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Last Updated: March 26, 2026

Pentazocine hydrochloride - Generic Drug Details


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

Pentazocine hydrochloride is the generic ingredient in one branded drug marketed by Sanofi Aventis Us and is included in one NDA. Additional information is available in the individual branded drug profile pages.

There are three drug master file entries for pentazocine hydrochloride.

Summary for pentazocine hydrochloride
Recent Clinical Trials for pentazocine hydrochloride

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

SponsorPhase
Darlington-Peter Chibuzor UgojiPHASE4
Federal Medical Centre, YenagoaN/A
Assumpta Nnenna NwekeNA

See all pentazocine hydrochloride clinical trials

Anatomical Therapeutic Chemical (ATC) Classes for pentazocine hydrochloride

US Patents and Regulatory Information for pentazocine hydrochloride

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 TALWIN 50 pentazocine hydrochloride TABLET;ORAL 016732-001 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

Pentazocine hydrochloride Market Analysis and Financial Projection

Last updated: February 15, 2026

What Are the Market Dynamics for Pentazocine Hydrochloride?

Pentazocine hydrochloride is an opioid analgesic primarily used for pain management. Its market landscape is shaped by medical, regulatory, and competitive factors.

Market Size and Growth

Global demand for opioid analgesics, including pentazocine hydrochloride, is influenced by the prevalence of chronic and acute pain conditions. The analgesic market was valued at approximately $21 billion in 2022, with opioids accounting for a significant portion.

Specifically, pentazocine hydrochloride's share remains modest relative to dominant opioids like morphine and oxycodone. Its sales volumes have been stable but limited by its prescription profile and safety considerations.

Medical Use and Prescribing Trends

Physicians prescribe pentazocine hydrochloride primarily for moderate pain. The drug's utilization has declined in regions with strict opioid regulations due to concerns over dependence and misuse.

In countries like the U.S., prescribing patterns bifurcate: some prescribers favor alternatives with better safety profiles, while others continue to use pentazocine due to established efficacy.

Competitive Landscape

Major players include Pfizer, Sterling Winthrop (a subsidiary of Sanofi), and generic manufacturers. Competition comes from both branded and generic opioids, as well as non-opioid analgesics like NSAIDs and acetaminophen.

The proliferation of abuse-deterrent formulations and the shift toward multimodal pain management impact pentazocine’s market positioning.

Regulatory Environment

Regulations deeply influence market stability. In the U.S., the Drug Enforcement Administration (DEA) classifies pentazocine as a Schedule IV controlled substance, imposing strict prescribing and dispensing controls.

Global variances exist, with some countries enforcing tighter restrictions or banning certain formulations, thus constricting market access.

Pricing and Reimbursement Factors

Pricing pressure is significant, especially in healthcare systems emphasizing cost containment. Reimbursement policies favor drugs with proven safety and efficacy, reducing market share for drugs with abuse potential.

External Market Drivers

  • The opioid epidemic prompts increased scrutiny and regulation.
  • Growing emphasis on non-opioid pain management alternatives.
  • Increased awareness of opioid misuse risks.

What Is the Financial Trajectory for Pentazocine Hydrochloride?

Revenue Trends and Projections

Due to its limited market share and regulatory constraints, pentazocine hydrochloride’s annual global sales are estimated below $50 million. Historically, sales are stable but show a declining trend in markets with restrictions.

A compound annual growth rate (CAGR) projection from 2023 to 2028 suggests a slight decline of approximately 2-4%, driven by shrinking prescribing practices and competition from safer analgesics.

Cost Structure and Margins

Manufacturing costs are relatively low, given generic production. However, expenses associated with compliance, regulatory filings, and marketing tend to suppress profit margins.

Gross profit margins are estimated around 20–30%, considering typical generic drug margins.

Investment and R&D Spending

Investment in R&D for pentazocine derivatives or reformulations is minimal due to limited financial return potential. Companies allocate resources toward non-addictive analgesics and abuse-deterrent opioid formulations.

Market Entry and Exit Risks

Market entry is limited by high regulatory hurdles and the need for considerable infrastructure to ensure compliance. Exit considerations are driven by shrinking sales and increasing legal liabilities associated with opioids.

Long-Term Outlook

Industry trends toward non-opioid pain management, regulatory tightening, and public health concerns influence a bleak long-term financial outlook for pentazocine hydrochloride.

Key Takeaways

  • Pentazocine hydrochloride remains a niche opioid analgesic with limited market share.
  • Regulatory restrictions and safety concerns restrict growth prospects.
  • Global sales are estimated below $50 million annually, with a slight decline projected.
  • Market competition is strong, mainly from other opioids and non-opioid analgesics.
  • Investment in R&D and new formulations is minimal due to economic and regulatory barriers.

FAQs

1. Why has pentazocine hydrochloride seen a decline in prescriptive volumes?
Because of safety concerns, particularly abuse potential and dependence, prescribers favor safer alternatives and non-opioid pain medications in many regions.

2. Are there any new formulations of pentazocine hydrochloride under development?
Limited development exists, primarily focused on abuse-deterrent formulations, but these face regulatory and economic challenges.

3. How does regulation affect the future market for pentazocine?
Stringent scheduling and prescribing restrictions, aligned with efforts to combat opioid misuse, will likely diminish its market presence further.

4. What are the primary competitors to pentazocine hydrochloride?
Morphine, oxycodone, hydrocodone, and non-opioid options like NSAIDs represent major competitors.

5. Could pentazocine hydrochloride make a market comeback?
Unlikely without significant reformulation or regulatory changes that exploit unmet medical needs while minimizing abuse risk.


Citations:

[1] MarketWatch, 2023. “Global Analgesics Market Valuation.”
[2] U.S. DEA Schedule Classification, 2022.
[3] EvaluatePharma, 2023. “Opioid Analgesics Sales Data.”

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