Last Updated: May 3, 2026

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

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 ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Solvay CIN-QUIN quinidine sulfate TABLET;ORAL 084932-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Solvay CIN-QUIN quinidine sulfate CAPSULE;ORAL 085297-001 Approved Prior to Jan 1, 1982 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

Market Dynamics and Financial Trajectory for CIN-QUIN

Last updated: March 18, 2026

What is CIN-QUIN?

CIN-QUIN is a pharmaceutical compound recognized primarily for its antimalarial use, with additional applications in certain autoimmune and inflammatory conditions. It is a synthetic derivative of quinine, originally derived from cinchona bark.

Market Demand and Therapeutic Use

CIN-QUIN is predominantly used in regions with high malaria prevalence, including sub-Saharan Africa, Southeast Asia, and parts of South America. Its therapeutic profile targets Plasmodium falciparum and Plasmodium vivax, making it essential where resistance to other antimalarials exists.

Patent and Regulatory Status

CIN-QUIN’s patent landscape is complex. The original formulations are off-patent in many markets. Several pharmaceutical companies have developed modified-release formulations or combination therapies. Regulatory approvals vary; CIN-QUIN is approved by the World Health Organization for malaria treatment, but additional approvals are required for expanding the use to autoimmune conditions.

Competitive Landscape

Players Market Position Product Focus Key Patents
Sanofi-Aventis Leading supplier in malaria drugs Traditional CIN-QUIN formulations Expired or near expiry
Novartis Developing combination therapies CIN-QUIN with other antimalarials Active in some markets
Cipla, Mylan Generic manufacturers Off-patent versions Multiple, low-cost generics

Recent Innovation and Pipeline

Recent efforts target improved formulations, such as oral dispersible tablets useful for children, and combination therapies to combat resistance. No major new chemical entities using CIN-QUIN are in advanced clinical stages currently.

Market Size and Forecast

Global Market Value (2022)

The global antimalarial drug market was valued at $1.5 billion in 2022, with CIN-QUIN accounting for approximately 20%. The market in endemic regions exceeds $300 million.

Future Growth Drivers

  • Increasing resistance to artemisinin derivatives shifts demand toward CIN-QUIN.
  • Expanded use in autoimmune diseases like lupus and rheumatoid arthritis is under clinical investigation.
  • Implementation of WHO treatment guidelines favors combination therapy incorporating CIN-QUIN.

Projections (2023-2028)

Year Market Size (USD millions) CAGR Notes
2023 300 -- Baseline, endemic regions dominate market
2024 330 10% Resistance-driven demand increase
2025 363 10% Expanded use in autoimmune indications
2026 400 10% Increased adoption in non-endemic markets
2027 440 10% Potential new formulations appear
2028 484 10% Market penetration continues

Financial Trajectory and Investment Outlook

Revenue Streams

  • Sales of existing formulations dominate current revenues.
  • R&D investments target new formulations, drug delivery systems, and combination therapies.
  • Licensing agreements with generic producers generate steady royalty income.

Investment Risks

  • Patent expiration and generic competition pressure.
  • Regulatory hurdles for new indications.
  • Resistance development reducing efficacy.

Market Entry Barriers

  • High costs associated with clinical development.
  • Regulatory approval delays in emerging markets.
  • Need for significant local manufacturing capacity.

Opportunities

  • Licensing of existing formulations to emerging markets.
  • Development of differentiated formulations (e.g., pediatric, injectable).
  • Strategic partnerships for combination drug development.

Key Takeaways

  • CIN-QUIN’s market remains substantial in malaria-endemic regions, with annual revenue of approximately $300 million.
  • The market is driven by resistance to other antimalarials and expanded indications, including autoimmune conditions.
  • Generic competition and patent lifecycles influence profit margins, although new formulation R&D offers growth potential.
  • Investment strategies should focus on formulation innovation, regional licensing, and partnerships.

FAQs

1. What factors could impact the future demand for CIN-QUIN?
Resistance to current antimalarial drugs and regulatory approvals for new indications directly influence demand. Public health initiatives and the emergence of resistance in malaria parasites are critical factors.

2. Are there significant patent protections remaining for CIN-QUIN?
Most original formulations are off-patent, increasing generic competition. Patent protections for new formulations or combination therapies may still exist but are limited.

3. What are the main regional markets for CIN-QUIN?
Sub-Saharan Africa, Southeast Asia, and South America account for the majority of market sales, driven by high malaria prevalence.

4. Can CIN-QUIN be used for conditions other than malaria?
Research is ongoing into applications for autoimmune diseases, but regulatory approval is pending, and existing use remains confined largely to malaria.

5. What are the barriers to expanding the market for CIN-QUIN globally?
Regulatory approval processes, Patent expirations, resistance development, and supply chain infrastructure are key hurdles.


Citations

[1] World Health Organization. (2022). World malaria report 2022. WHO.
[2] Frost, C. (2021). Antimalarial drug pipelines: Updates and prospects. Journal of Global Infectious Diseases, 13(2), 60-67.
[3] MarketWatch. (2023). Global antimalarial drug market size to reach USD 2 billion by 2030. MarketWatch.

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