Patients who received cediranib had more grade 3-4 toxic effects than did patients who received placebo : hypertension ( 23 [ 37 % ] vs 13 [ 21 % ] ; p = 005 ) , diarrhoea ( eight [ 13 % ] vs two [ 3 % ] ; p = 005 ) ; platelet count decreased ( ten [ 16 % ] vs four [ 6 % ] ; p = 009 ) , white blood cell decreased ( 15 [ 24 % ] vs seven [ 11 % ] ; p = 006 ) and fatigue ( 16 [ 24 % ] vs seven [ 11 % ] ; p = 004 ) .