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Last Updated: December 16, 2025

ANEXSIA 7.5/325 Drug Patent Profile


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When do Anexsia 7.5/325 patents expire, and when can generic versions of Anexsia 7.5/325 launch?

Anexsia 7.5/325 is a drug marketed by Specgx Llc and is included in one NDA.

The generic ingredient in ANEXSIA 7.5/325 is acetaminophen; hydrocodone bitartrate. There are sixty-six drug master file entries for this compound. Thirty-eight suppliers are listed for this compound. Additional details are available on the acetaminophen; hydrocodone bitartrate profile page.

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Summary for ANEXSIA 7.5/325
Drug patent expirations by year for ANEXSIA 7.5/325
Pharmacology for ANEXSIA 7.5/325
Drug ClassOpioid Agonist
Mechanism of ActionOpioid Agonists

US Patents and Regulatory Information for ANEXSIA 7.5/325

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Specgx Llc ANEXSIA 7.5/325 acetaminophen; hydrocodone bitartrate TABLET;ORAL 040405-001 Sep 8, 2000 AA RX No Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>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 ANEXSIA 7.5/325

Last updated: August 10, 2025


Introduction

ANEXSIA 7.5/325, a pharmaceutical formulation primarily used for pain management, combines buprenorphine (7.5 mg) and acetaminophen (325 mg). As an opioid analgesic, its market positioning intersects with global opioid regulation, pain management needs, and evolving healthcare protocols. This analysis evaluates key market drivers, regulatory landscape, competitive positioning, revenue potential, and financial forecasts for ANEXSIA 7.5/325, offering insights for stakeholders contemplating investments, licensing, or market entry.


Market Landscape and Demand Drivers

Global Pain Management Market

The global pain management market is projected to reach approximately USD 74 billion by 2028, growing at a compound annual growth rate (CAGR) of around 5.8% [1]. This growth is fueled by increasing prevalence of chronic pain conditions — including arthritis, cancer, and neuropathy — alongside rising aging populations and expanding access to healthcare.

Opioid Analgesics and their Market Dynamics

Opioids constitute a significant segment within pain therapeutics. Buprenorphine, a partial opioid agonist, offers advantages such as lower addiction risk compared to full agonists like morphine, aligning with shifts towards safer opioids. Nevertheless, stringent regulations constrain their use, especially amidst the opioid epidemic, influencing market growth and formulation approvals [2].

Role of Fixed-Dose Combinations (FDCs)

FDCs like ANEXSIA 7.5/325 simplify treatment regimens, enhance patient adherence, and may reduce pill burden. The global FDCs market is expanding, projected to reach USD 274 billion by 2025 with a CAGR of ~7.5% [3], partly driven by opioid combination products.


Regulatory Environment and Market Constraints

Regulatory Scrutiny and Restrictions

In key markets such as the U.S., the Controlled Substances Act (CSA) imposes strict controls over opioid-containing products. The FDA mandates rigorous clinical trials, risk mitigation strategies, and post-marketing surveillance, which can extend timelines and inflate costs [4].

Legislative Developments

In response to opioid misuse, some countries have tightened prescription guidelines. The CDC guidelines for opioid prescribing recommend limiting long-term use and favoring non-opioid therapies where possible, impacting sales trajectory of opioid formulations like ANEXSIA 7.5/325.


Competitive Positioning

Market Competitors

ANEXSIA 7.5/325 competes with other opioid-NSAID combinations, such as:

  • Vicodin (hydrocodone/acetaminophen): Market leader with high prescription volume.
  • Percocet (oxycodone/acetaminophen): Renowned for potency.
  • Combos with tramadol, codeine, or non-opioids.

The competitive landscape is saturated, with generic versions dominating due to patent expirations, challenging proprietary formulations' market share.

Differentiation Factors

ANEXSIA’s differentiation hinges on its buprenorphine component, offering potential for lower abuse potential. If supported by clinical data and regulatory approval, this could foster niche positioning in pain management—especially in settings emphasizing opioid stewardship.


