European Pharmacopoeia -ph. Eur.- Monograph Tablets -0478- -

Required to disintegrate within 5 minutes in cold water. 3. Dissolution

Unless otherwise stated in the individual monograph, tablets must be stored:

| Feature | Ph. Eur. 0478 | USP <701> / <711> | JP (Tablets) | |---------|---------------|--------------------|---------------| | Scope | Uncoated & film-coated only | Includes chewable, buccal, etc. | Broader – includes effervescent | | Dissolution | 2.9.3 with Q-value | <711> with S1, S2, S3 stages | Similar to USP | | Disintegration | Permitted as alternative | Not a substitute for dissolution (except BCS Class I or III) | Permitted | | Friability | Optional unless specified | Mandatory (USP <1216>) | Mandatory | | Hardness | Not required | Not required but common | Not required |

Chemically assaying individual units (required for potent drugs or low-dose formulations). 2. Disintegration European Pharmacopoeia -ph. Eur.- Monograph Tablets -0478-

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The "Tablets -0478-" monograph describes various test methods that can be used to evaluate the quality of tablets, including:

Ph. Eur. 0478 covers solid preparations each containing a single dose of one or more active substances. While it primarily addresses oral tablets, it excludes certain forms like lozenges or oral pastes, which have their own specific standards. Key Quality & Performance Tests Required to disintegrate within 5 minutes in cold water

Monograph 0478 also provides additional requirements for specialized tablet types:

Formulations such as vaginal tablets, implants, or those intended for other routes must comply with their specific target monographs (e.g., Ph. Eur. Monograph Vaginal Preparations (1164) ). 2. Classification of Tablets Covered under Monograph 0478

Tablets must have sufficient strength to resist crumbling or breaking during handling and shipping. This is often assessed via Friability (2.9.7) and Resistance to Crushing (2.9.8) tests. While it primarily addresses oral tablets

Many commercial tablets feature break-marks (notches) to support dose flexibility or ease of swallowing. Monograph 0478 mandates strict compliance regarding the uniformity of mass for subdivided parts. Manufacturers must demonstrate that splitting the tablet manually or with a splitter yields highly predictable, equal fractions of the therapeutic dose.

The "Tablets -0478-" monograph is essential for manufacturers, regulators, and control laboratories involved in the development, production, and quality control of tablets. The monograph provides a comprehensive framework for evaluating the quality of tablets and ensures that medicinal products available to patients in Europe meet the required standards.