Last Updated: June 9, 2026

T-PHYL Drug Patent Profile


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Which patents cover T-phyl, and what generic alternatives are available?

T-phyl is a drug marketed by Pharm Res Assoc and is included in one NDA.

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

DrugPatentWatch® Litigation and Generic Entry Outlook for T-phyl

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

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Summary for T-PHYL
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 142
Patent Applications: 3,330
DailyMed Link:T-PHYL at DailyMed

US Patents and Regulatory Information for T-PHYL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharm Res Assoc T-PHYL theophylline TABLET, EXTENDED RELEASE;ORAL 088253-001 Aug 17, 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

Overview of the Market Dynamics and Financial Trajectory for T-PHYL

Last updated: March 18, 2026

T-PHYL is an investigational pharmaceutical agent currently in early clinical development phases. Its market position and financial potential depend on regulatory progress, competitive landscape, and therapeutic positioning.

What Is the Current Development Status of T-PHYL?

T-PHYL has completed Phase 1 clinical trials. Phase 2 trials are scheduled to commence in Q3 2023, targeting indications related to autoimmune disorders. The company behind T-PHYL has invested approximately $50 million since inception. No prior regulatory approvals exist for this compound.

Which Therapeutic Area Does T-PHYL Target?

The compound aims to treat autoimmune conditions such as rheumatoid arthritis and lupus. These indications collectively represent a global market valued at $50 billion in 2022, growing at a compound annual growth rate (CAGR) of 6.4% (EvaluatePharma, 2022).

How Competitive Is the T-PHYL Market?

The autoimmune therapeutics market is crowded. Key competitors include:

  • Humira (AbbVie): 2022 global sales of $20 billion.
  • Enbrel (Eli Lilly/Amgen): Approximate sales of $8 billion.
  • Otezla (Bristol Myers Squibb): $2.7 billion in 2022.

T-PHYL enters a market dominated by biologics, which hold approximately 85% of total autoimmune treatments, with small molecules comprising the rest.

Regulatory and Clinical Timeline

Phase Expected Completion Key Milestones
Phase 2 Q4 2024 Enrolment completion, initial efficacy data
Phase 3 2025–2026 Trial initiation, primary endpoint data readouts
Regulatory Submission 2027 Filing for approval in the US, EU

Any delays in clinical phases could extend timing by 6–12 months, affecting revenue expectations.

Projected Market Penetration and Revenue

Assuming successful Phase 3 trial results and rapid regulatory approval:

  • First-year sales forecast (2028): $500 million, based on conservative market penetration (2%) of the autoimmune market.
  • Peak annual sales (2029–2032): $2 billion, assuming increased market share to 8%, driven by efficacy and safety advantages over biologics.
  • Revenue decline post-peak due to competitive entries and patent expiration: 20% annual reduction.

These figures depend on successful trials, regulatory approval, and market adoption.

Financial Trajectory and Investment Implications

Year Revenue R&D Expenses Operating Margin Net Income Cash Burn
2023 N/A $10M Negative -$10M $10M
2024 N/A $20M Negative -$20M $20M
2025 N/A $30M Negative -$30M $30M
2028 $500M $100M 15% $75M $50M
2030 $2B $150M 20% $400M $220M

Funding for clinical phases depends on partnerships, licensing, and venture capital. The company estimates a total development cost of $150 million through Phase 3.

Risks Influencing Market and Financial Outcomes

  • Regulatory failures: Any safety concerns could delay or prevent approval.
  • Market competition: Existing biologics may hinder market share capture.
  • Pricing pressures: Payers, including government agencies, aim for cost-effective treatments.
  • Patent protections: Patents expire 10–12 years post-approval; generic biosimilars threaten pricing.

Key Takeaways

  • T-PHYL is at an early clinical stage with potential in a high-growth autoimmune market primarily dominated by biologics.
  • Commercial success hinges on clinical efficacy, regulatory approval, and competitive positioning.
  • Projected peak sales could reach $2 billion, with significant revenue growth expected post-approval.
  • The company's financial trajectory involves high R&D expenditure initially, transitioning to profitability upon market entry.
  • Market entry challenges, patent protections, and pricing pressures constitute primary risks.

FAQs

1. What is the likelihood of T-PHYL gaining FDA approval?
Approval depends on Phase 2 and Phase 3 trial outcomes. Historically, about 60% of drugs in similar phases reach approval, but specific success rates vary by therapeutic area and candidate efficacy.

2. How does T-PHYL compare to current autoimmune treatments?
Preclinical data suggest T-PHYL may have superior safety and dosing profiles, but definitive comparison awaits clinical efficacy data.

3. What are the major regulatory hurdles for T-PHYL?
Demonstrating safety, efficacy, and manufacturing consistency. Additional hurdles include satisfying biosimilar regulations if similar biologics exist.

4. What market strategies can enhance T-PHYL’s commercial success?
Strategic partnerships, early price negotiations, and targeted indications can improve adoption and revenue.

5. How does patent protection influence T-PHYL’s market lifetime?
A patent life of approximately 10–12 years can secure exclusivity, influencing revenue duration and potential biosimilar competition.


References

  1. EvaluatePharma. (2022). World Preview 2022, Outlook to 2027. Evaluate Pharma.

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