IBUPROFEN SODIUM Drug Patent Profile

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

Ibuprofen Sodium is a drug marketed by Perrigo R And D and is included in one NDA.

The generic ingredient in IBUPROFEN SODIUM is ibuprofen sodium. There are sixty-four drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the ibuprofen sodium profile page.

Summary for IBUPROFEN SODIUM

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for IBUPROFEN SODIUM

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Perrigo R And D	IBUPROFEN SODIUM	ibuprofen sodium	TABLET;ORAL	206581-001	Aug 3, 2015		DISCN	No	No

Ibuprofen Sodium: Investment Case and Patent Landscape Analysis

Last updated: February 19, 2026

Ibuprofen sodium, a salt form of the widely used non-steroidal anti-inflammatory drug (NSAID), offers a distinct pharmacokinetic profile compared to its parent compound, ibuprofen. This analysis examines the investment potential and patent landscape surrounding ibuprofen sodium, focusing on its current market position, competitive environment, and intellectual property considerations.

What is Ibuprofen Sodium and its Market Position?

Ibuprofen sodium (CAS No. 4055-63-8) is the sodium salt of ibuprofen. Its primary differentiation lies in its enhanced solubility and faster absorption rate, leading to a quicker onset of analgesic and anti-inflammatory action. This characteristic positions it as a potentially superior option for acute pain relief where rapid symptom management is critical.

The global NSAID market is substantial, driven by the high prevalence of pain-related conditions such as arthritis, headaches, and post-operative pain. Ibuprofen, in its various forms, holds a significant share of this market. While ibuprofen sodium is not as widely adopted as immediate-release ibuprofen or ibuprofen lysine, its specific advantages cater to a segment of the market seeking faster relief.

Key market drivers for ibuprofen sodium include:

• Demand for rapid pain relief: Patients experiencing acute pain, such as migraines or sudden injuries, seek quick symptom alleviation. Ibuprofen sodium's faster absorption profile directly addresses this need.
• OTC accessibility: Like ibuprofen, ibuprofen sodium is largely available over-the-counter (OTC), contributing to its broad accessibility and market penetration.
• Established safety profile: As a derivative of a well-understood and extensively studied drug, ibuprofen sodium benefits from a recognized safety profile, reducing perceived risk for both consumers and healthcare providers.

However, the market also faces significant challenges:

• Intense competition: The NSAID market is highly saturated with generic and branded options, including other ibuprofen salts (e.g., ibuprofen lysine), naproxen, and aspirin.
• Price sensitivity: The OTC drug market is often price-sensitive, with consumers frequently opting for the lowest-cost effective option.
• Established user habits: Many consumers are accustomed to immediate-release ibuprofen and may not be aware of or perceive a compelling reason to switch to ibuprofen sodium.

What is the Competitive Landscape for Ibuprofen Sodium?

The competitive landscape for ibuprofen sodium is primarily defined by direct competition from other ibuprofen formulations and indirect competition from other NSAIDs and pain relievers.

Direct Competitors (Ibuprofen Formulations)

• Ibuprofen (Immediate-Release): This is the most common form and represents the largest competitive threat. Its widespread availability, low cost, and established efficacy make it the default choice for many consumers.
• Ibuprofen Lysine: This salt form also offers faster absorption than ibuprofen. It is often marketed for rapid pain relief, directly competing with ibuprofen sodium for a similar market niche.
• Ibuprofen (Sustained-Release): Formulations designed for longer-lasting relief compete in a different segment, targeting chronic pain management rather than acute pain.

Indirect Competitors (Other NSAIDs and Analgesics)

• Naproxen: Another widely available NSAID, naproxen offers a longer duration of action, positioning it as a competitor for both acute and chronic pain.
• Aspirin: A classic analgesic and anti-inflammatory, aspirin remains a strong competitor, particularly for headache and fever relief, and is known for its cardiovascular benefits in certain populations.
• Acetaminophen (Paracetamol): While not an NSAID and lacking anti-inflammatory properties, acetaminophen is a widely used analgesic and antipyretic. It is often recommended for patients who cannot tolerate NSAIDs.
• Combination Analgesics: Products combining acetaminophen or NSAIDs with caffeine or other agents compete for market share in specific pain categories.

The market share distribution within the NSAID segment is heavily influenced by brand recognition, marketing efforts, and pricing strategies. Ibuprofen sodium's competitive standing is directly tied to its ability to demonstrate clear advantages in speed of action and patient outcomes compared to these alternatives.

What is the Patent Landscape for Ibuprofen Sodium?

The original patent for ibuprofen expired decades ago. However, patents relevant to ibuprofen sodium typically focus on novel formulations, manufacturing processes, or specific therapeutic uses that enhance its efficacy, delivery, or patient experience.

