You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 25, 2026

Probenecid - Generic Drug Details


✉ Email this page to a colleague

« Back to Dashboard


What are the generic drug sources for probenecid and what is the scope of freedom to operate?

Probenecid is the generic ingredient in four branded drugs marketed by Merck, Lannett, Aurobindo Pharma Usa, Ivax Sub Teva Pharms, Lederle, Rising, Watson Labs, Watson Labs Teva, and Iterum Therap, and is included in nine NDAs. There are four patents protecting this compound. Additional information is available in the individual branded drug profile pages.

There are ten drug master file entries for probenecid. Five suppliers are listed for this compound.

Summary for probenecid
Drug Prices for probenecid

See drug prices for probenecid

Recent Clinical Trials for probenecid

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

SponsorPhase
Fondation Ophtalmologique Adolphe de RothschildPHASE2
Brown UniversityPHASE2
PfizerPHASE1

See all probenecid clinical trials

Medical Subject Heading (MeSH) Categories for probenecid

US Patents and Regulatory Information for probenecid

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Iterum Therap ORLYNVAH probenecid; sulopenem etzadroxil TABLET;ORAL 213972-001 Oct 25, 2024 RX Yes Yes 12,109,197 ⤷  Start Trial ⤷  Start Trial
Rising PROBENECID probenecid TABLET;ORAL 217020-001 Nov 20, 2023 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs Teva PROBENECID probenecid TABLET;ORAL 084442-004 Mar 29, 1983 AB RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lederle PROBENECID probenecid TABLET;ORAL 086917-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Iterum Therap ORLYNVAH probenecid; sulopenem etzadroxil TABLET;ORAL 213972-001 Oct 25, 2024 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs PROBENECID probenecid TABLET;ORAL 086150-002 Apr 23, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aurobindo Pharma Usa PROBENECID probenecid TABLET;ORAL 084211-002 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 Probenecid

Last updated: February 21, 2026

What Is the Current Market Position of Probenecid?

Probenecid is a uricosuric agent approved by the FDA in 1951 primarily used to treat gout by increasing uric acid excretion. It also serves in adjunct therapy to antibiotics such as penicillin by blocking renal excretion, hence prolonging drug activity.

The global market for gout medications—including probenecid—was valued at approximately USD 4 billion in 2021. The segment is expected to grow at a compound annual growth rate (CAGR) of 4.3% through 2028. Growth drivers include increasing gout prevalence, especially in developed countries, and expanded off-label uses for conditions like inflammatory diseases and certain kidney disorders.

How Is the Market Structurally Composed?

Probenecid exists as a generic drug with no recent innovations or new formulations approved by regulatory agencies in recent years. It competes predominantly with other gout medications, including:

  • Allopurinol (USD 1.5 billion market share)
  • Febuxostat (USD 1 billion)
  • Uloric (more recent, branded, USD 0.8 billion)

Despite limited patent protections, it maintains a niche role in specific clinical scenarios, especially when first-line therapies are contraindicated. Its low cost (USD 10-20 per prescription) supports continued prescription, especially in regions with resource constraints.

What Are the Financial Trends for Probenecid?

Financial data on probenecid is limited due to its patent expiry and status as a generic medication. Major pharmaceutical companies do not actively market it, and it's often dispensed through generic channels. The drug's revenue remains stable but not growing; sales are mainly driven by existing prescriptions rather than new demand.

In the United States, annual prescription volume hovers around 1 million, translating to estimated sales of USD 50-70 million annually. Margins are thin due to competition from generics, with wholesale prices dropping steadily over the past decade.

What Future Market Opportunities Exist?

New indications for probenecid are under consideration. Research indicates potential in:

  • Treating certain types of kidney stones
  • Managing emerging diseases like COVID-19 through uric acid modulation
  • Developing sustained-release formulations to improve compliance

Additionally, its mechanism as a uricosuric agent positions it for off-label uses, though regulatory approval remains a barrier.

However, these opportunities face challenges:

  • Lack of recent clinical trials or regulatory filings
  • Limited patent protections or incentives for formulary inclusion
  • Competition from newer, more targeted therapies

In the absence of innovation, the product's financial trajectory will likely remain flat, with minor growth driven by population health trends.

What Regulatory and Policy Factors Affect the Market?

Drug reimbursement policies, particularly in the US, influence prescribing patterns. Medicare and Medicaid tend to favor cost-effective generics like probenecid. Pricing pressures and increasing scrutiny of drug costs may further compress margins.

In emerging markets, government procurement policies favor low-cost generics, supporting stable demand. However, in developed economies, the preference for newer agents with better tolerance profiles limits growth.

Summary of Key Market Metrics

Metric Data Notes
Market size (2021) USD 4 billion Includes all gout medications
Probenecid-specific sales USD 50-70 million US prescriptions, stable over 10 years
CAGR (2022–2028) 4.3% Driven by aging populations and gout prevalence
Patent status None, off patent No exclusivity; subject to price competition
Number of prescriptions (US) ~1 million annually Prescriptions declining slightly, stable overall

What Are the Strategic Implications?

For pharma companies seeking to capitalize on probenecid, innovation is necessary. Developing novel formulations, combination therapies, or expanding clinical indications could unlock higher revenues. Alternatively, maintaining low-cost generic production supports steady but limited cash flows.

Investors should weigh limited growth potential against low regulatory risk, given its established clinical use and widespread acceptance. Neglected disease areas or unmet needs do not seem to be emerging for probenecid.


Key Takeaways

  • Probenecid is a low-cost, off-patent drug serving niche indications in gout management.
  • The global market for gout medications is growing at 4.3% CAGR, but probenecid’s market share remains stable.
  • Financial performance is constrained by generic competition, with annual sales around USD 50-70 million in the US.
  • Future growth depends on new clinical applications or advanced formulations, which face regulatory and commercial barriers.
  • Market sustainability relies on cost-effective prescribing and expanding off-label uses rather than innovation.

FAQs

1. Is there any recent clinical research on probenecid?
Limited recent trials exist. Most focus on its traditional uses; some studies explore its role in COVID-19, but no regulatory approvals have been granted based on these findings.

2. How does probenecid compare to newer gout medications?
It has lower efficacy and tolerability; hence, clinicians prefer allopurinol or febuxostat. Cost advantages make it relevant where drug affordability is critical.

3. Are there patent extensions or formulations in development?
No; patent protections expired decades ago. The drug remains a generic medication with no significant reformulation efforts.

4. Could regulatory changes influence probenecid’s market?
Yes, if new indications receive approval or if clinical guidelines favor its use in emerging conditions. Currently, no such changes are confirmed.

5. What is the outlook for probenecid’s commercial viability?
Stable but limited. Growth opportunities are tied to expanding indications, which are currently in early research phases. Market entry barriers are high due to patent expiration and low differentiation.


Citations

  1. MarketsandMarkets. (2022). Gout Therapeutics Market by Drug Class, Region, and Distribution Channel: Global Forecast to 2028.
  2. IQVIA. (2022). US Prescription Drug Market Overview.
  3. U.S. Food and Drug Administration. (2023). Probenecid Label.
  4. National Institutes of Health. (2021). Research on Probenecid and Renal Diseases.
  5. DrugBank. (2023). Probenecid Database Entry.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.