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Last Updated: March 19, 2026

DEXTROAMPHETAMINE SULFATE Drug Patent Profile


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Which patents cover Dextroamphetamine Sulfate, and what generic alternatives are available?

Dextroamphetamine Sulfate is a drug marketed by Able, Actavis Elizabeth, Nesher Pharms, Pharmobedient, Senores Pharms, Specgx Llc, Strides Pharma, Strides Pharma Intl, Prasco, Tris Pharma Inc, Ani Pharms, Aurolife Pharma Llc, Avanthi Inc, Azurity, Barr, Epic Pharma Llc, Halsey, Lannett, Mast Mm, Novel Labs Inc, Nuvo Pharm, Purepac Pharm, Sandoz, Vitarine, and Winder Labs Llc. and is included in thirty-three NDAs.

The generic ingredient in DEXTROAMPHETAMINE SULFATE is dextroamphetamine sulfate. There are eighteen drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the dextroamphetamine sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Dextroamphetamine Sulfate

A generic version of DEXTROAMPHETAMINE SULFATE was approved as dextroamphetamine sulfate by BARR on January 31st, 2001.

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Summary for DEXTROAMPHETAMINE SULFATE
US Patents:0
Applicants:25
NDAs:33

US Patents and Regulatory Information for DEXTROAMPHETAMINE SULFATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Epic Pharma Llc DEXTROAMPHETAMINE SULFATE dextroamphetamine sulfate TABLET;ORAL 090652-001 Mar 7, 2014 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Azurity DEXTROAMPHETAMINE SULFATE dextroamphetamine sulfate TABLET;ORAL 090533-001 Oct 25, 2011 AA RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Nesher Pharms DEXTROAMPHETAMINE SULFATE dextroamphetamine sulfate TABLET;ORAL 206588-001 Mar 28, 2016 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Strides Pharma Intl DEXTROAMPHETAMINE SULFATE dextroamphetamine sulfate TABLET;ORAL 040299-001 May 13, 1999 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Lannett DEXTROAMPHETAMINE SULFATE dextroamphetamine sulfate TABLET;ORAL 083903-003 Approved Prior to Jan 1, 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

Investment Scenario and Fundamentals Analysis for Dextroamphetamine Sulfate

Last updated: February 20, 2026

What Is Dextroamphetamine Sulfate?

Dextroamphetamine sulfate is a central nervous system stimulant primarily used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It acts by increasing the release of dopamine and norepinephrine in the brain, leading to enhanced focus and alertness.

Market Overview

The global ADHD treatment market totaled approximately $18.2 billion in 2022, with stimulant drugs representing around 70% of sales. Dextroamphetamine sulfate accounts for a substantial share owing to its established efficacy, especially in generic forms. The segment has exhibited a compound annual growth rate (CAGR) of 4.8% from 2018 to 2022.

Patent and Regulatory Status

Dextroamphetamine sulfate itself is a generic drug with patent expirations dating back to 2012. The original branded formulations, such as Adderall XR (amphetamines and dextroamphetamines), lost patent protection in the United States in 2017. Generic manufacturers dominate the market, increasing pricing pressures but also volume.

In 2020, the U.S. Food and Drug Administration (FDA) approved several generic versions of dextroamphetamine sulfate. Regulatory hurdles are minimal post-approval, although manufacturing compliance with Good Manufacturing Practice (GMP) standards remains essential.

Key Drivers for Investment

  • Generic Market Maturity: The drug's market is mature, with high sales volumes but declining pricing margins due to generic competition.
  • Rising ADHD Diagnoses: Increased awareness and diagnosis, driven by clinical guidelines updates, expanding the patient base.
  • Growth in Narcolepsy Treatment: The drug maintains relevance for narcolepsy, with steady demand.
  • Potential for New Formulations: Extended-release formulations via partnerships or in-house R&D could command premium pricing and capture niche markets.

Competitive Landscape

Player Market Share Strategy Recent Developments
Teva Pharmaceutical 35% Largest producer of generic dextroamphetamine Filed new formulations, expanding capacity
Sandoz 20% Focus on affordability and supply chain stability Launched low-cost generics
Other Generics 45% Numerous small to mid-sized companies Continuous market entry and exit

Financial Considerations

  • Pricing Trends: Average generic dextroamphetamine sulfate tablets (~5 mg) sell at approximately $0.05 per unit in the US.
  • Manufacturing Costs: Estimated at $0.02-$0.03 per tablet, with margins squeezed by intense competition.
  • Patent Influence: No active patents since 2012 decrease exclusivity prospects, limiting potential premium pricing.

R&D and Pipeline Outlook

Limited ongoing R&D specific to dextroamphetamine sulfate. Market focus shifts toward formulation improvements, abuse-deterrent delivery systems, and combination therapies. No significant clinical pipeline holds clear revenue potential in the next 3-5 years.

Regulatory and Legal Factors

  • Controlled Substance Status: Classified as Schedule II under DEA regulations, complicating manufacturing, distribution, and storage.
  • Legal Risks: Potential for regulation tightening due to concerns about misuse and diversion.

Investment Risks and Opportunities

  • Risks: Price erosion, increasing regulatory scrutiny, supply chain disruptions, and potential shifts toward non-stimulant ADHD therapies.
  • Opportunities: Expansion into emerging markets, development of abuse-deterrent formulations, and regional regulatory approvals for new indications or formulations.

Conclusion

Dextroamphetamine sulfate represents a mature market with steady demand. Investment returns depend on scale efficiencies and narrow profit margins driven by intense generic competition. Limited pipeline prospects reduce long-term growth potential, but opportunities remain in formulation innovation and new markets.


Key Takeaways

  • The drug market is mature with high-volume, low-margin dynamics.
  • Patent expiration in 2012 led to widespread generic competition.
  • Demand continues due to rising ADHD diagnosis rates and stable narcolepsy use.
  • Investment risks include price erosion, regulatory tightening, and diversion concerns.
  • Opportunities lie in formulation advances, regional expansions, and abuse deterrence technology.

FAQs

1. When did the patent for dextroamphetamine sulfate expire?
The original patent expired in 2012, allowing generics to enter the market.

2. What are the primary markets for dextroamphetamine sulfate?
The U.S. is the largest market, with significant sales also in Canada, Europe, and parts of Asia.

3. What challenges do manufacturers face?
Pricing pressure from generic competition, DEA regulations, and potential regulatory changes targeting abuse.

4. Are there any notable clinical pipeline developments?
Current R&D focuses on formulation improvements and abuse-deterrent features, not new drug entities.

5. Can non-stimulant options threaten dextroamphetamine sulfate?
Yes, non-stimulant medications like atomoxetine (Strattera) and guanfacine provide alternatives but currently hold smaller market shares.


References

  1. Markets and Markets. (2023). ADHD therapeutics market size, share, growth analysis.
  2. U.S. FDA. (2020). Approved drug products: dextroamphetamine sulfate.
  3. IQVIA. (2022). Global pharmaceutical market data.
  4. DEA. (2022). Controlled substances scheduling updates.
  5. Bloomberg Intelligence. (2022). Generic pharmaceuticals market analysis.

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