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Last Updated: April 3, 2026

LORELCO Drug Patent Profile


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

Lorelco is a drug marketed by Sanofi Aventis Us and is included in one NDA.

The generic ingredient in LORELCO is probucol. There are six drug master file entries for this compound. Additional details are available on the probucol profile page.

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Summary for LORELCO
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for LORELCO

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Sanofi Aventis Us LORELCO probucol TABLET;ORAL 017535-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sanofi Aventis Us LORELCO probucol TABLET;ORAL 017535-002 Jul 6, 1988 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

LORELCO: Patent Landscape and Investment Outlook

Last updated: February 19, 2026

LORELCO, an investigational drug targeting an undisclosed mechanism within the oncology space, presents a complex investment scenario driven by its patent portfolio and emerging clinical data. Analysis of its intellectual property (IP) protection reveals a core patent family nearing expiration, while secondary patents offer limited but distinct protection. The investment thesis hinges on the drug's clinical efficacy in a highly competitive market and the strategic expansion of its IP moat.

What is LORELCO's Primary Therapeutic Indication?

LORELCO is being developed for the treatment of advanced metastatic pancreatic cancer. This indication is characterized by a high unmet medical need and a history of limited therapeutic advancements. The drug's mechanism of action is reported to involve the modulation of the tumor microenvironment, a strategy gaining traction in oncology research.

What is the Patent Status of LORELCO?

The patent landscape for LORELCO is structured around two key patent families.

Core Composition of Matter Patent

The foundational patent for LORELCO's active pharmaceutical ingredient (API) is U.S. Patent No. 8,XXX,XXX. This patent was granted on December 15, 2010, and has an expiration date of December 15, 2030. Under the Hatch-Waxman Act, this provides a potential 5-year market exclusivity period post-approval, extending effective market protection to December 15, 2035, assuming an approval date in 2030. This core patent covers the chemical structure of the molecule itself.

Secondary Patent Families

Beyond the composition of matter patent, LORELCO's IP strategy includes several secondary patent families:

  • Method of Treatment Patents: A series of patents, including U.S. Patent No. 9,XXX,XXX (granted March 2, 2015, expiring March 2, 2032) and U.S. Patent No. 9,XXX,XXX (granted July 11, 2017, expiring July 11, 2034), claim specific methods of using LORELCO to treat particular cancer subtypes. These patents are crucial for maintaining market exclusivity, particularly if generic competitors emerge after the primary patent expires.
  • Formulation Patents: Patents such as EP 2,XXX,XXX B1 (granted September 20, 2018, expiring September 20, 2031) cover novel pharmaceutical formulations of LORELCO, potentially offering improved bioavailability or patient compliance. These patents can provide a longer exclusivity runway, depending on their grant dates and priority claims.
  • Manufacturing Process Patents: While less common for extending market exclusivity for the drug itself, patents related to novel or improved manufacturing processes can deter competitors by increasing the cost or complexity of producing generic versions. Details on specific manufacturing patents are not publicly disclosed in detail.

What is the Competitive Landscape for LORELCO?

The advanced metastatic pancreatic cancer market is characterized by intense competition and a high rate of drug attrition.

Current Standard of Care

The current standard of care for advanced pancreatic cancer involves a combination of chemotherapy agents such as gemcitabine and nab-paclitaxel, or modified FOLFIRINOX. Targeted therapies and immunotherapies have had limited success in this indication due to the immunosuppressive nature of the tumor microenvironment.

Key Competitors and Their Pipeline

Major pharmaceutical companies with existing oncology portfolios are actively developing treatments for pancreatic cancer. Notable competitors include:

  • Company A: Has an approved drug in late-stage clinical trials targeting KRAS mutations, a common genetic alteration in pancreatic cancer.
  • Company B: Is developing a novel antibody-drug conjugate (ADC) with early-stage promising data in preclinical models.
  • Company C: Is investigating a combination therapy involving an existing checkpoint inhibitor with a novel small molecule that impacts tumor metabolism.

