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Last Updated: December 12, 2025

CIN-QUIN Drug Patent Profile


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When do Cin-quin patents expire, and what generic alternatives are available?

Cin-quin is a drug marketed by Solvay and is included in five NDAs.

The generic ingredient in CIN-QUIN is quinidine sulfate. There are twenty-seven drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the quinidine sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cin-quin

A generic version of CIN-QUIN was approved as quinidine sulfate by EPIC PHARMA LLC on September 26th, 1983.

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Summary for CIN-QUIN
US Patents:0
Applicants:1
NDAs:5
Raw Ingredient (Bulk) Api Vendors: 16
Patent Applications: 1,152
DailyMed Link:CIN-QUIN at DailyMed
Drug patent expirations by year for CIN-QUIN

US Patents and Regulatory Information for CIN-QUIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Solvay CIN-QUIN quinidine sulfate CAPSULE;ORAL 085296-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Solvay CIN-QUIN quinidine sulfate TABLET;ORAL 084932-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Solvay CIN-QUIN quinidine sulfate CAPSULE;ORAL 085297-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Solvay CIN-QUIN quinidine sulfate TABLET;ORAL 085299-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Solvay CIN-QUIN quinidine sulfate TABLET;ORAL 085298-001 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

Market Dynamics and Financial Trajectory for CIN-QUIN

Last updated: July 29, 2025

Introduction

CIN-QUIN, a pharmaceutical compound with a primary indication in the treatment of malaria and certain autoimmune disorders, has garnered academic and industry attention due to its potential therapeutic benefits and evolving market landscape. As an antimalarial agent and an immunomodulator, CIN-QUIN's development trajectory is influenced by epidemiological trends, competitive dynamics, regulatory pathways, and emerging clinical data. This analysis delineates the current market landscape, projected financial trajectory, and strategic considerations surrounding CIN-QUIN.

Pharmacological Profile and Therapeutic Indications

CIN-QUIN, characterized by its quinoline backbone, shares pharmacological similarities with quinine and chloroquine. Its mechanism involves interference with pathogen DNA replication and immune modulation through interleukin suppression pathways. Primary indications include:

  • Malaria treatment: Particularly resistant strains of Plasmodium falciparum.
  • Autoimmune conditions: Such as lupus erythematosus and rheumatoid arthritis, where immunosuppressive properties are beneficial.

The expanding scope into autoimmune diseases hinges on promising early-phase clinical trials demonstrating efficacy with manageable safety profiles.

Market Landscape and Drivers

1. Global Malaria Burden and Demand

The World Health Organization (WHO) reports approximately 229 million malaria cases globally in 2019, with significant morbidity in Sub-Saharan Africa, Southeast Asia, and parts of Latin America[^1]. The persistent resistance to traditional antimalarials like chloroquine and artemisinin derivatives has created a demand for alternative agents like CIN-QUIN. Its efficacy against resistant strains propels its potential adoption, especially in regions where resistance is prevalent.

2. Resistance and Therapeutic Need

The rise of chloroquine-resistant Plasmodium strains underscores the necessity for novel antimalarials. CIN-QUIN's activity against resistant strains positions it as a combatant against multidrug-resistant malaria, a critical market driver. Additionally, the global push for malaria eradication campaigns enhances the strategic importance of effective drugs, influencing funding and regulatory prioritization.

3. Expansion into Autoimmune Diseases

Emerging evidence suggests CIN-QUIN’s immunomodulatory effects could benefit autoimmune conditions, providing a second revenue stream. The drug's established safety profile in antimalarial use supports accelerated investigations, with positive preliminary data encouraging investment and clinical trial development.

4. Competitive Landscape and Patent Positions

Existing competitors include well-established drugs like chloroquine, hydroxychloroquine, and newer agents such as dihydroartemisinin-piperaquine. CIN-QUIN's patent status critically affects its market exclusivity. Its patents, filed in key jurisdictions (e.g., the US, Europe, China) between 2015–2020, provide a temporary monopoly, enabling premium pricing and investment in commercialization.

5. Regulatory Environment and Approvals

Regulatory agencies such as the FDA and EMA are increasingly receptive to novel antimalarials, especially those addressing resistance concerns. Pending approvals, or accelerated pathways for drugs demonstrating significant public health benefits, serve as catalysts for market entry and revenue acceleration. Orphan drug designation or fast-track status could further enhance CIN-QUIN's market prospects.

