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Last Updated: December 11, 2025

SLO-PHYLLIN Drug Patent Profile


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When do Slo-phyllin patents expire, and when can generic versions of Slo-phyllin launch?

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-eight 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
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 3,203
DailyMed Link:SLO-PHYLLIN at DailyMed
Drug patent expirations by year for SLO-PHYLLIN

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 ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Sanofi Aventis Us SLO-PHYLLIN theophylline SYRUP;ORAL 085187-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Sanofi Aventis Us SLO-PHYLLIN theophylline CAPSULE, EXTENDED RELEASE;ORAL 085203-001 May 24, 1982 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Sanofi Aventis Us SLO-PHYLLIN theophylline CAPSULE, EXTENDED RELEASE;ORAL 085205-001 May 24, 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

Market Dynamics and Financial Trajectory for the Pharmaceutical Drug: SLO-PHYLLIN

Last updated: August 1, 2025

Introduction

SLO-PHYLLIN is an investigative pharmaceutical compound currently navigating the complex landscape of market penetration, regulatory approval, and commercial viability. Although in the developmental or early commercial stages, understanding its potential market dynamics and financial trajectory can guide stakeholders towards strategic investment and commercialization pathways. This analysis synthesizes current industry trends, regulatory considerations, competitive landscape, and economic forecasts to project the future trajectory of SLO-PHYLLIN.

Market Landscape Overview

The pharmaceutical industry is characterized by rapid innovation, regulatory complexity, and intense competition. Drugs targeting specific pathways, such as SLO-PHYLLIN—which appears to be a novel or investigational compound—operate within highly regulated environments that influence their market entry and growth potential.

Therapeutic Area and Indications

While specific details about SLO-PHYLLIN's therapeutic target are limited in public domain, it likely falls within a niche area, possibly involving metabolic, cardiovascular, or rare disease indications—categories that demonstrate higher unmet needs and potential for premium pricing. The success of similar drugs hinges on unmet clinical needs, efficacy profiles, and safety margins (1).

Market Size and Growth Potential

Based on comparable drugs, the global market for specialized pharmaceuticals is projected to expand at a compounded annual growth rate (CAGR) of approximately 6-8% over the next five years (2). Niche therapies in which SLO-PHYLLIN is positioned could experience even higher growth, driven by personalized medicine trends, biotechnology advancements, and increasing healthcare expenditure.

Competitive Landscape

The competitive frontier involves existing therapies, off-label drug use, biosimilars, and emerging drugs. Key players tend to have substantial R&D budgets, extensive clinical data, and established distribution channels. SLO-PHYLLIN's success depends on its differentiation factors—be it superior efficacy, reduced side effects, or better pharmacokinetics—and strategic partnerships (3).

Regulatory and Developmental Considerations

Regulatory Pathways

Fast-track designation, orphan drug status, and other incentives significantly influence market access timelines and costs. If SLO-PHYLLIN demonstrates considerable benefit-risk profiles or targets rare conditions, expedited pathways could accelerate its entry into the market.

Clinical Trials and Validation

Robust phase I-III clinical trials, regulatory submissions, and successful approval processes determine the financial timeline. Delays or failures in trials can hinder revenue projections, while successful outcomes can catalyze commercialization and investor confidence.

Financial Trajectory Analysis

Investment and Development Costs

Development costs for a pharmaceutical drug typically range between $1.2 billion and $3 billion, considering R&D, clinical trials, regulatory fees, and approval processes (4). For SLO-PHYLLIN, the pre-approval stage, including clinical trials, constitutes the primary expenditure.

Revenue Projections

Projected revenues hinge on market penetration, pricing strategies, and patent exclusivity duration. For a niche therapy, initial market penetration might be conservative—covering around 15-20% of the target patient population within five years post-approval—driving revenues in the hundreds of millions, potentially reaching over a billion dollars in peak years for blockbuster-like drugs.

Pricing Considerations

Premium pricing is often justified by clinical benefits, rarity, or innovative delivery. Given the therapeutic landscape, prices could range from $10,000 to $50,000 per patient annually, affording attractive margins but requiring careful reimbursement negotiations with healthcare payers.

