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Last Updated: March 25, 2026

Methamphetamine hydrochloride - Generic Drug Details


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What are the generic drug sources for methamphetamine hydrochloride and what is the scope of patent protection?

Methamphetamine hydrochloride is the generic ingredient in three branded drugs marketed by Ajenat Pharms, Teva, Able, Dr Reddys Labs Sa, Hikma, and Rexar, and is included in seven NDAs. Additional information is available in the individual branded drug profile pages.

There are four drug master file entries for methamphetamine hydrochloride. Three suppliers are listed for this compound.

Summary for methamphetamine hydrochloride
US Patents:0
Tradenames:3
Applicants:6
NDAs:7
Drug Master File Entries: 4
Finished Product Suppliers / Packagers: 3
Raw Ingredient (Bulk) Api Vendors: 33
Clinical Trials: 157
Patent Applications: 6,560
What excipients (inactive ingredients) are in methamphetamine hydrochloride?methamphetamine hydrochloride excipients list
DailyMed Link:methamphetamine hydrochloride at DailyMed
Recent Clinical Trials for methamphetamine hydrochloride

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
University of FloridaEARLY_PHASE1
University of Wisconsin, MadisonPHASE1
U.S. Department of JusticePHASE1

See all methamphetamine hydrochloride clinical trials

US Patents and Regulatory Information for methamphetamine hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Rexar METHAMPHETAMINE HYDROCHLORIDE methamphetamine hydrochloride TABLET;ORAL 084931-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Able METHAMPHETAMINE HYDROCHLORIDE methamphetamine hydrochloride TABLET;ORAL 040529-001 Feb 25, 2004 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma METHAMPHETAMINE HYDROCHLORIDE methamphetamine hydrochloride TABLET;ORAL 203846-001 Nov 17, 2015 AA RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Teva METHAMPEX methamphetamine hydrochloride TABLET;ORAL 083889-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Dr Reddys Labs Sa METHAMPHETAMINE HYDROCHLORIDE methamphetamine hydrochloride TABLET;ORAL 091189-001 Apr 21, 2010 AA RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Ajenat Pharms DESOXYN methamphetamine hydrochloride TABLET, EXTENDED RELEASE;ORAL 005378-005 Approved Prior to Jan 1, 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

Methamphetamine Hydrochloride: Market Dynamics and Financial Trajectory

Last updated: February 19, 2026

Market Overview

Methamphetamine hydrochloride, primarily known as Desoxyn, is a Schedule II controlled substance in the United States, approved for the short-term treatment of attention deficit hyperactivity disorder (ADHD) and exogenous obesity. Its market is characterized by limited indications, strict regulatory oversight, and a constrained supply chain due to its potential for abuse.

Current Market Size and Growth

The market for pharmaceutical methamphetamine hydrochloride is small and has seen minimal growth. Unlike broader ADHD medications, Desoxyn's use is restricted due to its stimulant properties and high abuse potential.

  • Estimated Market Share: Desoxyn represents a fraction of the overall ADHD market, which is dominated by amphetamine salts and methylphenidate-based medications.
  • Growth Rate: Annual growth is negligible, largely tied to fluctuations in physician prescribing patterns for niche indications and the availability of alternative treatments.

Key Market Drivers

  • Limited Prescribing Indications: Approved uses for ADHD and short-term obesity treatment are narrow, preventing broad market penetration.
  • Regulatory Scrutiny: The U.S. Drug Enforcement Administration (DEA) and Food and Drug Administration (FDA) impose stringent controls on manufacturing, distribution, and prescribing.
  • Availability of Alternatives: A wide array of other stimulant and non-stimulant medications for ADHD offer physician and patient choice.
  • Physician Hesitation: Concerns about abuse, diversion, and patient safety lead many physicians to avoid prescribing methamphetamine hydrochloride.

