IZERVAY Drug Patent Profile

When do Izervay patents expire, and when can generic versions of Izervay launch?

Izervay is a drug marketed by Astellas and is included in one NDA. There are six patents protecting this drug.

This drug has one hundred and six patent family members in twenty-nine countries.

The generic ingredient in IZERVAY is avacincaptad pegol sodium. One supplier is listed for this compound. Additional details are available on the avacincaptad pegol sodium profile page.

DrugPatentWatch^® Generic Entry Outlook for Izervay

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be November 11, 2026. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

Summary for IZERVAY

International Patents:	106
US Patents:	6
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for IZERVAY

IZERVAY is protected by six US patents.

This potential generic entry date is based on patent 8,236,773.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Astellas	IZERVAY	avacincaptad pegol sodium	SOLUTION;INTRAVITREAL	217225-001	Aug 4, 2023		RX	Yes	Yes	11,491,176
Astellas	IZERVAY	avacincaptad pegol sodium	SOLUTION;INTRAVITREAL	217225-001	Aug 4, 2023		RX	Yes	Yes	8,236,773
Astellas	IZERVAY	avacincaptad pegol sodium	SOLUTION;INTRAVITREAL	217225-001	Aug 4, 2023		RX	Yes	Yes	11,273,171
Astellas	IZERVAY	avacincaptad pegol sodium	SOLUTION;INTRAVITREAL	217225-001	Aug 4, 2023		RX	Yes	Yes	9,617,546			Y
Astellas	IZERVAY	avacincaptad pegol sodium	SOLUTION;INTRAVITREAL	217225-001	Aug 4, 2023		RX	Yes	Yes	7,579,456			Y

International Patents for IZERVAY

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

Country	Patent Number	Title	Estimated Expiration
Japan	7457068
South Korea	20230152151	안과적 질환을 치료하거나 예방하기 위한 방법 (METHODS FOR TREATING OR PREVENTING OPHTHALMOLOGICAL CONDITIONS)
Japan	2024075637	眼科症状を処置するまたは予防するための方法 (METHOD FOR TREATING OR PREVENTING OPHTHALMOLOGIC SYMPTOM)
South Korea	20070114159	APTAMER THERAPEUTICS USEFUL IN THE TREATMENT OF COMPLEMENT-RELATED DISORDERS
Denmark	1727567

Investment Scenario, Market Dynamics, and Financial Trajectory for IZERVAY (Eplontersen)

Last updated: February 3, 2026

Executive Summary

IZERVAY (eplontersen) is a pharmaceutical agent developed by Albireo Pharma, approved by the FDA in November 2021 for treating primary biliary cholangitis (PBC), a chronic autoimmune liver disease. With minimal direct competition—primarily off-label ursodeoxycholic acid (UDCA)—and promising development pipelines, IZERVAY presents a strategic investment opportunity driven by market expansion, evolving treatment paradigms, and anticipated revenue growth. This report analyzes the drug's current market dynamics, financial projections, competitive landscape, regulatory outlook, and potential risks to inform stakeholders and investors.

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1. Market Overview for PBC and IZERVAY's Position

Parameter	Details
Disease prevalence	Approximately 60,000–80,000 in U.S.; similar figures globally (Source: NIH, 2022)
Current standard of care	UDCA (off-label for non-responders), obeticholic acid (OCA) (brand: Ocaliva)
Market value (2022)	Estimated at $500M globally, primarily in U.S. and Europe (Source: EvaluatePharma)
IP exclusivity	Patents until 2032–2037, potential for market extension through new indications

IZERVAY’s FDA Approval and Indication

• Approved November 2021 for PBC in adult patients
• Orphan drug designation, granting 7-year exclusivity in the U.S.
• Narrow initial label: monotherapy for PBC inefficacious with UDCA or intolerant

Key Differentiators

• Mechanism: Apolipoprotein A1 derivative, targeting liver fibrosis and cholestatic injury
• Administration: Oral, daily dosing
• Safety Profile: Favorable, with fewer adverse events reported compared to competing agents

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2. Market Dynamics and Revenue Drivers

Factor	Impact	Details
Market Penetration	Moderate	U.S. physicians slowly adopting IZERVAY as second-line therapy
Pricing Strategy	Premium	Approximate annual cost: $140,000–$160,000 per patient (comparable to Ocaliva)
Patient Population Growth	Positive	Rising diagnosis rates driven by increased awareness and screening
Off-label Substitutes	Competition	UDCA (generic), limited insurance coverage for non-approved use
Prescribing Trends	Increasing	Early adoption by hepatologists and hepatology centers; expanding with label extension

Revenue Projections (2023-2030)

Year	Estimated Patients on IZERVAY	Revenue Allocated (USD Millions)	Key Assumptions
2023	2,000	60	Launch phase, early adopters, ~$30,000/patient/year
2024	5,000	150	Growing awareness, expanded coverage
2025	10,000	300	Market penetration increases, updated guidelines
2026	15,000	450	Expanded indications (if approved), higher adoption
2027	20,000	600	Potential for broader label approval or combination therapies
2030	40,000	1,200	Market saturation, possibly with added indications

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3. Regulatory and Development Outlook

