diff --git a/user-interface/src/main/java/life/qbic/datamanager/views/general/QbicDialog.java b/user-interface/src/main/java/life/qbic/datamanager/views/general/QbicDialog.java
index 827a3ae6f..620908001 100644
--- a/user-interface/src/main/java/life/qbic/datamanager/views/general/QbicDialog.java
+++ b/user-interface/src/main/java/life/qbic/datamanager/views/general/QbicDialog.java
@@ -5,6 +5,8 @@
 import com.vaadin.flow.component.ShortcutRegistration;
 import com.vaadin.flow.component.Shortcuts;
 import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.router.BeforeLeaveEvent;
+import com.vaadin.flow.router.BeforeLeaveObserver;
 import com.vaadin.flow.server.Command;
 import java.util.Objects;
 
@@ -15,7 +17,7 @@
  * @see Dialog
  * @since 1.4.0
  */
-public class QbicDialog extends Dialog {
+public class QbicDialog extends Dialog implements BeforeLeaveObserver {
 
   private ShortcutRegistration escShortcut;
 
@@ -38,4 +40,9 @@ public void setEscAction(Command command) {
     }
     escShortcut = Shortcuts.addShortcutListener(this, command, Key.ESCAPE);
   }
+
+  @Override
+  public void beforeLeave(BeforeLeaveEvent event) {
+    this.close();
+  }
 }
diff --git a/user-interface/src/main/java/life/qbic/datamanager/views/general/dialog/AppDialog.java b/user-interface/src/main/java/life/qbic/datamanager/views/general/dialog/AppDialog.java
index fd8b981f2..80a8345e7 100644
--- a/user-interface/src/main/java/life/qbic/datamanager/views/general/dialog/AppDialog.java
+++ b/user-interface/src/main/java/life/qbic/datamanager/views/general/dialog/AppDialog.java
@@ -5,6 +5,8 @@
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.dialog.Dialog;
 import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.router.BeforeLeaveEvent;
+import com.vaadin.flow.router.BeforeLeaveObserver;
 import java.util.Objects;
 import java.util.Optional;
 import life.qbic.datamanager.views.general.icon.IconFactory;
@@ -22,7 +24,7 @@
  *
  * @since 1.7.0
  */
-public class AppDialog extends Dialog {
+public class AppDialog extends Dialog implements BeforeLeaveObserver {
 
   public static final String PADDING_LEFT_RIGHT_07 = "padding-left-right-07";
   public static final String PADDING_TOP_BOTTOM_04 = "padding-top-bottom-04";
@@ -229,6 +231,16 @@ public void registerUserInput(UserInput userInput) {
     this.userInput = Objects.requireNonNull(userInput);
   }
 
+  @Override
+  public void beforeLeave(BeforeLeaveEvent event) {
+    if (hasChanges()) {
+      event.postpone();
+      cancel();
+    } else {
+      this.close();
+    }
+  }
+
 
   private interface Style {
 
diff --git a/user-interface/src/main/java/life/qbic/datamanager/views/notifications/NotificationDialog.java b/user-interface/src/main/java/life/qbic/datamanager/views/notifications/NotificationDialog.java
index 181b67833..8f3a9b1e3 100644
--- a/user-interface/src/main/java/life/qbic/datamanager/views/notifications/NotificationDialog.java
+++ b/user-interface/src/main/java/life/qbic/datamanager/views/notifications/NotificationDialog.java
@@ -10,6 +10,8 @@
 import com.vaadin.flow.component.icon.Icon;
 import com.vaadin.flow.component.icon.VaadinIcon;
 import com.vaadin.flow.dom.Style.Display;
+import com.vaadin.flow.router.BeforeLeaveEvent;
+import com.vaadin.flow.router.BeforeLeaveObserver;
 
 /**
  * A dialog notifying the user of some event.
@@ -31,7 +33,7 @@
  *   <li>info-dialog</li>
  * </ul>
  */
-public class NotificationDialog extends ConfirmDialog {
+public class NotificationDialog extends ConfirmDialog implements BeforeLeaveObserver {
 
   private final H2 title;
   private final NotificationLevel level;
@@ -191,4 +193,8 @@ public <T extends NotificationDialog> T withContent(Component... content) {
     return withContent(hiddenCollectionDiv);
   }
 
