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Last Updated: December 18, 2025

PHENTERMINE RESIN 30 Drug Patent Profile


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When do Phentermine Resin 30 patents expire, and when can generic versions of Phentermine Resin 30 launch?

Phentermine Resin 30 is a drug marketed by Quantum Pharmics and is included in one NDA.

The generic ingredient in PHENTERMINE RESIN 30 is phentermine resin complex. There are seventeen drug master file entries for this compound. Additional details are available on the phentermine resin complex profile page.

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Summary for PHENTERMINE RESIN 30
Drug patent expirations by year for PHENTERMINE RESIN 30
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US Patents and Regulatory Information for PHENTERMINE RESIN 30

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Quantum Pharmics PHENTERMINE RESIN 30 phentermine resin complex CAPSULE, EXTENDED RELEASE;ORAL 089120-001 Feb 4, 1988 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 Phentermine Resin 30

Last updated: July 28, 2025

Introduction

Phentermine Resin 30 mg, a sympathomimetic amine anorectic, plays a significant role within the obesity management pharmaceutical landscape. Market dynamics surrounding this drug are shaped by regulatory pathways, competitive positioning, patent landscapes, and evolving treatment paradigms. This analysis explores the underlying market forces, financial projections, and strategic considerations related to Phentermine Resin 30, providing stakeholders with a comprehensive understanding of its commercial outlook.


Regulatory Landscape and Market Entry Barriers

Phentermine Resin 30 has long been established as an anti-obesity agent, primarily approved for short-term weight management. The drug’s patent status is a critical factor influencing its market trajectory. Many formulations of phentermine have expired or faced patent cliffs, opening opportunities for generics and biosimilars. Regulatory agencies such as the FDA classify phentermine as a Schedule IV controlled substance due to its potential for abuse, complicating manufacturing, distribution, and prescribing practices.

New entrants or formulations seeking approval must navigate rigorous clinical efficacy and safety assessments, along with controlled substance regulations. However, the generic market has historically been robust, providing a pathway for price competition and wider accessibility.

Market Drivers and Demand Dynamics

The global obesity epidemic continues to drive demand for pharmacological interventions like Phentermine Resin 30. According to the World Obesity Federation, over 650 million adults worldwide were obese in 2016, a figure projected to escalate. Healthcare providers increasingly integrate pharmacotherapy with lifestyle modifications, creating a steady patient base.

Key drivers include:

  • Increasing obesity prevalence: Heightening the need for effective weight-loss pharmacotherapy.

  • Cost-effectiveness: Phentermine's low-price point offers an affordable option compared to newer obesity drugs.

  • Physician familiarity: Long-standing safety profile enhances prescribing confidence.

  • Regulatory approvals: Wide approvals in multiple jurisdictions bolster market access.

Conversely, growing concerns over abuse potential and side effects necessitate careful patient selection, which may temper broad utilization.

Competitive Landscape and Market Share Distribution

The market comprises multiple players offering phentermine-based products, including branded formulations, generics, and combination therapies. Companies like Teva Pharmaceuticals, Actavis, and Sandoz predominantly lead with generic versions of Phentermine Resin 30.

Emerging competitors focusing on novel formulations, such as extended-release or combination drugs, seek to differentiate themselves. However, the entrenched position of generics constrains pricing power, with the average retail price for Phentermine Resin 30 experiencing significant erosion over the past decade.

Innovation and Alternatives

Recent pharmaceutical innovations focus on combination therapies (e.g., phentermine with topiramate), which are vying for prominence and potentially substituting traditional monotherapy. The advent of GLP-1 receptor agonists—like semaglutide—poses a challenge to phentermine’s market share due to superior efficacy and safety profiles.

Nevertheless, Phentermine Resin 30 retains appeal due to its affordability, accessibility, and familiarity among clinicians.


Financial Trajectory and Revenue Outlook

Historical Market Performance

The U.S. pharmaceutical market for phentermine has historically been stable, driven by high utilization in outpatient weight management clinics. According to IQVIA data, the total prescriptions for phentermine or its generics in the U.S. peaked around 20 million annually during the mid-2010s but declined steadily due to generic price erosion and competition from newer agents.

Projected Revenue Growth

The global obesity pharmacotherapy market is expected to grow at a compound annual growth rate (CAGR) of approximately 5-7% over the next five years, reaching an estimated valuation of $9 billion by 2028. Within this, the segment attributable to phentermine-based drugs is anticipated to decline modestly in the US due to patent expiries but may sustain or slightly increase in emerging markets.

Factors Influencing Financial Trajectory

  • Patent and Exclusivity Status: Patent expiries for key formulations have precipitated price competition. Nonetheless, formulations with extended-release or combination therapies may prolong revenue streams.

