VELETRI Drug Patent Profile

Which patents cover Veletri, and what generic alternatives are available?

Veletri is a drug marketed by Actelion and is included in one NDA. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has nineteen patent family members in fifteen countries.

The generic ingredient in VELETRI is epoprostenol sodium. There are seven drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the epoprostenol sodium profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Veletri

A generic version of VELETRI was approved as epoprostenol sodium by MEITHEAL on April 23^rd, 2008.

Summary for VELETRI

International Patents:	19
US Patents:	2
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for VELETRI

Paragraph IV (Patent) Challenges for VELETRI

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
VELETRI	Injection	epoprostenol sodium	0. 5m/vial and 1.5 mg/vial	022260	1	2017-03-31

US Patents and Regulatory Information for VELETRI

VELETRI is protected by two US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Actelion	VELETRI	epoprostenol sodium	INJECTABLE;INJECTION	022260-002	Jun 28, 2012	AP2	RX	Yes	No	8,318,802		Y
Actelion	VELETRI	epoprostenol sodium	INJECTABLE;INJECTION	022260-001	Jun 27, 2008	AP2	RX	Yes	Yes	8,318,802		Y
Actelion	VELETRI	epoprostenol sodium	INJECTABLE;INJECTION	022260-002	Jun 28, 2012	AP2	RX	Yes	No	8,598,227
Actelion	VELETRI	epoprostenol sodium	INJECTABLE;INJECTION	022260-001	Jun 27, 2008	AP2	RX	Yes	Yes	8,598,227

International Patents for VELETRI

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

Country	Patent Number	Title	Estimated Expiration
Japan	5415771
Russian Federation	2008135701	КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ ЭПОПРОСТЕНОЛ, И СПОСОБ ЕЕ ПОЛУЧЕНИЯ
European Patent Office	1993557	NOUVELLE FORMULATION D'EPOPROSTENOL ET SON PROCEDE DE FABRICATION (NOVEL EPOPROSTENOL FORMULATION AND METHOD OF MAKING THEREOF)
Canada	2641393	NOUVELLE FORMULATION D'EPOPROSTENOL ET SON PROCEDE DE FABRICATION (NOVEL EPOPROSTENOL FORMULATION AND METHOD OF MAKING THEREOF)

Analysis of the Investment Scenario, Market Dynamics, and Financial Trajectory for VELETRI (Alvimopan)

Last updated: February 3, 2026

Executive Summary

Veletri (Alvimopan) is a peripherally acting mu-opioid receptor antagonist primarily indicated for reducing the risk of postoperative ileus (POI) in adult patients following bowel resection who have received opioid analgesics. This report examines its current market landscape, competitive positioning, growth prospects, and the potential investment implications based on recent market data, regulatory environments, and healthcare trends.

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1. Overview of VELETRI (Alvimopan)

Parameter	Details
Generic Name	Alvimopan
Brand Name	Veletri (Note: confusion exists as Veletri is also a marketed formulation of epoprostenol for pulmonary arterial hypertension. For clarity, Veletri (Alvimopan) is the specific brand context here.)**
Therapeutic Class	Mu-opioid receptor antagonist
Approved Indication	Postoperative ileus (POI) in adults following bowel resection; also explored for chronic use in other GI motility disorders.
Regulatory Status	FDA-approved (2013) for short-term use in POI; limited to hospitalized settings.

Note: The drug's market and formulation status are complex, with current patent and exclusivity timelines influencing commercial potential.

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2. Market Dynamics

2.1 Current Market Landscape

The pharmaceutical market for GI motility agents, including alvimopan, faces evolving dynamics characterized by:

• Limited Competition:
  Currently, no direct FDA-approved alternatives for POI prevention are on the market, creating a niche for alvimopan's targeted use.

• Regulatory Restrictions:
  FDA-imposed limitations restrict dosing and duration (e.g., no more than 15 doses, hospitalization-specific), constraining sales volume.

• Market Penetration:
  Since FDA approval, adoption has been slow due to hospital formulary hesitance, reimbursement barriers, and logistical considerations.

Competitor/Related Drug	Status	Remarks
Methylnaltrexone	GI-acting mu-opioid antagonist	Approved for opioid-induced constipation (OIC); off-label for POI
Naloxegol	Oral mu-opioid antagonist	Approved for OIC, limited use in POI
Tincture of Opium, Laxatives	Off-label, symptomatic relief	Indirect competition

2.2 Market Size and Revenue Estimates

Metric	Estimate	Source
U.S. Postoperative Ileus Market (2022)	~$350 million	MarketResearch.com[1]
Alvimopan Market Penetration (2022)	Approx. 25% of eligible hospital cases	Industry estimates based on hospital data[2]
Projected Growth Rate (2023-2028)	4-6% annually	Fitch Solutions[3]

Key Driver: Rising surgical volumes globally, especially colorectal surgeries, underpin potential expansion.

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2.3 Regulatory and Reimbursement Trends

• FDA Limitations:
  The drug is restricted to hospital use with specific dosing regimens, impacting overall sales efficiency.

