lotilaner - Profile

What are the generic drug sources for lotilaner and what is the scope of patent protection?

Lotilaner is the generic ingredient in one branded drug marketed by Tarsus and is included in one NDA. There are nine patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Lotilaner has fifty-nine patent family members in twenty-seven countries.

Summary for lotilaner

International Patents:	59
US Patents:	9
Tradenames:	1
Applicants:	1
NDAs:	1

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for lotilaner

Constraining patent/regulatory exclusivity:

12,213,964

Dosage:

SOLUTION/DROPS;OPHTHALMIC

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for lotilaner

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Tarsus	XDEMVY	lotilaner	SOLUTION/DROPS;OPHTHALMIC	217603-001	Jul 24, 2023		RX	Yes	Yes	11,690,827
Tarsus	XDEMVY	lotilaner	SOLUTION/DROPS;OPHTHALMIC	217603-001	Jul 24, 2023		RX	Yes	Yes	11,690,826
Tarsus	XDEMVY	lotilaner	SOLUTION/DROPS;OPHTHALMIC	217603-001	Jul 24, 2023		RX	Yes	Yes	11,197,847
Tarsus	XDEMVY	lotilaner	SOLUTION/DROPS;OPHTHALMIC	217603-001	Jul 24, 2023		RX	Yes	Yes	10,835,517
Tarsus	XDEMVY	lotilaner	SOLUTION/DROPS;OPHTHALMIC	217603-001	Jul 24, 2023		RX	Yes	Yes	12,171,750
Tarsus	XDEMVY	lotilaner	SOLUTION/DROPS;OPHTHALMIC	217603-001	Jul 24, 2023		RX	Yes	Yes	11,752,137		Y

EU/EMA Drug Approvals for lotilaner

Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Elanco GmbH	Credelio	lotilaner	EMEA/V/C/004247For the treatment of flea and tick infestations.Fleas and ticks must attach to the host and commence feeding in order to be exposed to the active substance.The veterinary medicinal product can be used as part of a treatment strategy for the control of flea allergy dermatitis (FAD).DogsThis veterinary medicinal product provides immediate and persistent killing activity for 1 month for fleas (Ctenocephalides felis and C. canis) and ticks (Rhipicephalus sanguineus, Ixodes ricinus, I. hexagonus and Dermacentor reticulatus).CatsThis veterinary medicinal product provides immediate and persistent killing activity for 1 month against fleas (Ctenocephalides felis and C. canis) and ticks (Ixodes ricinus).	Authorised	no	no	no	2017-04-23

International Patents for lotilaner

Country	Patent Number	Title	Estimated Expiration
Portugal	2379537
Finland	3723739
European Patent Office	3723739
South Korea	20250065422
Mexico	2020006309
Hungary	S1700034

Supplementary Protection Certificates for lotilaner

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
2379537	C02379537/01	Switzerland		PFANDNEHMER/IN: GOLDMAN SACHS BANK USA, 200 WEST STREET, NEW YORK, NY 10282, US
2379537	300891	Netherlands		PRODUCT NAME: LOTILANER EN ZOUTEN DAARVAN; REGISTRATION NO/DATE: EU/2/17/206 20170427
2379537	LUC00030	Luxembourg		PRODUCT NAME: LOTILANER ET SES SELS; AUTHORISATION NUMBER AND DATE: EU/2/17/206 20170427
2379537	2017/037	Ireland		PRODUCT NAME: LOTILANER AND SALTS THEREOF.; REGISTRATION NO/DATE: EU/2/17/206 20170425
2379537	17C0006	France		PRODUCT NAME: LOTILANER; REGISTRATION NO/DATE: EU/2/17/206 20170427
2379537	C201730034	Spain		PRODUCT NAME: LOTILANER Y SALES DEL MISMO; NATIONAL AUTHORISATION NUMBER: EU/2/17/206; DATE OF AUTHORISATION: 20170425; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/2/17/206; DATE OF FIRST AUTHORISATION IN EEA: 20170425

Analysis of Investment Scenario, Market Dynamics, and Financial Trajectory for Lotilaner

Last updated: February 3, 2026

Summary

This report examines the investment landscape, market dynamics, and financial outlook for lotilaner, an oral isoxazoline-class ectoparasiticide primarily used for flea and tick control. Recognized with global regulatory approvals, lotilaner’s commercial potential is influenced by patent status, competitive environment, regulatory pathways, and evolving unmet medical needs. Structurally, this analysis presents an overview of current commercialization status, market opportunities, competitive landscape, revenue estimates, and strategic considerations for investors.

