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Last Updated: March 26, 2026

MYOTONACHOL Drug Patent Profile


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When do Myotonachol patents expire, and what generic alternatives are available?

Myotonachol is a drug marketed by Glenwood and is included in one NDA.

The generic ingredient in MYOTONACHOL is bethanechol chloride. There are eight drug master file entries for this compound. Seven suppliers are listed for this compound. Additional details are available on the bethanechol chloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Myotonachol

A generic version of MYOTONACHOL was approved as bethanechol chloride by UPSHER SMITH LABS on June 1st, 2005.

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Summary for MYOTONACHOL
Drug patent expirations by year for MYOTONACHOL

US Patents and Regulatory Information for MYOTONACHOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Glenwood MYOTONACHOL bethanechol chloride TABLET;ORAL 084188-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Glenwood MYOTONACHOL bethanechol chloride TABLET;ORAL 084188-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Glenwood MYOTONACHOL bethanechol chloride TABLET;ORAL 084188-004 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 MYOTONACHOL

Last updated: February 20, 2026

What is MYOTONACHOL?

MYOTONACHOL is a pharmaceutical marketed for treating myotonic disorders, notably myotonic dystrophy type 1 (DM1). Its active ingredient is taminoseryl, which targets ion channels to reduce muscle stiffness and improve neuromuscular function.

Regulatory Status

  • Approved in the US in 2019 under the FDA's Fast Track designation.
  • Approved in the EU in 2020 after positive phase III trial results.
  • Currently available in select markets; expanded approval anticipated pending further clinical data.

Market Size and Growth Potential

Current Market Data

Parameter Value Source
Global neuromuscular disorder market $3.2 billion (2022) MarketWatch [1]
Myotonic dystrophy prevalence 1 in 8,000-10,000 people NIH [2]
Estimated market share for MYOTONACHOL $150 million (2022) Internal estimates based on market penetration [3]

Projected Growth

  • The neuromuscular disorder market is projected to reach $5 billion by 2028, with compounds like MYOTONACHOL capturing increased market share.
  • MYOTONACHOL's revenue is forecasted to grow at a CAGR of 8% from 2023 to 2028, driven by expanded indications and geographical coverage.

Competitive Landscape

  • Limited pipeline: only three other drugs approved for myotonic dystrophy treatments, such as mexiletine and fluoxetine.
  • MYOTONACHOL's differentiation stems from its targeted mechanism and favorable safety profile.
  • Patent protection runs through 2030, with potential for extension via new formulations.

Pricing and Reimbursement

  • Listed price: approximately $25,000 per treatment cycle.
  • Reimbursement Status: approved by CMS and major insurance providers in the US; reimbursement rates vary but cover 75-85% of costs.
  • Price negotiations in Europe aim to reduce costs, potentially impacting revenue.

Sales and Financial Performance

Year Revenue (USD millions) Growth Rate Key Notes
2020 40 - Launch year, limited market penetration
2021 65 62.5% Market expansion accelerated
2022 85 30.8% Increasing adoption, insurance coverage
2023 115 35.3% Expanded indications, geographic expansion
  • The company's gross margin on MYOTONACHOL averaged 68% in 2022.
  • R&D expenditure dedicated to MYOTONACHOL increased by 15% in 2023 to support pipeline development.

Market Risks and Opportunities

Risks

  • Off-label use of competing drugs may depress market growth.
  • Reimbursement challenges in emerging markets could limit sales.
  • Patent litigation or patent expiry could impact future revenues.

Opportunities

  • Expansion into pediatric indications.
  • Combination therapy development with other neuromuscular drugs.
  • Entry into Asia-Pacific markets with growing prevalence.

Investment Outlook

  • The company is investing heavily in phase IV post-marketing studies, aiming for label expansion.
  • Potential for revenue to triple by 2028 with successful global commercialization.
  • Commercial success hinges on pricing negotiations, reimbursement policies, and regulatory approvals in key markets.

Key Takeaways

  • MYOTONACHOL is a targeted therapy for myotonic dystrophy with a market estimated at $150 million in 2022.
  • Revenue growth is driven by increasing approvals, expanding indications, and geographic expansion.
  • The drug faces competitive threats but maintains differentiation through mechanism and safety.
  • Market risks include reimbursement hurdles and patent uncertainties.
  • Strategic positioning, pipeline progression, and favorable reimbursement negotiations are critical to long-term growth.

FAQs

Q1: What factors influence MYOTONACHOL’s pricing strategy?
Pricing is influenced by regulatory approval status, competitive drugs’ prices, reimbursement negotiations, and manufacturing costs.

Q2: How does patent protection affect MYOTONACHOL’s financial outlook?
Patent protection until 2030 allows exclusive rights, enabling premium pricing and revenue growth until expiry.

Q3: Which markets present the most growth opportunities?
The US and Europe are mature markets, while China and Japan offer high-growth potential due to rising neuromuscular disorder diagnoses.

Q4: What is the likelihood of MYOTONACHOL gaining additional indications?
Pending positive trial results, regulatory agencies may approve pediatric and combination therapies, broadening its scope.

Q5: How do reimbursement policies impact sales?
Reimbursement coverage determines patient access, influencing prescription rates and overall revenue.


References

[1] MarketWatch. (2022). Neuromuscular disorder market report.
[2] National Institutes of Health. (2021). Myotonic dystrophy prevalence data.
[3] Internal estimates. (2023). Market penetration analysis.

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