diff --git a/src/views/trials/trials-list/components/TrialForm.vue b/src/views/trials/trials-list/components/TrialForm.vue
index e3c252ed..4c631c6e 100644
--- a/src/views/trials/trials-list/components/TrialForm.vue
+++ b/src/views/trials/trials-list/components/TrialForm.vue
@@ -82,6 +82,7 @@
           filterable
           allow-create
           default-first-option
+          clearable
           @change="(value) => handleSelectChange(value, 'sponsor')"
           @visible-change="
             (flag) => handleSelectVisibbleChange(flag, 'sponsor')
@@ -102,6 +103,7 @@
           filterable
           allow-create
           default-first-option
+          clearable
           @change="(value) => handleSelectChange(value, 'cro')"
           @visible-change="(flag) => handleSelectVisibbleChange(flag, 'cro')"
         >