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The results of the feeding studies will be subjected to a peer review process by a high-ranking scientific journal as a quality assurance step. At that step interpretations and conclusions will be limited to the feeding studies. A draft version of the manuscript will also be part of to the stakeholder documents in the stakeholder workshop at the final stage of the project. Another set of journal manuscripts will focus on the general conclusions for GMO risk assessment.


All papers will be put open access and accompanied by a discussion forum in the journal for commenting on these papers. This strategy allows the scientific discussion to continue beyond the lifetime of the Project. Archives of Toxicology, a high-ranking scientific journal, has agreed to go along with this publication strategy. This journal already published a letter describing the three major long term feeding studies with GM plants in the EU: GRACE, GMO90+ and G-TwYST.


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G-TwYST Interim Report available

15 February 2017


The G-TwSYT team completed a publicly available Interim report with information about the progress that has been made in the first 1.5 years of the project. The report can be downloaded here.

Value and pitfalls of stakeholderconsultation

17 January 2017


In 2013 the Dutch Commission on Genetic Modification (COGEM) published a topic report on alarming studies on the safety of GMOs. COGEM pointed out that while repetition of ‘alarming studies’ is sometimes the only way to reject or confirm the results, stakeholder participation during investigation may increase its social robustness.

In a letter sent to the Secretary of State of Infrastucture and Environment on January 11, 2017 COGEM adds some reflections on the value and possible pitfalls of stakeholder participation based on experiences in and results of the GRACE project.

The COGEM letter states that the involvement of stakeholders in this project has been meticulous and transparent and has finally contributed to the validity of the results also from a broader social perspective. However, COGEM also noticed that some stakeholders were too fixated on their own arguments and vision, that reflection and interaction became difficult. According to COGEM this situation significantly hampered the achievement of broadly supported conclusions. On the basis of this experience COGEM also proposed some guidelines for improving such processes.


Read the full letter >

Scientific quality criteria (2)

28 November 2016


So far, we have received comments on the proposed scientific quality criteria from the Federal Office of Consumer Protection and Food Safety, Germany (BVL) on October 5th, 2016. The comments can be downloaded here.


The G-TwYST research team responded to the BVL comments on November 28th, 2016. The response can be downloaded here.