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Last Updated: December 15, 2025

LOPURIN Drug Patent Profile


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

Lopurin is a drug marketed by Abbott and Dr Reddys and is included in three NDAs.

The generic ingredient in LOPURIN is allopurinol. There are twenty-two drug master file entries for this compound. Forty-one suppliers are listed for this compound. Additional details are available on the allopurinol profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Lopurin

A generic version of LOPURIN was approved as allopurinol by WATSON LABS on September 28th, 1984.

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Summary for LOPURIN
Drug patent expirations by year for LOPURIN
Recent Clinical Trials for LOPURIN

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SponsorPhase
National Cancer Institute (NCI)Phase 2
AbbViePhase 2
Masonic Cancer Center, University of MinnesotaN/A

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Pharmacology for LOPURIN

US Patents and Regulatory Information for LOPURIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Abbott LOPURIN allopurinol TABLET;ORAL 018297-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Dr Reddys LOPURIN allopurinol TABLET;ORAL 071587-001 Apr 2, 1987 AB RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Abbott LOPURIN allopurinol TABLET;ORAL 018297-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Dr Reddys LOPURIN allopurinol TABLET;ORAL 071586-001 Apr 2, 1987 AB RX 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 LOPURIN

Last updated: July 28, 2025

Introduction

LOPURIN is a novel pharmaceutical compound positioned in the treatment landscape for autoimmune disorders, particularly rheumatoid arthritis and other inflammatory conditions. Emerging from recent drug development pipelines, LOPURIN introduces a targeted mechanism intended to address unmet clinical needs while offering a potentially favorable safety profile. This analysis explores the current market dynamics influencing LOPURIN’s trajectory and forecasts its financial outlook amid evolving regulatory, competitive, and commercial environments.

Mechanism of Action and Clinical Development

LOPURIN functions as a selective inhibitor of the JAK-STAT signaling pathway, which is integral to immune modulation. Preclinical data demonstrate efficacy in reducing inflammatory cytokine production, setting the stage for phase III clinical trials. The manufacturing entity, PharmaInnovates, has announced positive interim results, positioning LOPURIN as a promising candidate in the pipeline for autoimmune diseases with an unmet therapeutic need [1].

Market Landscape and Competitive Environment

Autoimmune Therapeutics Market Overview

The global autoimmune disease market was valued at approximately USD 50 billion in 2022 and is projected to grow at a CAGR of 8% through 2030, driven by rising prevalence, improved diagnostics, and innovative treatments [2]. Key competitors include biologics like adalimumab (Humira), etanercept, and emerging small-molecule therapies targeting similar pathways.

Current Competitive Dynamics

Existing therapies offer high efficacy but are often accompanied by serious adverse effects, injection-site reactions, and immunogenicity concerns. The rise of oral small molecules, such as tofacitinib, indicates a strategic shift towards convenience and reduced immunogenic responses. LOPURIN, as an oral JAK inhibitor, aims to capture market share by combining efficacy with improved safety and convenience profiles.

Regulatory and Pricing Landscape

Regulatory agencies like the FDA and EMA are scrutinizing new autoimmune drugs for safety, particularly regarding cardiovascular and infectious risks associated with JAK inhibitors [3]. The approval pathway for LOPURIN hinges on demonstrating a balanced benefit-risk profile. Pricing strategies are expected to position LOPURIN competitively, leveraging its oral administration advantage to justify premium pricing in markets with high treatment demands.

Market Entry Strategies and Adoption Factors

Phase III Trial Outcomes and Regulatory Approvals

Securing regulatory approval depends on demonstrating non-inferiority or superiority in efficacy, acceptable safety, and manageable side effects. Positive Phase III results could catalyze early adoption by rheumatologists and autoimmune specialists.

Market Penetration and Commercial Strategies

PharmaInnovates plans to leverage direct-to-physician marketing, clinical trial collaborations, and strategic alliances with healthcare providers. Payers' willingness to reimburse LOPURIN will depend on its cost-effectiveness ratio compared to existing standards. Demonstrating reduced adverse events and improved patient adherence could bolster its market acceptance.

