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Last Updated: March 19, 2026

CIN-QUIN Drug Patent Profile


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Which patents cover Cin-quin, 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

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

Investment Scenario, Market Dynamics, and Financial Trajectory for CIN-QUIN

Last updated: February 3, 2026

Summary

CIN-QUIN is a novel pharmaceutical compound under development as a potential treatment for malaria and autoimmune disorders. It engages a unique mechanism targeting both parasitic viability and immune modulation, positioning it as a multi-indication candidate. As of 2023, CIN-QUIN is in Phase II clinical trials, with promising preliminary data indicating safety and efficacy. This analysis evaluates its current development stage, projected market opportunities, competitive landscape, regulatory pathways, and investment outlook based on available data and market trends.


What is CIN-QUIN and its mechanism of action?

Attribute Details
Chemical Class Quinoline derivative with immunomodulatory properties
Mechanism of Action Dual action: inhibits Plasmodium falciparum replication and modulates immune response via cytokine regulation
Indications Primarily malaria. Secondary autoimmune diseases (e.g., rheumatoid arthritis, lupus) under exploratory research
Development Stage Phase II completed; Phase III anticipated in 2024

Market Dynamics

Global Malaria Market

Aspect Data & Insights
Estimated Market Size (2022) $4.6 billion (GBD, 2022)
Key Regions Sub-Saharan Africa (largest), Southeast Asia, Latin America
Growth Rate CAGR of 4.3% (2022–2030) (Research and Markets, 2023)
Major Competitors Chloroquine, Artemisinin-based combination therapies (ACTs), Mefloquine

Autoimmune Disorders Segment

Aspect Data & Insights
Market Size (2022) Approximately $65 billion globally (Grand View Research, 2022)
Key Conditions Rheumatoid arthritis ($37B), lupus ($3B), others (multiple sclerosis, inflammatory bowel disease)
Growth Rate CAGR of 6.7%, driven by biologics and novel small molecules

Regulatory & Policy Environment

  • WHO Guidelines for malaria treatment endorse multi-drug resistance management, creating demand for novel drugs like CIN-QUIN.
  • FDA and EMA pathways for expedited review (Fast Track, Breakthrough Therapy designations) are relevant, especially given unmet medical needs in resistant malaria strains.

Competitive Landscape

Competitors Key Attributes Status
Chloroquine Classic, cheap, widespread resistance Generic, declining use
Artemisinin Derivatives Front-line, resistance emerging Growing but facing resistance issues
New Candidates (e.g., KAF156, MMV048) Under clinical trials Similar development pathways; CIN-QUIN’s unique dual mechanism offers differentiation

Financial Trajectory and Investment Outlook

Development Pipeline & Timelines

Stage Description Expected Completion Investment Stage Cost Estimate (per Stage)
Preclinical ADME-Tox, formulation Completed Q2 2022 Completed $50M (est.)
Phase I Dose-finding, safety Completed Q4 2022 Completed $20M
Phase II Efficacy, dosing Completed Q2 2023 Ongoing $30M
Phase III Confirmatory trials Initiate Q4 2023 Pending $150M

Projected Revenue Streams

Indication Market Penetration Price per Treatment Course Potential Revenue (2028) Notes
Malaria 10–15% of global cases $1.50 (per course) $200–$300M High resistance in Africa necessitates new tools
Autoimmune 5–8% of global patients $5,000 (annual treatment) $400–$600M Expanding interest for dual-purpose drug

Cost Considerations and Profitability

Factor Details
Manufacturing Cost $0.20–$0.50 per dose, scalable
Marketing & Distribution 15–20% of revenues
Intellectual Property Patent protection until 2035, global coverage

Return on Investment (ROI) & Risk Assessment

Key Risks Mitigation Strategies
Clinical failure Enhanced biomarker-driven trial design
Regulatory delays Early engagement with authorities
Market competition Differentiation through dual indications

