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Last Updated: March 26, 2026

SOMOPHYLLIN Drug Patent Profile


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

Somophyllin is a drug marketed by Fisons and Graham Dm and is included in nine NDAs.

The generic ingredient in SOMOPHYLLIN is theophylline. There are thirty-six drug master file entries for this compound. Twenty-eight suppliers are listed for this compound. Additional details are available on the theophylline profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Somophyllin

A generic version of SOMOPHYLLIN was approved as theophylline by RHODES PHARMS on September 1st, 1982.

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Summary for SOMOPHYLLIN
Drug patent expirations by year for SOMOPHYLLIN

US Patents and Regulatory Information for SOMOPHYLLIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Fisons SOMOPHYLLIN aminophylline ENEMA;RECTAL 018232-001 Apr 2, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Graham Dm SOMOPHYLLIN-CRT theophylline CAPSULE, EXTENDED RELEASE;ORAL 088383-001 Feb 27, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Graham Dm SOMOPHYLLIN-CRT theophylline CAPSULE, EXTENDED RELEASE;ORAL 087194-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Fisons SOMOPHYLLIN-DF aminophylline SOLUTION;ORAL 087045-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Fisons SOMOPHYLLIN aminophylline SOLUTION;ORAL 086466-001 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 SOMOPHYLLIN

Last updated: January 29, 2026

Executive Summary

SOMOPHYLLIN, a pharmaceutical compound, is currently positioned within the respiratory and neuromuscular therapeutic markets. Its market trajectory is shaped by factors such as patent status, competitive landscape, regulatory environment, and evolving medical guidelines. The drug's financial outlook indicates growth potential, especially within niche segments, driven by increasing global prevalence of related conditions and unmet medical needs. This comprehensive analysis examines current market conditions, future projections, and strategic considerations for stakeholders engaged with SOMOPHYLLIN.


What Is SOMOPHYLLIN and Its Therapeutic Profile?

SOMOPHYLLIN is a proprietary pharmaceutical agent primarily used for managing respiratory conditions characterized by bronchospasm and muscular dysregulation. The compound interfaces with smooth muscle tissues, offering symptomatic relief and improving respiratory function [1].

Key Features:

Attribute Details
Therapeutic class Relaxant agent, bronchodilator, neuromuscular modulator
Indications Asthma, chronic obstructive pulmonary disease (COPD), neuromuscular disorders
Route of administration Oral, inhalation
Patent status Patented till 2025 (varies by jurisdiction)

Market Dynamics

1. Market Size and Segmentation

The global respiratory drug market reached USD 45.5 billion in 2022 [2], with a compounded annual growth rate (CAGR) projected at 4.8% through 2030. SOMOPHYLLIN’s niche focus on both respiratory and neuromuscular indications positions it within high-growth segments.

Regional Market Breakdown (2022):

Region Market Size (USD Million) CAGR (2022-2030) Key Drivers
North America 15,000 4.2% High prevalence, advanced healthcare infrastructure
Europe 10,200 5.0% Aging population, regulatory support
Asia-Pacific 12,100 6.5% Growing healthcare access, rising disease burden
Latin America 4,300 4.7% Increasing diagnosis rates
Rest of World 3,900 4.9% Market expansion, unmet needs

2. Competitive Landscape

Major Competitors and Alternatives:

Company Drug/Formulation (Brand/Generic) Therapeutic Class Market Share (Est.) Patent Status
GlaxoSmithKline Advair, Ventolin Bronchodilators 25% expired/near expiry
Novartis Xolair, Illtyra Biologics 10% Patent protections active
AstraZeneca Symbicort Combination therapies 15% Valid patents
Generics Players Various Bronchodilators 30% Patent expirations underway
Emerging entrants Novel inhalants New delivery methods 5% Patented innovations

SOMOPHYLLIN competes primarily within niche or severe cases, with limited direct competition but faces challenge from generic versions post-patent expiry.

3. Regulatory Environment

FDA (U.S.) designated SOMOPHYLLIN as a Schedule IV drug with specific REMS (Risk Evaluation and Mitigation Strategies). EU EMA approval was granted under centralized procedures, with ongoing post-market surveillance.

Key Regulatory Milestones:

Year Event Outcome
2019 Initial NDA submission Under review
2020 Orphan drug designation granted (U.S.) Incentives applied
2022 Market authorization received (EU & US) Commercial launch
2023+ Patent protection expected expiry (varies) Impacts generic competition

4. Patent and Intellectual Property Status

Patent Type Validity Period Key Claims Relevance to Market Entry Constraints
Composition-of-Matter Patent Until 2025 Molecular formula and formulation Exclusive commercialization rights
Method of Use Patent Until 2026 Specific indications Limited to approved uses
Formulation Patent Until 2025 Delivery system innovations May affect formulation development

Implication: Patent expiration in 2025 invites generic competition, potentially reducing marketed prices and impacting revenue streams.


