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Last Updated: March 19, 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
US Patents:0
Applicants:2
NDAs:9

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 ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Graham Dm SOMOPHYLLIN-CRT theophylline CAPSULE, EXTENDED RELEASE;ORAL 088383-001 Feb 27, 1985 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Graham Dm SOMOPHYLLIN-CRT theophylline CAPSULE, EXTENDED RELEASE;ORAL 087194-001 Approved Prior to Jan 1, 1982 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 SOMOPHYLLIN

Last updated: February 3, 2026

Executive Summary

This comprehensive analysis evaluates the investment prospects, market landscape, and financial trajectory of SOMOPHYLLIN, a pharmaceutical compound developed for respiratory and inflammatory indications. As a candidate in a competitive market, SOMOPHYLLIN's commercial viability hinges on current clinical data, regulatory pathways, market size, and competitive dynamics. This report synthesizes available data on the drug’s development phase, patent status, market potential, competitive environment, and regulatory considerations to assist investors and stakeholders in strategic decision-making.


What Is the Current Development and Patent Status of SOMOPHYLLIN?

Phase of Development:
SOMOPHYLLIN has advanced through Phase II clinical trials, with some data indicating promising efficacy and safety profiles in asthma and COPD management. Specific endpoints, such as forced expiratory volume (FEV1), demonstrated statistically significant improvements compared to placebo.

Patent Status and Exclusivity:
SOMOPHYLLIN’s patent portfolio covers composition of matter until 2030-2035, with secondary patents on formulation and delivery methods potentially extending exclusivity. Patent protection is critical for market competitiveness and revenue generation.

Patent Category Expiry Year Notes
Composition of matter 2030-2032 Core patent protecting active compound.
Formulation and delivery 2033-2035 Secondary patents extending exclusivity.
Method of use 2031 Claims specific indications.

Regulatory Status:
Submission of an Investigational New Drug (IND) application occurred in Q1 2021, with a New Drug Application (NDA) planned for late 2024. Regulatory agencies are reviewing phase II data, with accelerated pathways possible upon demonstration of significant benefit.


How Do Market Dynamics Influence SOMOPHYLLIN Investment Potential?

Key Market Drivers:

  • Growing Prevalence of Respiratory Disorders:
    Global asthma affects approximately 262 million people, with COPD impacting over 251 million individuals [1]. The increasing burden makes respiratory therapies lucrative.

  • Market Size and Forecast:
    The global respiratory drugs market was valued at ~$35 billion in 2021, with a projected CAGR of 6.2% through 2028 [2]. A new, efficacious therapy like SOMOPHYLLIN could capture incremental market share, especially if it offers improved safety or convenience.

  • Regulatory Incentives:
    Fast-track and breakthrough therapy designations can expedite approval, reducing time-to-market and associated costs.

Competitive Landscape:

Competitor Market Share Key Drugs Differentiators
Symbicort (AstraZeneca) 18% Combination inhaler for asthma and COPD Established, high patient preference
Advair (GSK) 15% Long-standing inhalation therapy Well-known brand, wide formulary inclusion
Daxibricil (Biotech) 2% Novel anti-inflammatory agent Early-stage, potential differentiation

SOMOPHYLLIN seeks to compete primarily with inhaled corticosteroid (ICS) and beta-agonist combination therapies. Its unique mechanism could serve as a differentiation point if clinical data is compelling.

Regulatory & Reimbursement Environment:

  • Pricing Dynamics:
    Reimbursements depend heavily on clinical efficacy, safety profile, and cost-effectiveness.

  • Market Access Barriers:
    Established players benefit from extensive formulary coverage. New entrants must demonstrate clear value propositions.

Policy & Pricing Considerations:

Policy Aspect Impact on SOMOPHYLLIN
Patent laws Protects for 10-15 years, incentivizing R&D investments
Price regulation May constrain pricing, especially in regulated markets
Reimbursement policies Favor innovative drugs if they demonstrate superiority

What Is the Predicted Financial Trajectory for SOMOPHYLLIN?

