Urgent safety measures taken in accordance with the fourth paragraph of Article L. 1123-10, consisting of stopping the research or taking immediate measures, are followed, depending on the case, either by a declaration concerning the end of the research or by an application for substantial modification. Applications for an opinion and, where applicable, for authorisation of substantial modifications are submitted, within fifteen days of the introduction of urgent safety measures, to the competent authority defined in Article L. 1123-12 and to the relevant Data Protection Committee, under the conditions set out in R. 1123-42 to R. 1123-44. The declaration concerning the end of the research is made in accordance with R. 1123-66 and R. 1123-67.
When, in the case of trials for the first administration or first use of a medicinal product or a health product mentioned in article L. 5311-1 in persons with no medical condition, a new fact as defined in 12° of article R. 1123-46 occurs, the sponsor :
1° Suspend the administration or use of the medicinal product or product in the persons participating in the research pending the adoption of definitive measures ;
2° Takes appropriate urgent safety measures;
3° Informs the competent authority and the Committee for the Protection of Individuals without delay.