Demonstration of efficacy of ectoparasiticides - Scientific guideline

This guideline replaces guidance document 7AE17a entitled ‘Demonstration of Efficacy of Ectoparasiticides’ which was first published in 1994 and aims to provide general guidance on the evaluation of efficacy of ectoparasiticides containing novel or established active ingredients.

Keywords: ectoparasites, veterinary medicinal products, ectoparasiticides, efficacy

Current version

Draft guideline for the evaluation of efficacy of ectoparasiticides - general requirements

Draft: consultation open Consultation dates: 23/01/2026 to 31/05/2026 Reference Number: EMA/CVMP/EWP/507106/2023 Summary:

This guideline replaces the 'Guideline for demonstration of efficacy of ectoparasiticides' (7AE17a).

Comments should be provided using this template. The completed comments form should be sent to [e-mail] 

Document history

Concept paper on the revision of the guideline for the demonstration of efficacy of ectoparasiticides

Draft: consultation closed Consultation dates: 21/07/2023 to 31/10/2023 Reference Number: EMA/CVMP/EWP/56030/2023

Demonstration of efficacy of ectoparasiticides

Adopted Reference Number: 7AE17a Volume 7 Legal effective date: 01/09/1994