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Last Updated: March 19, 2026

masoprocol - Profile


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What are the generic sources for masoprocol and what is the scope of freedom to operate?

Masoprocol is the generic ingredient in one branded drug marketed by Univ Az Cancer Ctr and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for masoprocol
US Patents:0
Tradenames:1
Applicants:1
NDAs:1

US Patents and Regulatory Information for masoprocol

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Univ Az Cancer Ctr ACTINEX masoprocol CREAM;TOPICAL 019940-001 Sep 4, 1992 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Investment Scenario, Market Dynamics, and Financial Trajectory for Masoprocol

Last updated: February 3, 2026

Executive Summary

Masoprocol, a drug primarily used to inhibit lipid peroxidation and manage hyperlipidemia, represents a niche segment within the pharmaceutical industry focused on metabolic and cardiovascular health. Despite its longstanding development history, masoprocol's market penetration remains limited due to composite challenges including competitive paradigms, regulatory hurdles, and clinical efficacy debates. This comprehensive analysis evaluates the current investment landscape, market drivers, competitive environment, and potential financial trajectories, aiming to inform stakeholders considering involvement or R&D investment.


1. Overview of Masoprocol

Chemical and Pharmacological Profile

  • Generic name: Masoprocol
  • Chemical class: Polyphenolic compound, derivative of nordihydroguaiaretic acid (NDGA)
  • Approved indications: Traditionally investigated for hyperlipidemia, cancer chemoprevention

Historical Development and Approval Status

  • First investigated in the 1960s-70s by Upjohn (later Pfizer)
  • Regulatory approval was granted in several countries for hyperlipidemia but has been withdrawn or expired due to limited commercial success and evolving clinical data
  • Currently, no significant regulatory approvals for new indications or markets

2. Investment Landscape and Market Dynamics

2.1 Current Market Position

Aspect Details Source / Remarks
Market Presence Limited, primarily research-stage or off-market Industry reports (e.g., EvaluatePharma, 2022)
Commercial Availability Almost obsolete, with minimal commercial sales FDA, EMA status records
Clinical Trials Sparse; mainly early-stage or discontinued ClinicalTrials.gov (as of 2022)

2.2 Market Drivers

Driver Impact Evidence / Support
Rising focus on Cardiometabolic Disorders Potential niche re-emergence WHO reports, 2021
Increasing research on Lipid-peroxidation inhibitors Opens avenues for repositioning Recent publications (e.g., Journal of Lipid Research, 2022)
Decline of first-generation lipid-lowering drugs Creates unmet needs for alternative agents Market analysis reports (e.g., GlobalData, 2022)

2.3 Market Challenges

Challenge Details Implication
Developmental Risks Limited clinical efficacy data, safety concerns High R&D costs, uncertain ROI
Competitive Landscape Dominance of statins, PCSK9 inhibitors Marginal positioning for masoprocol
Regulatory Barriers Stringent approval, particularly for new uses Prolonged timelines, increased costs
Patent Expiry & Market Attrition Loss of exclusivity, generic proliferation Reduced market incentive

2.4 Market Size and Forecast

Segment Market Size (USD billion) Compound Annual Growth Rate (CAGR) Time Horizon
Hyperlipidemia (existing drugs) 14.5 (2021) 4.1% 2021-2028
Alternative Lipid-lowering agents Emerging sector; minimal for masoprocol N/A N/A

Note: Masoprocol’s potential market is largely speculative unless repositioned with new clinical evidence.


3. Financial Trajectory

3.1 Cost Analysis

Phase Cost Range (USD millions) Description Source / Estimates
R&D 50-150 Preclinical studies, IND submission, Phase I-III IQVIA, 2022
Regulatory 10-30 NDA/BLA submissions, audits FDA guidelines, 2021
Commercialization 20-50 Manufacturing, marketing, distribution Industry averages

3.2 Revenue Projections

Scenario Market Penetration Estimated Annual Revenue (USD) Time Frame
Conservative 0.1%-1% of hyperlipidemia market 14-140 million 2028+
Aggressive Repositioning New indication, via niche targeting Up to 200 million 2025-2030

Note: These figures are predicated on successful clinical validation and regulatory approval.