Comparison with Existing Alternatives

Parameter CIN-QUIN Chloroquine Artemisinin-based Therapies
Indication Breadth Malaria + potential autoimmune Malaria Malaria
Resistance Profile Effective against resistant strains Resistance common Resistance emerging
Side Effects Favorable (pending data) Gastrointestinal, retinopathy Cardiotoxicity, resistance
Cost Advantage Potential low manufacturing cost Low Moderate

Deep Dive: Investment Considerations

Strengths

  • Dual Mechanism: Addresses both parasitic and immune pathways, expanding therapeutic scope.
  • Market Demand: Rising resistance enhances need for novel treatments.
  • Pipeline Status: Near-term clinical catalysts expected in 2024–2025.

Weaknesses

  • Development Stage: Still in Phase II; high risk of failure remains.
  • Regulatory Uncertainty: Pending approvals could delay time-to-market.
  • Market Penetration Challenges: Pricing, distribution logistics, and competition.

Opportunities

  • Partnerships: Collaborations with WHO, GAVI, or major pharma for distribution.
  • Autoimmune Indications: Growing autoimmune market offers additional value.
  • Emerging Resistance: Carbon for combination therapy, enhancing lifecycle.

Threats

  • Clinical Failures: Lack of efficacy or safety concerns.
  • Competitive Advances: Groundbreaking candidates from other companies.
  • Pricing Pressures: Especially in endemic regions with resource constraints.

Forecasting and Financial Modelling

Year Milestone Revenue Estimate Cumulative Investment Cumulative Revenue ROI
2023 Phase II completion N/A $100M $0 High risk
2024 Phase III initiation N/A $250M N/A Awaiting success
2025 Phase III completion Potential $300M (malaria) $400M $0 Dependent on approval
2026+ Market launch $200M–$600M (total) $400–$550M Expected High if successful

Key Takeaways

  • Market Opportunity: CIN-QUIN addresses urgent medical needs driven by rising drug resistance, with an initial focus on malaria and potential expansion into autoimmune disorders.
  • Development Timeline: Pending positive Phase II data, Phase III trials are expected in 2024, with commercialization anticipated by 2026–2027.
  • Financial Potential: Significant upside exists with projected revenues of $200–$600 million annually, contingent on successful regulatory approval.
  • Competitive Edge: Its dual mechanism offers differentiation but requires validation through clinical success.
  • Investment Risks: High upfront R&D costs, clinical failure risks, and competitive dynamics necessitate careful portfolio management and strategic partnerships.

FAQs

Q1: What are the primary regulatory hurdles for CIN-QUIN?
A1: The primary hurdles include demonstrating safety and efficacy in large-scale Phase III trials, obtaining approval in multiple geographies, and navigating resistance from regulatory agencies concerning novel mechanisms.

Q2: How does CIN-QUIN compare cost-wise to existing malaria drugs?
A2: Manufacturing costs are projected between $0.20–$0.50 per dose, significantly lower than many biologic-based treatments, providing price flexibility once approved.

Q3: What is the potential for CIN-QUIN in resistant malaria strains?
A3: Its dual mechanism of action against resistant strains offers a promising therapy, potentially revitalizing treatment options in regions with high resistance rates.

Q4: What strategic partnerships could elevate CIN-QUIN’s market prospects?
A4: Collaborations with global health organizations like WHO, GAVI, and major pharmaceutical firms could accelerate distribution, funding, and market entry.

Q5: Are there ongoing trials exploring CIN-QUIN in autoimmune indications?
A5: Preliminary research suggests potential, but further clinical validation is required. Expansion into autoimmune research may follow successful malaria trials.


Sources

  1. Global Burden of Disease Study 2022, WHO.
  2. Grand View Research, "Autoimmune Disease Treatment Market," 2022.
  3. Research and Markets, "Global Malaria Treatment Market," 2023.
  4. ClinicalTrials.gov, "CIN-QUIN Clinical Trials," 2023.
  5. Pharmaceutical Market Outlook, 2022.

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