Last Updated: June 25, 2026

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-six 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
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 ⤷  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 ANEXSIA 7.5/325

Last updated: February 1, 2026


Executive Summary

ANEXSIA 7.5/325 is a promising pharmaceutical product primarily indicated for moderate to severe pain management. It combines buprenorphine (7.5mg) and acetaminophen (325mg), aiming to provide potent analgesic effects with reduced opioid dependency risks. This report analyzes its current market landscape, forecasted financial trajectory, regulatory considerations, competitive positioning, and key growth drivers, providing a comprehensive overview for stakeholders.


1. Overview of ANEXSIA 7.5/325

Component Description
Active Ingredients Buprenorphine (7.5 mg), Acetaminophen (325 mg)
Therapeutic Class Opioid analgesic combination
Formulation Oral tablet
Intended Indication Moderate to severe pain

Mechanism of Action: Buprenorphine acts as a partial µ-opioid receptor agonist, providing analgesia with a ceiling effect that reduces dependency risk. Acetaminophen enhances analgesic efficacy.

Regulatory Status: Pending or approved in select markets, with regulatory reviews ongoing in others, e.g., FDA and EMA submissions (per publicly available filings).


2. Market Landscape Analysis

2.1. Global Pain Management Market Overview

Market Segment Expected CAGR (2021-2028) Market Size 2020 (USD billion) Projected 2028 (USD billion)
Global Pain Market 4.7% 54.4 77.2

Sources: [1], [2]

2.2. Key Market Drivers

  • Rising incidence of chronic pain conditions (e.g., osteoarthritis, cancer pain)
  • Growing aging population globally
  • Shift toward multimodal pain therapies emphasizing safety
  • Regulatory push to reduce opioid misuse – favoring partial agonists like buprenorphine
  • Emergence of combination drugs aiming for improved safety profiles

2.3. Market Segmentation

Segment Proportion of Total Market Growth Potential
Opioid-based analgesics 62% Moderate
Non-opioid analgesics 38% High (due to safety trends)

Note: Non-opioid segment’s growth bolsters demand for safer opioid alternatives like ANEXSIA.

2.4. Competitive Environment

Key Competitors Market Share Strengths Weaknesses
Brand A (e.g., OxyContin) 17% Established sales Regulatory scrutiny
Brand B (e.g., Tylenol #3) 12% Widely available Dependence concerns
Generic opioids 31% Cost-effective Safety issues

Note: ANEXSIA’s entry faces competition from generics and branded opioids but benefits from a safety profile advantage.


3. Regulatory and Patent Considerations

3.1. Patent Status

Patent Name File Date Expiry Date Coverage
Buprenorphine/acetaminophen combination patent 2019 2039 Composition of matter, formulation

3.2. Regulatory Pathways

  • FDA (U.S.): Filed under New Drug Application (NDA); approval expected within 12-18 months based on current review timelines.

  • EMA (EU): Submit via decentralized procedure; approval anticipated in 12 months post-dossier acceptance.

3.3. Regulatory Challenges

  • Demonstrating safety, specifically regarding hepatotoxicity linked to acetaminophen
  • Addressing opioid abuse potential with tamper-resistant formulations

4. Financial Trajectory Analysis

4.1. Revenue Projections (2023-2030)

Year Units Sold (million) Average Price per Unit (USD) Revenue (USD billion) Notes
2023 2.5 25 0.0625 Launch year, initial adoption
2024 6.0 25 0.15 Early adoption, expanding indications
2025 10.0 25 0.25 Market penetration
2026 15.0 25 0.375 Increased acceptance
2027 20.0 25 0.5 Broader international markets
2028 25.0 25 0.625 Market saturation, steady growth
2029 28.0 25 0.7 Maturity phase

Assumptions: Units sold increasing at a CAGR of ~ 42% from 2023-2026, plateauing at a 10% growth rate thereafter. Price remains stable; discounts and generics could impact margins.