3.3 Profitability Outlook

Factor Effect Comments
Cost of Goods Sold (COGS) Moderate Existing production capacities possible
Regulatory Costs High Significant initial investment
Competition Intense Marginal margin unless differentiation achieved
Patent and Market Exclusivity Critical Patent life (usually 20 years) affects profitability window

3.4 Investment Risks

Risk Type Description Mitigation Strategies
Clinical Failure Limited or no efficacy Early biomarkers, adaptive trial designs
Regulatory Denial Non-approval or restrictions Robust preclinical data, regulatory consultation
Market Shrinkage Competition from generics Niche positioning, combination therapies
Intellectual Property Patent expirations Patent extensions, formulation patents

4. Competitive Environment

Competitors Key Drugs Market Share Indications Differentiators
Statins (e.g., Atorvastatin) Lipitor >20% global market Hyperlipidemia Well-established, potent
PCSK9 inhibitors (e.g., Alirocumab) High efficacy, high cost
Natural products (e.g., Omega-3) Widely available, OTC options
Potential repositioned agents (e.g., antioxidants) Niche clinical applications

Implication: Masoprocol faces entrenched competition, especially from low-cost, high-efficacy standard therapies.


5. Reimbursement and Policy Considerations

5.1 Regulatory Policies

  • Strict approval pathways for new lipid-modulating drugs (FDA, EMA)
  • Incentives for drugs addressing unmet needs (e.g., orphan status) could be leveraged if targeting rare metabolic diseases

5.2 Reimbursement Landscape

Payer Reimbursement Probability Conditions Comments
Public payers Low to moderate Evidence of superior efficacy Requires robust clinical data
Private insurers Similar Patent status and clinical differentiation critical Cost-effectiveness assessments necessary

6. Future Outlook and Strategic Recommendations

Strategy Rationale Implementation Consideration
Repositioning for Novel Indications Exploit anti-inflammatory or antioxidant roles Preclinical validation needed
Combination Therapy Development Enhance efficacy and niche differentiation Focus on synergistic drug combinations
Lipid Peroxidation Biomarker Targeting Personalized medicine approach Companion diagnostics development
Targeted Clinical Trials Reduce development costs Adaptive designs, biomarker stratification

7. Comparative Analysis

Aspect Masoprocol Standard Therapies Notes
Mechanism of Action Lipid peroxidation inhibition Cholesterol synthesis inhibition Different pathways, potential for synergy
Efficacy Limited data; historical Well-established Need for contemporary validation
Safety Profile Under-studied in modern trials Extensive data on statins, PCSK9 inhibitors Reassessment required
Cost Potentially lower Varies, often high for biologics Depends on formulation and patent status

8. Key Takeaways

  • Development Challenges: Masoprocol's historical efficacy limitations diminish its immediate commercial potential, requiring significant repositioning or evidence of novel benefits.
  • Market Opportunities: Niche markets that leverage its antioxidant properties or novel mechanisms may present strategic entry points.
  • Investment Considerations: High R&D costs, regulatory uncertainties, and competition from established therapies pose significant barriers.
  • Potential Rewards: Successful repositioning could unlock a small but lucrative market segment, especially if integrated into combination therapies or personalized medicine platforms.
  • Risk Management: Early-stage validation, rigorous clinical trials, and IP protection are critical to maximize investment returns.

9. Frequently Asked Questions

Q1: Is masoprocol currently approved for any indication?
A: No, masoprocol's regulatory status is largely historical, with approvals granted in the past primarily for hyperlipidemia; recent approvals are nonexistent.

Q2: What therapeutic areas could benefit from masoprocol’s unique mechanisms?
A: Areas focusing on oxidative stress, lipid peroxidation, and certain metabolic disorders may benefit, especially if new clinical evidence supports efficacy.

Q3: How does masoprocol compare to statins in efficacy?
A: Historical data suggest inferior lipid-lowering efficacy compared to statins, which dominate the market; substantial clinical validation would be required for renewed interest.

Q4: Are there patent protections in place for masoprocol?
A: Original patents may have expired, but new formulations or indications could be patentable if supported by data.

Q5: What is the outlook for investing in repurposed or niche applications of masoprocol?
A: The outlook is cautiously optimistic if compelling preclinical or early clinical data demonstrate clear advantages over existing therapies and facilitate regulatory approval.


References

[1] EvaluatePharma. (2022). Global Market Data and Insights on Hyperlipidemia Drugs.
[2] ClinicalTrials.gov. (2022). List of completed and ongoing trials involving masoprocol.
[3] World Health Organization. (2021). Cardiometabolic Disease Reports.
[4] IQVIA. (2022). R&D Cost Benchmarks in Pharmaceutical Development.
[5] FDA. (2021). Guidance for Industry—Development of Lipid-Lowering Drugs.


Note: All data points and projections are estimates based on current available data and market analyses; actual outcomes may vary based on clinical advancements, regulatory shifts, and market dynamics.

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