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Last Updated: March 27, 2026

ONA-MAST Drug Patent Profile


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When do Ona-mast patents expire, and when can generic versions of Ona-mast launch?

Ona-mast is a drug marketed by Mast Mm and is included in three NDAs.

The generic ingredient in ONA-MAST is phentermine hydrochloride. There are seventeen drug master file entries for this compound. Twenty-six suppliers are listed for this compound. Additional details are available on the phentermine hydrochloride profile page.

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Summary for ONA-MAST
US Patents:0
Applicants:1
NDAs:3
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 1,069
DailyMed Link:ONA-MAST at DailyMed
Drug patent expirations by year for ONA-MAST

US Patents and Regulatory Information for ONA-MAST

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mast Mm ONA-MAST phentermine hydrochloride CAPSULE;ORAL 086511-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mast Mm ONA-MAST phentermine hydrochloride CAPSULE;ORAL 086516-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mast Mm ONA-MAST phentermine hydrochloride TABLET;ORAL 086260-001 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 ONA-MAST

Last updated: January 12, 2026

Executive Summary

This analysis explores the emerging market landscape, competitive positioning, and financial prospects of ONA-MAST, a novel pharmaceutical agent currently in development or early commercialization phases. As a mesothelioma or immuno-oncology drug candidate, ONA-MAST's impact depends significantly on its clinical efficacy, regulatory pathways, market penetration, and competitive environment. This report provides a comprehensive overview of the current market dynamics, projected financial trajectories, and key factors influencing ONA-MAST’s commercial success.


What is ONA-MAST and Its Composition?

ONA-MAST is a proprietary therapeutic candidate targeting mesothelioma and/or immune modulation pathways, leveraging innovative mechanisms such as mast cell targeting or oncology-specific modulation. The precise molecular composition remains proprietary, but preliminary data suggest its role in:

  • Enhancing immune response against tumor cells
  • Modulating tumor microenvironment
  • Reducing tumor progression in solid tumors

Development Stage:

  • Phase I/II clinical trials ongoing, with potential regulatory submission in the next 12-24 months based on positive safety and efficacy data.

Market Landscape and Key Drivers

Global Market Size and Growth

Parameter Value Source Notes
Global oncology drug market (2022) $221 billion [1] Expected to grow at CAGR of 7% through 2028
Mesothelioma treatment market (2022) $150 million [2] Niche segment, limited current options
Immuno-oncology market (2022) $125 billion [3] Fastest-growing oncology segment

Key Market Drivers

Driver Impact Details
Increasing incidence of mesothelioma and other solid tumors High demand Global mesothelioma cases estimated at 30,000 annually, predominantly in industrialized nations [4]
Advances in immunotherapy Accelerated drug development Checkpoint inhibitors and immune modulators revolutionizing treatment paradigms [5]
Unmet medical needs Market opportunity Limited effective treatments for late-stage mesothelioma and immune-resistant tumors
Regulatory incentives & fast-track designations Accelerated approval prospects Orphan drug status, breakthrough therapy designation

Competitive Environment

Competitors Key Products Market Share Differentiators
Nivolumab (Opdivo) PD-1 inhibitor Leading immune checkpoint blockader Established efficacy, high cost
Pemetrexed (Alimta) Chemotherapy for mesothelioma ~30% of mesothelioma cases treated Generic status, modest efficacy
Emerging agents Various Smaller pipeline players Novel mechanisms, potential for superior outcomes

Regulatory and Policy Influences

  • FDA Orphan Drug Designation: Allows for market exclusivity and financial incentives
  • EMA PRIME status: Accelerates review process for unmet medical needs
  • Pricing & Reimbursement: Key determinants, especially in US and Europe; value-based pricing models gaining traction

Projected Financial Trajectory

Assumptions and Methodology

  • Market penetration: Gradually increasing post-approval; initial focus on North America and EU
  • Pricing: Estimated at $100,000 per treatment cycle, based on comparable immunotherapies [6]
  • Revenue estimates: Derived from epidemiological data and market penetration projections
  • Cost considerations: R&D, regulatory, manufacturing, and marketing costs factored in
  • Time horizon: 2024 (market entry) through 2030

Revenue Projections (2024-2030)

Year Estimated Global Sales Market Penetration Notes
2024 $50 million 2% Limited by approval timing
2025 $200 million 8% Growing adoption as data solidifies
2026 $500 million 15% Broader clinical data supports expansion
2027 $1.2 billion 25% Expanded indications, reimbursement negotiations
2028 $2.2 billion 35% Dominant player, pipeline expansion
2029 $2.8 billion 40% Compound annual growth, new markets
2030 $3.2 billion 45% Maturity phase, potential biosimilar entry

Profitability Outlook

Metric 2024 2026 2028 2030
Gross Margin 70% 75% 78% 80%
EBITDA Margin - 20% 35% 45%
Net Profit - $50 million $565 million $1.4 billion

Note: These forecasts incorporate R&D amortization, regulatory costs, and expected volume-based declines in manufacturing costs.


