Declaration of Helsinki: Full paragraph-by-paragraph comparison indicating changes in version 19 October 2024 compared with the most previous version of 19 October 2013

This full paragraph-by-paragraph comparison of the recently released Declaration of Helsinki (DoH) (DoH version October 19, 2024) with the most previous DoH version of 19 October 2013 is intended as a service to the international bioethics and medical research communities to assist in identifying the changes recently introduced by the World Medical Association (WMA). A brief preliminary commentary is added to each paragraph as a point of reflection on some of the changes to assist the reader in situating the context and considerations to which the changes may give rise.

This version 4.0 revises the preliminary commentary in the table below (Part A, pages 1-35). Following the table a Part B (pages 37 to 39) was added in version 3.0 to summarizes some points of revision found in the 2024 version of the DoH.