Substantial Amendment 13, 15-05-2019 In 'STOMP' STOMPSTOMP: For InvestigatorsCancer Research UK Clinical Trials Unit (CRCTU) Substantial Amendment 13 MHRA approval substantial amendment 13 [.pdf] REC letter of favourable opinion substantial amendment 13 [.pdf] HRA approval [.pdf] Notification of Substantial Amendment 13[.pdf] Stomp Protocol V6.0 10-May-2019 [.pdf]