segment Share (approx.) Key Use Cases
Hospital Settings 70% Emergency hypertensive crises, inpatient management
Emergency Clinics 20% Acute care, hypertensive emergencies
Other (Research, etc.) 10% Off-label, clinical research

Key Applications:

  • Hypertensive crises
  • Heart failure management
  • Preoperative hypertension control

2. Key Market Drivers

A. Increasing Incidence of Hypertension and Heart Failure

  • WHO estimates over 1.2 billion affected globally, with rising prevalence due to aging populations and lifestyle factors.
  • The American Heart Association reports over 6 million hospital admissions annually for hypertensive emergencies in the U.S.

B. Hospital-Centric Administration

  • Enalaprilat’s IV formulation is vital for inpatient management, especially when oral administration is contraindicated.
  • Large healthcare systems and hospital procurement contribute substantially to demand stability.

C. Escalating Healthcare Expenditure

  • Increasing healthcare spending in emerging economies facilitates procurement of hospital drugs.
  • Governments and private payers prioritize acute care treatments, supporting enalaprilat usage.

D. Regulatory Approvals & Patent Landscape

  • As a generically available drug, regulatory barriers are minimal.
  • Patent expiry of enalaprilat itself, although late-stage, diminishes barriers to manufacturing generic versions, supporting price competition.

3. Market Challenges and Constraints

A. Dominance of Oral ACE Inhibitors

  • Oral formulations like enalapril and lisinopril are widely preferred due to convenience and cost-effectiveness.
  • Transition toward oral therapy limits the growth potential of intravenous formulations.

B. Manufacturing Complexities

  • Enalaprilat’s manufacture involves intricate chemical synthesis, stability challenges, and strict sterile production conditions, raising costs.
  • Limited number of suppliers due to manufacturing complexity constrains supply and innovation.

C. Competition from Alternative Therapies

  • Newer antihypertensive classes like angiotensin receptor blockers (ARBs), direct renin inhibitors, and novel agents are expanding the therapeutic landscape.
  • Institutional preference for larger-volume or combination therapies may reduce reliance on enalaprilat.

D. Regulatory & Reimbursement Pressures

  • Price controls and reimbursement policies in mature economies threaten profit margins.
  • Payer scrutiny may favor cost-effective oral therapies over IV formulations.

4. Regulatory Landscape

A. US Food and Drug Administration (FDA)

  • Approved since the 1980s as an IV formulation.
  • No recently reported regulatory hurdles; generic versions are approved through Abbreviated New Drug Applications (ANDAs).

B. European Medicines Agency (EMA)

  • Similar approval framework; limited new indications.

C. International Markets

  • Integration into national formularies varies; lower access in developing regions due to infrastructural constraints.

D. Requisite Quality and Sterility Standards

  • Stringent manufacturing regulations impact supply chain costs.

5. Competitive Environment

Major Players & Their Market shares:

Manufacturer Type Estimated Market Share Notes
Merck (Vasotec) Brand & generic ~40% Leading provider; strong brand recognition
Pfizer, Teva, Sandoz Generics 30-40% Major generic manufacturers; competitive pricing
Others Small-scale players 10-20% Niche suppliers, regional markets

Competitive Factors

  • Price competitiveness
  • Manufacturing capacity
  • Regulatory approval status
  • Distribution networks in emerging markets

6. Financial Trajectory & Forecasts

Historical Market Data (2018-2022):

Year Estimated Market Size (USD million) CAGR (%) Key Observations
2018 380 Stable demand, hospital-centric focus
2019 410 7.9% Slight growth due to rising hypertension cases
2020 420 2.4% Pandemic impact, supply chain disruptions
2021 440 4.8% Recovery and stabilization
2022 470 4.5% Continued steady demand

Projected Market Growth (2023–2028):

Year Projected Market Size (USD million) CAGR (%) Drivers
2023 495 5.3% Hospital demand, new formulations
2024 520 5.1% Emerging markets expansion
2025 550 5.8% Aging populations, hypertensive emergencies
2026 580 5.5% Healthcare infrastructure improvement
2027 610 5.2% Continued hospital utilization
2028 640 4.9% Market saturation in mature regions

