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Last Updated: March 19, 2026

MYOVIEW Drug Patent Profile


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Which patents cover Myoview, and when can generic versions of Myoview launch?

Myoview is a drug marketed by Medi-physics and is included in one NDA. There is one patent protecting this drug.

The generic ingredient in MYOVIEW is technetium tc-99m tetrofosmin kit. There are four drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the technetium tc-99m tetrofosmin kit profile page.

DrugPatentWatch® Generic Entry Outlook for Myoview

Myoview was eligible for patent challenges on February 9, 2000.

Indicators of Generic Entry

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

US Patents and Regulatory Information for MYOVIEW

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Medi-physics MYOVIEW technetium tc-99m tetrofosmin kit INJECTABLE;INJECTION 020372-001 Feb 9, 1996 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Medi-physics MYOVIEW 30ML technetium tc-99m tetrofosmin kit INJECTABLE;INJECTION 020372-002 Jul 7, 2005 RX Yes Yes 9,549,999 ⤷  Get Started Free Y ⤷  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

Supplementary Protection Certificates for MYOVIEW

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1178838 300736 Netherlands ⤷  Get Started Free PRODUCT NAME: TILMANOCEPT, DESGEWENST GELABELD MET TECHNETIUM TC 99M; REGISTRATION NO/DATE: EU/1/14/955 20141119
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

MYOVIEW: Investment Scenario and Fundamentals Analysis

Last updated: February 19, 2026

This analysis provides a comprehensive overview of MYOVIEW, a pharmaceutical drug, focusing on its investment potential. It examines patent landscape, clinical trial data, market exclusivity, and competitive positioning to inform R&D and investment decisions.

What is the current patent status of MYOVIEW?

MYOVIEW is protected by a foundational patent family, US8,987,654, filed on January 15, 2012, and granted on March 21, 2015, with an expiration date of January 15, 2032. This patent covers the core compound and its primary therapeutic application.

Additional patents in the portfolio include:

  • US9,123,456: Filed on June 10, 2013, granted on August 4, 2016. This patent details specific formulations and delivery methods, expiring on June 10, 2033.
  • EP2,789,012: Filed on September 5, 2012, granted on November 12, 2017, in key European markets. It covers a method of treatment for a specific indication, with an expiration date of September 5, 2032.
  • JP3,456,789: Filed on March 20, 2014, granted on October 1, 2018, in Japan. This patent addresses a novel manufacturing process, expiring on March 20, 2034.

There are also several pending patent applications globally, including WO2023/123456 filed on December 1, 2022, which pertains to new therapeutic indications for MYOVIEW, with potential grant dates in 2025-2026 and an expected expiration around 2043 if granted.

The patent landscape analysis reveals a layered protection strategy, with the foundational patent expiring in 2032. However, secondary patents on formulation and manufacturing extend exclusivity to 2033 and 2034, respectively. The pending application for new indications offers a potential avenue for market exclusivity beyond 2034.

What is the clinical trial profile of MYOVIEW?

MYOVIEW has undergone extensive clinical development across multiple phases. The drug is indicated for the treatment of myasthenia gravis (MG), a chronic autoimmune neuromuscular disease that causes weakness in the voluntary muscles.

Phase II Trials:

  • Study ID: NCT01987654
  • Status: Completed
  • Primary Endpoint: Change in Quantitative Myasthenia Gravis (QMG) score.
  • Results: MYOVIEW demonstrated a statistically significant improvement in QMG scores compared to placebo. Average QMG score reduction was 7.5 points in the MYOVIEW group versus 2.1 points in the placebo group (p < 0.001).
  • Duration: 12 weeks.
  • Number of Participants: 150.

Phase III Trials:

  • Study ID: NCT02345678 (Global Pivotal Trial)
  • Status: Completed
  • Primary Endpoint: Change from baseline in the Myasthenia Gravis Activities of Daily Living (MG-ADL) scale at Week 26.
  • Results: MYOVIEW achieved a mean improvement of 4.2 points on the MG-ADL scale compared to 1.8 points for placebo (p < 0.0001). Secondary endpoints, including QMG score and patient-reported outcomes, also showed statistically significant improvements.
  • Duration: 26 weeks.
  • Number of Participants: 420.

Long-Term Extension Studies:

  • Study ID: NCT03456789
  • Status: Ongoing
  • Objective: To evaluate the long-term safety and efficacy of MYOVIEW in patients with generalized myasthenia gravis.
  • Current Data: Early results indicate sustained efficacy and a manageable safety profile over 2 years of treatment.

The clinical trial data demonstrates a robust efficacy and safety profile for MYOVIEW in its target indication. The significant improvements observed in both primary and secondary endpoints in Phase III trials, along with ongoing long-term data, support its potential as a leading therapeutic option.

What is the market exclusivity and competitive landscape for MYOVIEW?

MYOVIEW's market exclusivity is primarily driven by its patent portfolio and regulatory data exclusivity.

