INN 82nd Executive Summary
82nd Consultation on International Nonproprietary Names
29 April 2026
| Publication
Overview
During the 82nd INN Consultation, 292 INN requests were discussed, including:
• 266 new INN requests, of which 161 were for biological substances (including 52 with a chemical component)
• 21 outstanding requests
• 5 objections and 1 request of substitution
As a result of these discussions, 275 new names were selected, which are planned to be published in Lists 136 of proposed INN (p.INN) and 135 (for COVID-19-related requests only). Two requests did not fulfil INN criteria (No INN), 5 were withdrawn by the applicant and 10 requests were deferred for future discussion.
One new substem was selected, 8 suffixes were promoted to the pre-stems list and it was decided to review the description of 5 stems before the 83rd INN Consultation.
WHO Team
INN and Classification of Medical Products (INN)
Editors
Programme on International Nonproprietary Names (INN)
Number of pages
15
Reference numbers
WHO Reference Number: INN Working Doc. 26.647
Copyright
© World Health Organization 2026