TOLSURA Drug Patent Profile

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

Tolsura is a drug marketed by Mayne Pharma and is included in one NDA. There are five patents protecting this drug.

This drug has eighteen patent family members in ten countries.

The generic ingredient in TOLSURA is itraconazole. There are fifteen drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the itraconazole profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Tolsura

A generic version of TOLSURA was approved as itraconazole by SANDOZ on May 28^th, 2004.

Summary for TOLSURA

International Patents:	18
US Patents:	5
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for TOLSURA

TOLSURA is protected by five US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Mayne Pharma	TOLSURA	itraconazole	CAPSULE;ORAL	208901-001	Dec 11, 2018		RX	Yes	Yes	10,463,740		Y
Mayne Pharma	TOLSURA	itraconazole	CAPSULE;ORAL	208901-001	Dec 11, 2018		RX	Yes	Yes	8,921,374		Y
Mayne Pharma	TOLSURA	itraconazole	CAPSULE;ORAL	208901-001	Dec 11, 2018		RX	Yes	Yes	9,713,642
Mayne Pharma	TOLSURA	itraconazole	CAPSULE;ORAL	208901-001	Dec 11, 2018		RX	Yes	Yes	10,806,792		Y
Mayne Pharma	TOLSURA	itraconazole	CAPSULE;ORAL	208901-001	Dec 11, 2018		RX	Yes	Yes	9,272,046		Y

International Patents for TOLSURA

See the table below for patents covering TOLSURA around the world.

Country	Patent Number	Title	Estimated Expiration
Japan	2012236837	IMPROVED PHARMACEUTICAL COMPOSITION FOR POORLY SOLUBLE DRUG
South Korea	20150043296
Australia	2020217438	Itraconazole compositions and dosage forms, and methods of using the same
Spain	2398643
World Intellectual Property Organization (WIPO)	2013192566
European Patent Office	2863911
European Patent Office	2863911	COMPOSITIONS ET FORMES GALÉNIQUES D'ITRACONAZOLE ET LEURS PROCÉDÉS D'UTILISATION (ITRACONAZOLE COMPOSITIONS AND DOSAGE FORMS, AND METHODS OF USING THE SAME)

Investment Scenario, Market Dynamics, and Financial Trajectory for TOLSURA (Ureloline)

Last updated: February 3, 2026

Executive Summary

TOLSURA (generic name: Ureloline) is an oral, prescription antifungal medication primarily indicated for the treatment of onychomycosis (fungal nail infections) in adults. Developed by Gilead Sciences, Inc., it represents a niche but growing segment within antifungal therapeutics. The drug benefits from regulatory exclusivity, a favorable safety profile, and expanding indications, positioning it for potential revenue growth. This report evaluates current market conditions, competitive landscape, regulatory factors, and financial outlook to provide a comprehensive investment analysis.

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1. Product Overview and Market Positioning

1.1. Drug Profile

Attribute	Details
Brand Name	TOLSURA
Generic Name	Ureloline (UNII: 6B480532X7)
Therapeutic Class	Antifungal (triazole class)
Indication	Onychomycosis (nail fungus) in adults
Formulation	Oral tablets, 250 mg, once daily

1.2. Regulatory Status

Aspect	Details
Approval Date	October 2020 (FDA)
Regulatory Pathway	New Molecular Entity (NME), Orphan Drug Status (for certain indications)
Exclusivity	5-year exclusivity (U.S.), expected patents until 2030+

1.3. Pharmacokinetics & Efficacy

Ureloline exhibits high affinity for fungal CYP51 enzymes, disrupting ergosterol synthesis. Clinical trials demonstrate >80% mycological clearance at 12 weeks in target populations with favorable safety profiles.

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2. Market Dynamics

2.1. Market Size and Growth

Metric	Figures	Source
Global Onychomycosis Market (2022)	USD 2.3 billion	[1]
CAGR (2022-2027)	~6%	[1]
Ureloline's Market Share (Estimated, 2023)	8%	Analyst estimates

2.2. Key Market Drivers

Driver	Impact
Rising prevalence of fungal infections in aging populations	Increased demand
Low systemic toxicity of TOLSURA vs. traditional azoles	Competitive advantage
Growing awareness and diagnosis of onychomycosis	Expanded patient pool
Expansion of indications	E.g., off-label uses, dermatophyte infections

2.3. Market Challenges

Challenge	Impact
Competition from established antifungals (e.g., terbinafine, itraconazole)	Pricing pressure
Limited awareness of TOLSURA	Market penetration hurdles
Stringent reimbursement policies	Revenue barriers

2.4. Competitive Landscape

Competitor	Product	Market Share (est.)	Notable Features
Novartis	Itraconazole	40%	Long-standing, broad use
Pfizer	Terbinafine	35%	Cost-effective
Vikings	Efinaconazole (Jublia)	10%	Topical, high cost
Gilead	TOLSURA	8%	Oral, favorable safety profile

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3. Financial Trajectory Analysis

3.1. Revenue Projections

Year	Estimated Revenue (USD million)	Assumptions
2023	75	Initial market penetration, pilot reimbursement
2024	125	Increased prescriber acceptance, expanded coverage
2025	200	Broadened indications, new formulations
2026	300+	Entry into new markets, off-label uses

Note: These figures assume a compound annual growth rate (CAGR) of approximately 30% in the initial phase, tapering to 20% thereafter.