Key Patenting Areas for Ibuprofen Sodium

1. Formulation Patents: These patents protect specific compositions of ibuprofen sodium that aim to improve stability, bioavailability, dissolution rates, or palatability. This can include:

   • Novel salt forms or co-crystals: While ibuprofen sodium is a known salt, research may focus on creating stable, crystalline forms with improved handling or manufacturing characteristics.
   • Excipient combinations: Patents can cover specific combinations of inactive ingredients (excipients) that facilitate rapid disintegration and dissolution in the gastrointestinal tract. For example, patents might describe specific ratios of disintegrants, binders, or solubilizers.
   • Dosage form patents: Novel dosage forms such as orally disintegrating tablets (ODTs), rapidly dissolving films, or effervescent formulations specifically utilizing ibuprofen sodium could be patented.

2. Manufacturing Process Patents: These patents cover innovative or more efficient methods for synthesizing ibuprofen sodium or incorporating it into final dosage forms. This can include:

   • Improved synthesis routes: Processes that yield higher purity, better yield, or are more environmentally friendly could be patented.
   • Crystallization techniques: Methods for controlling crystal morphology and particle size distribution, which can impact dissolution and stability.
   • Tableting or encapsulation technologies: Novel methods for producing tablets or capsules that ensure rapid release of the active ingredient.

3. Method of Treatment Patents: While less common for a well-established drug like ibuprofen, patents could be obtained for using ibuprofen sodium in specific treatment protocols or for particular patient populations where its rapid onset is particularly beneficial. This could include:

   • Treatment of specific pain types: Patents might claim the use of ibuprofen sodium for the rapid relief of conditions like migraine headaches, cluster headaches, or acute post-operative pain.
   • Combinations with other active ingredients: Patents might cover synergistic combinations of ibuprofen sodium with other drugs for enhanced pain management.

Analysis of Existing Patents and Patentability

A comprehensive patent search is crucial for any company seeking to develop or market ibuprofen sodium. Key databases to consult include:

• USPTO (United States Patent and Trademark Office)
• EPO (European Patent Office)
• WIPO (World Intellectual Property Organization)
• National patent offices of key markets (e.g., Japan, China, Canada).

Key findings from a general patent landscape overview typically reveal:

• Expiring Core Patents: Patents covering the basic chemical entity of ibuprofen and its immediate salt forms have long expired.
• Active Innovation in Formulation: The majority of recent patent activity centers on novel formulations designed to optimize drug delivery and patient compliance. This is where the most significant patentable opportunities lie for new entrants or for companies looking to innovate around existing ibuprofen sodium products.
• Geographic Variations: Patent protection is territorial. A patent granted in the U.S. does not provide protection in Europe or other countries. Companies must file for patent protection in each target market.

Potential Patent Infringement Risks

Companies developing ibuprofen sodium products must conduct thorough Freedom to Operate (FTO) analyses. This involves identifying existing patents that might be infringed by their proposed product, manufacturing process, or method of use. Risks include:

• Formulation patents: Using specific excipient combinations or dosage form designs claimed in existing patents.
• Process patents: Employing patented manufacturing techniques.
• Method of use patents: Marketing the product for a specific indication if that use is covered by an active patent.

Strategy for Patent Protection

For companies investing in or developing ibuprofen sodium products, a robust patent strategy is essential:

• Identify Novelty: Focus on developing truly novel formulations or manufacturing processes that offer a demonstrable improvement over existing art. This could involve unique excipient blends, advanced drug delivery systems, or highly efficient synthesis methods.
• Secure Broad Claims: Draft patent claims to cover not only the specific embodiment but also a reasonable scope of related variations, providing stronger market exclusivity.
• File in Key Markets: Prioritize patent filings in major pharmaceutical markets where commercialization is planned.
• Monitor Competitor Activity: Continuously track new patent applications and grants by competitors to identify emerging threats and opportunities.

What are the R&D and Investment Opportunities?

The investment potential for ibuprofen sodium lies in leveraging its pharmacokinetic advantages within a well-established and large market. R&D efforts should focus on areas that can create differentiation and secure market share through intellectual property and superior product attributes.

Key R&D Focus Areas

1. Enhanced Delivery Systems:

   • Orally Disintegrating Tablets (ODTs): Formulations that dissolve on the tongue without water, offering convenience and rapid absorption. This is a direct play on the speed advantage.
   • Fast-Dissolving Oral Films: Similar to ODTs, these offer portability and very rapid onset.
   • Effervescent Formulations: Requiring dissolution in water, these can provide rapid absorption and are often perceived as offering a quicker effect.
   • Microencapsulation/Nanoparticle Technologies: While more complex and potentially costly, these could further optimize dissolution and absorption profiles or enable controlled release applications.

2. Combination Products:

   • Ibuprofen Sodium + Caffeine: Caffeine is a known potentiator of analgesics, particularly for headaches. A combination could offer synergistic pain relief.
   • Ibuprofen Sodium + Other Pain Modulators: Exploration of combinations with other classes of analgesics or adjunctive agents for specific pain syndromes, provided efficacy and safety are clearly demonstrated.

