diff --git a/packages/api/src/routes/studies.ts b/packages/api/src/routes/studies.ts
index 7174512..23f15f9 100644
--- a/packages/api/src/routes/studies.ts
+++ b/packages/api/src/routes/studies.ts
@@ -52,13 +52,20 @@ router.post("/", (req, res, next) => {
     .catch(next);
 });
 
-router.put("/:id", (req, res, next) => {
-  Study.updateOne({ _id: req.params["id"] }, req.body)
-    .then((study) => {
-      if (!study) throw new HttpError(404);
-      res.json(study);
-    })
-    .catch(next);
+router.put("/:id", isAuthenticated, async (req, res, next) => {
+  try {
+    const study = await Study.findOneAndUpdate(
+      { _id: req.params["id"] },
+      req.body,
+      { upsert: true, new: true }
+    );
+    const user = req.user as HydratedDocument<IUser>;
+    if (!user.studies.includes(study._id))
+      await user.updateOne({ $push: { studies: study._id } });
+    res.json(study);
+  } catch (e) {
+    next();
+  }
 });
 
 export default router;
diff --git a/packages/ui/src/api/studies.ts b/packages/ui/src/api/studies.ts
index c40e19f..abd42e2 100644
--- a/packages/ui/src/api/studies.ts
+++ b/packages/ui/src/api/studies.ts
@@ -9,9 +9,12 @@ const axiosInstance = axios.create({
 axiosInstance.interceptors.response.use(
   (response) => response,
   (error) => {
+    // TODO fix this to instantly cause redirect to login
     if (error.response.status === 401) {
       const authStore = useAuthStore();
       authStore.currentUser = null;
+    } else {
+      throw error;
     }
   }
 );
@@ -25,6 +28,10 @@ async function deleteStudy(id: string) {
   await axiosInstance.delete(`/studies/${id}`);
 }
 
+async function saveStudy(id: string, studyData: GetStudyResponse) {
+  await axiosInstance.put(`/studies/${id}`, studyData);
+}
+
 export interface ITaskInstance {
   _id: string;
   task: string;
@@ -55,4 +62,4 @@ async function getStudy(id: string) {
   return result.data;
 }
 
-export default { getStudies, deleteStudy, getStudy };
+export default { getStudies, deleteStudy, getStudy, saveStudy };
diff --git a/packages/ui/src/pages/StudyBuilderPage/StudyBuilderPage.vue b/packages/ui/src/pages/StudyBuilderPage/StudyBuilderPage.vue
index 966a0de..4599da8 100644
--- a/packages/ui/src/pages/StudyBuilderPage/StudyBuilderPage.vue
+++ b/packages/ui/src/pages/StudyBuilderPage/StudyBuilderPage.vue
@@ -8,6 +8,7 @@ import TaskBank from "./components/TaskBank.vue";
 import AppEditModal from "@/components/ui/AppEditModal.vue";
 import { useTaskEditingStore } from "@/stores/taskEditing";
 import TaskEditingPanel from "./components/TaskEditingPanel.vue";
+import { useStudyBuilderStore } from "@/stores/studyBuilder";
 
 const router = useRouter();
 const authStore = useAuthStore();
@@ -16,12 +17,14 @@ if (!authStore.currentUser) {
   router.push("/login");
 }
 
+const studyBuilderStore = useStudyBuilderStore();
 const taskEditingStore = useTaskEditingStore();
 </script>
 
 <template>
   <!-- This is sort of a hack to delete elements if they are dropped outside of sessions -->
   <Draggable
+    v-loading="studyBuilderStore.isStudySaving"
     class="flex-1 flex overflow-auto"
     ghost-class="hidden"
     :group="{ put: ['taskbar', 'session'] }"
diff --git a/packages/ui/src/pages/StudyBuilderPage/components/StudyPanel.vue b/packages/ui/src/pages/StudyBuilderPage/components/StudyPanel.vue
index 6de647d..822655e 100644
--- a/packages/ui/src/pages/StudyBuilderPage/components/StudyPanel.vue
+++ b/packages/ui/src/pages/StudyBuilderPage/components/StudyPanel.vue
@@ -14,10 +14,6 @@ const draggableProps = {
   handle: ".handle",
   animation: 200,
 };
-
-const saveChanges = () => {
-  console.log("changes saved");
-};
 </script>
 
 <template>
@@ -49,7 +45,7 @@ const saveChanges = () => {
       </div>
       <AppButton
         class="text-base bg-gray-200 border border-black rounded-lg px-5 py-1 h-auto justify-center"
-        @click="saveChanges"
+        @click="studyBuilderStore.saveStudyStore"
       >
         Save Changes
       </AppButton>
diff --git a/packages/ui/src/stores/studyBuilder.ts b/packages/ui/src/stores/studyBuilder.ts
index ba5fb66..f90e740 100644
--- a/packages/ui/src/stores/studyBuilder.ts
+++ b/packages/ui/src/stores/studyBuilder.ts
@@ -5,6 +5,7 @@ import mongoose from "mongoose";
 import studiesAPI from "@/api/studies";
 import tasksAPI from "@/api/tasks";
 import type {
+  GetStudyResponse,
   ICustomizedBattery,
   ISession,
   ITaskInstance,
@@ -20,6 +21,33 @@ export const useStudyBuilderStore = defineStore("studyBuilder", () => {
   const route = useRoute();
   const router = useRouter();
   const queryClient = useQueryClient();
+  const { mutate } = useMutation({
+    mutationFn({
+      studyId,
+      ...studyData
+    }: { studyId: string } & GetStudyResponse) {
+      return studiesAPI.saveStudy(studyId, studyData);
+    },
+    onMutate() {
+      isStudySaving.value = true;
+    },
+    async onSuccess() {
+      ElNotification({
+        title: "Saved!",
+        type: "success",
+      });
+    },
+    onError(err: AxiosError<Error>) {
+      ElNotification({
+        title: "Error saving study",
+        message: err.response?.data.message ?? "",
+        type: "error",
+      });
+    },
+    onSettled() {
+      isStudySaving.value = false;
+    },
+  });
 
   function routeStudyId() {
     if (route.name === "study") {
@@ -28,12 +56,13 @@ export const useStudyBuilderStore = defineStore("studyBuilder", () => {
         return typeof idParam === "string" ? idParam : idParam[0];
       }
     }
-    return undefined;
+    return new mongoose.Types.ObjectId().toString();
   }
 
   const isNewStudy = ref(true);
   const studyId = ref<string>();
   const isStudyLoading = ref(false);
+  const isStudySaving = ref(false);
   const name = ref<string>();
   const description = ref<string>();
   const taskData = ref<Record<string, ICustomizedBattery>>({});
@@ -173,10 +202,22 @@ export const useStudyBuilderStore = defineStore("studyBuilder", () => {
     }
   }
 
+  function saveStudyStore() {
+    if (isStudyLoading.value || isStudySaving.value) return;
+    mutate({
+      studyId: studyId.value!,
+      name: name.value ?? "",
+      description: description.value ?? "",
+      batteries: taskBank.value.map((id) => taskData.value[id]), // TODO: fix this
+      sessions: sessions.value.map((id) => sessionData.value[id]),
+    });
+  }
+
   watch(() => route.params.id, initialize, { immediate: true });
 
   return {
     isStudyLoading,
+    isStudySaving,
     name,
     description,
     taskBank,
@@ -184,6 +225,7 @@ export const useStudyBuilderStore = defineStore("studyBuilder", () => {
     sessions,
     sessionData,
     addSession,
+    saveStudyStore,
     handleChange,
     addTaskInstance,
   };