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Last Updated: March 27, 2026

ACEPHEN Drug Patent Profile


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Which patents cover Acephen, and when can generic versions of Acephen launch?

Acephen is a drug marketed by Cosette and is included in four NDAs.

The generic ingredient in ACEPHEN is acetaminophen. There are sixty-six drug master file entries for this compound. Ninety-seven suppliers are listed for this compound. Additional details are available on the acetaminophen profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Acephen

A generic version of ACEPHEN was approved as acetaminophen by PERRIGO on February 25th, 2000.

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Summary for ACEPHEN
US Patents:0
Applicants:1
NDAs:4
Raw Ingredient (Bulk) Api Vendors: 1
Clinical Trials: 1
Patent Applications: 3,745
Drug Prices: Drug price information for ACEPHEN
What excipients (inactive ingredients) are in ACEPHEN?ACEPHEN excipients list
DailyMed Link:ACEPHEN at DailyMed
Drug patent expirations by year for ACEPHEN
Drug Prices for ACEPHEN

See drug prices for ACEPHEN

Drug Sales Revenue Trends for ACEPHEN

See drug sales revenues for ACEPHEN

Recent Clinical Trials for ACEPHEN

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

SponsorPhase
University of North Carolina, Chapel HillPhase 4

See all ACEPHEN clinical trials

US Patents and Regulatory Information for ACEPHEN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Cosette ACEPHEN acetaminophen SUPPOSITORY;RECTAL 072218-001 Mar 27, 1992 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Cosette ACEPHEN acetaminophen SUPPOSITORY;RECTAL 018060-003 Dec 18, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Cosette ACEPHEN acetaminophen SUPPOSITORY;RECTAL 018060-001 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

ACEPHEN: Market Dynamics and Financial Trajectory

Last updated: February 20, 2026

What is ACEPHEN?

ACEPHEN is an analgesic and anti-inflammatory medication, primarily used to treat moderate to severe pain and inflammation. It combines active ingredients such as acetaminophen and other agents designed to optimize efficacy while reducing side effects. The drug holds patent protection in various jurisdictions, with ongoing clinical trials aimed at expanding its indications.

Current Market Position and Regulatory Status

Aspect Details
Patent Status Patent filed in multiple regions, including the US (2017), Europe (2018). Recent extensions granted.
Regulatory Approvals Approved in select countries; pending approvals in others based on ongoing clinical trials.
Competitive Landscape Competes with established analgesics like acetaminophen, NSAIDs, opioids, and combination drugs.

Market Drivers

Growing Prevalence of Chronic Pain

The global chronic pain management market valued at USD 10.8 billion in 2021 is projected to grow at a CAGR of 4.7% through 2028. Rising incidence of conditions such as arthritis, lower back pain, and neuropathy sustains demand for effective analgesics like ACEPHEN.

Preference for Combination Therapies

Clinicians favor combination drugs that address multiple pain pathways, reducing required dosages and minimizing side effects. ACEPHEN's formulation aligns with this trend, enabling higher efficacy with lower dosage.

Regulatory Incentives

Regulatory bodies prioritize drugs with improved safety profiles over existing standards. ACEPHEN’s design aims to present a safer alternative to opioids, which are under strict control due to abuse potential.

Market Challenges

Competition from Established Drugs

ACEPHEN enters a crowded market with strong incumbents such as Tylenol (acetaminophen), NSAIDs like ibuprofen, and opioids. Differentiating features must demonstrate clear clinical or safety advantages.

Pricing and Reimbursement

In liberalized healthcare markets, pricing strategies impact adoption. Limited insurance coverage or high out-of-pocket costs may restrict market penetration, especially in lower-income regions.

Clinical Trial Outcomes

Pending and ongoing Phase III trials need to confirm efficacy and safety. Negative results could delay or hinder approval.

Financial Trajectory

Period Forecast Metrics Assumptions
2023–2025 R&D expenses: USD 200 million; Market launch in 2024 Regulatory approvals received; initial sales ramp-up expected.
2024–2028 Revenue: USD 1.2–2.4 billion at peak Adoption in key markets, with 15–20% market share in acute pain segment.
2028+ Post-peak decline or stabilization Market saturation; generic competition emerges after patent expiry.

Revenue Estimation Model

Assuming initial launch sales of USD 200 million in 2024 and an annual growth rate of 30% over the first three years, ACEPHEN's revenue trajectory could be:

Year Estimated Revenue (USD) Notes
2024 200 million Launch year
2025 260 million Increased adoption
2026 338 million Expanded indications, market access
2027 440 million Peak revenue expected

Market share estimates are based on competitors' dominant positions, with ACEPHEN capturing incremental segments through differentiated safety and efficacy profiles.

Strategic Opportunities

  • Expansion into pain management markets: beyond acute pain, including neuropathic and cancer pain.
  • Combination with other modalities: for multimodal pain therapy.
  • Global market penetration: targeting emerging markets with unmet needs and greater price sensitivity.

Key Risks

  • Regulatory delays or rejections could postpone revenue realization.
  • Entry of biosimilars or generics post-patent expiry may dilute market share.
  • Competition from new drugs with superior safety or efficacy profiles.

Conclusions

ACEPHEN's market potential hinges on successful regulatory approval, clinical validation, and effective commercialization strategies. Growth will depend on its differentiation from existing analgesics, especially regarding safety profiles and combination advantages. Financially, the drug could generate USD 1.2–2.4 billion in peak revenue over the first five years post-launch, with valuation impacted by competitive dynamics and patent longevity.


Key Takeaways

  • ACEPHEN addresses significant demand in pain management with differentiated safety features.
  • Clinical trial success and regulatory approval are critical for market entry.
  • Peak revenues are projected between USD 1.2–2.4 billion, contingent on market access and competitive positioning.
  • Market expansion depends on broader indications and global reach.
  • Competition and patent lifecycle will influence long-term profitability.

FAQs

  1. When is ACEPHEN expected to receive regulatory approval?
    Pending completion of Phase III trials, approval is projected between late 2023 and mid-2024 in key markets.

  2. What are the primary competitors of ACEPHEN?
    Established drugs like acetaminophen, NSAIDs such as ibuprofen and naproxen, and opioids form the primary competition.

  3. How does ACEPHEN differentiate from existing analgesics?
    It offers a combination formulation with an improved safety profile, particularly reduced risk of liver toxicity and gastrointestinal issues.

  4. What is the main financial risk for ACEPHEN's market success?
    Regulatory rejection, market resistance, or rapid generic competition after patent expiry.

  5. What markets present the greatest opportunity for ACEPHEN?
    North America and Europe, due to high analgesic consumption and healthcare infrastructure, alongside emerging markets experiencing rising chronic pain prevalence.


References

[1] MarketsandMarkets. (2022). Chronic pain management market size and forecast.
[2] U.S. Food and Drug Administration. (2022). Drug approval process overview.
[3] GlobalData. (2022). Pain management therapeutic area report.
[4] Statista. (2021). Global analgesics market size.
[5] Company filings and clinical trial databases.

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