F-MELT® Type C: Pioneering Patient - Friendly Fast - Dissolving Tablets

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Introduction

The pharmaceutical industry continually seeks innovative excipients to enhance the performance of oral dosage forms, especially for poorly water-soluble drugs. F-MELT® Type C, a patented, co-processed excipient, has gained attention for its role in the development of fast-dissolving tablets (FDTs).

This newsletter summarizes recent advances and practical applications of F-MELT® Type C, with a focus on findings from a comparative study on cyclodextrin derivatives in improving the oral bioavailability of Etoricoxib.

What is F-MELT® Type C?

F-MELT® Type C is a proprietary, co-processed excipient system designed specifically for the direct compression of orally disintegrating and fast-dissolving tablets.

With its unique composition and physical properties, F-MELT® is the universal excipient for rapid disintegration, robust mechanical strength, and superior patient acceptability. While traditionally used in Orally Disintegrating Tablets (ODTs), F-MELT® is also highly effective for Immediate Release (IR) tablets containing moisture-sensitive or poor tasting Active Pharmaceutical Ingredients (APIs). It also facilitates content uniformity for micronized drugs and low dose APIs. Its composition enables:

Key Applications In Fast-Dissolving Tablets

ENHANCING DISINTEGRATION AND DISSOLUTION

F-MELT® Type C enables the rapid breakdown of tablets in the oral cavity, making it ideal for populations with swallowing difficulties (e.g., pediatrics, geriatrics). In the referenced study, F-MELT® Type C was used alone and in combination with Prosolv ODT as a super-disintegrant in the formulation of Etoricoxib fast dissolving tablets (FDTs). Key results included:

Disintegration Time: Tablets containing F-MELT® Type C disintegrated in 25-70 seconds, outperforming the marketed product Arcoxia ® (120-135 seconds).
Dissolution Profile: Formulations with F-MELT® Type C achieved over 88% drug release within 1 minute, and over 98% within 10 minutes, demonstrating superior performance compared to conventional formulations.

SYNERGISTIC EFFECTS WITH OTHER EXCIPIENTS

The combination of F-MELT® Type C with other super-disintegrants (such as Prosolv ODT)
resulted in:

Shorter Disintegration Times: The optimized formulation (SD-HP3) with equal amounts of F-MELT® Type C and Prosolv® ODT showed the fastest disintegration and highest dissolution efficiency.
Improved Tablet Properties: Enhanced flowability, compressibility, and uniformity, facilitating large-scale manufacturing.

TASTE MASKING AND PATIENT COMPLIANCE

All FDT formulations using F-MELT® Type C successfully masked the bitter taste of Etoricoxib, resulting in high
acceptance among volunteers.
The pleasant mouthfeel and rapid disintegration support improved patient compliance.

Case Study: Etoricoxib Fast-Dissolving Tablets

A 3 full-factorial-design approach was used to formulate Etoricoxib FDTs with varying types and ratios of cyclodextrin carriers and super-disintegrants. F-MELT® Type C played a pivotal role in:

Optimized Formulation (SD-HP3): Demonstrated the highest desirability score (0.86), fastest disintegration, and superior dissolution compared to the marketed product.
In Vivo Performance: SD-HP3 achieved a 1.4-fold increase in drug absorption and a significantly shorter time to peak plasma concentration (T ) than Arcoxia . These findings indicate that the absorption rate and bioavailability of SD-HP3 were significantly faster and greater than those of the marketed medication Arcoxia®.

Conclusion

F-MELT® Type C is a versatile excipient that significantly improves the performance of fastdissolving tablets. Its application in the formulation of etoricoxib FDTs led to enhanced dissolution, faster onset of action, and improved patient compliance. These attributes make F-MELT® Type C a valuable tool in the development of advanced oral drug delivery systems for poorly water-soluble drugs.

Whether you are developing a new pediatric formulation, a geriatric supplement, or seeking to optimize your ODT/ODF portfolio, F-MELT® Type C is your excipient of choice for innovation, efficiency, and patient-centered design.

Continue reading and see the full Pharmaceutical Technical Newsletter on F-MELT® Type C here:

(click the picture to download the technical newsletter)

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