Optimize binder selection; maintain correct moisture equilibrium during granulation. Acceptance Value (AV) ≤15is less than or equal to 15 Acceptance Value (AV) ≤5is less than or equal to 5
The following week, the production manager, a bullish man named Klaus, stormed into the lab. “There’s nothing wrong with that batch. Your method is too aggressive. Lower the rpm to 50.”
Monograph 0478, section 2.9.3, is precise. It demands Apparatus 2 (paddle), 900 mL of 0.1 M hydrochloric acid, 37°C, 75 rpm. At 30 minutes, not less than 75% (Q) of the stated amount of active substance must be released. european pharmacopoeia ph eur monograph tablets 0478 better
Critical for predicting how the drug will be released and absorbed in the body. Disintegration:
This is perhaps the most vital safety metric. It ensures that every tablet in a batch contains the intended amount of the active ingredient. This is verified either through Uniformity of Content (assaying individual tablets) or Uniformity of Mass Dissolution: Your method is too aggressive
: Uses precise quantitative assays to verify that individual tablets contain the specified amount of API, which is critical for low-dose or highly potent drugs.
There it was. A hairline fracture, invisible to the naked eye, just above the paddle blade. At 75 rpm, the shaft would flex by less than a millimeter. But that millimeter was enough to create a micro-vortex that spun the disintegrating tablet away from the probe, making the dissolution appear slower. At 30 minutes, not less than 75% (Q)
Understanding how to leverage Monograph 0478 allows pharmaceutical manufacturers to optimize formulations, streamline quality control, and bring better, more robust solid oral dosage forms to market. 1. Overview of Ph. Eur. Monograph 0478