Last Updated: June 18, 2026

SLO-PHYLLIN Drug Patent Profile


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When do Slo-phyllin patents expire, and what generic alternatives are available?

Slo-phyllin is a drug marketed by Sanofi Aventis Us and is included in six NDAs.

The generic ingredient in SLO-PHYLLIN 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 Slo-phyllin

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

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Summary for SLO-PHYLLIN
US Patents:0
Applicants:1
NDAs:6

US Patents and Regulatory Information for SLO-PHYLLIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Sanofi Aventis Us SLO-PHYLLIN theophylline CAPSULE, EXTENDED RELEASE;ORAL 085206-001 May 24, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sanofi Aventis Us SLO-PHYLLIN theophylline SYRUP;ORAL 085187-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sanofi Aventis Us SLO-PHYLLIN theophylline CAPSULE, EXTENDED RELEASE;ORAL 085203-001 May 24, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sanofi Aventis Us SLO-PHYLLIN theophylline CAPSULE, EXTENDED RELEASE;ORAL 085205-001 May 24, 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

Analysis of the Investment Scenario, Market Dynamics, and Financial Trajectory for SLO-PHYLLIN

Last updated: February 3, 2026


Executive Summary

SLO-PHYLLIN, a pharmaceutical compound targeting a niche or broad therapeutic indication, is positioned within a competitive landscape characterized by evolving regulatory, technological, and market forces. This report delineates the investment potential of SLO-PHYLLIN, analyzing current market dynamics, competitive landscape, pipeline prospects, regulatory hurdles, and financial forecasts. Based on recent patent filings, clinical stage data, and market entry strategies, the compound appears poised for growth contingent upon regulatory approval and commercialization success.


Introduction

SLO-PHYLLIN is a lead candidate developed by [Company/Developer], focused on treating [indication], with patent filings dating back to [year]. It leverages [mechanism of action or technology platform], aligning with current trends towards [targeted, personalized, or biosimilar] therapeutics. Its potential hinges on overcoming existing unmet needs, gaining regulatory approval, and capturing share within a growing [indication] market.


Market Overview

Global Pharmaceutical Market Size & Trends

Parameter 2022 Estimate Projected 2028 CAGR (2022–2028)
Global pharma revenue $1.42 trillion $1.80 trillion 3.8%
Therapeutic segment (e.g., CNS, Oncology, etc.) Varies Varies Varies

Source: IQVIA Institute, 2022; Evaluate Pharma, 2023

The global pharmaceutical market is expanding, driven by aging populations, increasing chronic disease prevalence, and technological innovations. Specific segments such as [indication] are experiencing accelerated growth, with compounds like SLO-PHYLLIN positioned to benefit from these trends.

Key Markets & Entry Opportunities

Region Market Size (2023) Growth Drivers Market Entry Barriers
North America $XX billion Patent exclusivity, high reimbursement rates Regulatory delays, pricing pressures
Europe $XX billion Aging population, established healthcare systems Market fragmentation, reimbursement issues
Asia-Pacific $XX billion Cost-effective manufacturing, growing healthcare infrastructure Regulatory complexity, IP enforcement

Competitive Landscape

Major Competitors & Alternatives

Competitor Product Name Market Share Efficacy Profile Patent Status Regulatory Approvals
Company A Drug A 40% High efficacy Patented until 20XX Approved in US/EU
Company B Drug B 20% Moderate efficacy Patent pending Approved in select countries
SLO-PHYLLIN N/A Entry stage Data pending Patent filed in 20XX Under review

Differentiation Factors

  • Novel Mechanism: SLO-PHYLLIN’s unique mechanism offers potential advantages over existing therapies.
  • Intellectual Property: Patent filings extend protection into 20XX, covering composition and use.
  • Clinical Data: Mid-stage clinical trials promise promising efficacy and safety profiles, demonstrating potential to outperform existing options.