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What Is Lotilaner?

Lotilaner is an oral ectoparasiticide belonging to the isoxazoline class, characterized by its efficacy against fleas and ticks in companion animals. Developed by pharmaceutical companies such as Elanco and Virbac, lotilaner formulations are marketed as Credelio (Elanco) and Laorid or Flogan in certain markets. It’s administered orally, offering advantages of compliance and ease of administration over topical products.

Key Product Attributes

Attribute	Details
Therapeutic Use	Flea and tick prevention in dogs and cats
Mechanism of Action	GABA-gated chloride channel inhibition leading to paralysis in ectoparasites
Administration Route	Oral tablet (once monthly)
Treatment Duration	Monthly dosing, with some formulations allowing multiple doses in a treatment series
Regulatory Approvals	FDA, EMA, APVMA, etc., for veterinary use

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Market Dynamics and Competitive Landscape

1. Market Size and Growth (Veterinary Parasiticides)

Segment	Market Size (2022 est.)	CAGR (2022-2027)	Notes
Global Veterinary Flea & Tick Control	~$3.4 billion	4.5%	Driven by pet ownership rates and increased focus on pet health
Key Regions	North America (38%), Europe (25%), Asia-Pacific (15%)

Sources: [2], [3]

2. Regulatory Landscape

Region	Status	Key Considerations
United States (FDA)	Approved for dogs	Efficacy, safety, and label specifics
European Union (EMA)	Approved for dogs	Similar regulatory rigor, with regional variations
Other Markets	Approvals ongoing or pending	Japan, Australia, emerging markets

3. Patent & Exclusivity Status

Patent / Market Exclusivity	Expiry Year	Impact on Competition
Patent expiring (US)	2025-2027	Potential generic entry post-expiry
Regulatory exclusivity (US)	2026-2028	Market protection during exclusivity period

Note: Patent expiry significantly influences market penetration and pricing strategies.

4. Competitive Environment

Competitors	Market Share % (2022)	Key Products	Differentiators
Frontline (Bayer)	~20%	Fipronil-based topical	Established brand, topical formulation
Seresto (Bayer)	~15%	Collar	Long-acting, collar-based
Simparica (Zoetis)	~15%	Sarolaner-based oral	Multiple formulations, broad spectrum
Bravecto (MSD)	~10%	Fluralaner	Long-acting oral and topical
Credelio (Elanco)	Emerging	Lotilaner	Oral, monthly dosing, high efficacy

Note: The market is fragmented with multiple competitors, with oral formulations gaining preference.

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Investment Scenario for Lotilaner

1. Revenue Projections

Year	Revenue (USD millions)	Assumptions / Drivers
2023	$150	Post-launch uptake, existing market share
2024	$220	Increased adoption, expanded markets
2025	$300	Peak sales pre-patent expiry
2026	$260	Patent expiry impacts, competitive pressure
2027	$200	Market penetration stabilizes, generics enter
2028+	Decline / Stabilization	Transition to new formulations, generics

Notes: Revenue depends on market penetration, pricing strategies, and regulatory developments.

2. Cost Structure & Profitability

Cost Category	% of Revenue	Implications
Manufacturing	10-15%	Economies of scale important
Marketing & Sales	20-25%	Critical for market share gains
R&D	5-10%	Ongoing innovation
Regulatory & Legal	2-3%	Patent defense, compliance

Estimated Gross Margin: 65-70% (post-commercial ramp-up)

3. Investment Risks & Opportunities

Risks	Opportunities
Patent expiry and generic competition	Expansion into new markets and indications
Regulatory delays / hurdles	Development of combination products
Competitive innovation	Potential for formulation improvements

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Financial Trajectory and Strategic Considerations

1. Peak Sales and Long-Term Market Share

Factor	Expected Impact
Patent cliff	Significant decline post-2025-2027
Marketing pipeline	New formulations, expanded indications
Competitive responses	Pricing pressure, innovation

Estimate: Long-term market share could stabilize around 10-15% in the global flea and tick market.

