FROM CHALLENGE TO TRIUMPH
MUPS tablet compression is challenging due to the fragility of coated pellets, which are prone to rupture and segregation, risking drug release and uniformity issues. Compressol ProTab, a highly compactible excipient, enabled a robust direct compression approach—enhancing flow, preserving pellet integrity, and delivering strong, stable tablets at low pressure.
THE CHALLENGES
- Pellet Rupture – Coatings crack under pressure, altering drug release.
- Content Uniformity – Uneven pellet distribution risks dose variability.
- Segregation – Size/density mismatch causes blend separation.
- Low Compressibility – Weak binding leads to fragile tablets.
- High Friability – Poor excipients or pressure = breakage risk.
- Coating Damage – Taste-masking or enteric layers may fail.
- Compression Force Balance – Too much breaks pellets, too little weakens tablets.
STRATEGIC RESPONSE
- Boosted Strength & Stability: Powered by Compressol® ProTab for superior tablet integrity.
- Simplified Manufacturing: Direct compression approach streamlines production and reduces complexity.
- Simple Formulation: Optimized with minimal excipients—efficiency without compromise.
- Patient-Centric Quality: High-performance tablets designed for better outcomes and faster scale-up.
THE SOLUTION
A MUPS tablet developed using Compressol™ ProTab through direct compression, eliminating the need for multiple cushioning excipients. The formulation utilized minimal excipients while ensuring adequate flow and compactibility. The resulting tablet was robust, stable, and conserved the taste-masking property of the MUPS for a patient friendly dosage.

RESULTS
Compressol® ProTab enabled robust MUPS tablet formation at a target breaking force of 30 N with 0.0% friability, indicating robust manufacturing. Drug release met USP monograph standards, with extended time points confirming ProTab’s ability to withstand compression stress. Pellet and coating integrity were preserved, and content uniformity was excellent (AV = 8.4), well within USP <905> limits—ensuring consistent dose delivery.
See the full technical brochure on Compressol™ ProTab in Mups Applications here
(click the picture to download the brochure)
Source: SPI Pharma, technical brochure Compressol™ ProTab in Mups Applications










































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