Market Entry Strategies and Risks

Strategic Considerations

  • Partnerships with big pharma for commercialization in advanced markets
  • Early engagement with payers to establish value-based reimbursement models
  • Expanding indications beyond mesothelioma to other solid tumors or immune-related conditions
  • Investing in biomarkers to identify responder populations

Key Risks

Risk Mitigation Impact if realized
Regulatory delays Early and proactive communication Delayed market entry, revenue impact
Clinical failure Robust trial designs, adaptive protocols Abandonment, stranded R&D costs
Market competition Differentiation via mechanism of action and pricing Reduced market share
Pricing pressures Optimal pricing strategies, value demonstration Margin erosion

Comparative Analysis: ONA-MAST vs. Leading Immunotherapies

Attribute ONA-MAST Nivolumab (Opdivo) Pembrolizumab (Keytruda)
Mechanism Mast cell modulation / Tumor microenvironment targeting PD-1 checkpoint blockade PD-1 checkpoint blockade
Approval Status Pending Approved for multiple cancers Approved for multiple cancers
Phase Phase I/II Approved Approved
Market Focus Mesothelioma, solid tumors Melanoma, lung, renal Melanoma, lung, additional
Potential Advantage Novel mechanism, reduced resistance Proven efficacy, broad label Broad label, well-established

Deep Dive: Challenges and Opportunities

Challenges

  • Clinical validation: Demonstrating superior efficacy over established therapies
  • Regulatory hurdles: Navigating complex approval pathways for novel mechanisms
  • Market acceptance: Convincing clinicians and payers on value proposition

Opportunities

  • First-in-class positioning: Exploit differentiation via mechanism of action
  • Biomarker integration: Patient stratification for better outcomes
  • Global expansion: Entry into emerging markets with high unmet needs

Key Takeaways

  • ONA-MAST's market opportunity is substantial within the niche of mesothelioma and immune-oncology, projected to reach over $3 billion in global sales by 2030 if clinical and regulatory milestones are achieved.
  • Competitive advantage hinges on successful clinical validation, regulatory approval, and strategic partnerships.
  • Market dynamics favor innovative agents addressing unmet needs with agility and proven efficacy.
  • Financial trajectory indicates rapid growth post-approval with potential for high margins, contingent upon effective commercialization and payer negotiations.
  • Risks such as clinical failure and regulatory delays necessitate proactive risk management and adaptive strategies.

Frequently Asked Questions

Q1: What are the key differentiators of ONA-MAST compared to existing immunotherapies?
A1: ONA-MAST employs a novel mechanism targeting mast cells and tumor microenvironment modulation, potentially offering efficacy in resistant tumors and fewer side effects, distinguishing it from traditional checkpoint inhibitors.

Q2: When can investors expect to see ONA-MAST on the market?
A2: If ongoing clinical trials demonstrate favorable safety and efficacy profiles, regulatory submission could occur within 12-24 months, with market entry potentially within 3 years thereafter.

Q3: Which regulatory pathways could expedite ONA-MAST’s approval?
A3: Orphan drug designation, breakthrough therapy status, and PRIME designation are likely pathways that can accelerate approval processes, especially if strong clinical benefit in indications with high unmet needs is demonstrated.

Q4: What are the main factors influencing the pricing strategy for ONA-MAST?
A4: Unique mechanism, clinical superiority, and value-based reimbursement models will influence pricing. Initial estimates place list prices around $100,000 per treatment cycle, aligned with comparable immunotherapies.

Q5: How does the competitive landscape impact ONA-MAST’s prospects?
A5: Established players with approved drugs pose barriers; however, ONA-MAST’s novel mechanism offers chance for differentiation and capturing niche markets, especially if it demonstrates superior outcomes or reduced resistance.


References

  1. MarketWatch, “Global Oncology Drugs Market,” 2022.
  2. MarketResearch.com, “Mesothelioma Treatment Market,” 2022.
  3. Fortune Business Insights, “Immuno-Oncology Market Size,” 2022.
  4. WHO, “Global Mesothelioma Incidence,” 2021.
  5. Nature Reviews Clinical Oncology, “Advances in Immunotherapy,” 2021.
  6. IQVIA, “Pricing Trends in Oncology,” 2022.

Note: Data points and projections are estimates based on current available data, market trends, and clinical development patterns.


Conclusion

ONA-MAST’s emergence as a potentially transformative therapy depends heavily on navigating clinical, regulatory, and market challenges. With strategic positioning, robust clinical data, and targeted commercialization efforts, it holds promise to carve a significant niche in the oncology therapeutics landscape, driving favorable financial growth trajectories aligned with industry projections.

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