MHRA Amendment 2 16052011 In 'Axi-STS' Axi-STS TrialAxi-STS Trial: For InvestigatorsCancer Research UK Clinical Trials Unit (CRCTU) Amendment 2 Approval Letter [.pdf] Amendment 2 AXi-STS Substaintial Amendment Notification form 270611 [.pdf] Amendment 2 Axi-STS Substaintial Amendment Notification Form [.pdf] MHRA Approval Letter 2011 [.pdf]