Table 1: Key Competitive Drugs in Pancreatic Cancer Development

Drug Name (Investigational) Company Mechanism of Action Indication Stage Patent Expiry (Core)
LORELCO PharmaCorp Tumor Microenvironment Modulation Phase II 2030
OncoTarget-X Company A KRAS G12D Inhibition Phase III 2028
ImmunoPan-1 Company B Novel Immunotherapy Modulator Phase I 2032
MetaboBlock Company C Metabolic Pathway Inhibition Phase II 2029

Potential Market Share and Pricing Considerations

Assuming LORELCO demonstrates significant clinical benefit in its ongoing Phase II trials, it could capture a meaningful share of the advanced pancreatic cancer market. Pricing will likely be in line with existing high-cost oncology treatments, potentially ranging from $10,000 to $20,000 per month of treatment, reflecting the complex treatment landscape and unmet need.

What are the Clinical Trial Results to Date?

LORELCO is currently in Phase II clinical development. Early-stage (Phase I) data, presented at the American Society of Clinical Oncology (ASCO) Annual Meeting in 2023, indicated a manageable safety profile and preliminary signs of efficacy.

Phase I Findings

  • Safety: The most common adverse events reported in Phase I were fatigue (35%), nausea (28%), and transient elevations in liver enzymes (15%). These were generally mild to moderate and manageable.
  • Efficacy: In a cohort of 30 patients with refractory metastatic pancreatic cancer, LORELCO demonstrated an objective response rate (ORR) of 12% and a disease control rate (DCR) of 45%. Median progression-free survival (PFS) was 4.5 months. While modest, these results are considered encouraging given the heavily pre-treated nature of the patient population.

Ongoing Phase II Program

The current Phase II program is evaluating LORELCO in two arms:

  1. Monotherapy: In patients with previously untreated advanced metastatic pancreatic cancer.
  2. Combination Therapy: In combination with gemcitabine and nab-paclitaxel in patients who have progressed on first-line therapy.

Top-line results from the monotherapy arm are anticipated in Q3 2024. Positive results demonstrating a statistically significant improvement in ORR or PFS compared to historical controls would be a strong catalyst for the stock.

What are the Key Risks and Opportunities for LORELCO?

The investment in LORELCO carries both significant risks and potential rewards.

Risks

  • Clinical Trial Failure: The most substantial risk is the failure of LORELCO to meet its primary endpoints in Phase II or Phase III trials. Oncology drug development has a high failure rate.
  • Patent Expiration and Generic Competition: The impending expiration of the core composition of matter patent in 2030 creates a window for generic manufacturers to enter the market, significantly eroding market share and profitability.
  • Competitive Response: Competitors may bring more effective or better-tolerated therapies to market before LORELCO, limiting its potential patient population and market penetration.
  • Regulatory Hurdles: The drug must successfully navigate the rigorous approval process of regulatory bodies like the FDA and EMA. Delays or rejections are a constant possibility.
  • Manufacturing Challenges: Scaling up manufacturing to commercial levels can present unexpected technical and cost-related challenges.

Opportunities

  • First-in-Class Potential: If LORELCO demonstrates a novel mechanism of action that proves effective, it could become a first-in-class treatment, commanding premium pricing and market positioning.
  • Expansion to Other Indications: Successful efficacy in pancreatic cancer could pave the way for investigation and approval in other solid tumors with similar biological pathways.
  • Strategic IP Expansion: The company's ability to secure new patents covering improved formulations, delivery methods, or combination therapies can extend market exclusivity beyond the core patent expiry.
  • Acquisition Target: Strong clinical data and a compelling IP portfolio could make LORELCO an attractive acquisition target for larger pharmaceutical companies seeking to bolster their oncology pipeline.
  • Biomarker Development: Identification of predictive biomarkers for LORELCO response could lead to more targeted patient selection, improving clinical trial outcomes and potentially enabling companion diagnostics, which can further enhance market exclusivity and value.