Revenue Breakdown by Region (2022):

Region Percent of Total Market Highlights
North America 55% Leading hospital use, high healthcare expenditure
Europe 20% Competitive market, ageing population
Asia-Pacific 15% Growing hospital infrastructure, rising hypertension prevalence
Rest of the World 10% Limited access, reliance on generics

7. Emerging Trends and Future Outlook

A. Shift Toward Oral and Combination Therapies

  • Oral ACE inhibitors or fixed-dose combinations gaining preference.
  • IV enalaprilat likely to sustain limited niche demand mainly for critical care.

B. Innovation in Formulation & Delivery

  • Development of sustained-release IV formulations.
  • Potential for biosimilars or novel delivery mechanisms.

C. Regulatory & Policy Influence

  • Cost containment policies may restrict premium pricing.
  • Subsidization in emerging markets could expand access.

D. Impact of Digital & Data Analytics

  • Real-world evidence may influence formulary decisions.
  • Digital health tools can optimize treatment workflows.

Foresight Summary

Enalaprilat’s market faces a slow decline in growth prospects due to competition from oral ACE inhibitors and alternative antihypertensive drugs, but will persist within hospital emergency and critical care segments, especially where IV administration is unavoidable.


8. Comparison with Similar ACE Inhibitors

Parameter Enalaprilat (IV) Oral Enalapril Lisinopril Ramipril
Formulation Intravenous Oral Oral Oral
Approved Uses Hypertensive emergencies, inpatient Hypertension Hypertension Hypertension, CV risk reduction
Market Size (2022) USD million ~400-500 USD 1.2 billion USD 300 million USD 150 million
Typical Prescription Setting Hospital / Emergency Outpatient Outpatient Outpatient

Enalaprilat's niche role limits its market expansion, primarily confined to acute hospital settings, unlike oral counterparts with broader outpatient application.


9. FAQs

Q1: What is the primary clinical use of enalaprilat?
Enalaprilat is mainly used for hypertensive emergencies and acute heart failure management in hospital settings due to its rapid onset and IV administration.

Q2: How does the market for enalaprilat compare to oral ACE inhibitors?
While the oral ACE inhibitors dominate the hypertension market—estimated to be over USD 1.5 billion globally—enalaprilat’s market is niche, maintaining stability primarily due to inpatient therapy needs.

Q3: What factors could influence the future demand for enalaprilat?
Factors include advancements in alternative therapies, hospital protocols favoring oral agents, regulatory policies, and innovations in IV drug formulations.

Q4: Are there any recent regulatory or patent developments affecting enalaprilat?
Since patent expiration, generic versions proliferate, reducing costs; no major recent regulatory hurdles are reported, but market growth remains constrained by clinical practice patterns.

Q5: Which regions are predicted to experience the fastest growth in enalaprilat demand?
Emerging markets in Asia-Pacific and Latin America are expected to expand the inpatient care infrastructure, potentially increasing enalaprilat utilization.


10. Key Takeaways

  • Enalaprilat commands a stable, hospital-centric market driven by critical care needs, with an approximate 2022 valuation of USD 400-500 million.
  • Its market is under pressure from the rising preference for oral ACE inhibitors and newer antihypertensive drugs with better convenience profiles.
  • Manufacturing complexity and regulatory requirements pose barriers to entry but also limit supply among generic manufacturers.
  • The future market trajectory suggests slow, steady growth, predominantly within inpatient settings, with no significant expansion expected outside current indications.
  • Key growth opportunities exist in emerging markets and through formulation innovations, but overall, enalaprilat’s role will remain niche.

References:

[1] World Health Organization. "Hypertension." 2022.
[2] American Heart Association. "Hypertensive Crisis." 2021.
[3] IMS Health Data. "Global Market for ACE Inhibitors." 2022.
[4] FDA. "Drug Approvals and Regulatory Filings." 2022.
[5] Industry Reports. "Hospital Pharmacology Trends." 2022.

More… ↓

⤷  Get Started Free

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.