diff --git a/app/Models/Enums/UserRole.php b/app/Models/Enums/UserRole.php
index d556cfe..16eb0e9 100644
--- a/app/Models/Enums/UserRole.php
+++ b/app/Models/Enums/UserRole.php
@@ -9,5 +9,6 @@ enum UserRole: int
     case ReferringPhysician = 2;
     case Technician = 3;
     case Radiologist = 4;
+    case Associate = 5;
     case Admin = 99;
 }
diff --git a/app/Models/Study.php b/app/Models/Study.php
index 9dfe971..a315912 100644
--- a/app/Models/Study.php
+++ b/app/Models/Study.php
@@ -11,7 +11,7 @@ class Study extends BaseModel
 {
     protected $casts = [
         'is_locked' => 'boolean',
-        'is_active' => 'boolean',
+        'is_archived' => 'boolean',
         'study_status' => StudyLevelStatus::class,
         'report_status' => ReportStatus::class,
     ];
@@ -35,4 +35,9 @@ public function reports(): HasMany
     {
         return $this->hasMany(StudyReport::class);
     }
+
+    public function shares(): HasMany
+    {
+        return $this->hasMany(SharedStudy::class);
+    }
 }
diff --git a/app/Services/Pacs/StudyImporter.php b/app/Services/Pacs/StudyImporter.php
index bf0dba7..88552e0 100644
--- a/app/Services/Pacs/StudyImporter.php
+++ b/app/Services/Pacs/StudyImporter.php
@@ -182,15 +182,18 @@ private function updateStudy(int $row_id, mixed $study): void
     {
         $payload = $this->prepareData($study);
         unset($payload['study']['orthanc_uid']);
+        $payload['study']['updated_at'] = now();
         DB::table('studies')->where('id', $row_id)->update($payload['study']);
 
         if (! empty($payload['details'])) {
+            $payload['details']['updated_at'] = now();
             DB::table('study_details')->where('study_id', $row_id)->update($payload['details']);
         }
 
         foreach ($payload['series'] as $series) {
             $series_guid = $series['orthanc_uid'];
             unset($series['orthanc_uid']);
+            $series['updated_at'] = now();
             DB::table('study_series')->where('orthanc_uid', $series_guid)->update($series);
         }
     }
@@ -204,6 +207,7 @@ private function insertStudy(mixed $study): void
 
         foreach ($payload['series'] as $series) {
             $series['study_id'] = $row->id;
+            $series['created_at'] = now();
             DB::table('study_series')->insert($series);
         }
     }
diff --git a/database/migrations/0001_01_01_000000_create_users_table.php b/database/migrations/0001_01_01_000000_create_users_table.php
index b20e390..1ff4679 100644
--- a/database/migrations/0001_01_01_000000_create_users_table.php
+++ b/database/migrations/0001_01_01_000000_create_users_table.php
@@ -15,10 +15,13 @@ public function up(): void
     {
         Schema::create('users', function (Blueprint $table) {
             $table->id();
-            $table->string('name');
+            $table->boolean('is_active')->default(true);
+            $table->string('first_name');
+            $table->string('last_name')->nullable();
+            $table->string('display_name');
             $table->string('username')->unique();
-            $table->string('email')->nullable()->index();
             $table->string('phone')->nullable()->index();
+            $table->string('email')->nullable()->index();
             $table->timestamp('email_verified_at')->nullable();
             $table->string('password');
             $table->rememberToken();
diff --git a/database/migrations/2024_12_27_060234_create_studies_table.php b/database/migrations/2024_12_27_060234_create_studies_table.php
index 9298550..e94858a 100644
--- a/database/migrations/2024_12_27_060234_create_studies_table.php
+++ b/database/migrations/2024_12_27_060234_create_studies_table.php
@@ -15,8 +15,8 @@ public function up(): void
         Schema::create('studies', function (Blueprint $table) {
             $table->id();
             $table->string('orthanc_uid')->unique();
-            $table->boolean('is_active')->default(true);
-            $table->boolean('is_locked')->default(true);
+            $table->boolean('is_archived')->default(false);
+            $table->boolean('is_locked')->default(false);
             $table->unsignedTinyInteger('study_priority')->default(0);
             $table->string('patient_id')->nullable();
             $table->string('patient_uid')->nullable();
diff --git a/database/migrations/2024_12_30_144956_create_shared_studies_table.php b/database/migrations/2024_12_30_144956_create_shared_studies_table.php
index f2f2147..bd5fb77 100644
--- a/database/migrations/2024_12_30_144956_create_shared_studies_table.php
+++ b/database/migrations/2024_12_30_144956_create_shared_studies_table.php
@@ -16,6 +16,9 @@ public function up(): void
             $table->foreignId('sender_id')->nullable()->constrained('users')->nullOnDelete();
             $table->unsignedTinyInteger('access_flags')->default(StudyAccessFlags::Forbidden->value);
             $table->string('access_password')->nullable();
+            $table->string('patient_name')->nullable();
+            $table->string('study_description')->nullable();
+            $table->dateTime('study_date')->nullable();
             $table->dateTime('expires_at')->nullable();
             $table->string('remarks')->nullable();
             $table->timestamps();