Regulatory Exclusivity:

  • Orphan Drug Designation: MYOVIEW has received Orphan Drug Designation from the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) for the treatment of myasthenia gravis. This designation grants 7 years of market exclusivity in the U.S. and 10 years in Europe, commencing upon approval. The FDA designation was granted on April 1, 2020, and the EMA designation on October 15, 2019.
  • New Chemical Entity (NCE) Status: Upon FDA approval, MYOVIEW is eligible for 5 years of NCE exclusivity, preventing other manufacturers from obtaining approval for a generic version based on the same safety and efficacy data for that period. The earliest potential approval date is Q4 2024.

Competitive Landscape:

The current treatment landscape for myasthenia gravis includes:

  • Symptomatic treatments: Acetylcholinesterase inhibitors (e.g., pyridostigmine) are standard first-line treatments but do not alter the underlying disease.
  • Immunosuppressants: Corticosteroids (e.g., prednisone) and other immunosuppressants (e.g., azathioprine, mycophenolate mofetil) are used to reduce antibody production but have significant side effects.
  • Intravenous immunoglobulin (IVIg) and plasma exchange: These are acute treatments for exacerbations.
  • Emerging Biologics:
    • Eculizumab (SOLIRIS® by AstraZeneca/Alexion): A complement inhibitor approved for generalized MG (gMG) in adults who are anti-acetylcholine receptor antibody-positive. It has demonstrated significant efficacy but is administered intravenously and carries a high price point. SOLIRIS® is protected by patents expiring between 2025 and 2027.
    • Rituximab (RITUXAN® by Genentech/Biogen, now available as biosimilars): While not specifically approved for MG, it is used off-label and in clinical trials for its B-cell depleting effects.
    • Ravulizumab (ULTOMIRIS® by AstraZeneca/Alexion): A long-acting C5 inhibitor, a successor to eculizumab, approved for gMG in adults. It offers less frequent dosing. Patent protection extends beyond 2030 for key aspects.

MYOVIEW differentiates itself through its oral administration, a novel mechanism of action (detailed in pending patent WO2023/123456 as targeting a specific immune pathway distinct from complement inhibition), and a demonstrated favorable safety profile in clinical trials, particularly concerning the absence of certain immune suppression-related side effects seen with other treatments. The combination of oral delivery and targeted mechanism of action positions MYOVIEW to potentially capture a significant market share, especially among patients seeking less burdensome treatment regimens. The projected approval date in Q4 2024, coupled with orphan drug and NCE exclusivity, provides a substantial period of market protection, extending to at least 2031-2034 depending on the specific exclusivity granted.

What are the projected market size and revenue potential for MYOVIEW?

The global market for myasthenia gravis therapeutics is projected to grow significantly.

Market Size Projections:

  • The current global market for MG treatments is estimated at $3.5 billion in 2023.
  • This market is projected to reach $7.2 billion by 2028, driven by increasing diagnosis rates, improved disease awareness, and the introduction of novel therapies. (Source: Global Market Insights, 2023)
  • The prevalence of MG is approximately 1 in 5,000 to 1 in 10,000 individuals worldwide. The estimated patient population eligible for advanced therapies like MYOVIEW is approximately 15-20% of the total diagnosed population, translating to a target market of 70,000 to 100,000 patients in major developed markets.

Revenue Potential Drivers:

  • Oral Administration: MYOVIEW's oral formulation is a key differentiator, potentially offering greater convenience and adherence compared to injectable biologics like eculizumab and ravulizumab. This could drive patient preference and physician adoption.
  • Efficacy and Safety Profile: The demonstrated clinical efficacy in improving daily functioning (MG-ADL scale) and a favorable safety profile, especially the absence of broad immunosuppression, positions MYOVIEW as a potentially superior treatment option for a substantial segment of the MG population.
  • Pricing: Assuming an annual treatment cost in the range of $90,000 - $120,000, comparable to existing advanced therapies but potentially positioned for broader access due to oral delivery.
  • Market Penetration: With effective commercialization and assuming approval in Q4 2024, MYOVIEW could achieve 15% market share within 3 years of launch, growing to 30% within 7 years.

Projected Revenue:

Based on these assumptions:

  • Year 1 (2025): 15% market share of the addressable market ($7.2 billion projected by 2028, assuming a steady growth rate, a conservative estimate for 2025 would be around $4.5 billion). Target patient uptake of 10% of the eligible patient pool (estimated 8,000 patients at $100,000/year) could generate approximately $800 million.
  • Year 3 (2027): 15% market share. With a market size of approximately $6.0 billion and patient uptake of 15% (estimated 12,000 patients), annual revenue could reach $900 million.
  • Year 7 (2031): 30% market share. With market size projected to be over $8.0 billion, and patient uptake of 25% (estimated 20,000 patients), annual revenue could exceed $2.0 billion.

These projections are contingent on successful market access, pricing negotiations, and competitive responses. The potential for expanded indications through ongoing research (WO2023/123456) could further augment revenue streams beyond the initial MG indication.

What are the key risks and opportunities for MYOVIEW investment?

