Last Updated: August 25, 2026

MEPERIDINE HYDROCHLORIDE; PROMETHAZINE HYDROCHLORIDE - Generic Drug Details


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What are the generic drug sources for meperidine hydrochloride; promethazine hydrochloride and what is the scope of freedom to operate?

Meperidine hydrochloride; promethazine hydrochloride is the generic ingredient in one branded drug marketed by Hikma and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for MEPERIDINE HYDROCHLORIDE; PROMETHAZINE HYDROCHLORIDE
US Patents:0
Tradenames:1
Applicants:1
NDAs:1
Clinical Trials: 2
DailyMed Link:MEPERIDINE HYDROCHLORIDE; PROMETHAZINE HYDROCHLORIDE at DailyMed
Recent Clinical Trials for MEPERIDINE HYDROCHLORIDE; PROMETHAZINE HYDROCHLORIDE

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

SponsorPhase
Albert Einstein Healthcare NetworkN/A
University of California, IrvineN/A

See all MEPERIDINE HYDROCHLORIDE; PROMETHAZINE HYDROCHLORIDE clinical trials

US Patents and Regulatory Information for MEPERIDINE HYDROCHLORIDE; PROMETHAZINE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Hikma MEPERGAN meperidine hydrochloride; promethazine hydrochloride INJECTABLE;INJECTION 011730-001 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

Market Dynamics and Financial Trajectory for Meperidine Hydrochloride and Promethazine Hydrochloride

Last updated: February 26, 2026

Are These Drugs Still Commercially Relevant?

Meperidine hydrochloride and promethazine hydrochloride are established pharmaceuticals with distinct roles. However, shifts in regulatory policies, scientific research, and market demand influence their market positions.


Meperidine Hydrochloride: Current Market Profile

Regulatory Status and Market Presence

  • Approval Status: Approved for pain management in various countries until recent regulatory restrictions owing to safety concerns.
  • Market Withdrawal: The U.S. Food and Drug Administration (FDA) banned meperidine in 2020 for outpatient use, citing neurotoxicity and risk of seizures [1].
  • Global Market: Still available in countries with less restrictive drug regulations but reduced demand.

Manufacturing and Supply Chain

  • Major Manufacturers: Several generic pharmaceutical companies produce meperidine worldwide.
  • Production Trends: Declining due to safety concerns and the availability of safer opioids.

Market Size and Revenue

  • Historical Revenue (U.S.): Estimated peak sales exceeded $250 million annually before regulatory restrictions [2].
  • Current Revenue: Significantly decreased; mostly limited to emerging markets.

Competitive Landscape

  • Alternatives: Buprenorphine, fentanyl, and other opioids with better safety profiles.
  • Market Share: Reduced by regulations and societal shift away from high-risk opioids.

Forecast

  • Short-term (1-3 years): Market contraction continues; few new formulations.
  • Long-term (5+ years): Likely minimal unless regulatory statuses change.

Promethazine Hydrochloride: Current Market Profile

Regulatory Status and Usage

  • Approved Uses: Antiemetic, sedative, histamine-1 receptor antagonist.
  • Restrictions: Safe when used as prescribed but associated with serious side effects like respiratory depression in young children.

Manufacturing and Supply Chain

  • Major Manufacturers: Several global pharmaceutical companies.
  • Formulations: Oral tablets, syrups, injections.

Market Size and Revenue

  • Global Market Value: Estimated at $350 million annually [3].
  • Market Trends: Steady demand driven by antiemetic and sedative uses, especially in hospital settings.

Competition

  • Alternatives: Ondansetron, promethazine’s phenothiazine class faces competition from newer antiemetics.
  • Market Share: Stable but challenged by newer therapies with fewer side effects.

Forecast

  • Short-term: Slight decline in outpatient use due to safety concerns.
  • Long-term: Remains relevant in specific niches like allergy treatment but slowly losing overall market share.

Financial Trajectory Summary

Drug Market Status Revenue (2022) Future Outlook
Meperidine Hydrochloride Declining; regulatory restrictions <$50 million Minimal unless regulatory environment shifts positively.
Promethazine Hydrochloride Stable in hospitals; declining outpatient ~$350 million Persistence in specific settings; overall decline slow.

Key Market Drivers and Risks

Drivers

  • Aging populations increase demand for antiemetics and analgesics.
  • Ongoing research into opioid alternatives influences meperidine’s relevance.
  • Hospital and institutional usage sustains promethazine demand.

Risks

  • Regulatory bans or restrictions.
  • Emergence of newer drugs with superior safety profiles.
  • Legal liabilities associated with side effects.

Key Takeaways

  • Meperidine hydrochloride faces near-complete market withdrawal in developed countries due to safety concerns; limited growth prospects.
  • Promethazine hydrochloride maintains steady demand in hospital settings but risks decline as newer agents emerge.
  • The overall pharmaceutical market for these drugs is shrinking; investment and R&D focus increasingly go toward safer alternatives.

FAQs

1. Why was meperidine withdrawn from the U.S. market?
Concerns over neurotoxicity, accumulation of toxic metabolites, and risk of seizures led the FDA to ban outpatient use in 2020 [1].

2. Are there ongoing clinical trials for meperidine?
Limited; most studies focus on safer alternatives or management of opioid addiction rather than new formulations of meperidine.

3. How does promethazine compare to newer antiemetics?
It is less effective and has more side effects, leading to diminished use outside specialized or institutional settings.

4. Is promethazine still recommended for pediatric use?
Use is cautioned due to risks like respiratory depression, especially in children under two years old.

5. What are potential future developments for these drugs?
Meperidine’s market will likely continue to decline, possibly eliminated in developed markets. Promethazine’s niche applications may persist, pending regulatory and safety considerations.


References

[1] U.S. Food and Drug Administration. (2020). FDA Bans Use of Meperidine.
[2] MarketWatch. (2021). The decline of traditional opioids.
[3] IBISWorld. (2022). Global Antiemetic Drug Market Report.

Note: Data is based on publicly available sources as of 2022.

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