Market Restraints

  • High Abuse Potential: The primary restraint is the inherent risk of addiction and diversion, leading to strict regulatory hurdles.
  • Stigma Associated with the Drug: The public perception of methamphetamine, heavily influenced by illicit use, creates a significant barrier to widespread acceptance and prescription.
  • DEA Quotas: Annual aggregate production quotas set by the DEA limit the total amount of methamphetamine hydrochloride that can be legally manufactured in the United States. In 2023, the quota for methamphetamine for medical use was set at 20 kilograms [1]. This quota is significantly lower than that for other Schedule II stimulants.
  • Limited Patient Population: Only a small subset of patients with ADHD who have not responded to other treatments, or those with specific co-morbidities, are typically considered candidates. For obesity, its use is restricted to cases where other weight-loss approaches have failed.

Financial Trajectory

The financial performance of Desoxyn is dictated by its limited market size and the specialized nature of its manufacturing and distribution.

Revenue Generation

Revenue is generated solely from the sale of prescription Desoxyn to licensed pharmacies.

  • Pricing: The pricing of Desoxyn is set by the manufacturer, AbbVie Inc., and its predecessor, Knoll Pharmaceuticals. While specific wholesale acquisition costs can fluctuate, they are generally comparable to or higher than other branded ADHD medications due to the specialized manufacturing and regulatory compliance involved. A typical prescription of 30 tablets (5 mg) can range from $150 to over $300 without insurance.
  • Sales Volume: Sales volumes are low, reflecting the restricted prescribing. Precise, publicly disclosed sales figures for Desoxyn alone are not typically broken out by AbbVie in its financial reports, as it is a small component of its broader neuroscience or therapeutic area portfolios. However, based on the limited DEA quota and physician prescribing data, annual sales are likely in the low millions of dollars.
  • Patent Expiration and Generic Competition: The original patents for methamphetamine hydrochloride for pharmaceutical use have long expired. However, the significant regulatory hurdles, the complex manufacturing process for a pharmaceutical-grade product, and the extremely small market size have historically deterred extensive generic competition. Only one generic version, manufactured by LNK International, has been approved by the FDA [2]. The presence of a generic has further pressured pricing but has not significantly altered the overall market size.

Manufacturing and Supply Chain Costs

The production of pharmaceutical-grade methamphetamine hydrochloride is exceptionally complex and costly.

  • DEA Compliance: Manufacturers must adhere to extremely rigorous security, record-keeping, and reporting requirements mandated by the DEA. This includes secure storage, controlled access, and detailed tracking of every gram of the substance.
  • Specialized Manufacturing: The synthesis and purification processes require specialized chemical expertise and facilities designed to handle controlled substances safely and compliantly.
  • Quota Management: Manufacturers must operate within the strict DEA annual production quota, which requires careful planning and forecasting to avoid over- or under-production relative to demand.

Profitability

Given the low sales volume and high production/compliance costs, the profitability of Desoxyn is likely modest.

  • Contribution Margin: While the per-unit profit margin might be reasonable due to branded pricing and limited generic penetration, the overall contribution to a large pharmaceutical company's revenue and profit is minimal.
  • Strategic Value: The continued production and marketing of Desoxyn may be maintained for strategic reasons, such as fulfilling a commitment to provide treatment options for specific patient needs or as part of a broader therapeutic portfolio, rather than for significant profit generation.

Regulatory Landscape

The regulatory environment is the most critical factor shaping the market and financial trajectory of methamphetamine hydrochloride.

U.S. Regulatory Framework

  • Controlled Substances Act (CSA): Methamphetamine is classified as a Schedule II controlled substance under the CSA. This classification signifies a high potential for abuse, a currently accepted medical use, and a moderate to low risk of severe dependence.
  • DEA Oversight: The DEA regulates all aspects of legitimate methamphetamine production, distribution, and dispensing. This includes:
    • Registration: All entities involved in handling Schedule II substances must be registered with the DEA.
    • Quotas: Annual aggregate production quotas limit the total amount that can be manufactured.
    • Security Requirements: Stringent physical security measures are mandated for manufacturing, storage, and distribution facilities.
    • Record Keeping and Reporting: Detailed records of all transactions, from manufacturing to dispensing, are required.
  • FDA Approval: The FDA approves the pharmaceutical product (Desoxyn) for specific indications. Any changes to manufacturing, labeling, or indications require FDA review and approval.
  • Prescribing Regulations: Physicians prescribing Schedule II controlled substances face specific requirements, including the need for a DEA registration number and adherence to state-specific prescription regulations (e.g., prescription monitoring programs).