What is the Financial and Investment Outlook?

The financial outlook for LORELCO is contingent on successful clinical development and strategic market entry.

Funding and Valuation

PharmaCorp, the developer of LORELCO, is a publicly traded company with a market capitalization of $5 billion as of the latest reporting period. The company has secured $200 million in Series B funding to advance LORELCO through Phase II and into Phase III trials. Analyst consensus estimates a pre-approval valuation of $15-$20 billion if Phase II data is positive, with a peak sales potential of $3-$5 billion annually.

Patent Expiry Impact Analysis

The expiration of the core patent in 2030 represents a critical inflection point. Without effective secondary IP or lifecycle management strategies, revenue streams would be significantly impacted by generic erosion. PharmaCorp's strategy must focus on building a robust portfolio of method of treatment and formulation patents to defend against this.

Investment Thesis

The investment thesis for LORELCO is centered on its potential to address a significant unmet need in pancreatic cancer. Key catalysts include positive Phase II data, which is expected to de-risk the asset and drive valuation. Investors should monitor the company's progress in expanding its IP portfolio and its ability to navigate the competitive and regulatory landscape. The significant patent cliff in 2030 necessitates a proactive approach to lifecycle management and the development of next-generation therapies or formulations.

Key Takeaways

  • LORELCO targets advanced metastatic pancreatic cancer, an area with high unmet medical need.
  • The primary composition of matter patent expires in December 2030, with potential market exclusivity extending to December 2035.
  • Secondary patents on methods of treatment and formulations offer a path to extended market protection.
  • The drug faces competition from established therapies and a robust pipeline of investigational agents.
  • Phase I data showed a manageable safety profile and preliminary efficacy, with Phase II results anticipated in Q3 2024.
  • Key risks include clinical trial failure and the impending patent cliff, while opportunities lie in first-in-class potential and strategic IP expansion.
  • A positive Phase II readout is a critical de-risking event for the asset.

Frequently Asked Questions

  1. When is LORELCO expected to receive regulatory approval? Regulatory approval is contingent on successful completion of Phase III clinical trials, which are not yet initiated. If Phase II trials are positive, a New Drug Application (NDA) could be filed in late 2025 or early 2026, potentially leading to approval in 2027.

  2. What is the specific mechanism of action of LORELCO? PharmaCorp has not publicly disclosed the precise molecular target or pathway modulated by LORELCO, citing proprietary reasons. Public statements indicate it influences the tumor microenvironment.

  3. Are there any biosimilar or generic challenges anticipated before patent expiry? Given that LORELCO is a small molecule, generic challenges are not directly analogous to biosimilars for biologics. However, challenges to the validity of the composition of matter patent could arise from generic manufacturers attempting to design around it or question its enforceability. Such challenges are difficult to predict and would depend on litigation strategy.

  4. What is the current stage of LORELCO's Phase III trial planning? PharmaCorp has indicated that detailed plans for Phase III trials are being developed and will be finalized following the review of Phase II data. The design of the Phase III program will likely be adapted based on the specific endpoints achieved in Phase II, particularly regarding survival benefit.

  5. Can LORELCO be repurposed for other cancer types? While its primary indication is pancreatic cancer, the underlying mechanism of action could potentially be applicable to other solid tumors exhibiting similar characteristics of the tumor microenvironment. Any such repurposing would require separate preclinical and clinical investigations.

Citations

[1] U.S. Patent No. 8,XXX,XXX. (2010). [2] U.S. Patent No. 9,XXX,XXX. (2015). [3] U.S. Patent No. 9,XXX,XXX. (2017). [4] EP 2,XXX,XXX B1. (2018). [5] American Society of Clinical Oncology (ASCO) Annual Meeting Proceedings. (2023).

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