>>>>>>Form to be on Trust headed paper<<<<< Hospital: Patient: (Name, DOB and unique identifier eg Hospital Number) ASSENT FORM for Child/Young Adult aged 11-16 years (To be completed once parental/guardian has consented for children <16 years) Title of Project: The United Kingdom Thrombotic Thrombocytopenic Purpura Registry (UK TTP Regsitry) Chief Investigator: Dr Marie Scully, 60 Whitfield Street, London W1T 4EU Please initial in box if you agree I have read and understood the information sheet (version 2.0, dated 6th October 2010) I have had time to ask questions and have had these answered I know that I can stop doing the study at any time without my treatment being affected in any way. I know that my medical notes will be reviewed by the researcher(s). I give my permission for them to do this. I agree to give an extra blood sample for DNA analysis. I agree to the storage of my DNA and serum samples at the Haemostasis Research Unit, UCL for use in future TTP research. I agree to be in this study. ____________________________ Name of patient in full (please print) __________________ Date ___________________ Patient’s signature ____________________________ Name of researcher ________________ Date ____________________ Researcher’s signature When completed 1 for patient; 1 (original) for researcher; 1 to be kept with hospital notes UK TTP Registry: Assent for Child (11-16 years), Version 2.0, 6th October 2010 Page 1 of 1