3. Pediatric Formulations:

   • Developing palatable, fast-acting liquid or chewable formulations for children where rapid fever and pain reduction is critical. The taste masking of the sodium salt could be an area of focus.

4. Manufacturing Process Optimization:

   • Developing cost-effective, high-yield, and environmentally friendly synthesis routes for ibuprofen sodium. This can reduce cost of goods sold and improve competitive pricing.
   • Improving the stability and shelf-life of ibuprofen sodium formulations.

Investment Considerations

• Market Penetration Strategy: How will a new ibuprofen sodium product gain market share from established ibuprofen and naproxen products? This requires a clear value proposition supported by clinical data and effective marketing.
• Intellectual Property (IP) Protection: Securing strong patent protection for novel formulations or manufacturing processes is paramount to justify R&D investment and ensure market exclusivity. A robust FTO analysis is essential to mitigate infringement risks.
• Regulatory Pathway: While ibuprofen sodium is an established drug, any new formulation or indication may require specific regulatory approvals (e.g., FDA's New Drug Application (NDA) or Abbreviated New Drug Application (ANDA) routes, depending on the innovation). Generic versions of existing ibuprofen sodium formulations can follow the ANDA route.
• Cost of Goods Sold (COGS): Efficient manufacturing processes are critical for competitive pricing in the OTC market.
• Clinical Differentiation: Demonstrating statistically significant improvements in time to pain relief, overall pain reduction, or patient satisfaction compared to leading competitors through well-designed clinical trials will be key to commanding a premium or gaining market share.

Investment Scenario Examples

1. Generic Manufacturer with Process Innovation: A company develops a significantly more efficient and lower-cost manufacturing process for ibuprofen sodium. This allows them to produce the drug at a lower COGS than existing generic manufacturers, enabling aggressive pricing and capturing market share for generic ibuprofen sodium. Investment would focus on scaling manufacturing and market entry.
2. Specialty Pharma Developing Novel Formulation: A company patents a novel ODT formulation of ibuprofen sodium that exhibits superior dissolution and patient acceptance compared to existing rapid-acting NSAIDs. Investment is required for clinical trials to demonstrate efficacy and safety, regulatory submission, and market launch. This strategy aims for a branded OTC product with a perceived performance advantage.
3. API Supplier with High Purity Focus: An API manufacturer invests in advanced purification techniques to produce ibuprofen sodium with exceptionally high purity and consistent particle size distribution. This can command a premium from formulators seeking reliable and high-quality raw materials for advanced dosage forms. Investment is in R&D for process chemistry and manufacturing validation.

The investment thesis for ibuprofen sodium hinges on innovation that translates into a tangible patient benefit, supported by strong IP and a viable path to market access.

Key Takeaways

• Ibuprofen sodium offers a pharmacokinetic advantage of faster absorption and onset of action compared to immediate-release ibuprofen, targeting the acute pain relief segment.
• The NSAID market is highly competitive, with ibuprofen sodium facing strong pressure from other ibuprofen formulations (e.g., lysine salt, immediate-release) and alternative NSAIDs like naproxen.
• Patents for ibuprofen sodium primarily focus on novel formulations, manufacturing processes, and specific therapeutic uses, as the core drug patents have expired.
• R&D opportunities lie in developing enhanced delivery systems (ODTs, films), combination products, and optimizing manufacturing processes to reduce COGS and improve product characteristics.
• Investment requires a clear strategy for market penetration, robust IP protection, a well-defined regulatory pathway, and evidence of clinical differentiation to justify R&D expenditure and capture market share.

Frequently Asked Questions

1. What is the primary advantage of ibuprofen sodium over standard ibuprofen? Ibuprofen sodium's primary advantage is its faster absorption rate, leading to a quicker onset of analgesic and anti-inflammatory effects.

2. Are there any patents still protecting the basic ibuprofen sodium molecule? No, patents covering the fundamental chemical structure of ibuprofen and its basic salt forms have long expired, making ibuprofen sodium a generic substance in its core form.

3. What types of patents are most relevant for new ibuprofen sodium products? The most relevant patents typically concern novel formulations designed for improved drug delivery, unique excipient combinations, innovative manufacturing processes, or specific methods of treatment.

4. What is a Freedom to Operate (FTO) analysis in the context of ibuprofen sodium? An FTO analysis is a comprehensive review of existing patents to determine if a proposed product, manufacturing process, or method of use infringes on any active intellectual property rights.

5. Can ibuprofen sodium be used for chronic pain management? While ibuprofen sodium's rapid onset is ideal for acute pain, its pharmacokinetic profile is generally similar to other rapidly absorbed NSAIDs. For chronic pain management, formulations with longer durations of action, such as sustained-release ibuprofen or other NSAIDs, are typically preferred.