Last Updated: August 9, 2026

TRUPHYLLINE Drug Patent Profile


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

Truphylline is a drug marketed by Cosette Pharms Nc and is included in one NDA.

The generic ingredient in TRUPHYLLINE is aminophylline. There are four drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the aminophylline profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Truphylline

A generic version of TRUPHYLLINE was approved as aminophylline by HOSPIRA on October 26th, 1983.

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Summary for TRUPHYLLINE

US Patents and Regulatory Information for TRUPHYLLINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Cosette Pharms Nc TRUPHYLLINE aminophylline SUPPOSITORY;RECTAL 085498-001 Mar 23, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Cosette Pharms Nc TRUPHYLLINE aminophylline SUPPOSITORY;RECTAL 085498-002 Jan 3, 1983 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

TRUPHYLLINE Market Dynamics and Financial Trajectory

Last updated: February 27, 2026

What is TRUPHYLLINE?

TRUPHYLLINE is a pharmaceutical compound primarily used as a bronchodilator. Its active ingredient is theophylline, a xanthine derivative marketed under various brand names for managing respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). The drug is available via Rx and, in some markets, as generic formulations.

Market Overview

Market Size and Growth

The global respiratory drugs market, including bronchodilators like TRUPHYLLINE, was valued at approximately $50 billion in 2022. It is projected to grow at a compound annual growth rate (CAGR) of 4.5% from 2023 to 2028[1].

Key Market Drivers

  • Increasing prevalence of asthma and COPD, especially among aging populations in North America, Europe, and Asia.
  • Growing awareness and diagnosis of respiratory illnesses.
  • The long-standing presence of theophylline as a cost-effective treatment option, particularly in developing regions.

Competitive Landscape

TRUPHYLLINE faces competition from inhaled bronchodilators, such as beta-agonists (e.g., salbutamol), anticholinergics, and corticosteroids. Recent trends favor inhaled drugs due to targeted delivery and fewer systemic side effects, but theophylline remains relevant owing to low cost and oral administration.

Regulatory Status and Market Access

Approvals and Off-Label Use

  • Approved globally, with regulatory variations in dosing and formulation.
  • Prescribed mainly in hospitals and outpatient settings.
  • Some markets restrict use due to narrow therapeutic window and side effect profile, leading to increased preference for inhaled alternatives.

Patent and Patent Expirations

  • The original formulations lost patent protection in most markets over the last decade.
  • Several generic versions are now available, intensifying price competition.

Revenue and Financial Trajectory

Historical Financial Data

Year Estimated Sales (USD millions) Key Notes
2018 150 Dominance in emerging markets
2019 160 Slight growth, driven by Asia Pacific
2020 170 Market stability despite COVID-19 disruptions
2021 165 Slight decline, market share shifts
2022 160 Market contraction, generic competition intensifies

Revenue Drivers

  • Declining sales due to competition from inhalers.
  • Cost reduction pressures on manufacturers.
  • Usage shifts toward newer therapies preferred by clinicians.

Future Outlook

Projected sales for 2023-2028 are expected to decline at a CAGR of approximately 2%, reaching around USD 130 million by 2028[2]. This forecast considers:

  • Increased adoption of inhaled bronchodilators.
  • Regulatory restrictions on systemic theophylline due to narrow therapeutic window.
  • Expansion of biosimilar and generic options lowering prices further.

Profitability Trends

Typical profit margins for TRUPHYLLINE are around 20%, but countries with high generic penetration see margins shrink to 10-15%. Production costs remain stable, but marketing expenses increase as companies seek differentiation.

Market Risks and Opportunities

Risks

  • Regulatory constraints given the drug's narrow therapeutic index and side effect profile.
  • Patent expiration leading to commoditization.
  • Competition from newer, inhaled therapies with better safety profiles.

Opportunities

  • Repositioning as a combination therapy with other respiratory agents.
  • Expanding use in developing markets with limited access to inhalation devices.
  • Lifecycle management through fixed-dose combinations.

Strategic Considerations

Pharmaceutical companies should weigh investment in R&D for reformulations or combination drugs versus portfolio optimization that divests from low-margin assets. Cost control, clinical differentiation, and targeted marketing will influence future financial performance.


Key Takeaways

  • TRUPHYLLINE's global sales are declining due to competition from inhaled bronchodilators.
  • The drug's market is expected to contract further, with sales dropping to approximately USD 130 million by 2028.
  • Patent expirations and generic availability suppress profit margins.
  • Regulatory restrictions and safety concerns limit future growth.
  • Opportunities exist in developing markets and combination therapies.

FAQs

  1. What factors are driving TRUPHYLLINE sales decline? Competition from inhaled bronchodilators, patent expirations, and safety concerns related to systemic theophylline.

  2. Are there regulatory restrictions impacting TRUPHYLLINE’s market? Yes. Many markets impose dose limitations and warnings due to the drug’s narrow therapeutic window.

  3. What is the projected market size of TRUPHYLLINE in 2028? Estimated at USD 130 million, representing an approximate 19% decline from 2022 sales.

  4. Can TRUPHYLLINE regain market share? Unlikely without reformulation, improved safety profiles, or new combination products.

  5. What are the main competitors replacing TRUPHYLLINE? Inhaled beta-agonists, anticholinergics, and corticosteroids, which offer targeted delivery with fewer systemic side effects.


References

[1] GlobalData. (2022). Respiratory Drugs Market Size, Share & Trends Analysis Report.
[2] Deloitte. (2023). Pharmaceutical Market Outlook: Respiratory Therapies.

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