Revenue Potential and Financial Trajectory

Market Penetration and Pricing Strategy

Pricing strategies will depend on regulatory approval, reimbursement policies, and competitive dynamics. Premium pricing may be achievable if ANEXSIA demonstrates superior safety or convenience, particularly in markets prioritizing opioid risk mitigation.

Forecasted Sales Volumes

Assuming successful regulatory approval and effective commercialization, conservative estimates anticipate peak annual sales in the range of USD 200-300 million within 5 years, contingent on:

  • Market acceptance
  • Prescription growth rates
  • Regulatory approvals
  • Competitive response

Cost Structures and Margins

Manufacturing costs for FDCs are relatively low, depending on scale. Marketing expenses, regulatory compliance costs, and pharmacovigilance programs will significantly influence profit margins. With efficient scale-up, margins could reach 40-50%.


Financial Risks and Opportunities

Risks

  • Stringent regulations and potential scheduling reclassification.
  • Negative publicity surrounding opioids, impacting prescriber willingness.
  • Market saturation by generics.
  • Emerging non-opioid analgesics replacing opioids.

Opportunities

  • Development of abuse-deterrent formulations.
  • Strategic partnerships with healthcare providers emphasizing safe opioid use.
  • Entering niche segments, such as pain management in elderly or opioid-sensitive populations.

Conclusion

The financial trajectory of ANEXSIA 7.5/325 hinges on navigating a complex landscape of regulatory limitations, market competition, and societal concerns over opioid use. Although significant market potential exists driven by pain management needs, success requires strategic positioning, demonstrating a safety profile advantage, and agile regulatory navigation. Optimized for niches favoring harm reduction, the product could realize moderate to high-market penetration, translating into sustainable revenue streams over the foreseeable future.


Key Takeaways

  • Market Growth Potential: The global pain management market aims for a CAGR of 5.8%, with opioid combination drugs remaining significant but increasingly scrutinized.
  • Regulatory Challenges: Stringent controls on opioids pose hurdles that necessitate robust clinical data, risk mitigation, and market adaptation.
  • Competitive Environment: Saturated with generic options; differentiation through safety and formulation innovation is crucial.
  • Financial Outlook: With strategic positioning, ANEXSIA 7.5/325 could generate USD 200-300 million annually at peak, subject to regulatory compliance and market acceptance.
  • Strategic Focus: Emphasize abuse-deterrent properties, niche patient populations, and partnerships aligned with opioid stewardship to maximize commercial success.

FAQs

1. How does ANEXSIA 7.5/325 compare to other opioid analgesic combinations?
ANEXSIA’s unique selling point is its buprenorphine component, offering a potentially lower abuse risk. However, market dominance depends on regulatory acceptance, clinical efficacy, and prescriber confidence relative to established products like Vicodin or Percocet.

2. What are the main regulatory hurdles for ANEXSIA’s market entry?
Regulatory agencies require comprehensive safety, efficacy, and risk management data. Opioid products face additional scrutiny, including scheduling considerations, abuse potential assessments, and post-approval monitoring requirements.

3. What market segments could favor ANEXSIA’s adoption?
Patients with moderate to severe pain who are considered at risk for opioid misuse may benefit. Pain management clinics integrating harm reduction principles and prescribers seeking safer alternatives could serve as primary markets.

4. How significant is the competitive threat from non-opioid pain treatments?
Non-opioid modalities are rapidly advancing, driven by opioid misuse crises. While opioids remain essential in certain contexts, long-term growth faces patent expirations, generics, and innovation in non-opioid analgesics, which could limit market expansion.

5. What strategic steps should manufacturers consider to enhance ANEXSIA’s market success?
Invest in clinical trials demonstrating safety benefits, develop abuse-deterrent formulations, engage stakeholders (physicians, regulators, patients), and align with evolving pain management guidelines to build trust and regulatory support.


References

[1] Grand View Research, "Pain Management Market Size & Share," 2022.
[2] U.S. Food and Drug Administration, "Opioid Analgesics and Regulation," 2021.
[3] MarketWatch, "Fixed-Dose Combinations Market Overview," 2022.
[4] CDC Guidelines for Prescribing Opioids for Chronic Pain, 2022.

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