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Last Updated: December 16, 2025

HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25 Drug Patent Profile


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When do Hydralazine Hydrochloride W/ Hydrochlorothiazide 25/25 patents expire, and what generic alternatives are available?

Hydralazine Hydrochloride W/ Hydrochlorothiazide 25/25 is a drug marketed by Ivax Pharms and is included in one NDA.

The generic ingredient in HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25 is hydralazine hydrochloride; hydrochlorothiazide. There are twenty-one drug master file entries for this compound. Additional details are available on the hydralazine hydrochloride; hydrochlorothiazide profile page.

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Summary for HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25
Drug patent expirations by year for HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25
Recent Clinical Trials for HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25

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SponsorPhase
Vanderbilt University Medical CenterPhase 4
National Center for Research Resources (NCRR)Phase 4
Vanderbilt University Medical CenterPhase 1

See all HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25 clinical trials

US Patents and Regulatory Information for HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Ivax Pharms HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25 hydralazine hydrochloride; hydrochlorothiazide CAPSULE;ORAL 088356-001 Apr 10, 1984 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 Hydralazine Hydrochloride with Hydrochlorothiazide 25/25

Last updated: July 29, 2025

Introduction

Hydralazine Hydrochloride with Hydrochlorothiazide 25/25 combines a direct vasodilator with a diuretic, used primarily for managing hypertension. The drug's unique mechanism addresses multiple pathways of blood pressure regulation, providing clinicians with a dual-action therapeutic. The market for this combination drug has seen fluctuating dynamics influenced by evolving regulatory landscapes, clinical guidelines, and competition.

This analysis explores the market forces shaping the drug’s trajectory and its projected financial landscape, emphasizing factors such as demand drivers, competitive environment, regulatory considerations, and potential expansion opportunities.


Market Overview and Demand Drivers

Chronic Hypertension Treatment:
Hypertension remains a prevalent global health concern, with estimates indicating over 1.13 billion people affected worldwide [1]. Combination therapies such as Hydralazine with Hydrochlorothiazide are often prescribed when monotherapy fails. Their role in achieving target blood pressure levels makes them indispensable, contributing to steady demand.

Efficacy and Patient Compliance:
The pharmacological benefits of combining vasodilators with diuretics—reducing pill burden and improving adherence—enhance their clinical utility. As adherence concerns intensify, healthcare providers favor fixed-dose combinations, positively influencing market demand.

Aging Populations:
Demographic shifts towards aging populations globally forecast increased prevalence of hypertension, especially in emerging markets. This demographic trend supports long-term growth prospects for antihypertensive combination therapies, including Hydralazine Hydrochloride with Hydrochlorothiazide.

Regional Variations:
Market penetration varies, with North America and Europe exhibiting high prescription rates aligned with robust healthcare infrastructure. Conversely, growth in Asia-Pacific and Latin America hinges on increasing healthcare access and hypertension awareness campaigns.


Competitive Landscape

Established Brands and Generics:
Numerous pharmaceutical companies market hydralazine-based combination drugs. Patent expirations have led to a surge in generic formulations, intensifying price competition and squeezing margins for branded counterparts.

Innovation and Formulation Development:
While some competitors focus on fixed-dose formulations with improved pharmacokinetics or reduced side effects, the core market remains commoditized. Innovative delivery systems—such as controlled-release formulations—may provide new differentiation avenues.

Regulatory Barriers:
Generic entry is facilitated by regulatory pathways like abbreviated new drug applications (ANDAs), enhancing market competition. However, strict quality standards remain a barrier for some regional markets, impacting post-exclusivity pricing and availability.


Regulatory Environment

Approval and Reimbursement:
The drug's regulatory approvals are critical, especially in regions with stringent agencies like the FDA (U.S.) and EMA (Europe). Reimbursement policies heavily influence market uptake, particularly in publicly funded healthcare systems.

Patent and Exclusivity Climate:
The absence of recent patent protections for Hydralazine-Hydrochlorothiazide combination drugs has led to increased generic competition, impacting revenue potential for original manufacturers.

