Film coatings on pharmaceutical tablets provide a broad range of functionalities, and the coating formulation and process are complex, with many variables. Figure 1 shows the variables associated with a pan-coating process, for example. All of these factors can potentially influence critical quality attributes of the final coated product.
The French authorities communicated the plan to ban Titan Dioxide from food products by end to this year. Who will follow the French example?
What will be the impact for the pharmaceutical industry?
How fast this will happen?
What are the consequences on existing formulations in respect of such a change?
What are your concerns?
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Extended drug delivery offers numerous benefits compared to immediate release dosage form. Membrane coating of immediate release dosage form is an effective means of producing an extended drug delivery system. Polymers when coated alone, have limited ability to form the rate controlling membrane with good mechanical properties.
Film coating is a thin polymer layer applied on to a solid dosage form. Quality by design approach was explored to optimize the tablet coating process using Opadry®, an optimized one step film coating system.