Last Updated: May 3, 2026

HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 100/50 Drug Patent Profile


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When do Hydralazine Hydrochloride W/ Hydrochlorothiazide 100/50 patents expire, and when can generic versions of Hydralazine Hydrochloride W/ Hydrochlorothiazide 100/50 launch?

Hydralazine Hydrochloride W/ Hydrochlorothiazide 100/50 is a drug marketed by Ivax Pharms and is included in one NDA.

The generic ingredient in HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 100/50 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 100/50
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 100/50

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 100/50 hydralazine hydrochloride; hydrochlorothiazide CAPSULE;ORAL 088358-001 Apr 10, 1984 DISCN No 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

Investment Scenario and Fundamentals Analysis for Hydralazine Hydrochloride with Hydrochlorothiazide 100/50

Last updated: February 13, 2026

Market Overview

Hydralazine hydrochloride combined with hydrochlorothiazide (brand or generic) is a formulation indicated for hypertension management, typically prescribed for patients requiring combination therapy. It addresses high blood pressure through vasodilation (hydralazine) and diuresis (hydrochlorothiazide).

The global antihypertensive drugs market reached approximately USD 44 billion in 2022, with a compounded annual growth rate (CAGR) of roughly 4.8% projected through 2028 [1].

Product Profile & Competitive Landscape

  • Drug Composition: Hydralazine hydrochloride (100 mg) + hydrochlorothiazide (50 mg)
  • Formulation: Oral tablets, often prescribed for resistant hypertension.
  • Market Players: Multiple generic manufacturers dominate, including Teva, Mylan, and Sun Pharma.
  • Pricing Dynamics: Prices vary by region and patent status; generics generally decrease prices over time.

Development & Regulatory Pathway

  • Regulatory Status: The drug is typically approved via FDA's 505(b)(2) pathway, leveraging existing data.
  • Patent Trends: Current formulations often face patent expiry, encouraging generic entry.
  • Manufacturing Complexity: Standard manufacturing process; no significant chemical synthesis hurdles.

Market Entry & Revenue Potential

  • Target Markets: U.S., Europe, and emerging markets where hypertension prevalence is rising.
  • Pricing Assumption: U.S. average wholesale price (AWP) for combination therapy is approximately USD 0.10–0.30 per tablet.
  • Market Share Potential: With a modest market penetration (e.g., 1-2%), revenues could scale to USD 50–150 million annually per regional market.

Investment Considerations

  • Growth Drivers: Rising hypertension rates, aging populations, and demand for cost-effective generic therapies.
  • Risks: Market saturation, regulatory delays, and pricing pressures in healthcare systems.
  • Development Costs: Low to moderate, primarily manufacturing validation and regulatory fees.
  • Time to Market: Typically 1-2 years post-approval, assuming regulatory clearance.

Competitive Differentiation & Strategy

  • Differentiation: Focus on manufacturing efficiency, formulation stability, and cost leadership.
  • Partnerships: Collaborations with established generic companies for accelerated market access.
  • Pricing Strategy: Competitive pricing aligned with existing generics to ensure rapid adoption.

Financial Implications

  • Cost of Goods Sold (COGS): Estimated USD 0.02–0.05 per tablet, given bulk manufacturing.
  • Gross Margin: Can be around 70–80% for generics.
  • ROI Timeline: Potential short-term ROI within 2-3 years if launched effectively in high-volume markets.

Regulatory & Market Risks

  • Regulatory delays could extend time-to-market.
  • Price erosion from generic competition may reduce profitability.
  • Market access restrictions, especially in heavily regulated regions, could pose hurdles.

Sustainability & Patent Landscape

  • No current patents protecting the specific combination; generic entry is streamlined.
  • Sustainability depends on continuous supply chain management and adherence to quality standards.

Key Takeaways

  • The product sits in a mature, competitive market with significant volume potential.
  • Cost-effective manufacturing and strategic market entry are critical.
  • Regulatory pathways are well established, but patent expiry accelerates generic competition.
  • The primary investment value lies in developing a reliable supply chain and entering high-demand regions early.

FAQs

1. What is the primary driver of demand for this combination drug?
Increasing hypertension prevalence among aging populations globally.

2. How does patent expiration impact the investment?
It facilitates generic manufacturing, increasing competition and pressuring prices but reduces R&D expenses.

3. What are the main regulatory hurdles?
Obtaining approval through the FDA's 505(b)(2) pathway or equivalent via other agencies; ensuring bioequivalence and manufacturing compliance.

4. Can pricing pressure significantly affect profitability?
Yes, especially in regions with strict price controls or aggressive local generic competition.

5. Is clinical development required for market entry?
Typically, no; existing data on the branded products suffices, focusing development on manufacturing and registration.


References

[1] MarketsandMarkets, "Antihypertensive Drugs Market," 2022.

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