Which company maintains MedDRA?
The MSSO (Maintenance and Support Services Organization), contracted by ICH with technical and financial oversight by the MedDRA Management Committee, is tasked to maintain, develop and distribute MedDRA.
What is MedDRA and how is it used?
MedDRA is a clinically-validated international medical terminology used by regulatory authorities and the regulated biopharmaceutical industry. The terminology is used through the entire regulatory process, from pre- marketing to post-marketing, and for data entry, retrieval, evaluation, and presentation.
What is the current MedDRA version?
MedDRA Version 25.0, English Version is Now Available for Download. As of March 1, 2022, the English MedDRA Version 25.0 is available for download.
Why do we need MedDRA?
MedDRA is used to classify adverse event data from clinical trials; from spontaneous adverse event reports by health care professionals, patients and others; and from other sources of adverse event data.
What is the difference between MedDRA and WHO drug dictionary?
In the WHO Drug case, it will be the variable pertaining to the drug name while the MedDRA case is referring to the adverse event verbatim variable. The other distinction is that the WHO Drug can also have an indication and route variable.
Why is MedDRA coding needed?
MedDRA is used for coding therapeutic indications which include signs, symptoms, diseases, diagnosis, or prophylaxis of disease, and modi-fication of functions, coding names and quantitative results of investigations, surgical procedures and medical/social/family history.
How many terms are there in MedDRA?
There are five levels to the MedDRA hierarchy, arranged from very specific to very general. At the most specific level, called “Lowest Level Terms” (LLTs), there are more than 80,000 terms which parallel how information is communicated. These LLTs reflect how an observation might be reported in practice.
What is MedDRA license?
Special licences allow MedDRA’s use without charge in a non-downloadable format within agency electronic (software) tools designed to allow a company to meet their regulatory (adverse reaction) reporting requirements.
What are MedDRA codes?
The Medical Dictionary for Regulatory Activities (MedDRA) is an internationally used set of terms relating to medical conditions, medicines and medical devices. It was created to assist regulators with sharing information.
What is the difference between an ADE and ADR?
An Adverse Drug Event (ADE) is “Harm caused by appropriate or inappropriate use of a drug whereas adverse drug reactions are a subset of these events, where harm is directly caused by a drug under appropriate use (i.e. at normal doses).
What is Dechallenge and rechallenge in pharmacovigilance?
A dechallenge is positive when after removal of the drug the adverse event subsides or disappears. A dechallenge is negative when the event persists even after removal of the drug i.e. a causal relationship is unlikely. Rechallenge. The point at which a drug is given again to a patient after its previous withdrawal.