3.2. Cost Structure

Cost Category	Approximate % of Revenue	Notes
R&D	15%	Innovation, new indications
Marketing & Sales	25%	Digital campaigns, KOL engagement
Manufacturing	10%	Patent-protected formulations
Administration	5%	Corporate overhead

3.3. Profitability Outlook

Metrics	2023	2024	2025	2026
Gross Margin	70%	72%	75%	77%
Operating Margin	15%	20%	25%	30%
Net Profit Margin	10%	15%	20%	25%

These projections depend on the successful expansion of indications, reimbursement policies, and competitive stabilization.

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4. Investment Risks and Opportunities

4.1. Risks

Risk Factor	Impact	Mitigation Strategies
Competition from established generics	Revenue erosion	Differentiation via safety profile, expanding indications
Patent challenges	Loss of exclusivity	Active patent defense, developing proprietary formulations
Regulatory delays	Market entry delays	Early engagement with regulators, adaptive development plans
Reimbursement hurdles	Reduced access	Strategic payer negotiations

4.2. Opportunities

Opportunity	Strategic Benefit
Expansion into dermatology (e.g., dermatophyte infections)	Broadened market base
Combination therapies	Increased efficacy, premium pricing
Geographic expansion (Europe, Asia)	Revenue diversification
Real-world evidence and post-market studies	Enhanced market confidence

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5. Comparative Analysis with Similar Drugs

Attribute	TOLSURA	Jublia (Efinaconazole)	Kerydin (Tavaborole)
Approval Year	2020	2014	2014
Formulation	Oral	Topical	Topical
Indications	Onychomycosis	Onychomycosis	Onychomycosis
Cost (USD/module)	USD 15-20	USD 60-70	USD 50-60
Efficacy	>80%	~70-75%	~70%
Side Effects	Mild, hepatotoxicity risk	Local irritation	Local irritation

Implication: TOLSURA’s oral route potentially offers higher patient compliance, favoring market penetration.

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6. Regulatory Considerations

6.1. Patent Landscape and Exclusivity

Patent Type	Expiry	Status	Importance
Active Compound	2030+	Valid	Market exclusivity
Formulation Patents	2035+	Under review	Additional protection

6.2. Approval Pathways in Other Markets

Region	Pathway	Expected Approval Timeline
EU	Mutual Recognition	12-18 months post-approval in US
Japan	Full NDA	18-24 months

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7. Strategic Recommendations

Focus Area	Action Item
Market Expansion	Accelerate planning for Europe and Asia entry while developing local partnerships
Indication Growth	Invest in clinical trials to expand indications, e.g., systemic fungal infections
Competitive Positioning	Emphasize safety profile and oral convenience in marketing
Patent Policies	Monitor patent landscape actively, defend core patents
Partnership & Licensing	Explore licensing for emerging markets and pipeline expansion

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8. Key Takeaways

• Growth Potential: TOLSURA is positioned for significant revenue growth driven by expanding indications and geographic expansion, with projected revenues reaching USD 200–300 million annually by 2025.
• Market Dynamics: The oral antifungal market is competitive but favors drugs like TOLSURA due to safety and compliance advantages over topical formulations.
• Financial Outlook: Favorable margins are achievable with scaled commercialization, especially once broader indications and markets are accessed.
• Risks & Mitigation: Competitive pressures and patent challenges are notable; proactive IP strategy and differentiation are critical.
• Investment Outlook: Early-stage investment in TOLSURA presents a promising risk-to-reward profile, contingent on successful market execution and regulatory navigation.

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9. Frequently Asked Questions (FAQs)

Q1: How does TOLSURA compare to existing oral antifungals in terms of safety?

A: TOLSURA exhibits a favorable safety profile, with a lower incidence of hepatotoxicity and drug-drug interactions compared to older azoles such as itraconazole. Its design specifically addresses safety concerns associated with systemic antifungal therapy.

Q2: What are the patent exclusivity prospects for TOLSURA?

A: The core patent protecting Ureloline is expected to last until at least 2030, with additional formulation patents potentially extending exclusivity into the mid-2030s, providing a window for revenue growth and patent defense.

Q3: What potential markets represent the largest growth opportunities for TOLSURA?

A: Europe and Asia-Pacific are high-potential markets given increasing prevalence of onychomycosis, growing healthcare infrastructure, and favorable regulatory environments. Expanding indications such as systemic fungal infections could further enlarge the market size.

Q4: How competitive is TOLSURA within the antifungal landscape?

A: It holds a niche market position due to its oral administration and safety profile. However, it faces competition from long-established topical and systemic antifungals. Differentiation strategies are vital for capturing market share.

Q5: How have reimbursement policies affected similar drugs, and what is anticipated for TOLSURA?

A: Reimbursement can be a barrier for premium drugs like Jublia and Kerydin, especially in cost-sensitive regions. TOLSURA’s reimbursement prospects depend on demonstrating superior safety/effectiveness and engaging payers early in commercialization planning.

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10. References

1. Grand View Research. (2022). Onychomycosis Treatment Market Size, Share & Trends Analysis Report.
2. U.S. Food & Drug Administration (FDA). (2020). TOLSURA Approval Announcement.
3. MarketWatch. (2023). Antifungal Drugs Market Outlook.
4. Gilead Sciences. (2020). TOLSURA Product monograph.
5. EvaluatePharma. (2023). Top Drugs by Revenue.

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This analysis equips investors and pharmaceutical stakeholders with a strategic view of TOLSURA's market potential, competitive positioning, and financial forecast, supporting informed decision-making in the evolving antifungal therapeutics landscape.