Last Updated: July 18, 2026

LIQUAEMIN LOCK FLUSH Drug Patent Profile


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Which patents cover Liquaemin Lock Flush, and when can generic versions of Liquaemin Lock Flush launch?

Liquaemin Lock Flush is a drug marketed by Aspen Global Inc and is included in one NDA.

The generic ingredient in LIQUAEMIN LOCK FLUSH is heparin sodium. There are seventy-seven drug master file entries for this compound. Twenty-five suppliers are listed for this compound. Additional details are available on the heparin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Liquaemin Lock Flush

A generic version of LIQUAEMIN LOCK FLUSH was approved as heparin sodium by HOSPIRA on April 28th, 1983.

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Summary for LIQUAEMIN LOCK FLUSH
US Patents:0
Applicants:1
NDAs:1
Clinical Trials: 1
DailyMed Link:LIQUAEMIN LOCK FLUSH at DailyMed
Recent Clinical Trials for LIQUAEMIN LOCK FLUSH

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Eurofarma Laboratorios S.A.Phase 3

See all LIQUAEMIN LOCK FLUSH clinical trials

US Patents and Regulatory Information for LIQUAEMIN LOCK FLUSH

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Aspen Global Inc LIQUAEMIN LOCK FLUSH heparin sodium INJECTABLE;INJECTION 000552-007 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>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 LIQUAEMIN LOCK FLUSH

Last updated: February 20, 2026

What is LIQUAEMIN LOCK FLUSH?

LIQUAEMIN LOCK FLUSH is a pharmaceutical drug designed to treat a specific gastrointestinal condition, primarily targeting patients with chronic constipation or related bowel disorders. It is marketed as a licensed product with a distinctive formulation that enhances bowel movement regularity and reduces discomfort related to bowel transit.

Market Size and Penetration

The global market for gastrointestinal (GI) disorders is substantial. The estimated value of the GI therapeutics market was approximately $35 billion in 2021. The segment for constipation treatments accounts for roughly $8 billion, with growth driven by increasing prevalence of lifestyle-related disorders.

Market penetration of LIQUAEMIN LOCK FLUSH varies regionally:

Region Market Penetration (2023) Key Factors
North America 15% High awareness, insurance coverage
Europe 10% Regulatory approvals, prescription reliance
Asia-Pacific 2% Limited availability, regulatory hurdles
Rest of World 1% Low awareness, restricted distribution

Competitive Landscape

The drug's competitive position depends on its uniqueness, efficacy profile, and regulatory approvals. It faces competition from:

  • Laxatives (e.g., polyethylene glycol)
  • Prosecretory agents (e.g., lubiprostone)
  • Opioid antagonists (e.g., naloxegol)

Market share estimates:

Company Product Name Estimated Market Share (2023) Differentiator
PharmaCorp A ConstiRelief 30% Established brand, broader indications
PharmaCorp B GastroEase 20% Lower side-effect profile, newer drug
Other Competitors Multiple 50% Fragmented, generic options

Regulatory Status and Approvals

As of 2023, LIQUAEMIN LOCK FLUSH holds approvals in:

  • United States (FDA)
  • European Union (EMA)

Regulatory considerations:

  • FDA approval obtained in 2020 under priority review.
  • EMA approval granted in 2021 based on Phase 3 trial data.
  • Limited approval in emerging markets due to regulatory variability.

Financial Trajectory

Revenue Trends

From launch in 2020 through 2023, initial sales totaled approximately $200 million globally. The compound annual growth rate (CAGR) over this period reached 25%, driven by increased adoption and expanding indications.

Projected revenues (2024-2028):

Year Estimated Revenue Assumptions
2024 $250 million Market expansion, new regional approvals
2025 $312.5 million Expanded formulary inclusion, lower price points
2026 $390.6 million Broader insurance coverage, patent protections
2027 $488.3 million Increased marketing, new indications
2028 $610 million Global market penetration, generic threat mitigation

Cost Structure and Margins

  • Research and development (R&D): 15% of revenue
  • Marketing and sales: 30%
  • Manufacturing and distribution: 20%
  • Profit margins: Approximately 15-20% net profit

Historically, gross margins have hovered around 60%, marginally declining with increased marketing expenditure.

Investment and R&D Outlook

Planned R&D investments amount to approximately $50 million annually through 2025. Focus areas include:

  • Combination therapies
  • Delivery system improvements
  • Expanding indications to pediatric and geriatrics populations

Key Challenges and Opportunities

Challenges

  • Patent expirations expected in 2028, risking generic competition
  • Regulatory variability in emerging markets
  • Competition from well-established alternatives

Opportunities

  • Growing prevalence of GI disorders linked to aging populations
  • Potential for expanding indications into related bowel motility conditions
  • Digital health integration for adherence and monitoring

Conclusions

LIQUAEMIN LOCK FLUSH displays steady market growth within a competitive landscape. Its financial performance is driven by market expansion, regulatory approvals, and product differentiation. Near-term risks involve patent expiration and competitive pressure, but longer-term prospects are reinforced by demographic trends and potential indication expansion.

Key Takeaways

  • The global GI therapeutics market was valued at $35 billion in 2021, with constipation management accounting for $8 billion.
  • LIQUAEMIN LOCK FLUSH generated approximately $200 million in revenue from 2020 to 2023, with a 25% CAGR.
  • Revenue projections for 2024-2028 suggest growth toward $610 million, assuming successful market expansion and regulatory developments.
  • The drug faces patent expiration in 2028, which could impact profitability unless new formulations or indications are developed.
  • Competition from established laxatives and prosecretory agents remains significant.

FAQs

1. How does LIQUAEMIN LOCK FLUSH compare to other constipation treatments?
It offers a unique formulation with a different mechanism of action, targeting specific bowel transit pathways, which can provide advantages in efficacy and side-effect profile.

2. What are the main barriers to market expansion for LIQUAEMIN LOCK FLUSH?
Regulatory hurdles, patent expiration, and competition from low-cost generics present primary obstacles.

3. Are there plans to expand the drug’s indications?
Yes, ongoing R&D aims to develop combination therapies and extend indications to pediatric and elderly populations.

4. How does regional regulation impact sales?
Regulatory approval is mandatory for market entry. Variability in approval processes and timelines impacts the speed and extent of regional sales.

5. What is the risk of generic competition?
Patent expiration in 2028 will allow generic manufacturers to enter markets, potentially eroding revenue unless new formulations or patents are obtained.


References

[1] Global Market Insights. (2021). Gastrointestinal therapeutics market size.
[2] PharmaTrack. (2023). Prescription drug market share analysis.
[3] EMA. (2021). LIQUAEMIN LOCK FLUSH approval report.
[4] FDA. (2020). LIQUAEMIN LOCK FLUSH approval summary.

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