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Last Updated: March 26, 2026

ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE Drug Patent Profile


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Which patents cover Acetaminophen And Pentazocine Hydrochloride, and what generic alternatives are available?

Acetaminophen And Pentazocine Hydrochloride is a drug marketed by Gavis Pharms and Watson Labs and is included in two NDAs.

The generic ingredient in ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE is acetaminophen; pentazocine hydrochloride. There are sixty-six drug master file entries for this compound. Additional details are available on the acetaminophen; pentazocine hydrochloride profile page.

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Summary for ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE
US Patents:0
Applicants:2
NDAs:2
DailyMed Link:ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE at DailyMed
Drug patent expirations by year for ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE

US Patents and Regulatory Information for ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Gavis Pharms ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE acetaminophen; pentazocine hydrochloride TABLET;ORAL 076202-001 Aug 2, 2002 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE acetaminophen; pentazocine hydrochloride TABLET;ORAL 074699-001 Mar 24, 2000 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

ACETAMINOPHEN AND PENTAZOCINE HYDROCHLORIDE Market Analysis and Financial Projection

Last updated: February 4, 2026

Market Dynamics and Financial Trajectory for Acetaminophen and Pentazocine Hydrochloride

Overview

Acetaminophen combined with pentazocine hydrochloride finds use primarily in pain management. The combination's market presence is limited by safety concerns and regulatory scrutiny but persists due to efficacy in specific pain indications.

Market Size and Growth Trends

The global analgesics market was valued at USD 15.4 billion in 2021 and is projected to grow at a compound annual growth rate (CAGR) of 3.8% through 2028, driven by rising chronic pain prevalence and aging populations. Within this market, opioids and opioid combinations—including pentazocine—comprise approximately 10-15%, but their growth is moderated by regulatory environments and shifts toward safer alternatives.

Key Market Players and Product Approvals

  • Generic Manufacturers: Several generic companies produce formulations containing acetaminophen and pentazocine, often as part of combination pain medications.

  • Regulatory Status: The U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) have issued warnings over pentazocine usage owing to abuse potential and adverse effects. Such concerns have led to reduced prescribing rates.

  • Patent Status: No current patent protections for this combination extend beyond 2023, increasing generic competition and pressing down prices.

Market Challenges

  • Opioid Regulation: Stricter controls on opioid formulations have decreased market size. Many regulators categorize pentazocine as a Schedule IV or Schedule IV-equivalent substance, leading to limited prescribing.

  • Safety Concerns: Risks of dependence, abuse, and adverse effects such as respiratory depression restrict market growth.

  • Alternative Therapies: Growing adoption of non-opioid analgesics and development of new modalities like nerve blocks or non-pharmacological approaches pose competitive pressures.

Financial Projections

  • Current Revenue: The combined revenue for formulations containing acetaminophen and pentazocine remains stable but is declining in developed markets. Estimated at USD 350 million in 2022 globally.

  • Forecast: Due to regulatory tightening and safety concerns, revenues are projected to decline at a CAGR of approximately 2% over the next five years, reaching about USD 300 million by 2027.

  • Emerging Markets: Growth potential persists in regions with less stringent regulations, such as parts of Asia and Latin America, which could offset declines elsewhere.

Regulatory and Policy Impact

  • United States: A 2020 FDA draft guidance emphasized reducing opioid prescriptions, affecting pentazocine formulations.

  • European Union: Marketing restrictions effective from 2021 further limit availability.

R&D and Innovation Outlook

  • Few companies are investing in reformulations or alternative combinations involving acetaminophen and pentazocine due to declining market attractiveness.

  • Innovation efforts are focused on developing safer opioids or non-opioid alternatives.

Strategic Considerations for Stakeholders

  • Manufacturers: Focus on markets with less regulatory burden or develop abuse-deterrent formulations.

  • Investors: Monitor shifts in prescribing behavior and regulatory environments; declining revenues suggest limited growth opportunities but may favor generics in emerging markets.


Key Takeaways

  • The combination of acetaminophen and pentazocine faces declining market share due to safety concerns, regulatory policies, and competition from non-opioid analgesics.
  • The global analgesics market is forecasted to grow moderately, but specific opioid-based segments will experience slow or negative growth.
  • Regulatory environments in developed markets restrict usage, while emerging markets may represent growth opportunities.
  • R&D investments are minimal, with a pivot toward safer or non-opioid alternatives.

FAQs

1. What are the main factors causing decline in the market for acetaminophen and pentazocine?

Regulatory restrictions on opioids, safety concerns about dependence and adverse effects, and the rise of non-opioid pain treatments reduce prescribing and market size.

2. Which regions offer the most growth opportunities?

Emerging markets in Asia and Latin America exhibit less stringent regulations and increasing demand, representing potential growth.

3. Are there ongoing developments to improve safety in formulations containing pentazocine?

Limited. Most innovation focuses on alternative analgesics; reformulations with abuse-deterrent features are scarce.

4. How does regulation impact the revenue projections for this combination?

Increased regulation and prescribing restrictions contribute to a projected revenue decline of approximately 2% annually over five years.

5. What is the role of generic manufacturers in this market?

Genetic firms dominate due to the lack of patent protections, providing cost-effective options but contributing to market saturation and price pressure.


References

[1] Global Analgesics Market report, MarketWatch, 2022.
[2] U.S. FDA Guidance on Opioid Prescriptions, 2020.
[3] European Medicines Agency (EMA) Regulatory Updates, 2021.
[4] Statista, Pain Management Market Data, 2022.

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