Crospovidone – Premium superdisintegrant enhancing solubility and therapeutic performance

1. General Introduction of Crospovidone

Crospovidone is widely recognized as a highly effective superdisintegrant for dispersible tablets and soluble tablets. Owing to its unique porous structure and shape recovery property, it exhibits high capillary activity and pronounced hydration capacity while showing little tendency to form gels.

Commercially, crospovidone is available in optimized grades such as PolyKoVidone XL (Type A, ~125 µm) and PolyKoVidone XL-10 (Type B, ~30 µm), each grade is optimized for specific formulation objectives to enhance tablet disintegration and improve drug dissolution performance.

Crospovidone is more than just a functional excipient; it is a critical component for improving drug bioavailability and optimizing the patient experience.

2. Properties & Mechanism of Crospovidone

Crospovidone is a cross-linked homopolymer of N-vinyl-2-pyrrolidone (PVP). Its three-dimensional polymeric network provides a highly porous structure. The cross-linked structure eliminates water solubility while retaining strong hydrophilic properties, enabling rapid water uptake through capillary action with minimal gel formation. As a result, water can continuously penetrate the tablet matrix, promoting rapid tablet disintegration and facilitating drug dissolution.

PolyKoVidone® XL (Type A, ~125 µm) and PolyKoVidone® XL-10 (Type B, ~30 µm) are differentiated by particle size distribution, which directly impacts disintegration kinetics:

3. Key advantages of Crospovidone

• Rapid disintegration at low concentration (1–5%), reducing excipient load while maintaining performance
• Triple-disintegration mechanism (wicking, swelling, and shape recovery) enables rapid and complete tablet disintegration
• Excellent compressibility, producing tablets with high hardness and low friability, even with poorly compressible APIs.
• Strong wettability, facilitating rapid water penetration into the tablet matrix.
• Non-ionic, ensuring compatibility with ionic APIs (e.g., ranitidine, cetirizine)
• No gel formation even at high levels (~10%), without affecting drug release.
• Consistent performance regardless of the medium's pH.
• Enhances stability, dissolution, and bioavailability of poorly soluble APIs (BCS II & IV)
• Flexible processing compatibility: direct compression, wet granulation, and dry granulation

PolyKoVidone® can be used both intra- and extra-granularly, delivering synergistic disintegration efficiency and superior formulation robustness.

4. Applications of Crospovidone

Crospovidone is widely utilized in pharmaceutical formulations due to its exceptional disintegration performance and versatile functionality across multiple dosage forms.

• Superdisintegrant in immediate-release tablets (IR): Crospovidone is primarily used as a superdisintegrant in IR tablet formulations. Its capillary action and swelling without gel formation allow tablets to disintegrate rapidly upon contact with gastrointestinal fluids, enabling rapid drug release and a faster onset of pharmacological action.
• Key excipient in orally disintegrating tablets (ODTs): Crospovidone enables tablets to disintegrate rapidly in the oral cavity without requiring a large amount of water. Its highly porous structure and rapid water uptake significantly improve patient compliance, particularly in children, older adults, and patients with swallowing difficulties.
• Disintegration aid in capsules and granules: Crospovidone is also incorporated into hard capsules and granule formulations to enhance dispersion and disintegration. It ensures uniform release of the active pharmaceutical ingredient (API), improving consistency and reliability of drug delivery.
• Enhancement of poorly soluble drug performance: For Biopharmaceutics Classification System (BCS) Class II and IV drugs, Crospovidone significantly enhances dissolution rates. By improving wettability and increasing surface area exposure, it facilitates faster drug solubilization, leading to improved bioavailability.
• Improvement of drug release and therapeutic efficiency: The inclusion of Crospovidone accelerates dissolution kinetics and promotes efficient drug release profiles. This results in enhanced therapeutic efficacy, reduced variability in drug absorption, and potentially lower required dosages.

Overall, Crospovidone is a highly effective multifunctional excipient that not only ensures rapid disintegration but also contributes to improved drug performance and patient outcomes.

5. Commercial products using Crospovidone 

 6. Product contact information 

For more information about Crospovidone sourcing, please contact us:

• Hotline tư vấn Nutra: +84 (0) 834 560 500
• Email: biopharma@biorichpharma.com
• Website: www.biorichpharma.com
• Yêu cầu Sample / COA: Vui lòng liên hệ qua email để nhận mẫu thử (Sample) và Certificate of Analysis (COA) mới nhất