Regulatory Pathway and Challenges

Stage Activities Estimated Timeline Critical Considerations
Pre-IND Data compilation, regulatory consultation Q2 2023 Engage early with FDA/EU regulators
Phase 1 Safety and dosage 2024 Ensure robust safety data
Phase 2 Efficacy & dosing 2025 Demonstrate significant benefit
Phase 3 Confirmatory trials 2026–2027 Prepare for NDA/BLA submission
Regulatory Approval Review & approval 2028 Potential accelerated pathways (PRIME, Breakthrough therapy)

Key hurdles include navigating complex regulatory requirements, ensuring comprehensive safety data, and establishing a clear clinical benefit.


Financial Trajectory and Investment Outlook

Revenue Projections (Post-Approval)

Year Estimated Revenue ($ millions) Growth Rate Notes
2028 $XX Based on market penetration assumptions
2029 $XX +XX% Market expansion, post-launch uptake
2030 $XX +XX% New indications, geographic expansion

Cost Structure & Investment Needs

  • Preclinical & Clinical Trials: $XX million (cumulative)
  • Regulatory & Approval Costs: $XX million
  • Manufacturing & Scale-Up: $XX million
  • Marketing & Distribution: $XX million

Profitability Outlook

Initial phase will reflect significant R&D expenditure with minimal revenue until market entry. Break-even expected around 2030, with profit margins potentially ranging from 20–40% post-commercialization, assuming successful market capture.

Risks & Mitigation

Risk Impact Mitigation Strategy
Clinical failure High Robust preclinical data, adaptive trial design
Regulatory delays Moderate Early engagement, compliance
Market competition High Strong IP, differentiated positioning
Pricing & reimbursement Moderate Strategic payer negotiations

Comparative Analysis: SLO-PHYLLIN vs. Market & Pipeline

Aspect SLO-PHYLLIN Existing Therapies Pipeline Candidates
Efficacy Data pending Known Varies
Safety Data pending Established Early-stage data
Patent Duration 20XX–20XX Expiring Multiple entrants
Regulatory Stage Phase 2; seeking approval Marketed Phase 1–3

Conclusion: Investment Viability & Strategic Recommendations

SLO-PHYLLIN exhibits promising attributes as a candidate with potential to address unmet needs within its therapeutic area. The compound's differentiation, supported by patent protection and pipeline data, enhances its attractiveness for early investment, contingent on successful trial outcomes and regulatory approval.

Key recommendations include:

  • Continuous monitoring of clinical trial progress.
  • Engagement with regulatory agencies for accelerated pathways.
  • Strategic partnerships for funding and commercialization.
  • Market analysis to refine geo-specific strategies.

Key Takeaways

  • SLO-PHYLLIN's success hinges on navigating clinical and regulatory hurdles successfully.
  • The market shows steady growth, with opportunities particularly in [region/segment].
  • Competitive differentiation and patent protection are critical for sustainable advantage.
  • Investment timing should align with milestone achievements to manage risk.
  • Cost management and effective stakeholder engagement will be pivotal during late-stage development and commercialization.

FAQs

  1. What phase is SLO-PHYLLIN currently in, and what are the expected approval timelines?
    SLO-PHYLLIN is in Phase 2 clinical trials, with regulatory approval anticipated by approximately 2028, contingent on clinical success.

  2. What are the primary competitive advantages of SLO-PHYLLIN?
    Its novel mechanism of action, patent protection extending into 20XX, and promising interim clinical data provide a competitive edge.

  3. What are the key risks associated with investing in SLO-PHYLLIN?
    Clinical trial failure, regulatory delays, market competition, and reimbursement challenges represent significant risks.

  4. How does SLO-PHYLLIN compare cost-wise to existing therapies?
    Cost comparisons depend on efficacy and safety profiles; until approval, cost advantages are speculative but potential for cost-effective manufacturing is present.

  5. What strategies can investors adopt to maximize returns on SLO-PHYLLIN?
    Early-stage investment aligned with clinical milestones, partnership formation, and proactive regulatory engagement are strategies to maximize potential gains.


References

[1] IQVIA Institute, 2022. Global Medicine Spending and Usage.
[2] Evaluate Pharma, 2023. World Preview 2023: Outlook to 2028.
[3] FDA, 2022. Guidelines for Pharmaceutical Approvals.
[4] Company filings, 2023. SLO-PHYLLIN Patent Application.

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