International Considerations

While Desoxyn is approved and marketed in the U.S., its availability and regulation vary significantly in other countries. Many nations have stricter controls or do not approve its use for ADHD or obesity due to abuse potential and the availability of alternatives. This limits any potential for significant international market expansion.

Future Outlook

The future outlook for pharmaceutical methamphetamine hydrochloride remains constrained by its inherent characteristics and the regulatory environment.

  • Limited Market Expansion: Significant expansion of the market is unlikely without a change in approved indications or a substantial shift in regulatory policy.
  • Continued Regulatory Burden: The stringent regulatory controls are expected to persist, maintaining high compliance costs for manufacturers.
  • Role as a Niche Treatment: Desoxyn will likely continue to serve as a niche treatment option for a small patient population with specific medical needs, rather than a mainstream therapeutic agent.
  • Potential for Supply Disruptions: Given the low DEA quota and the limited number of manufacturers, any unforeseen issues with production or supply chain could lead to temporary shortages.
  • Innovation Restraint: The high regulatory barrier and limited market potential make significant investment in new formulations or delivery systems for pharmaceutical methamphetamine hydrochloride improbable.

Key Takeaways

  • The U.S. market for pharmaceutical methamphetamine hydrochloride is diminutive, driven by highly restricted medical indications for ADHD and obesity and severe regulatory oversight.
  • DEA quotas cap annual production at approximately 20 kilograms for medical use, a critical constraint on market size and availability.
  • AbbVie Inc. markets the primary branded product, Desoxyn, with a single generic competitor present.
  • Revenue is generated from a small volume of prescriptions, with pricing reflecting specialized manufacturing and compliance costs.
  • The financial trajectory is characterized by modest revenue and profitability, with the product likely maintained for strategic reasons rather than significant profit generation.
  • The U.S. Controlled Substances Act and DEA regulations impose stringent requirements on manufacturing, distribution, and prescribing, defining the market's operational and financial landscape.
  • Future market expansion is highly improbable due to persistent regulatory hurdles and the absence of new therapeutic applications.

Frequently Asked Questions

  1. What is the primary indication for pharmaceutical methamphetamine hydrochloride in the U.S.? The primary indications are the short-term treatment of attention deficit hyperactivity disorder (ADHD) and exogenous obesity, with specific criteria for patient selection.

  2. Which regulatory bodies oversee the production and distribution of pharmaceutical methamphetamine hydrochloride? The U.S. Drug Enforcement Administration (DEA) oversees production quotas and controlled substance regulations, while the Food and Drug Administration (FDA) approves the drug for its medical indications.

  3. How do DEA production quotas affect the market for pharmaceutical methamphetamine hydrochloride? DEA quotas set a strict annual limit on the total amount of methamphetamine hydrochloride that can be legally manufactured for medical use, directly restricting market supply and influencing availability. For 2023, this quota was 20 kilograms.

  4. What is the competitive landscape for pharmaceutical methamphetamine hydrochloride? The landscape is limited, with AbbVie Inc. as the primary marketer of the branded product, Desoxyn. A single generic version, manufactured by LNK International, is also approved by the FDA.

  5. Are there significant international markets for pharmaceutical methamphetamine hydrochloride? Significant international markets are unlikely due to varying and often stricter regulatory controls in other countries regarding controlled substances and the availability of alternative treatments.


Citations

[1] U.S. Drug Enforcement Administration. (2022). Final order: Establishment of aggregate production quotas for Schedule I and II controlled substances and revision of the temporary aggregate production quotas for 2023. Federal Register, 87(237), 77984-77989. Retrieved from https://www.federalregister.gov/documents/2022/12/12/2022-26964/final-order-establishment-of-aggregate-production-quotas-for-schedule-i-and-ii-controlled-substances-and

[2] U.S. Food and Drug Administration. (n.d.). Drugs@FDA: FDA Approved Drug Products. Retrieved from https://www.accessdata.fda.gov/scripts/cder/daf/

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