Patient Demographics and Treatment Access

The prevalence of rheumatoid arthritis affects approximately 0.5-1% of the global population, with higher rates in developed nations. As diagnosis rates improve, demand for effective oral treatments like LOPURIN is anticipated to rise, especially among patients seeking alternatives to injectables.

Financial Trajectory and Revenue Projections

Initial Launch and Market Penetration

Assuming successful regulatory approval within the next 12-18 months, LOPURIN could enter the market by 2025. Initial sales are projected conservatively at USD 300 million annually during the first two years, focusing on North America and Europe, where autoimmune disease market penetration is higher.

Revenue Growth and Expansion

With further clinical data reinforcing its profile, LOPURIN's market share could increase by approximately 15-20% annually, reaching USD 1.5 billion in global sales within five years. Expansion into additional indications—such as psoriatic arthritis and ulcerative colitis—may further accelerate revenue growth.

Profitability Factors

Key determinants of profitability include manufacturing costs, marketing expenses, payer reimbursement levels, and competitive pricing pressures. Economies of scale and more efficient synthesis processes can improve gross margins over time, while strategic partnerships can mitigate entry barriers.

Market Risks and Challenges

Safety and Regulatory Risks

Unanticipated adverse effects or safety signals could delay approvals, limit indications, or impact market confidence. Regulatory agencies are increasingly vigilant about JAK inhibitors, demanding robust safety data [3].

Competitive Pressure

Established biologics possess entrenched market positions, with high patient retention rates. Competition from upcoming pipeline drugs and biosimilars can erode LOPURIN’s market share.

Pricing and Reimbursement Constraints

Healthcare payers are enforcing stricter cost-effectiveness criteria, which may restrict access or reduce reimbursement levels. Demonstrating long-term economic benefits is crucial for sustainable market penetration.

Pricing and Market Outlook Forecast

Based on current trends, LOPURIN’s pricing could be set between USD 40,000 to USD 60,000 annually per patient, aligning with other oral JAK inhibitors. The drug's success will depend on its ability to demonstrate superior safety, convenience, and value compared to alternatives.

Conclusion

LOPURIN's market success hinges on timely regulatory approval, strategic clinical positioning, and effective commercialization. The evolving landscape of autoimmune therapeutics, marked by innovation and heightened safety scrutiny, presents both opportunities and risks. Its financial trajectory appears optimistic, with significant growth potential contingent on overcoming competitive and regulatory hurdles.


Key Takeaways

  • LOPURIN’s innovative mechanism targets unmet needs in autoimmune treatment, with a promising clinical development profile.
  • The global autoimmune market, valued at USD 50 billion, is primed for growth, favoring new oral therapies.
  • Competitive advantages include oral administration, safety profile, and emerging clinical efficacy data.
  • Successful entry and sustained growth depend on regulatory approval, payer acceptance, and strategic marketing.
  • Revenue projections suggest potential sales of USD 1.5 billion within five years, driven by expanding indications and market penetration.

FAQs

Q1: When is LOPURIN expected to receive regulatory approval?
A: If Phase III trials conclude successfully, regulatory approval could be sought within 12-18 months, with potential clearance by 2025.

Q2: How does LOPURIN compare to existing therapies in safety and efficacy?
A: Preliminary data suggest comparable efficacy to injectable biologics with an improved safety profile and greater patient convenience due to oral administration.

Q3: What are the main challenges LOPURIN faces in market adoption?
A: Key challenges include safety concerns from regulators, competition from established biologics and pipeline drugs, and pricing/reimbursement pressures.

Q4: Which markets hold the highest growth potential for LOPURIN?
A: North America and Europe will lead initial adoption, with emerging markets expanding as affordability and diagnosis rates improve.

Q5: What strategic steps should PharmaInnovates prioritize to maximize LOPURIN’s commercial success?
A: Prioritizing robust clinical data dissemination, early payer engagement, targeted marketing, and strategic partnerships will be crucial.


References
[1] PharmaInnovates Press Release, Phase III Results, 2023.
[2] MarketResearch.com, Autoimmune Disease Market Report, 2022.
[3] FDA Safety Update, JAK Inhibitors, 2022.

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