No clinical investigation may be carried out on a person without his free and informed consent, obtained in writing under the conditions laid down in paragraph 1 of Article 63 of Regulation (EU) 2017/745 of the European Parliament and of the Council of 5 April 2017, after he has been given the information provided for in paragraphs 2 to 6 of that same Article. Where it is impossible for the data subject to express his consent in writing, it may be attested by his legal representative provided for in paragraph 1 of Article 63 of the aforementioned Regulation (EU).
In the event that the person undergoing clinical investigation has withdrawn his/her consent, such withdrawal shall not affect the activities carried out and the use of the data obtained on the basis of the informed consent expressed before it was withdrawn.