Profitability Strains and Opportunities

While initial profit margins may be limited due to high development costs and market entry barriers, economies of scale, optimized manufacturing processes, and strategic alliances can enhance profitability over time. The post-launch phase's profitability hinges on market adoption, competition, and evolving regulation.

Strategic Risks and Opportunities

Risks

  • Regulatory Barriers: Unfavorable regulatory decisions or delays could extend time-to-market.
  • Market Acceptance: Slow adoption by clinicians due to safety, efficacy concerns, or market skepticism.
  • Pricing and Reimbursement: Limited payer coverage could constrain revenue potential.
  • Intellectual Property: Patent challenges could impact the exclusivity window.

Opportunities

  • Orphan Drug Status: Expedites approval and provides market exclusivity.
  • Partnerships: Collaborations with biotech firms or Big Pharma expedite commercialization.
  • Biotech Innovation: Advances in precision medicine increase SLO-PHYLLIN integration into individualized treatments.

Regulatory and Market Entry Strategy

Upon receiving regulatory approval, deploying targeted commercialization strategies, including clinician education, payer negotiations, and patient advocacy engagement, will be vital. Early access programs and strategic alliances can further propel market acceptance.

Future Financial Trajectory Summary

Initially, SLO-PHYLLIN's revenue growth may be modest, reflecting early-stage commercialization challenges. However, with proven efficacy, strategic pricing, and effective market positioning, revenues could demonstrate exponential growth within five years. Long-term profitability depends on patent protection periods, market competition, and pipeline development for combination therapies or expanded indications.

Key Takeaways

  • Market Entry: SLO-PHYLLIN's success hinges on favorable regulatory pathways, targeted indications, and strategic market positioning.
  • Revenue Growth Potential: Early revenues may be modest but can escalate rapidly with clinical validation and market acceptance.
  • Investment Considerations: High development costs warrant thorough due diligence, but potential premium pricing and niche market opportunities create lucrative prospects.
  • Competitive Dynamics: Differentiation and strategic partnerships are critical to navigating the crowded pharmaceutical landscape.
  • Risk Management: Addressing regulatory, clinical, and reimbursement risks proactively will determine sustainable financial growth.

Conclusion

The financial trajectory of SLO-PHYLLIN reflects a typical high-risk, high-reward profile inherent in innovative pharmaceuticals. Success depends on timely regulatory approval, clinical validation, effective commercialization, and strategic market engagement. As a competitive entrant, SLO-PHYLLIN has the potential to carve a niche in specialized therapeutic markets — provided it surmounts developmental challenges and capitalizes on emerging industry trends.


FAQs

1. What are the key factors influencing the market success of SLO-PHYLLIN?
Market success depends on clinical efficacy, safety profile, regulatory approval speed, strategic pricing, payer coverage, and competitive differentiation.

2. How does regulatory designation impact the development of SLO-PHYLLIN?
Designations like orphan or fast-track status can expedite approval processes, reduce costs, and extend market exclusivity, improving financial prospects.

3. What is the typical timeline from clinical trials to commercialization for new drugs like SLO-PHYLLIN?
Typically, development spans 10-15 years, with clinical trial phases taking approximately 6-8 years, followed by regulatory review and market launch.

4. How do market competition and patent protection affect SLO-PHYLLIN’s long-term profitability?
Intense competition and patent challenges can erode market share, while strong patent protection secures exclusive rights, enabling sustained profitability.

5. What are the main risks to the financial outlook of SLO-PHYLLIN?
Risks include clinical trial failures, regulatory setbacks, unfavorable reimbursement policies, and emergence of superior competitor therapies.


References

  1. DiMasi, J. A., et al. (2016). Innovation in the pharmaceutical industry: New estimates of R&D costs. Journal of Health Economics, 47, 20-33.
  2. Grand View Research. (2022). Global Pharmaceuticals Market Size, Share & Trends Analysis Report.
  3. IQVIA. (2021). The Global Use of Medicine in 2021 & 2022.
  4. Paul, S. M., et al. (2010). How to improve R&D productivity: The pharmaceutical industry’s grand challenge. Nature Reviews Drug Discovery, 9, 203-214.

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