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Last Updated: April 7, 2025

REVEX Drug Patent Profile


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Which patents cover Revex, and when can generic versions of Revex launch?

Revex is a drug marketed by Hikma and is included in one NDA.

The generic ingredient in REVEX is nalmefene hydrochloride. There are four drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the nalmefene hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Revex

A generic version of REVEX was approved as nalmefene hydrochloride by PURDUE PHARMA LP on February 8th, 2022.

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Summary for REVEX
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 41
Patent Applications: 5,265
DailyMed Link:REVEX at DailyMed
Drug patent expirations by year for REVEX

US Patents and Regulatory Information for REVEX

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Exclusivity Expiration
Hikma REVEX nalmefene hydrochloride SOLUTION;INTRAMUSCULAR, INTRAVENOUS, SUBCUTANEOUS 020459-001 Apr 17, 1995 DISCN Yes No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Hikma REVEX nalmefene hydrochloride SOLUTION;INTRAMUSCULAR, INTRAVENOUS, SUBCUTANEOUS 020459-002 Apr 17, 1995 DISCN Yes No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
>Applicant>Tradename>Generic Name>Dosage>NDA>Approval Date>TE>Type>RLD>RS>Patent No.>Patent Expiration>Product>Substance>Delist Req.>Exclusivity Expiration
Showing 1 to 2 of 2 entries

Market Dynamics and Financial Trajectory for REVEX (Nalmefene Hydrochloride Injection)

Overview of REVEX

REVEX, or nalmefene hydrochloride injection, is an opioid antagonist used for the complete or partial reversal of opioid drug effects, including respiratory depression, and in the management of known or suspected opioid overdose. Here’s a detailed look at the market dynamics and financial trajectory for this drug.

Market Context

Opioid Reversal Market

The opioid reversal market has seen significant attention due to the increasing need for naloxone and other opioid antagonists to combat the opioid epidemic. While naloxone is the most commonly used opioid antagonist, other products like REVEX and newer formulations are gaining traction[4].

Market Size and Growth

Global Opioids Market

The global opioids market, which includes opioid antagonists, is projected to grow from $22.74 billion in 2023 to $26.78 billion by 2034, with a CAGR of 1.5% from 2024 to 2034. This growth is driven by the increasing need for effective pain management and opioid overdose reversal solutions[1].

Segmentation and Distribution

By Application

REVEX falls under the category of opioid antagonists used for reversing opioid overdose and managing postoperative opioid depression. The pain relief and anesthesia segments, which are part of the broader opioids market, are significant, but the specific segment for opioid antagonists is growing due to the opioid crisis[1].

By Distribution Channel

The distribution of opioid antagonists like REVEX is primarily through hospital pharmacies and retail pharmacies. Retail pharmacies, in particular, have a significant market share, but there is a growing need for controlled distribution channels due to the sensitive nature of these medications[1].

Financial Trajectory

Pricing and Revenue

The financial trajectory of REVEX is influenced by several factors, including pricing pressures and regulatory changes. The Inflation Reduction Act has led to stabilized price increases across the pharmaceutical industry, with annual net price increases at or below the rate of inflation since 2017. This means that manufacturers must strategize to maintain revenue through other means, such as increasing evidence generation and demonstrating value through Health Economic Outcomes Research (HEOR) and Real World Evidence (RWE)[3].

Cost and Revenue Dynamics

The cost of goods and the cost to deliver the service are critical factors in the financial sustainability of opioid antagonists. Health systems must consider these costs when making formulary decisions, including post-implementation monitoring and revenue cycle management. The shift towards value-based care and the need for integrated formulary management tools within electronic health records (EHRs) also impact the financial dynamics[2].

Market Drivers and Challenges

Drivers

  • Increasing Need for Opioid Reversal: The opioid epidemic has driven the demand for effective opioid antagonists, making REVEX and similar products crucial in healthcare settings.
  • Regulatory Support: FDA approvals for new formulations and dosages, such as high-dose naloxone products, indicate regulatory support for innovative solutions in this space[4].

Challenges

  • Pricing Pressures: The stabilization of price increases and the need to launch products at higher prices to account for future discounts pose significant challenges.
  • Distribution and Access: Ensuring safe and responsible distribution practices, especially in retail pharmacies, is a continuous challenge due to the potential for misuse and the need for controlled access[1][3].

Competitive Landscape

New Formulations and Competitors

The market for opioid antagonists is evolving with new, more potent formulations. For example, high-dose naloxone nasal sprays and injectable formulations have been approved, and other opioid antagonists like nalmefene (Opvee) are entering the market. These new products may compete with REVEX for market share, but they also highlight the growing importance of this therapeutic area[4].

Key Takeaways

  • Growing Demand: The opioid reversal market is driven by the increasing need to combat the opioid epidemic.
  • Pricing and Revenue: Manufacturers face pricing pressures and must focus on demonstrating value and generating evidence to maintain revenue.
  • Distribution and Access: Controlled distribution channels and safe access practices are critical for opioid antagonists.
  • Competitive Landscape: New formulations and competitors are entering the market, highlighting the importance of innovation and regulatory support.

FAQs

What is REVEX used for?

REVEX (nalmefene hydrochloride injection) is used for the complete or partial reversal of opioid drug effects, including respiratory depression, and in the management of known or suspected opioid overdose.

How does the opioid reversal market impact REVEX?

The growing need for opioid reversal solutions due to the opioid epidemic drives the demand for products like REVEX, contributing to its market growth.

What are the key challenges facing REVEX in the market?

Key challenges include pricing pressures, ensuring safe and responsible distribution practices, and competition from new formulations and competitors.

How does regulatory support influence the market for REVEX?

Regulatory support, such as FDA approvals for new formulations, helps drive innovation and demand for opioid antagonists like REVEX.

What role do retail pharmacies play in the distribution of REVEX?

Retail pharmacies play a significant role in the distribution of opioid antagonists, but they must navigate challenges related to controlled access and safe dispensing practices.

Sources

  1. Biospace: "Opioids Market Size to Worth Around USD 26.78 Billion by 2034"[1]
  2. ASHP: "Strategic Directions in System Formulary, Drug Policy, and High-Cost Drugs Whitepaper"[2]
  3. IQVIA: "Top 10 U.S. Market Access Trends for 2024"[3]
  4. Network for Public Health Law: "Changing State Policy to Promote Stronger Opioid Antagonists"[4]
  5. FDA: "Revex (nalmefene hydrochloride injection) Label"[5]

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