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Last Updated: March 26, 2026

THEOPHYLLINE-SR Drug Patent Profile


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When do Theophylline-sr patents expire, and when can generic versions of Theophylline-sr launch?

Theophylline-sr is a drug marketed by Scherer Rp and is included in one NDA.

The generic ingredient in THEOPHYLLINE-SR 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 Theophylline-sr

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

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Summary for THEOPHYLLINE-SR
Drug patent expirations by year for THEOPHYLLINE-SR
Recent Clinical Trials for THEOPHYLLINE-SR

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
University of NebraskaPHASE1
Minia UniversityEARLY_PHASE1
Assiut UniversityPHASE1

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US Patents and Regulatory Information for THEOPHYLLINE-SR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Scherer Rp THEOPHYLLINE-SR theophylline CAPSULE, EXTENDED RELEASE;ORAL 088255-001 Jun 12, 1986 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 Theophylline-CR: A Comprehensive Analysis

Last updated: January 12, 2026

Executive Summary

Theophylline-CR (Controlled Release), marketed under various brand names, has traditionally served as a therapeutic agent for asthma and chronic obstructive pulmonary disease (COPD). Its market trajectory is shaped by evolving treatment guidelines, patent expirations, emerging competitor drugs, and regional healthcare policies. This report provides a detailed assessment of the market landscape, financial projections, competitive positioning, regulatory environment, and future growth opportunities for Theophylline-CR. Our analysis anticipates moderate market growth driven by clinical validation, off-patent status, and regional demand patterns, with significant impacts arising from generic competition and alternative therapies.


What is Theophylline-CR and Its Therapeutic Role?

Theophylline-CR is a methylxanthine bronchodilator characterized by:

  • Pharmacologic Class: Methylxanthine derivative
  • Formulation: Controlled-release (CR) to optimize therapeutic window
  • Indications: Asthma, COPD, and other respiratory conditions
  • Mechanism: Increases cAMP levels, induces bronchodilation, reduces airway inflammation
Exact specifications: Parameter Description
Dosage Forms 300 mg, 400 mg, 600 mg tablets (varies by manufacturer)
Bioavailability ~70-90% (subject to food effects)
Half-life 8-12 hours, allowing once or twice daily dosing

Market Landscape Overview

Global Market Size and Growth

Year Estimated Market ($ millions) CAGR (2018-2023) Notes
2018 400 Prevalent use in respiratory therapy
2021 420 1.2% Slight growth; regional variations
2023 440 1.4% Market stabilization, regional demand

Source: Market Research Future [1], GlobalData [2]

Regional Market Breakdown

Region Market Size ($ millions, 2023) Key Drivers Challenges
North America 200 Established guidelines, off-label use Generic competition, safety concerns
Europe 100 COPD prevalence, older population Regulatory hurdles
Asia-Pacific 80 Growing respiratory diseases, unmet needs Regulatory delays, manufacturing capacity
Rest of World 60 Developing healthcare infrastructure Price sensitivity

Market Segmentation

Segment Approximate Market Share Key Features
Prescription (Offline & Digital) 90% Physician-prescribed, adherence challenges
Over-The-Counter (OTC) 10% Limited, regional variations

Competitive Landscape

Major Players

Company Key Products Patent Status Market Share Remarks
Mylan (now part of Viatris) Theophylline-CR Generic, off-patent ~40% Dominant in North America
Sun Pharmaceutical Theophylline SR Generic ~20% Growing presence in India, Asia
Cipla Theophylline SR Generic ~10% Competitive pricing in emerging markets
Others Various regional brands Off-patent ~30% Fragmented market

Patent and Regulatory Status

  • Patent Expiry: Most formulations expired between 2010-2015, leading to widespread generic availability.
  • Regulatory Trends: Favourable for generics, with some regions demanding bioequivalence studies; newer formulations face additional scrutiny.

Financial Trajectory and Revenue Drivers

Revenue Streams

  • Generic Sales: Primary revenue driver, driven by regional generic markets and formulary placements.
  • Brand Premium Products: Limited, as most formulations are off-patent.
  • Private Label & OTC: Marginal impact, mainly in regional markets.

Profitability Outlook

Factors Impact
Patent expiry Declining brand premiums, price erosion
Competition Increased price competition, volume-driven growth
Regulatory policies Stringent bioequivalence requirements in some regions
Manufacturing costs Stable, with opportunities for optimization

Cost & Margin Analysis

Expense Category Estimated Cost % Remarks
Raw Materials 25-30% Commodity price fluctuations impact margins
Manufacturing 15-20% Scale efficiencies possible
Regulatory & Compliance 10-15% Varies by region
Marketing & Distribution 20% Major cost driver in competitive markets

Expected gross margins: Approximately 35-45% for generic manufacturers, with potential for decline due to intensified price competition.

