Defined daily dose

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In the defined daily dose ( English defined daily dose , DDD , also Assumed Average daily dosage rarely defined daily dose therapy ) is, as the equivalent dose to a calculated value, which for the purposes of drug utilization research has been developed. Taking into account the product properties of the prescribed active ingredient , the daily theoretical intake duration (TED) of a drug can be calculated. It should not be confused with a therapeutic, recommended or prescribed dose.

It indicates the assumed mean daily dose in adults for an active ingredient and its main indication . ( “The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults” - WHO 1999).

The data on DDD published by the WHO, which are calculated as part of the ATC classification by the WHO Collaborative Center for Drug Statistics Methodology , are not identical to the official German version of the ATC classification with defined daily doses.

literature

  • Robert Koch Institute (2012): Determination of the data on the type and extent of antibiotics consumption in hospitals according to Section 23 (4) sentence 2 IfSG . Federal Health Gazette 56: 996-1002

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