  • Generic Market Penetration: The proliferation of cheaper generics constrains margins; however, volume-based sales can compensate if demand persists.

  • Regulatory and Legal Factors: New restrictions on abuse potential could impact sales volume. Conversely, legal protections for certain formulations could provide temporary exclusivity.

  • Market Expansion: Entry into emerging markets, where obesity treatment adoption is rising, could bolster revenues.

  • Reformulation and Innovation: Developing novel delivery systems or combination products could unlock premium pricing and extend lifecycle.

Financial Risks and Opportunities

While revenue projections are generally positive amid ongoing obesity management needs, significant risks include tight regulatory controls, adverse public perception, and competition from novel drug classes. Strategically, firms focusing on formulation innovation, brand differentiation, and global expansion can capitalize on underlying market growth.


Strategic Considerations for Stakeholders

  1. Patent Strategy: Protecting formulations via innovation or obtaining new patents on delivery systems can extend profitability.

  2. Market Penetration: Building relationships with healthcare providers and expanding into emerging markets mitigate revenue erosion.

  3. Regulatory Engagement: Proactive compliance and advocating for scheduling classifications can influence market access.

  4. Portfolio Diversification: Investing in complementary or successor therapies (e.g., combination therapies with better safety profiles) offers growth avenues.

  5. Cost Management: Optimizing manufacturing and distribution efficiencies supports competitiveness amid declining prices.


Key Market Trends

  • Decline of Monotherapy: Shift towards combination therapies with higher efficacy (e.g., phentermine-topiramate).

  • Emerging Obesity Drugs: Injectable and oral drugs with superior safety profiles are gaining favor, impacting phentermine demand.

  • Digital and Telehealth Expansion: Facilitates obesity management, potentially increasing medication utilization.

  • Global Adoption: Increasing access in developing economies offers untapped revenue opportunities.


Conclusion

Phentermine Resin 30 remains an important component of the obesity pharmacotherapy landscape, characterized by stable demand driven by affordability and clinician familiarity. Nonetheless, its financial trajectory faces headwinds from patent expiries, regulatory restrictions, and rising competition from innovative agents. Strategic adaptation—focusing on formulation enhancement, global expansion, and positioning within combination therapies—will be critical to sustaining profitability.

Stakeholders should monitor regulatory shifts, technological innovations, and global market dynamics to inform investment and development decisions. The evolution of the obesity treatment paradigm ultimately influences the long-term viability of Phentermine Resin 30, demanding continuous strategic agility.


Key Takeaways

  • Market Stability: Despite patent expiries, phentermine remains a staple for short-term weight loss, especially in cost-sensitive markets.

  • Competitive Pressure: Generic proliferation and emergence of superior therapeutics constrain revenue growth.

  • Innovation Opportunity: Developing extended-release formulations or combination therapies may extend product lifecycle and profit margins.

  • Global Potential: Expansion into emerging markets offers growth avenues amid saturated domestic markets.

  • Regulatory & Legal Risks: Stringent control on abuse potential and scheduling could impact supply and demand.


FAQs

  1. What influences the pricing of Phentermine Resin 30 across different markets?
    Pricing is primarily driven by patent status and competition. Generics have led to significant price reductions, especially in developed markets like the U.S., where multiple manufacturers compete. Regulatory restrictions and controlled substance scheduling also impact availability and price.

  2. How are regulatory agencies addressing abuse concerns related to Phentermine?
    Agencies like the FDA classify phentermine as a Schedule IV drug, imposing strict dispensing and prescribing regulations. Manufacturers may develop formulations with abuse-deterring features or seek reclassification to mitigate restrictions.

  3. What is the outlook for generic versions of Phentermine Resin 30?
    Generics dominate current market shares, offering low-cost options for patients. As patents expire, generics will likely continue to lead market volume, exerting downward pressure on prices but maintaining revenue through high volume sales.

  4. Are there emerging drugs that threaten Phentermine's market share?
    Yes, newer pharmacotherapies such as GLP-1 receptor agonists (e.g., semaglutide) with higher efficacy and better safety profiles are gaining adoption, potentially reducing phentermine's market share in the long term.

  5. What strategic moves can companies adopt to sustain profits from Phentermine Resin 30?
    Innovating with extended-release formulations, developing combination therapies, expanding into emerging markets, and maintaining regulatory compliance are vital strategies to prolong product lifecycle and profitability.


Sources

[1] World Obesity Federation. "Obesity Facts." 2016.
[2] IQVIA. "Pharmaceutical Market Data." 2023.
[3] FDA. "Controlled Substance Scheduling." 2022.
[4] GlobalData. "Obesity Pharmacotherapy Market Forecast." 2022.
[5] MarketWatch. "Phentermine Market Analysis." 2023.

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