Market Dynamics Influencing Future Outlook

Evolving Clinical Guidelines

  • shift towards inhaler-based therapies: Reduced reliance on oral Theophylline-CR
  • Safety Concerns: Narrow therapeutic window and side effect profile (tachycardia, nausea) restrict broadening indications

Emergence of Alternative Therapies

Alternative Drugs Advantages Limitations
Long-Acting Beta-Agonists (LABAs) Better safety profile Cost, patient adherence
Inhaled Corticosteroids Fewer systemic effects Not suitable for all patients
Phosphodiesterase Inhibitors (e.g., Roflumilast) Targeted anti-inflammatory effects Side effect profiles

Regulatory and Policy Impact

  • Increased Scrutiny: Due to narrow therapeutic window, some regulators require rigorous post-market surveillance.
  • Reimbursement Policies: Price controls in regions like the EU and APAC influence profitability.
  • Generic Substitution: Promotes downward pressure on prices but expands market volume.

Emerging Opportunities

  • Niche Formulations: Extended-release, combination therapies
  • Regional Penetration: Growth in emerging economies
  • Digital Health Integration: Adherence monitoring via digital tools

Future Financial Projections (2024-2028)

Year Market Size ($ millions) Compound Annual Growth Rate (CAGR) Key Assumptions
2024 460 1.4% Slight market uptick due to expanded regional access
2025 470 2.2% Uptake of new formulations in Asia-Pacific
2026 485 3.0% Introduction of combination therapies
2027 510 3.0% Broadened indications, shifts in treatment guidelines
2028 530 3.0% Regional expansion, increased healthcare investments

Revenue and Profitability High-Level Outlook

Year Estimated Revenue ($ millions) Profit Margin Notes
2024 460 40-45% Stable, generic-driven growth
2025 470 38-43% Increased competition effects
2026 485 35-40% Margins squeeze; volume growth potential
2027 510 35-38% Diversification strategies
2028 530 33-36% Market saturation risks

Key Competitive Strategies

  • Cost Leadership: Optimize manufacturing to maintain margins
  • Formulation Innovation: Develop extended-release, combination products
  • Regional Expansion: Focus on underserved markets, especially in Asia
  • Regulatory Engagement: Streamline bioequivalence and post-market surveillance

Risks and Challenges

  • Pricing Pressure: Resulting from generic proliferation and healthcare policies
  • Safety Profile Limits: Narrow therapeutic index restricts wide adoption
  • Regulatory Hurdles: Varying regional standards complicate market entry
  • Market Preference Shift: Toward inhaled therapies reducing oral drug uptake

Key Takeaways

  • Market Stability with Evolving Growth Drivers: The Theophylline-CR market remains steady, with modest growth driven primarily by regional demand and emerging formulations.
  • Generic Competition Dominance: Off-patent formulations face significant price erosion, emphasizing cost efficiency and regional expansion strategies.
  • Shift Toward Alternative Therapies: Modern inhaler-based therapies increasingly displace oral Theophylline, impacting market share.
  • Regional Focus: Growth prospects are promising in Asia-Pacific and emerging markets where respiratory disease prevalence rises and access expands.
  • Innovation as a Differentiator: Extended-release, combination, and digital adherence solutions can mitigate competitive pressures.

FAQs

1. What factors are most likely to impact Theophylline-CR sales in the next five years?
Regulatory changes, increasing generic competition, shifts in clinical practice favoring inhaled therapies, and regional healthcare policies will be primary influences on sales.

2. Are there new formulations of Theophylline-CR emerging?
Yes. Innovative extended-release formulations and combination therapies are under development to enhance safety and adherence.

3. How does regional healthcare policy affect the market?
Stringent pricing and reimbursement policies in Europe and North America exert downward pressure on margins, whereas expanding healthcare infrastructure in Asia-Pacific creates growth opportunities.

4. What is the outlook for profit margins in this market?
Margins are expected to decline gradually due to intense price competition but can be stabilized through cost-efficient manufacturing and product differentiation.

5. Will Theophylline-CR maintain its therapeutic relevance?
While its role persists, especially in resource-constrained settings, clinical practice increasingly favors inhaled therapies that offer better safety and efficacy profiles.


Sources

[1] Market Research Future. (2022). Global Theophylline Market Analysis.
[2] GlobalData. (2023). Respiratory Drugs Market Report.

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