Regulatory Trends:
Emerging trends favoring biosimilars and improved transparency may influence future approvals and market dynamics. Additionally, evolving guidelines emphasizing evidence-based prescribing could shift formularies toward or away from certain combination therapies.


Market Challenges and Risks

  • Price Erosion:
    The proliferation of generics exerts downward pressure on prices, threatening profit margins.

  • Market Saturation:
    In mature markets, growth rates have plateaued, prompting a focus on switching and adherence strategies rather than volume expansion.

  • Alternative Therapies:
    Newer antihypertensives and novel mechanisms—such as endothelin receptor antagonists—pose competitive threats, potentially displacing traditional combinations.

  • Regulatory and Policy Shifts:
    Healthcare reforms emphasizing cost-effectiveness can limit formulary inclusion for older drugs, affecting sales.


Financial Trajectory and Outlook

Revenue Trends:
Current revenues are expected to stabilize or decline slightly in mature markets due to commoditization. However, emerging markets offer opportunities due to increasing hypertension prevalence and expanding healthcare infrastructure.

Pricing Strategies:
Manufacturers are increasingly adopting value-based pricing, balancing profitability with market access. Tiered pricing models may be employed to penetrate low-income regions.

Market Expansion and Growth Potential:
Potential exists in developing new formulations—such as extended-release variants—delivering improved patient compliance and differentiation. Moreover, strategic partnerships for expanded manufacturing capacity or licensing can enhance revenue streams.

Forecasts:
According to market research, global sales of antihypertensive combination drugs are projected to grow at a CAGR of approximately 4–6% over the next five years [2]. Hydralazine Hydrochloride with Hydrochlorothiazide, particularly in emerging markets, stands to benefit from this trend, assuming favorable regulatory and competitive conditions.


Conclusion and Strategic Implications

The market for Hydralazine Hydrochloride with Hydrochlorothiazide 25/25 remains viable, driven by persistent demand for antihypertensive therapies amidst demographic shifts. While patent expiries and rising generics threaten profitability, opportunities exist in emerging markets, formulation innovation, and strategic partnerships.

Manufacturers should prioritize demonstrating clinical value, engaging with policymakers to secure formulary placement, and innovating delivery methods to sustain growth. Monitoring regulatory developments and adjusting pricing strategies will be critical in navigating price pressures.


Key Takeaways

  • Global demand for antihypertensive combination therapies remains robust, with significant growth in emerging markets.
  • Generic competition has increased, pressuring prices but also expanding access.
  • Innovation in formulation and delivery offers differentiation and potential revenue uplift.
  • Regulatory and reimbursement landscapes are critical, requiring proactive engagement with authorities.
  • Strategic focus on expanding into underserved regions and leveraging partnerships will underpin future financial growth.

FAQs

1. What are the primary factors influencing the market for Hydralazine Hydrochloride with Hydrochlorothiazide?

Demand drivers include the high prevalence of hypertension worldwide, the clinical efficacy of combination therapy, and demographic shifts towards aging populations. Competition from generics and regulatory changes significantly influence market dynamics.

2. How does patent expiration affect the drug’s market potential?

Patent expiry typically leads to a surge in generic entries, intensifying price competition. While this reduces revenue per unit, it increases overall market volume, especially in price-sensitive regions.

3. What opportunities exist for growth beyond traditional markets?

Emerging markets with increasing healthcare access and rising hypertension rates present substantial opportunities. Innovation in formulations, such as extended-release versions, can also boost sales.

4. How can manufacturers navigate pricing pressures in this segment?

Implementing value-based pricing, engaging in early regulatory planning, and leveraging clinical data to demonstrate cost-effectiveness can help justify sustained pricing levels.

5. What role do regulatory agencies play in shaping the market trajectory?

Regulatory agencies influence market access through approval processes, quality standards, and reimbursement policies. Navigating these effectively is essential for expanding market presence and ensuring compliance.


References

[1] World Health Organization. Hypertension. WHO Publications. 2021.
[2] MarketsandMarkets. Hypertension Drugs Market Forecast. 2022.

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