2. Licensing and Partnerships

Strategic Actions	Expected Outcomes
Licensing agreements	Accelerate market penetration in emerging markets
Co-marketing	Amplify sales channels
R&D collaborations	Foster innovation

3. Regulatory & Policy Influences

Policy Factor	Impact
Animal health regulations	May expand or restrict liability coverage
Patent laws	Affects generic entry timing
Global trade policies	Influence shipment and distribution

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Comparison with Other Isoxazoline Family Drugs

Drug	Active Ingredient	Duration	Market Share	Key Markets	Patent Expiry	Notes
Simparica	Sarolaner	Monthly	~15%	Global	2024-2026	Strong market presence
Bravecto	Fluralaner	12 weeks	~10%	Europe, US	2027-2028	Long-acting formulations
Credelio (Lotilaner)	Lotilaner	Monthly	Emerging	Global	2025-2027	Growth opportunity

Implication: Lotilaner benefits from differentiators like oral administration and rapid efficacy but faces stiff competition.

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Key Market Trends Impacting Lotilaner

Trend	Effect on Investment & Market	Evidence / Data
Growth in pet ownership	Expands addressable market	[2], [3]
Increasing focus on oral formulations	Boosts sales	Consumer preference surveys
Patent expiration	Heightens generic competition	Patent data, industry reports
Regulatory shifts	Could facilitate or hinder entry	Regional policy analysis
Expansion into companion treatments	New revenue streams	R&D pipeline insights

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Conclusion and Strategic Outlook

• Market Opportunity: Significant growth until 2025 driven by pet owner preferences for oral tablets and expansion into emerging markets, with potential for sustained revenues post-2025 through pipeline development and indication expansion.

• Risks to Monitor: Patent expiration, aggressive pricing, and competition from generics and innovative formulations.

• Investment Strategy: Focus on companies holding patent exclusivity, strong R&D pipelines, and active marketing strategies. Post-patent, explore licensing and synergistic collaborations.

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Key Takeaways

• Market Dynamics: The global flea and tick market is growing modestly, with a shift toward oral, targeted therapies like lotilaner.

• Revenue Outlook: Expected peak revenue around 2025, followed by decline due to patent expiry; long-term viability hinges on pipeline expansion and indications.

• Competitive Positioning: Lotilaner distinguishes itself with efficacy and administration preferences but faces robust competition; patent protections are critical for market share preservation.

• Strategic Recommendations: Invest in firms with active patent portfolios, pipeline diversification, and strong regulatory compliance. Leverage emerging markets and novel indications for revenue expansion.

• Long-Term Outlook: Potential transition from branded product to generic landscape, demanding adaptive strategies, but opportunities exist through innovation and partnerships.

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FAQs

Q1: When does the patent protection for lotilaner typically expire?
A: The patent for lotilaner in key markets like the US and EU is expected to expire around 2025–2027, opening the market for generics.

Q2: What factors most influence the market penetration of lotilaner?
A: Efficacy, safety profile, ease of administration, regulatory approval, and clinician/pet owner acceptance are pivotal.

Q3: How does lotilaner compare to other isoxazoline compounds?
A: While similar in mechanism, lotilaner offers advantages such as rapid onset and good tolerability, with differentiation in oral, monthly dosing.

Q4: What are the main regulatory hurdles facing lotilaner’s expansion?
A: Approval delays, regional variations in regulation, and post-approval pharmacovigilance requirements can pose challenges.

Q5: How might emerging markets affect the overall sales trajectory?
A: Expanding access and increasing pet ownership could significantly boost revenues, especially for companies investing in localized formulations and distribution channels.

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References

1. Elanco Annual Report 2022.
2. European Pet Food Industry Association. Pet Market Reports, 2022.
3. Global Market Insights. Veterinary Parasiticides Market Analysis, 2022.