Search/count on adverse event records where a specified active substance name is suspect?

[Gavin Hardin]

Hello,

Thanks for providing this API. Is it possible to perform a search on the adverse events endpoint to filter by records with a given patient.drug.activesubstance.activesubstancename AND with that drug's drugcharacterization being a certain value?

I am interested in retrieving a count on records where a specified drug is listed as suspect. The closest query I can come up with is https://api.fda.gov/drug/event.json?search=patient.drug.activesubstance.activesubstancename:tretinoin+AND+patient.drug.drugcharacterization:1&limit=100, but this doesn't ensure that the given active substance has the specified drug characterization, only that a drug in the record is listed as suspect.

If this is not currently possible, it would be a very useful feature to add.

[Denis Krylov]

Unfortunately, this is not currently possible in openFDA (technical details here; openFDA does not utilize nested fields). We will look into implementing this in future releases, however.

[Gavin Hardin]

Unfortunately, this is not currently possible in openFDA (technical details here; openFDA does not utilize nested fields). We will look into implementing this in future releases, however.

Understood. Thanks for the prompt reply!