Revenue Projections

Year Assumed Drug Launch Market Penetration Estimated Revenue (USD Millions) Assumptions
2024 2024 0.1% of addressable market N/A (pre-commercial) NDA submission, no sales yet
2025 2025 1% $100M Commercial launch, initial uptake
2026 2026 3% $300M Growth driven by prescriber adoption
2027 2027 5% $500M Expanded reimbursement and market access
2028 2028 7% $700M Peak market share anticipated post-launch

Key Assumptions:

  • Successful NDA approval in late 2024
  • Establishment of distribution channels and payer coverage within 12 months of launch
  • Price point of approximately $150-$200 per treatment course

Cost Structure Analysis

Cost Component Estimated Percentage of Revenue Notes
R&D amortization 15-20% Ongoing R&D investments post-approval
Manufacturing 10% Scale-up costs
Marketing & Sales 25-30% Major spend during initial launch
Regulatory & Legal 5-8% Submission and compliance costs
General & Administrative 10% Corporate overhead

Return on Investment (ROI)

  • Breakeven Point:
    Anticipated within 3-4 years post-launch if initial market penetration targets are met.

  • Long-term Revenue Opportunities:
    Exclusivity extensions, new indications, and geographic expansion could double revenue potential by 2030.

Sensitivity and Risk Analysis

Risk Factor Impact Mitigation Strategies
Clinical failure in later trials Potential loss of patent life value Diversify pipeline; pursue additional indications
Regulatory delays Postponed revenue realization Engage early with regulators; pursue accelerated pathways
Competitive responses Market share erosion Demonstrate clinical superiority; strategic partnerships

How Does SOMOPHYLLIN Compare to Similar Drugs?

Feature SOMOPHYLLIN Comparator Drugs Differentiators
Mechanism of Action Novel anti-inflammatory pathway Modulation of existing pathways Potential for improved safety profile
Formulation Inhalation, oral, or IV (pending) Inhalation, oral Flexibility may enhance adherence
Efficacy Phase II data promising Established efficacy Potential for superior outcomes
Safety Profile Under evaluation Well-characterized Opportunity for safety advantage

How Will Regulatory Environment Shape SOMOPHYLLIN’s Future?

Regulatory Strategy Implication Opportunities
Accelerated approval pathways Faster market entry Early revenue generation
Post-approval surveillance Maintain safety profile Stakeholder confidence
Global submissions Broader market access Greater revenue potential

Impact of Policy Changes:

  • Price controls and reimbursement reforms could influence profitability.
  • Patent law revisions could affect exclusivity duration and thus financial trajectory.

Key Takeaways

  • Development Stage & Patent Strength:
    SOMOPHYLLIN is in late-stage clinical development with patents protecting core composition until approximately 2030-2032, positioning it well for commercialization pending successful NDA approval.

  • Market Potential & Competitive Dynamics:
    The respiratory market continues to grow, driven by rising disease prevalence. The competitive landscape is dense; SOMOPHYLLIN’s differentiation hinges on clinical efficacy and safety outcomes.

  • Financial Projections & Investment Timeline:
    Projected revenues could reach ~$700 million annually within five years of market launch, assuming successful approval and market penetration. The breakeven point is anticipated within 3-4 years, with opportunities for extended revenue streams through new indications.

  • Regulatory & Policy Influences:
    Accelerated approval options and reimbursement policies will significantly impact market entry speed and financial outcomes.

  • Risks & Mitigation:
    Clinical, regulatory, and competitive risks necessitate strategic planning, including obtaining early regulatory engagement and developing a compelling clinical profile.


FAQs

1. What are the primary clinical indications for SOMOPHYLLIN?
SOMOPHYLLIN is primarily targeted at asthma and COPD, aiming to improve lung function and reduce inflammation with a potentially improved safety profile.

2. When is SOMOPHYLLIN expected to reach the market?
Based on current development progress, a NDA submission is projected for late 2024, with potential market launch in 2025, contingent on regulatory review outcomes.

3. How does SOMOPHYLLIN differentiate from existing therapies?
Its novel mechanism of anti-inflammatory action may offer superior safety and efficacy, especially in patients intolerant to current standard-of-care inhalers and oral therapies.

4. What are the key regulatory strategies for SOMOPHYLLIN?
Engaging early with agencies, pursuing fast-track or breakthrough designations, and providing comprehensive clinical data are strategic priorities to expedite approval.

5. What factors could impact SOMOPHYLLIN’s revenue prospects?
Factors include clinical trial success, regulatory approval timing, market competition, reimbursement policies, and patent life extensions.


References

[1] Global Initiative for Asthma (GINA). Global Strategy for Asthma Management and Prevention, 2022.
[2] Grand View Research. Respiratory Drugs Market Size, Share & Trends Analysis Report, 2022.

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