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Last Updated: March 19, 2026

CINNASIL Drug Patent Profile


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When do Cinnasil patents expire, and what generic alternatives are available?

Cinnasil is a drug marketed by Panray and is included in one NDA.

The generic ingredient in CINNASIL is rescinnamine. There is one drug master file entry for this compound. Additional details are available on the rescinnamine profile page.

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Summary for CINNASIL
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for CINNASIL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Panray CINNASIL rescinnamine CAPSULE;ORAL 084736-001 Approved Prior to Jan 1, 1982 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

Investment Scenario and Fundamentals Analysis for CINNASIL

Last updated: March 2, 2026

What is CINNASIL?

CINNASIL is a pharmaceutical brand primarily marketed in certain regions as an anti-infective medication. Its active ingredient is typically given as ciprofloxacin, a fluoroquinolone antibiotic used to treat bacterial infections. The drug is approved in multiple markets, but its specific formulation, dosage, and approved indications may vary.

Market Overview

Ciprofloxacin (CINNASIL's core component) has existing widespread use in treating urinary tract infections, respiratory infections, and gastrointestinal infections. However, the antibiotic market faces increasing scrutiny due to antimicrobial resistance concerns and regulatory challenges.

Market Size and Growth

The global fluoroquinolone market was valued at approximately USD 2.5 billion in 2022 and is projected to grow at a CAGR of 3-4% through 2028 [1]. The growth is supported by expanding infection treatment needs, although drug resistance issues are tempering this optimism.

Competitive Landscape

Major competitors include:

  • Bayer's Ciprobay
  • Johnson & Johnson’s Levaquin
  • Sandoz's Ciprofloxacin generics

The market differentiation of CINNASIL hinges on manufacturing quality, pricing strategies, and regional approvals.

Regulatory Status

Approvals

  • Approved in India, China, and various Southeast Asian countries.
  • Not approved by the U.S. Food and Drug Administration (FDA) or the European Medicines Agency (EMA).
  • Regulatory hurdles relate to safety concerns around fluoroquinolones, including risks of tendinitis, CNS effects, and contraindications.

Patent Situation

Most patents on ciprofloxacin have expired globally. New formulations or usage patents could offer exclusivity in select regions but are unlikely given the drug's age.

Fundamentals Analysis

Revenue Streams

  • Pharmaceutical Sales: Mainly through third-party distributors, hospitals, and retail pharmacies.
  • Licensing & Partnerships: Opportunities exist for regional licensing but are limited by regulatory restrictions.

Cost Structure

  • Manufacturing: Moderate, with significant costs in quality control.
  • Regulatory Compliance: High, especially in markets with strict safety standards.
  • Marketing & Distribution: Variable, with a focus on regional networks.

Profitability Indicators

While specific financial data for CINNASIL are scarce due to limited disclosure, typical fluoroquinolone margins are in the 15-25% profit range, dependent on production costs and pricing strategies.

R&D and Patent Portfolio

No recent R&D specific to CINNASIL reported. The patent landscape suggests minimal trial activity and limited scope for patent-driven growth.

Investment Considerations

Strengths

  • Established market presence in specific regions.
  • Cost advantage in manufacturing generic formulations.
  • Growing bacterial infection treatment demand.

Weaknesses

  • Limited growth potential due to patent expirations.
  • Regulatory risks linked to safety profile concerns.
  • Competition from well-established brands.

Opportunities

  • Expansion into emerging markets with rising healthcare infrastructure.
  • Development of new formulations or combination therapies.
  • Licensing agreements in regions where approval is pending.

Threats

  • Increasing antimicrobial resistance compromising efficacy.
  • Stringent regulations limiting market access.
  • Evolving safety warnings reducing prescription rates.

Financial Outlook

Limited public financial data constrains detailed projections. The outlook depends heavily on market penetration, regional approvals, and evolving safety regulations.

Key Takeaways

  • CINNASIL’s active ingredient, ciprofloxacin, is a mature drug facing declining growth prospects.
  • Regional approvals and market share vary, with limited prospects in advanced markets like the U.S. and Europe.
  • Regulatory challenges and antimicrobial resistance are primary risks.
  • Opportunities exist mainly in emerging economies with expanding healthcare infrastructure.
  • Competitive pressures favor established generics companies with cost advantages.

FAQs

1. Is CINNASIL patent-protected?
Most patents on ciprofloxacin, including formulations used in CINNASIL, have expired globally, limiting exclusivity.

2. What are the main safety concerns associated with CINNASIL?
Risks include tendinitis, central nervous system effects, and potential for QT prolongation, leading to regulatory scrutiny.

3. How does CINNASIL compare price-wise with competitors?
Pricing varies regionally but generally remains in the lower cost spectrum due to generic status.

4. Which markets offer the most growth opportunity for CINNASIL?
Emerging markets in Asia and Africa, driven by increasing infection treatment needs and expanding healthcare access.

5. What are the prospects for new formulations or patent extensions?
Limited, given the age of the molecule; innovation focuses mainly on formulations rather than patent extensions.


References

[1] MarketWatch. (2022). Global fluoroquinolone market analysis. Retrieved from https://marketwatch.com

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