+  @Override
+  public void beforeLeave(BeforeLeaveEvent event) {
+    this.close();
+  }
 }
diff --git a/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/measurements/MeasurementMain.java b/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/measurements/MeasurementMain.java
index 4adeeff73..8fe651ec2 100644
--- a/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/measurements/MeasurementMain.java
+++ b/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/measurements/MeasurementMain.java
@@ -13,6 +13,8 @@
 import com.vaadin.flow.dom.Style.Visibility;
 import com.vaadin.flow.router.BeforeEnterEvent;
 import com.vaadin.flow.router.BeforeEnterObserver;
+import com.vaadin.flow.router.BeforeLeaveEvent;
+import com.vaadin.flow.router.BeforeLeaveObserver;
 import com.vaadin.flow.router.Route;
 import com.vaadin.flow.spring.annotation.SpringComponent;
 import com.vaadin.flow.spring.annotation.UIScope;
@@ -50,6 +52,7 @@
 import life.qbic.logging.api.Logger;
 import life.qbic.logging.service.LoggerFactory;
 import life.qbic.projectmanagement.application.ProjectInformationService;
+import life.qbic.projectmanagement.application.measurement.MeasurementMetadata;
 import life.qbic.projectmanagement.application.measurement.MeasurementService;
 import life.qbic.projectmanagement.application.measurement.MeasurementService.MeasurementDeletionException;
 import life.qbic.projectmanagement.application.measurement.validation.MeasurementValidationService;
@@ -76,7 +79,7 @@
 @UIScope
 @Route(value = "projects/:projectId?/experiments/:experimentId?/measurements", layout = ExperimentMainLayout.class)
 @PermitAll
-public class MeasurementMain extends Main implements BeforeEnterObserver {
+public class MeasurementMain extends Main implements BeforeEnterObserver, BeforeLeaveObserver {
 
   public static final String PROJECT_ID_ROUTE_PARAMETER = "projectId";
   public static final String EXPERIMENT_ID_ROUTE_PARAMETER = "experimentId";
@@ -103,6 +106,7 @@ public class MeasurementMain extends Main implements BeforeEnterObserver {
   private final transient ProjectInformationService projectInformationService;
   private final transient CancelConfirmationDialogFactory cancelConfirmationDialogFactory;
   private final transient MessageSourceNotificationFactory messageFactory;
+  private MeasurementMetadataUploadDialog dialog;
   private transient Context context;
 
   public MeasurementMain(
@@ -157,7 +161,6 @@ public MeasurementMain(
         getClass().getSimpleName(), System.identityHashCode(this),
         measurementTemplateListComponent.getClass().getSimpleName(),
         System.identityHashCode(measurementTemplateListComponent)));
-
   }
 
   private static String convertErrorCodeToMessage(MeasurementService.ErrorCode errorCode) {
@@ -359,7 +362,7 @@ private void triggerMeasurementRegistration(
   }
 
   private void openEditMeasurementDialog() {
-    var dialog = new MeasurementMetadataUploadDialog(measurementValidationService,
+    this.dialog = new MeasurementMetadataUploadDialog(measurementValidationService,
         cancelConfirmationDialogFactory,
         MODE.EDIT,
         context.projectId().orElse(null));
@@ -549,7 +552,7 @@ private void onDownloadMeasurementTemplateClicked(
   }
 
   private void openRegisterMeasurementDialog() {
-    var dialog = new MeasurementMetadataUploadDialog(measurementValidationService,
+    this.dialog = new MeasurementMetadataUploadDialog(measurementValidationService,
         cancelConfirmationDialogFactory,
         MODE.ADD,
         context.projectId().orElse(null));
@@ -601,4 +604,10 @@ static class HandledException extends RuntimeException {
     }
 
   }
+
+  @Override
+  public void beforeLeave(BeforeLeaveEvent event) {
+    Optional.ofNullable(this.dialog).ifPresent(Dialog::close);
+  }
+
 }