INN 81st Executive Summary

81st Consultation on International Nonproprietary Names

Overview

During the 81st INN Consultation, 281 INN requests were discussed, including:
• 244 new INN requests, of which 136 were for biological substances
• 34 outstanding requests
• 3 objections
As a result of these discussions, 269 new names were selected, which are planned to be published in List 135 of proposed INN (p.INN) and COVID-19-related requests only in pending List 134. Three requests did not fulfil INN criteria (No INN), 4 were withdrawn by the applicant and 5 requests were deferred for future discussion.
Four new stems/substems were selected, two suffixes were promoted to the pre-stems list and it was decided to review the description of two stems before the 82nd INN Consultation.

 

 

WHO Team
INN and Classification of Medical Products (INN)
Editors
Programme on International Nonproprietary Names (INN)
Number of pages
12
Reference numbers
WHO Reference Number: INN Working Doc. 25.636
Copyright
© World Health Organization 2025