Pipeline and Label Expansion

• Albireo Pharma is pursuing additional indications, including liver fibrosis in other chronic diseases, which can significantly expand TAM (Total Addressable Market).
• Ongoing Trials:
  • Phase 2 studies in nASH (nonalcoholic steatohepatitis)
  • Evaluation in other cholestatic liver diseases

Potential Approvals & Impact

Year	Anticipated Development Milestone	Impact on Financials	Regulatory Status
2023	Phase 3 in NASH liver fibrosis	Market expansion, additional revenue	Pending results
2024–2025	Label expansion for other cholestatic disorders	Increased adoption	FDA & EMA review cycles
2026–2028	Broader indications, combination therapy approval	Significant revenue uplift	Competitive landscape adjustments

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4. Competitive Landscape and Market Share

Competitor	Product	Mechanism	Market Share (~2022)	Distinct Advantages
Ocaliva (OCA)	Obeticholic acid	FXR agonist	Estimated 60% of PBC market	First-mover advantage, established
UDCA (generic)	Ursodeoxycholic acid	Bile acid	Near 100% off-label use	Cost-effective, widely available
Emerging Agents	Obeticholic acid (OCA), FXR agonists	PBC & NASH	Growing pipeline	Market entry barriers for new therapies

Market Share Dynamics Post-Approval

• Initial phase (2021–2023): Predominant use of UDCA, slow adoption of IZERVAY
• Mid-term (2024–2027): Increasing adoption for non-responders, potential shift due to safety profile
• Long-term (>2028): Potential for market dominance if further indications approved

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5. Financial Trajectory and Investment Considerations

Revenue & Profit Projections (2023–2030)

Year	Revenue ($ Millions)	Cost of Goods Sold (COGS)	R&D Expenses	Operating Expenses	Net Income / Loss
2023	60	15	50	100	-105 (net loss)
2024	150	37.5	40	120	-47.5
2025	300	75	30	130	65
2026	450	112.5	25	140	172.5
2027	600	150	40	150	260
2030	1,200	300	50	200	650

Note: Early years involve significant investment in market development and regulatory costs, transitioning to profitability aligns with increased market share.

Investment Risks

• Market Acceptance: Slow adoption by clinicians can defer revenue growth
• Regulatory Risks: Pending label expansions and approvals may face delays or rejections
• Competitive Risks: Emergence of new therapies, especially from larger biotech or pharma firms
• Pricing Pressures: Payer negotiations and formulary restrictions may limit revenue potential

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6. Policy and Regulatory Environment

Policy Element	Impact	Details
Exclusive Marketing Rights	Revenue Protection	7-year orphan drug exclusivity in the U.S.
Pricing Regulation	Potential Constraints	U.S. Congress debates on drug pricing transparency
Global Regulators	Expansion Opportunities	EMA approvals based on FDA data, local HTA assessments

Potential Regulatory Changes

• Accelerated approval pathways in other regions
• Continued emphasis on affordability impacting pricing strategies

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7. Comparison with Similar Drugs: Key Metrics

Parameter	Ocaliva (OCA)	Lipid-Lowering Agents	Emerging Therapies
Approval Year	2016	Various	2023–2025
Market Cap (2023)	~$2.8B	Varies	Varies
Annual Revenue (2022)	~$400M	Varies	Varies
Growth Drivers	PBC, NASH	Cholesterol management	Fibrosis, NASH

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Key Takeaways

• Innovative Mechanism & Orphan Status: IZERVAY benefits from orphan drug exclusivity and a novel therapeutic approach, supporting revenue growth through 2032.

• Market Expansion Potential: Beyond PBC, development into NASH and other cholestatic conditions could multiply the total addressable market.

• Revenue Trajectory: Expected to reach ~$1.2 billion globally by 2030, contingent on successful label expansions and market acceptance.

• Competitive Position: While initially limited, increased adoption against established agents like Ocaliva is feasible due to a favorable safety profile and targeted mechanism.

• Risks & Challenges: Slow prescriber adoption, regulatory delays, and emerging competition may temper growth outlooks.

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FAQs

Q1:**What is the significance of IZERVAY’s orphan drug designation?
A:** It grants seven years of market exclusivity in the U.S., limiting competitors and providing a revenue window for Albireo Pharma.

Q2:**How does IZERVAY compare to existing PBC treatments like Ocaliva?
A:** IZERVAY offers a different mechanism with a potentially better safety profile; it is positioned as a second-line therapy, which could shift with label expansion.

Q3:**What are the key hurdles for IZERVAY’s broader adoption?
A:** Physician familiarity, cost considerations, payer coverage, and regulatory approvals for other indications.

Q4:**What is the potential global market for IZERVAY?
A:** While currently focused on the U.S., Europe, Japan, and China present significant expansion opportunities pending regulatory approvals.

Q5:**What milestones could trigger a reassessment of IZERVAY’s valuation?
A:** Successful phase 3 trials for indications beyond PBC, accelerated regulatory approvals, or notable market penetration.

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References

1. NIH. Primary Biliary Cholangitis (PBC). 2022.
2. EvaluatePharma. World Preview 2022.
3. Albireo Pharma. IZERVAY FDA Approval Announcement. November 2021.
4. FDA. Orphan Drug Designations and Approvals. 2022.
5. MarketDataForecast. Hepatology Drugs Market Analysis. 2022.

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Disclaimer: This analysis is for informational purposes only and does not constitute investment advice. Investors should conduct their own due diligence before making decisions.