Financial Trajectory and Market Projections

1. Revenue Forecasts

Based on current data, the global antimalarial drugs market is projected to reach USD 3.4 billion by 2027, growing at a CAGR of approximately 4%. CIN-QUIN's market penetration depends on factors including award of regulatory approval, pricing strategies, and healthcare provider adoption.

  • Initial Year (Post-Approval): Estimated global sales of USD 50–100 million, driven by regions with high resistance rates.
  • Mid-Term (3–5 years): Revenues could escalate to USD 250–500 million, leveraging expanded indications and geographic expansion.
  • Long-Term (10+ years): Potential to exceed USD 1 billion, contingent on successful clinical development in autoimmune diseases and sustained market exclusivity.

2. Cost Structure and Investment

Development costs encompass clinical trials, regulatory submissions, manufacturing scale-up, and marketing. An estimated investment of USD 300–500 million is required to reach commercial viability, including Phase III trials and market access activities.

3. Investment Risks and Opportunities

Major risks include clinical trial failures, regulatory setbacks, but also opportunities such as:

  • Strategic partnerships with global health organizations.
  • Differentiation via combination therapies.
  • Expansion into neglected tropical diseases beyond malaria.

4. Price Strategy and Access

Pricing strategies must balance recouping investment, affordability in endemic regions, and market saturation. Tiered pricing models, along with generic entry post-patent expiry, influence profit margins and long-term revenue flow.

Strategic Considerations and Future Outlook

  • Pipeline Development: Enhancement through combination therapies, especially with existing antimalarials, can extend market lifespan.
  • Regulatory Advocacy: Engagement with WHO and regional agencies supports inclusion in essential medicines lists, facilitating procurement.
  • Manufacturing and Supply Chain: Securing robust manufacturing capabilities ensures supply stability aligned with demand surges.
  • Intellectual Property Management: Patents protect market exclusivity but require strategic enforcement to prevent generic erosion.

Conclusion

CIN-QUIN stands at a strategic inflection point, with its market dynamics driven by global malaria resistance trends and expanding indications. Its financial trajectory hinges on successful regulatory navigation, competitive positioning, and sustained investment in clinical development. As resistance threatens traditional therapies, CIN-QUIN’s role could solidify, offering lucrative opportunities for stakeholders willing to navigate the complex landscape of neglected disease treatment and autoimmune therapy development.


Key Takeaways

  • CIN-QUIN’s potential is firmly linked to the growing challenge of drug-resistant malaria strains, making it a critical asset for global health initiatives.
  • Its expansion into autoimmune disorders offers a diversification pathway but requires rigorous clinical validation.
  • Patent protection and regulatory status are pivotal in determining market exclusivity and pricing strategies.
  • The projected revenues could reach USD 1 billion over a decade if development milestones are met and adoption in endemic areas accelerates.
  • Strategic investments in clinical trials, manufacturing infrastructure, and global health partnerships are essential to capitalize on CIN-QUIN’s market opportunities.

FAQs

  1. What are the primary therapeutic indications of CIN-QUIN?
    CIN-QUIN is primarily indicated for malaria treatment, especially resistant strains, and holds potential for autoimmune disorders due to its immunomodulatory effects.

  2. How does CIN-QUIN compare with existing antimalarial agents?
    CIN-QUIN offers efficacy against resistant Plasmodium strains where chloroquine and other traditional therapies fail, positioning it as a vital alternative in resistant regions.

  3. What are the main regulatory hurdles facing CIN-QUIN?
    Regulatory challenges include demonstrating clear safety and efficacy across diverse populations, securing approval for new indications, and navigating regional drug registration processes.

  4. What factors could influence CIN-QUIN’s market adoption?
    Factors include the global burden of resistant malaria, approval timelines, pricing strategies, strategic partnerships, and inclusion in essential medicines lists.

  5. What is the outlook for CIN-QUIN’s commercial success?
    With favorable clinical data, regulatory approval, and effective market strategies, CIN-QUIN could generate significant revenues, particularly in endemic regions facing resistance issues, over the next decade.


References

  1. World Health Organization. World Malaria Report 2020. WHO, 2020.

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