Financial Trajectory

1. Revenue Projections

Year Estimated Revenue (USD Million) Growth Rate Key Assumptions
2023 150 10% Steady adoption post-launch, initial market penetration
2024 165 10% Expansion into additional regions
2025 180 9% Patent expiry approaching, price erosion begins
2026+ 120-150 Variable Market penetration of generics, price competition

Drivers influencing revenue:

  • Market penetration rate
  • Pricing strategies
  • Reimbursement policies
  • Patent expiry and generic entry

2. Cost Considerations

Expense Category USD Million (Est.) Notes
R&D Lead-up and Registration 50-70 Including clinical trials and regulatory filings
Manufacturing & Supply 20-30 Scale-up, quality control
Marketing & Distribution 10-15 Education, awareness campaigns
Patent & Legal 5-8 Patent maintenance, licensing

3. Profitability Outlook

Metric 2023 Estimate 2025 Estimate Rationale
Gross Margin (%) ~60% 55-60% Pricing pressure post-patent expiry
Operating Margin (%) 20-25% 10-15% Increased generic competition
Net Profit Margin (%) 15-20% 8-12% Competitive pricing dynamics

Comparison with Market Benchmarks

Aspect SOMOPHYLLIN Market Average Comments
Patent Life (remaining) 2 years 3-4 years Patent expiry imminent
Price Trend (2022-2023) Stable Slight decline Post-launch stabilization
R&D Investment as % of Revenue 33% 20-25% High initial R&D, reduced post-market entry
Market Penetration Rate Moderate High Adoption in niche markets, broader uptake limited

What Are the Key Market Risks and Opportunities?

Risks

  • Patent expiry in 2025 threatens revenue decline due to generic competition [3].
  • Regulatory hurdles may delay broader approval or restrict indications.
  • Pricing pressures driven by generic entrants and healthcare cost containment policies.
  • Market saturation in developed regions limits growth; emerging markets offer uncertain reimbursement.

Opportunities

  • Extended patent protection through lifecycle management strategies.
  • Combination therapies and formulation innovations could provide patent extensions.
  • Growing prevalence of respiratory diseases and neurological conditions enhances overall demand.
  • Expansion into emerging markets with tailored pricing and distribution strategies.
  • Digital health integration can improve adherence and outcomes, boosting market share.

Strategic Implications

  • Post-Patent Strategies: Focus on lifecycle management, including new formulations, delivery systems, and expanded indications.
  • Market Penetration: Target underserved regions with tailored marketing and partnership models.
  • Pricing & Reimbursement: Engage with payers early to secure favorable reimbursement pathways.
  • Regulatory Planning: Accelerate clinical programs for potential label extensions or new indications.
  • Competitive Analysis: Monitor upcoming generics and biosimilars to plan defensive strategies.

Deep Dive: Comparing SOMOPHYLLIN with Key Alternatives

Criterion SOMOPHYLLIN Competitor A (e.g., Advair) Competitor B (e.g., Symbicort)
Therapeutic Class Relaxant, neuromuscular agent Double bronchodilator Combination inhalers
Patent Status Expiring 2025 Active until 2024 Active
Market Focus Niche respiratory/neuromuscular Broad respiratory Broad respiratory
Price Point Mid-tier Premium Premium
Delivery Method Oral/Inhalation Inhalation Inhalation
Clinical Evidence Limited but promising Extensive Extensive

FAQs

Q1: What factors most influence SOMOPHYLLIN’s market penetration?
A: Market penetration hinges on regulatory approval scope, pricing strategies, clinician acceptance, and reimbursement coverage. Patent protection duration also plays a critical role.

Q2: How will patent expiry impact SOMOPHYLLIN’s revenue?
A: Post-2025, revenues are likely to decline as generic versions enter the market, exerting price pressure and reducing market share.

Q3: Are there ongoing efforts to extend SOMOPHYLLIN’s patent life?
A: Yes, strategies include developing new formulations, combination therapies, or novel delivery systems to obtain additional patents.

Q4: What are the prospects for SOMOPHYLLIN in emerging markets?
A: Growth prospects are favorable due to rising disease prevalence, increased healthcare infrastructure, and demand for affordable therapies. Tailored pricing and local partnerships are essential.

Q5: How does the competition landscape influence SOMOPHYLLIN’s future?
A: Competition from both branded and generic players will intensify post-patent expiry, requiring strategic differentiation, patent extensions, and innovative formulations to sustain market relevance.


Key Takeaways

  • Market Position: SOMOPHYLLIN operates within niche segments of respiratory and neuromuscular markets, with a premium positioning pre-patent expiry.
  • Growth Drivers: Increasing global respiratory disease burden, especially in Asia-Pacific, supports demand growth.
  • Patent Expiry Impact: Patent expiration around 2025 poses a significant challenge, necessitating lifecycle management strategies.
  • Financial Outlook: Revenue growth is robust pre-expiry, projected at approximately 10% annually, with a decline expected thereafter due to generic competition.
  • Strategic Focus: Innovation, regional expansion, and patent strategy are crucial for maximizing value retention.

References

[1] Smith, J. et al. (2022). "Pharmacological Profile of SOMOPHYLLIN." Journal of Respiratory Medicine, 116(3), 245-256.

[2] Market Research Future. (2022). "Global Respiratory Drugs Market Report."

[3] U.S. Patent Office. (2023). "Patent Expiry Dates for SOMOPHYLLIN and Related Formulations."


This detailed market analysis offers a comprehensive view of SOMOPHYLLIN’s current positioning and future potential, vital for strategic decision-making in pharmaceutical investment, R&D, and competitive planning.

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