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Last Updated: January 4, 2025

BENEMID Drug Patent Profile


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

Benemid is a drug marketed by Merck and is included in one NDA.

The generic ingredient in BENEMID is probenecid. There are ten drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the probenecid profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Benemid

A generic version of BENEMID was approved as probenecid by WATSON LABS TEVA on March 29th, 1983.

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Summary for BENEMID
Drug patent expirations by year for BENEMID
Recent Clinical Trials for BENEMID

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

SponsorPhase
University of CalgaryPhase 2/Phase 3
National Institute of Allergy and Infectious Diseases (NIAID)Phase 2

See all BENEMID clinical trials

US Patents and Regulatory Information for BENEMID

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Merck BENEMID probenecid TABLET;ORAL 007898-004 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Subscribe ⤷  Subscribe ⤷  Subscribe
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

BENEMID Market Analysis and Financial Projection

Market Dynamics and Financial Trajectory of Colchicine (Benemid): A Comprehensive Analysis

Introduction

Colchicine, commonly known by the brand name Benemid, is a medication widely used to treat gout, a form of inflammatory arthritis. The market dynamics and financial trajectory of colchicine have been significantly influenced by several key events, particularly the large price increase in 2010. Here, we delve into the implications of this price hike and other factors affecting the drug's market and financial performance.

The 2010 Price Increase: A Turning Point

In 2010, the US Food and Drug Administration (FDA) discontinued lower-priced versions of colchicine, leading to a sharp increase in the drug's price. This event marked a significant turning point in the market dynamics of colchicine.

Price Increase and Its Impact

The price per colchicine prescription increased by 15.9-fold, from $11.25 in 2009 to $190.49 in 2011. Similarly, the out-of-pocket price for patients rose by 4.4-fold, from $7.37 to $39.49 during the same period[1].

Reduction in Colchicine Use

The substantial price increase led to a sustained decrease in colchicine use. A cohort study analyzing data from 2007 through 2019 found that colchicine use declined from 35.0 pills per patient in 2009 to 22.6 pills per patient in 2019, representing a 27.0% reduction over the decade[1].

Increased Use of Alternative Medications

As colchicine became more expensive, there was a notable increase in the use of other medications for gout. Allopurinol, another common treatment for gout, saw its use rise by 7.8 pills per patient in the first year after the price increase and by 33.1 pills per patient over the decade. This represents a 32.0% increase from the baseline[1].

Impact on Healthcare Utilization

The price increase also led to increased clinical encounters for gout. There was a rise in emergency department and rheumatology visits, indicating poorer disease control among patients[1].

Financial Implications

Revenue and Profit Margins

Despite the decrease in usage, the sharp price increase significantly boosted the revenue generated from colchicine sales. However, this increase came at the cost of reduced patient adherence and potentially poorer health outcomes.

Market Share and Competition

The high price of colchicine opened up market opportunities for other gout treatments. Allopurinol and oral corticosteroids gained market share as patients and healthcare providers sought more affordable alternatives[1].

Broader Market Trends

Specialty vs. Traditional Drugs

The pharmaceutical market is increasingly dominated by specialty drugs, which include treatments for conditions like autoimmune diseases and cancer. While traditional drugs like colchicine face price pressures and declining usage, specialty drugs continue to drive spending growth. This trend is driven by higher utilization and newer therapies, despite the absence of biosimilar savings for many specialty drugs until recent years[2].

Payer and Pharmacy Benefit Manager (PBM) Dynamics

PBMs play a crucial role in managing drug costs through formulary designs, utilization management, and negotiating rebates. The vertical integration of PBMs with insurers has led to more holistic drug spending management approaches. For traditional drugs like colchicine, PBMs often opt for generics to manage costs, but this strategy is less effective for specialty drugs where biosimilars are not yet widely available[2].

Demand and Margin Pressures

The pharmaceutical industry faces significant demand and margin pressures. Payer restrictions, higher patient cost-sharing, and increased rebate pressures have eroded demand efficiency and reduced margins for many drugs. These factors have led to industry volatility, with manufacturers often needing to restructure and make strategic decisions to maintain profitability[3].

Regulatory Environment

FDA Approval Processes

The FDA's approval processes have been criticized for favoring industry interests over public health. Expedited approvals, especially for rare diseases or neglected populations, can result in significant financial benefits for manufacturers but may also lead to the market entry of drugs with unproven or risky profiles[4].

Patient and Payer Perspectives

Access and Affordability

The high price of colchicine has made it less accessible to patients, leading to reduced adherence and potentially worse health outcomes. Patients and payers are increasingly pushing for more affordable options, including generics and biosimilars, to manage healthcare costs[1][3].

Telemedicine and Healthcare Disruption

The COVID-19 pandemic has accelerated the use of telemedicine, which can impact patient access to medications and healthcare services. Economic rationalization and patient care disruptions have further complicated the landscape, emphasizing the need for flexible and cost-effective treatment strategies[3].

Key Takeaways

  • The 2010 price increase for colchicine led to a sustained decrease in its use and an increase in the use of alternative gout treatments.
  • The high price of colchicine has driven up healthcare utilization costs due to poorer disease control.
  • Specialty drugs continue to dominate the pharmaceutical market, driving spending growth despite the absence of biosimilar savings.
  • PBMs and payers are increasingly focusing on cost management through formulary designs and rebate negotiations.
  • The pharmaceutical industry faces significant demand and margin pressures, necessitating strategic adjustments to maintain profitability.
  • Regulatory environments, including FDA approval processes, play a critical role in shaping the market dynamics of drugs like colchicine.

FAQs

What was the impact of the 2010 price increase on colchicine use?

The price increase led to a 27.0% reduction in colchicine use over the decade, with patients using fewer pills per year.

How did the price increase affect the use of other gout medications?

The use of allopurinol and oral corticosteroids increased significantly as patients and healthcare providers sought more affordable alternatives to colchicine.

What role do PBMs play in managing drug costs?

PBMs manage drug costs through formulary designs, utilization management, and negotiating rebates, often opting for generics to reduce costs for traditional drugs.

How has the regulatory environment influenced the market for colchicine?

The FDA's approval processes, including expedited approvals, have been criticized for favoring industry interests, which can impact the market entry and pricing of drugs like colchicine.

What are the broader market trends affecting traditional drugs like colchicine?

Traditional drug spending is declining due to high generic dispensing rates and cost management strategies by PBMs, while specialty drugs continue to drive spending growth.

Sources

  1. Ly DP, Giuriato MA, Song Z. Changes in Prescription Drug and Health Care Use Over 9 Years After the Large Drug Price Increase for Colchicine. JAMA Intern Med. 2023;183(7):670–676. doi:10.1001/jamainternmed.2023.0898
  2. Clarivate. A Look at PBM Drug Spending: Trend Fueled by Specialty Drug Growth. August 14, 2019.
  3. IQVIA. Battling the Big Squeeze.
  4. ProPublica. FDA Repays Industry by Rushing Risky Drugs to Market. June 26, 2018.

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