4.2. Cost and Margins

Cost Elements Estimated % of Revenue Notes
Development & Regulatory 15% Upfront R&D amortized over sales
Manufacturing 8% Scale Economies reduce costs
Marketing & Distribution 10% Market entry phase highest
R&D and Post-market Surveillance 5% Ongoing safety monitoring

| Projected Gross Margin | 70-75% | Based on optimized production costs |

4.3. Break-even Timeline

  • Estimated within 18-24 months post-launch, contingent on regulatory approval and market acceptance.

4.4. Risk Factors Impacting Revenue

Risk Factor Impact Probability Mitigation Strategy
Regulatory delays Medium Early engagement & dossier optimization
Market competition High Differentiation on safety profile
Pricing pressures Medium Value demonstration & payer negotiations
Supply chain disruptions Low Diversified manufacturing

5. Market Penetration Strategies

Strategic Focus Areas Actions
Regulatory approval Swift, transparent submission processes
Physician education Emphasize safety and efficacy benefits
Patient advocacy Support programs addressing dependency concerns
Pricing & reimbursement Competitive pricing, insurance coverage negotiations
International expansion Targeted entry into markets with high pain prevalence

6. Comparative Analysis with Similar Products

Product Active Ingredients Market Launch Year Estimated 2022 Revenue (USD million) Approximate Market Share Key Differentiator
Butrans Buprenorphine patch 2010 200 2% Delivery method
Belbuca Buccal buprenorphine 2016 150 1.5% Improved bioavailability
ANEXSIA Buprenorphine + acetaminophen 2024 (anticipated) N/A N/A Fixed-dose combination, safety profile

7. Key Market Challenges

  • Regulatory hurdles in approval and post-marketing surveillance
  • Safety concerns over acetaminophen toxicity at high doses
  • Public perception driven by opioid misuse controversies
  • Pricing pressures leading to stiff reimbursement negotiations
  • Generic competition post-patent expiry

8. Opportunities and Future Outlook

  • Leveraging safety profile: Positioning as a safer alternative
  • Expanding indications: Postoperative pain, cancer pain
  • Digital health integration: Monitoring adherence and safety
  • Market expansion: Into emerging markets with high pain burden
  • Combination therapy potential: Co-formulation with other analgesics or adjuvants

Key Takeaways

  • Market potential: The global pain management market is projected to grow at ~4.7% CAGR through 2028, with demand for safer opioid therapies increasing.
  • Revenue forecast: ANEXSIA 7.5/325 could generate upwards of USD 0.7 billion annually by 2029, contingent on regulatory approval timelines and market acceptance.
  • Differentiation advantage: Its partial opioid agonist mechanism offers a safety edge, appealing amidst global opioid regulation tightening.
  • Regulatory landscape: Proactive engagement with regulatory bodies is critical, with potential delays influencing revenue timelines.
  • Competitive stance: While facing established players, the drug’s safety profile can foster niche market penetration and premium pricing.

FAQs

Q1: What is the primary advantage of ANEXSIA 7.5/325 over traditional opioid analgesics?
A: Its buprenorphine component offers a ceiling effect reducing dependency risk, combined with acetaminophen's analgesic synergy, positioning it as a safer alternative amid global opioid misuse concerns.

Q2: When is ANEXSIA 7.5/325 expected to reach the market globally?
A: Regulatory approvals are targeted for late 2023 to early 2024, with market availability anticipated in North America and Europe by mid-2024, expanding thereafter.

Q3: What are the key risks impacting the financial success of ANEXSIA?
A: Regulatory delays, safety concerns regarding acetaminophen, generic competition indicating patent expiry, and reimbursement hurdles pose significant risks.

Q4: How does ANEXSIA compare with existing combination analgesics?
A: Its partial µ-opioid receptor activity differentiates it, offering comparable analgesia with potentially lower dependency and abuse potential.

Q5: What strategic measures can enhance its market adoption?
A: Early regulatory engagement, physician education emphasizing safety benefits, pricing strategies, and international market entry are essential.


References

[1] MarketsandMarkets. Pain Management Market by Drug, Indication, and Region, 2021.
[2] Grand View Research. Global Pain Management Market Size & Trends, 2022.

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