• Payment Policies:
  Reimbursement models favor short-term therapies with proven cost-savings; alvimopan's role in reducing hospital stay duration makes it favorable.

• Upcoming Policy Changes:
  No major reforms anticipated that would lower regulatory hurdles. However, ongoing payor evaluations of cost-effectiveness influence adoption.

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3. Financial Trajectory

3.1 Revenue Drivers and Risks

Driver	Impact	Details
Hospital Adoption	Primary revenue source	Tied to surgical volume increases and hospital policies
Clinician Awareness	Adoption rate	Education campaigns could expand use
Market Expansion	NA-specific growth	Limited by regulatory restrictions
Patents/IP	Patent expiry in 2028	May open for biosimilars or generics, affecting revenue

3.2 Revenue Projection Model (2023–2028)

Year	Estimated Revenue (USD Millions)	CAGR	Notes
2023	100	—	Baseline post-approval sales
2024	105	5%	Slight growth, increased hospital uptake
2025	115	8.6%	Expanding indications, broader adoption
2026	125	8.7%	Regulatory allowances possibly improved
2027	130	4%	Plateau phase approaching patent expiry
2028	135	3.8%	Patent expiry; potential generic entry

Assumptions: Steady surgical procedure growth, stable reimbursement, no significant regulatory or competitive disruptions.

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4. Competitive Analysis

Aspect	Veletri (Alvimopan)	Methylnaltrexone	Naloxegol	Traditional Agents
Indication	POI prevention	OIC (adults)	OIC	Symptomatic relief mostly
Regulatory Status	Approved for POI	Approved for OIC	Approved for OIC	Off-label, no approvals specific
Market Penetration	Low to moderate	High for OIC	Growing	Widespread but non-specific
Cost per Dose (USD)	~$50–$100	~$120–$250	~$150–$250	Variable, cheaper
Reimbursement Complexity	Hospital-specific	Insurance	Insurance	Variable

Implication: Alvimopan's niche positioning and limited competition support its financial stability in specific hospital settings.

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5. Investment Considerations

5.1 Opportunities

• Patent Expiry and Biosimilar Potential: Opportunities for generic entry post-2028 could dramatically alter revenue trajectories.
• Expansion into Other Indications: Exploring chronic GI motility disorders could diversify revenue streams.
• Regulatory Campaigns: Changing policies to relax restrictions may significantly boost sales.

5.2 Risks

• Regulatory Constraints: Strict FDA limitations restrict dosage and patient population.
• Market Penetration Challenges: Slow adoption and hospital reluctance impede revenue growth.
• Competitive Alternatives: Emerging therapies or off-label use of existing drugs could erode market share.
• Patent Cliff: Patent expiry in 2028 could precipitate a sharp decline unless new formulations or indications are developed.

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6. Comparative Market Analysis

Aspect	Veletri (Alvimopan)	Competitor Drugs	Market Position
Established Indication	POI prevention	OIC	Niche, hospital-focused
Market Size (USD Millions)	~$350	Varies (~2–3x for OIC drugs)	Limited but targeted
Growth Rate	4-6%	5-10% (OIC market)	Stable with growth potential
Patent Status	Until 2028	Varies	Patent cliff in near future

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7. FAQs

Q1: What is the primary market for VELETRI (Alvimopan)?
A: The primary market involves hospitalized adult patients undergoing bowel resection surgery, where the drug is used to reduce postoperative ileus risk.

Q2: How does regulatory restriction impact its sales potential?
A: FDA limitations on dosing and hospital-only administration restrict widespread adoption, capping revenue growth and market penetration.

Q3: What is the outlook post-patent expiry?
A: Patent expiry around 2028 could lead to generic competition, substantially reducing prices and profits unless new indications or formulations are developed.

Q4: How does VELETRI compare to opioid-induced constipation drugs?
A: While both are mu-opioid receptor antagonists, VELETRI is specifically approved for POI, with a more limited but niche market than broad-spectrum OIC treatments.

Q5: Are there opportunities for expansion beyond current indications?
A: Yes, exploring chronic GI motility disorders or developing combination formulations could diversify revenue streams.

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8. Key Takeaways

• Market Niche with Growth Potential: VELETRI remains relevant in reducing postoperative ileus, with steady growth tied to improved surgical volumes and hospital adoption.

• Regulatory and Patent Risks: Restrictions and upcoming patent expiration in 2028 present both challenges and opportunities; strategic development before patent expiry is crucial.

• Competitive Landscape: Limited direct competition with emerging alternatives emphasizes the importance of maintaining hospital advocacy and reimbursement strategies.

• Expansion Opportunities: Broadened indications and policy changes could significantly enhance revenue trajectories.

• Investment Implication: A cautious position is advised, contingent on regulatory developments, patent landscape, and hospital adoption rates. Long-term prospects hinge on innovation and market expansion strategies.

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References

[1] MarketResearch.com, "Postoperative Ileus Market Analysis," 2022.
[2] Industry data compiled from hospital procurement reports, 2022.
[3] Fitch Solutions, "Healthcare Market Outlook," 2022.