List of Excipients in Branded Drug FELDENE

Company	Tradename	Ingredient	NDC	Excipient	Potential Generic Entry
Pfizer Laboratories Div Pfizer Inc	FELDENE	piroxicam	0069-3220	FD&C BLUE NO. 1
Pfizer Laboratories Div Pfizer Inc	FELDENE	piroxicam	0069-3220	FD&C RED NO. 3
Pfizer Laboratories Div Pfizer Inc	FELDENE	piroxicam	0069-3220	LACTOSE
Pfizer Laboratories Div Pfizer Inc	FELDENE	piroxicam	0069-3220	MAGNESIUM STEARATE
Pfizer Laboratories Div Pfizer Inc	FELDENE	piroxicam	0069-3220	SODIUM LAURYL SULFATE
Pfizer Laboratories Div Pfizer Inc	FELDENE	piroxicam	0069-3220	STARCH, CORN

Generic Drugs Containing FELDENE

Company	Ingredient	NDC	Excipient
Keltman Pharmaceuticals Inc.	piroxicam	68387-700	COLLOIDAL SILICON DIOXIDE
Keltman Pharmaceuticals Inc.	piroxicam	68387-700	D&C YELLOW NO. 10
Keltman Pharmaceuticals Inc.	piroxicam	68387-700	FD&C GREEN NO. 3
Keltman Pharmaceuticals Inc.	piroxicam	68387-700	GELATIN
Keltman Pharmaceuticals Inc.	piroxicam	68387-700	LACTOSE
Keltman Pharmaceuticals Inc.	piroxicam	68387-700	MAGNESIUM STEARATE

What are the Most Frequently-Used Excipients in FELDENE?

# Of NDCs	Excipient
1	COLLOIDAL SILICON DIOXIDE
1	D&C YELLOW NO. 10
1	FD&C GREEN NO. 3
1	GELATIN
1	LACTOSE
1	MAGNESIUM STEARATE

Excipients Strategy and Commercial Opportunities for FELDENE

Last updated: February 27, 2026

What is the excipient profile for FELDENE?

FELDENE (Diclofenac Sodium) tablets typically include excipients that enhance stability, bioavailability, and manufacturability:

• Microcrystalline cellulose (filler/biller)
• Magnesium stearate (lubricant)
• Corn starch (disintegrant)
• Povidone (binder)
• Talc (glidant)

Exact formulations vary by manufacturer but follow standard NSAID tablet compositions. No proprietary excipient combination has been publicly disclosed.

How do excipients influence FELDENE's formulation and manufacturing?

Excipients impact several factors:

• Stability: Microcrystalline cellulose provides a stable matrix, resisting moisture-induced degradation.
• Disintegration and dissolution: Corn starch promotes rapid disintegration, ensuring timely therapeutic onset.
• Manufacturability: Magnesium stearate reduces tablet compression issues and wear on machinery.
• Bioavailability: Povidone interacts with active pharmaceutical ingredient (API), aiding dissolution.

Proper excipient selection ensures batch consistency, shelf life, and patient compliance.

What are commercial opportunities in excipient development for FELDENE?

Opportunities include creating excipient formulations that:

• Enhance bioavailability: Use of solubility-enhancing excipients, such as cyclodextrins or surfactants, can increase absorption, especially for lower-dose formulations.
• Reduce excipient load: Developing high-efficiency binders or disintegrants lowers tablet size, improving patient compliance.
• Improve stability: Incorporating antioxidants or moisture barriers extends shelf life, reducing waste and recalls.
• Enable controlled release: Using specialized excipients (e.g., hydrophilic polymers) allows sustained drug release, differentiating products in a competitive market.

How do regulatory considerations shape excipient strategies?

Regulatory agencies, such as the FDA and EMA, require documented safety profiles for excipients used in drug formulations. Novel excipients undergo rigorous evaluation for toxicity and interactions. Leveraging excipients with established safety profiles reduces approval risks and expedites market entry.

What trends influence excipient innovation for FELDENE?

• Eutectic-free formulations: Addressing issues of moisture sensitivity and stability.
• Plant-based excipients: Rising demand for gluten-free, allergen-free excipients enhances market appeal.
• Minimal excipient patterns: Reducing excipient complexity aligns with clean-label trends, appealing to health-conscious consumers.

Market analysis indicates an increasing move toward bio-based, functional excipients that can offer multiple benefits in one component (e.g., disintegration + stability).

What are key competitive advantages for excipient suppliers?

Suppliers that provide:

• Regulatory-approved, broadly accepted excipients
• Customizable formulations for controlled release or bioavailability
• Integrated solutions combining APIs and excipients
• Innovative, plant-based or functional excipients

stand to capture a significant share in FELDENE-related formulations.

Market Dynamics and Growth Potential

The global NSAID market was valued at USD 13.5 billion in 2020, projected to grow at a CAGR of 4.2% through 2028 (Grand View Research, 2022). FELDENE, as a well-established NSAID, benefits from this growth, with excipient innovations underpinning newer formulations.

Emerging markets demonstrate increased demand for affordable, quality-assured generics, emphasizing the importance of reliable excipient supply chains. Companies that develop excipients addressing stability, bioavailability, and controlled release can edge out competitors and create premium formulations.

Strategic Recommendations

• Invest in R&D for bioavailability-enhancing excipients
• Develop stable, low excipient load formulations to reduce manufacturing costs
• Pursue approvals for novel excipients aligned with regulatory standards
• Collaborate with OEMs to adapt excipient profiles for branded and generics versions
• Leverage plant-based, clean-label excipients aligned with consumer trends

Conclusion

Excipients are critical in optimizing FELDENE formulations for efficacy, stability, and manufacturing efficiency. Innovating in excipient technology offers pathways to differentiate products, meet regulatory standards, and capture market share across global markets.

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Key Takeaways

• FELDENE excipient strategies focus on stability, bioavailability, and manufacturability.
• Innovations in excipients—such as sustained-release matrices or bio-enhancers—present commercial opportunities.
• Regulatory compliance and consumer trends drive development toward plant-based, minimal, or multifunctional excipients.
• The NSAID market’s growth underpins demand for advanced excipient solutions, creating opportunities for suppliers.

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FAQs

1. What excipients are most critical in FELDENE tablets?
Microcrystalline cellulose, magnesium stearate, corn starch, povidone, and talc.

2. Can excipient innovation improve FELDENE’s bioavailability?
Yes, bioavailability can be improved by incorporating surfactants, cyclodextrins, or other solubility enhancers.

3. What regulatory challenges exist for novel excipients?
New excipients require extensive safety data and regulatory approval, which can delay product launches.

4. How does patient compliance influence excipient choices?
Reducing tablet size and ensuring rapid disintegration enhances compliance.

5. What trends are shaping the future of excipient development for NSAIDs?
Plant-based, clean-label, and multifunctional excipients that improve stability, bioavailability, and controlled release.

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References

[1] Grand View Research. (2022). NSAID Market Size, Share & Trends Analysis.
[2] U.S. Food & Drug Administration. (2021). Guidance for Industry: Excipients in Drug Products.