Letters Fifth revision of Declaration of Helsinki BMJ 2002; 324 doi: https://doi.org/10.1136/bmj.324.7343.975 (Published 20 April 2002) Cite this as: BMJ 2002;324:975 Article Related content Metrics Responses Peer review Related articles Education And Debate What are the effects of the fifth revision of the Declaration of Helsinki?Fair partnerships support ethical researchGains and losses for rights of consumer and research participantsResearch will be impededSome clauses will hinder development of new drugs and vaccines Published: 15 December 2001; BMJ 323 doi:10.1136/bmj.323.7326.1417 News World Medical Association clarifies rules on placebo controlled trials Published: 13 October 2001; BMJ 323 doi:10.1136/bmj.323.7317.825 See more Trump chooses Obamacare opponent to lead Health and Human Services BMJ November 30, 2016, 355 i6469; DOI: https://doi.org/10.1136/bmj.i6469 Drug firms need to tackle affordability BMJ November 14, 2016, 355 i6096; DOI: https://doi.org/10.1136/bmj.i6096 World Medical Association’s tainted president, Ketan Desai BMJ November 10, 2016, 355 i5867; DOI: https://doi.org/10.1136/bmj.i5867 Cancer drugs, survival, and ethics BMJ November 09, 2016, 355 i5792; DOI: https://doi.org/10.1136/bmj.i5792 WHO refers $29m Oxford research project to GMC for misconduct BMJ November 07, 2016, 355 i5971; DOI: https://doi.org/10.1136/bmj.i5971