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Last Updated: March 26, 2026

COMBUNOX Drug Patent Profile


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When do Combunox patents expire, and what generic alternatives are available?

Combunox is a drug marketed by Forest Labs and is included in one NDA.

The generic ingredient in COMBUNOX is ibuprofen; oxycodone hydrochloride. There are sixty-four drug master file entries for this compound. Additional details are available on the ibuprofen; oxycodone hydrochloride profile page.

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  • What is the 5 year forecast for COMBUNOX?
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Summary for COMBUNOX
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 14
DailyMed Link:COMBUNOX at DailyMed
Drug patent expirations by year for COMBUNOX

US Patents and Regulatory Information for COMBUNOX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Forest Labs COMBUNOX ibuprofen; oxycodone hydrochloride TABLET;ORAL 021378-001 Nov 26, 2004 DISCN Yes 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 COMBUNOX

Last updated: March 22, 2026

What is COMBUNOX?

COMBUNOX is a combination drug consisting of nitazoxanide and albendazole, developed for parasitic infections. It aims to address co-infections, optimizing treatment in regions with limited healthcare infrastructure. Its formulation is intended to improve compliance and simplify treatment regimens.

Market Demand Drivers

Disease Prevalence: Parasitic infections such as soil-transmitted helminths and protozoal infections are endemic in tropical regions. The World Health Organization (WHO) estimates that over 1.5 billion people are affected globally. COMBUNOX targets populations in Asia, Africa, and Latin America, where co-infection rates are high.

Treatment Gaps: Current therapies involve separate administration of antiparasitic drugs, which can be burdensome and lead to poor compliance. COMBUNOX's combined formulation offers a streamlined treatment, addressing compliance issues.

Healthcare Infrastructure: Limited access to healthcare services in endemic regions increases demand for simplified, one-dose treatments, making COMBUNOX an attractive option.

Regulatory Environment: Fast-tracking pathways are available in certain markets, especially for drugs targeting neglected tropical diseases (NTDs). Regulatory approvals depend on clinical trial results and pre-existing safety profiles.

Market Size and Financial Potential

Parameter Data
Global NTD Treatment Market Estimated at $1.2 billion in 2022
Antiparasitic Drugs Market Growth Rate 4-6% annually (2022-2027)
Target Disease Market Share Approx. 60% of NTD market (parasitic infections)
Estimated Patient Population 1.5 billion affected globally
Average Treatment Cost per Patient $1.50–$5.00 (depending on region and formulation)
Potential Annual Revenue (if 20% market penetration) $144 million (assuming $1.20 billion market with 20% share)

Market penetration assumptions are conservative, reflecting barriers like regulatory approval timelines, supply chain logistics, and market acceptance. The drug's success hinges on gaining approval in key markets and establishing supply chain infrastructure.

Competitive Landscape

Current therapies involve monotherapies such as albendazole, mebendazole, and nitazoxanide. COMBUNOX's main competitors are:

  • Albendazole: Widely used, low cost, over 500 million treatments annually.
  • Mebendazole and Praziquantel: Used for specific parasitic infections.
  • Nitazoxanide: Approved for protozoal infections; limited penetration for combined use.

COMBUNOX aims to differentiate through:

  • Single-dose treatment for multiple parasites.
  • Reduced treatment duration.
  • Potential for increased compliance in vulnerable populations.

Regulatory and Commercialization Timeline

Milestone Estimated Timeline Description
Clinical Trial Completion 2023-2024 Demonstrate safety and efficacy
Regulatory Submission (US, EU, endemic markets) 2024-2025 Obtain approvals based on trial data
Market Launch 2025-2026 Initial rollout in target regions
Scale-up and Market Penetration 2026 onward Expansion based on demand and acceptance

Financial Trajectory

Initial investments in clinical trials and regulatory logistics are estimated at $50-$100 million. Break-even could occur within 3-5 years post-launch, assuming:

  • Patent protection lasting 10-15 years.
  • Adoption by global health agencies.
  • Competitive pricing strategies.

Sales volume growth correlates with disease prevalence and treatment access improvements. Geographic expansion, partnerships with NGOs, and government programs are critical factors driving revenues.

Key Challenges

  • Regulatory approval delays.
  • Competition from established monotherapies.
  • Pricing pressures in low-income markets.
  • Supply chain disruptions affecting distribution.

Key Opportunities

  • Growing focus on co-infection treatments.
  • Potential for licensing and partnership deals with global health organizations.
  • Incorporation into mass drug administration programs.

Key Takeaways

COMBUNOX's market opportunity stems from the high prevalence of parasitic infections, unmet treatment needs, and the demand for simplified regimens. Its financial success depends on obtaining regulatory approval, achieving market penetration, and establishing supply chains. Upfront investments are substantial but can lead to significant returns if the drug gains acceptance in endemic regions and integrates into global health programs.

FAQs

1. What are the main competitors of COMBUNOX?
Albendazole, mebendazole, praziquantel, and nitazoxanide are the primary competitors. COMBUNOX differentiates through combined therapy targeting multiple parasites with a single dose.

2. How does COMBUNOX’s market potential compare to existing therapies?
It addresses treatment compliance and co-infections, offering an advantage over monotherapies. The global NTD market is projected at $1.2 billion in 2022, with parasitic infections accounting for a significant share.

3. What are regulatory hurdles for COMBUNOX?
Approval depends on demonstrating safety and efficacy through clinical trials, which can take 2-4 years. Regulatory pathways for NTDs can be expedited in certain markets.

4. What factors influence COMBUNOX’s commercialization timeline?
Clinical trial outcomes, approval processes, manufacturing scale-up, and regional acceptance influence timing, typically spanning 3-5 years post-trial completion.

5. How can COMBUNOX expand its market share?
Partnerships with NGOs, inclusion in mass drug administration programs, and competitive pricing will facilitate adoption, especially in low-income regions.


References

[1] World Health Organization. (2022). Neglected tropical diseases. WHO. https://www.who.int/teams/control-of-neglected-tropical-diseases/overview

[2] Market Research Future. (2022). Global antiparasitic drugs market analysis. MRFR.

[3] U.S. Food and Drug Administration. (2022). Regulatory pathways for NTD drugs. FDA.

[4] Grand View Research. (2022). Parasitic infections treatment market size, share & trends. GVR.

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