2025 Embase Classic (EMCL) Reload News
The Embase Classic (EMCL) database has been reloaded to implement a new full set of data and 2025.01 Thesaurus tools.
Changes in the new thesaurus:
Emtree Terms Added in January 2025
1674 new terms (including 61 replacement terms and promoted synonyms) have been added to Emtree as preferred terms in version January 2025 (compared to September 2024):
- 279 drug terms (terms assigned to the Chemicals and Drugs facet).
- 1395 non-drug terms (terms not assigned as Chemicals and Drugs).
Emtree Terms Changed in January 2025
- 61 terms (26 drug terms and 35 non-drug terms) from Emtree September 2024 have been replaced by 61 different terms in January 2025 (26 drug terms and 35 non-drug terms).
- Of these, 57 terms (24 drug terms and 33 non-drug terms) are new (e.g. new generic names for drug chemical names) and have been assigned creation date 2025;
the remaining 4 replacement terms (2 drug terms and 2 non-drug terms) were already present in Emtree.
- No drug terms were replaced by a non-drug term, No non-drug terms were replaced by a drug term. No preferred terms were deleted.
Complete details on changes of the new thesaurus are available here:
If you have any questions, contact your Ovid Support Representative at [email protected].
Reload News last updated
June 16, 2025.