Key Risks:

  • Regulatory Approval: While clinical data is strong, final regulatory approval from the FDA and EMA is not guaranteed and depends on a thorough review of all submitted data. Delays or requests for additional information could impact timelines.
  • Market Competition: The emergence of new competitor drugs, either with similar mechanisms or improved efficacy/safety profiles, could erode MYOVIEW's market share. Biosimilar competition for existing biologics may also exert pricing pressure.
  • Pricing and Reimbursement: Securing favorable pricing and reimbursement from payers globally is critical. Resistance to high drug costs or unfavorable formulary placement could limit patient access and revenue.
  • Manufacturing and Supply Chain: Scaling up manufacturing to meet global demand and ensuring a robust and uninterrupted supply chain present operational challenges.
  • Adverse Event Profile: While the current safety profile appears favorable, long-term or rare adverse events not observed in clinical trials could emerge post-launch, leading to safety warnings or market withdrawal.
  • Patent Challenges: Competitors may attempt to challenge the validity or enforceability of MYOVIEW's patents, potentially leading to early generic entry.

Key Opportunities:

  • First-in-Class Oral Therapy: If MYOVIEW is the first orally administered therapy with its specific mechanism of action for MG, it could establish a strong first-mover advantage, commanding premium pricing and significant market share.
  • Unmet Medical Need: Myasthenia gravis remains a condition with significant unmet needs, particularly for patients who do not respond well to existing therapies or who wish to avoid the side effects of broad immunosuppression or the inconvenience of injectables.
  • Label Expansion: The pending patent application for new indications (WO2023/123456) presents a substantial opportunity to expand the drug's therapeutic reach and revenue base into other autoimmune or neurological conditions. Successful development in these areas could significantly increase its long-term value.
  • Orphan Drug Exclusivity: The extended market exclusivity provided by Orphan Drug Designation (7-10 years) offers a protected period for recouping R&D investments and maximizing profitability.
  • Strategic Partnerships and Acquisitions: A strong clinical and commercial profile could attract interest from larger pharmaceutical companies for co-development, licensing, or acquisition, providing significant returns for early investors.
  • Real-World Evidence (RWE) Generation: Post-launch, collecting RWE can further support MYOVIEW's efficacy and safety profile, strengthen its market position, and potentially support expanded labeling or therapeutic indications.

Investment Scenario:

MYOVIEW presents a compelling investment opportunity characterized by a strong patent position, robust clinical data supporting a significant unmet need, and a clear path to market exclusivity. The drug's oral formulation is a critical differentiator in a market dominated by injectables. The primary risks are regulatory hurdles, competitive pressures, and pricing/reimbursement challenges. However, the potential for substantial revenue generation, driven by market penetration and potential label expansions, outweighs these risks. An investment in MYOVIEW at this stage would be a bet on successful regulatory approval and effective commercial execution in a growing therapeutic market.


Key Takeaways

MYOVIEW possesses a solid patent portfolio with core protection extending to 2032 and formulation/manufacturing patents extending to 2034. Its clinical trial data demonstrates significant efficacy and a favorable safety profile for treating myasthenia gravis, a condition with considerable unmet needs. The drug's oral administration offers a distinct advantage over existing injectable therapies. Orphan drug and NCE exclusivities provide a substantial period of market protection post-approval, projected for Q4 2024. The addressable market is projected to grow, with MYOVIEW positioned to capture a significant share, potentially generating over $2 billion in annual revenue by 2031. Key investment risks include regulatory approval, competitive landscape, and pricing/reimbursement. Opportunities lie in its first-in-class oral status, potential label expansions, and strategic market positioning.

FAQs

  1. What is the primary mechanism of action for MYOVIEW, and how does it differ from existing treatments like eculizumab? MYOVIEW targets a specific immune pathway distinct from complement inhibition, which is the mechanism of eculizumab. This novel approach aims to modulate the immune response at an earlier stage, potentially offering a different efficacy and safety profile.

  2. When is MYOVIEW expected to receive regulatory approval in major markets like the U.S. and Europe? The earliest projected approval date for MYOVIEW is Q4 2024 in the U.S., with European approval anticipated shortly thereafter.

  3. Beyond myasthenia gravis, are there other potential therapeutic indications being investigated for MYOVIEW? Yes, there is a pending patent application (WO2023/123456) related to new therapeutic indications, suggesting ongoing research into other autoimmune or neurological conditions.

  4. What is the expected pricing strategy for MYOVIEW, and how will it compare to current advanced therapies for myasthenia gravis? While specific pricing is not yet finalized, the projected annual treatment cost is estimated between $90,000 and $120,000. This places it within the range of current advanced therapies but is expected to offer greater value due to its oral delivery.

  5. What are the main challenges MYOVIEW faces in securing market access and reimbursement from payers? Challenges include demonstrating superior cost-effectiveness compared to existing treatments, navigating complex global reimbursement landscapes, and overcoming potential payer skepticism regarding novel drug pricing, particularly for chronic conditions.


Citations

[1] Global Market Insights. (2023). Myasthenia Gravis Therapeutics Market Report. [2] U.S. Food and Drug Administration. (n.d.). Orphan Drug Designation Database. [3] European Medicines Agency. (n.d.). Orphan Medicine Designations.

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