Defined Daily Dose (DDD) - World Health Organization (WHO)
The prescribed daily dose (PDD) is defined as the average dose prescribed according to a representative sample of prescriptions. The PDD can be determined from studies of prescriptions, medical or pharmacy records, and it is important to relate the PDD to the diagnosis on which the drug is used.
Defined daily dose - Wikipedia
The defined daily dose (DDD) is a statistical measure of drug consumption, defined by the World Health Organization (WHO) Collaborating Centre for Drug Statistics Methodology. It is defined in combination with the ATC Code drug classification system for grouping related drugs.
How to Calculate and Interpret Defined Daily Dose (DDD) using …
Oct 3, 2024 · The DDD is a standardized measure used to determine the average daily dose of a medication used for its main indication in adults. The WHO Collaborating Centre for Drug Statistics Methodology establishes the DDD for each medication based on pharmacol..
The ATC/DDD Methodology - World Health Organization (WHO)
In order to analyze drug use, it is essential to have both a classification system and a unit of measurement. To address the drawbacks of traditional units of measurement, a technical unit of measurement called the Defined Daily Dose (DDD) was developed for …
ATC-DDD Toolkit - World Health Organization (WHO)
WHO endorses the Anatomic Therapeutic Chemical (ATC) and Defined Daily Dose (DDD) methodology as the gold standard for drug utilization monitoring and research. the toolkit contains guidance on how to set up and use the international ATC/DDD methodology.
Measuring Medicine Use: Applying ATC/DDD Methodology to …
Mar 17, 2021 · This commentary provides a succinct summary of how to use the WHO anatomical therapeutic chemical (ATC)/defined daily dose (DDD) methodology in pharmacoepidemiological studies, with a focus on LMIC contexts.
ATCDDD - Definition and general considerations
Feb 7, 2018 · Definition and introduction. The basic definition of the defined daily dose (DDD) is: The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults. The DDD is a unit of measurement and does not necessarily reflect the recommended or Prescribed Daily Dose. Therapeutic doses for individual patients and ...
Defined Daily Dose - an overview | ScienceDirect Topics
Defined daily dose describes the average maintenance dose for a 70 kg patient for the indication. It is a fixed reference unit for assessing trends in drug consumption in a standardized way. A total of 5994 patients were matched 1:4 with a controlled cohort not receiving PPIs.
The Anatomical Therapeutic Chemical (ATC) classification system and the Defined Daily Dose (DDD) as a measuring unit are tools for exchanging and comparing data on drug use at international, national or local levels. The ATC/ DDD system has become the gold standard for international drug utilization research.
Discrepancies between prescribed and defined daily doses: a …
Mar 10, 2011 · Defined daily doses (DDD) are used as a standard for the measurement of drug utilisation and drug exposure in a population. The WHO [ 1 ] defines the DDD as the assumed average maintenance dose per day for a drug used for its main indication in adults.