diff --git a/app/DAL/Studies.php b/app/DAL/Studies.php
index 09ebad6..5ba6751 100644
--- a/app/DAL/Studies.php
+++ b/app/DAL/Studies.php
@@ -2,11 +2,12 @@
 
 namespace App\DAL;
 
+use App\Models\Enums\ReportStatus;
 use App\Models\Study;
 use Cache;
 use DB;
+use Illuminate\Contracts\Pagination\LengthAwarePaginator;
 use Illuminate\Database\Query\Builder;
-use Illuminate\Support\Collection;
 
 final readonly class Studies
 {
@@ -19,7 +20,7 @@ public static function getStudyIdByOrthancUuid(string $orthanc_uuid): ?int
                 ->value('id'));
     }
 
-    private static function assignedQuery(?int $user_id = null): Builder
+    private static function assignedStudiesQuery(?int $user_id = null): Builder
     {
         $user_id = (int) ($user_id ?? auth()->id());
 
@@ -29,41 +30,59 @@ private static function assignedQuery(?int $user_id = null): Builder
             ->orderBy('received_at', 'asc');
     }
 
-    public static function getAllAssignedStudies(?int $user_id = null): Collection
+    public static function getAllAssignedStudies(?int $user_id = null): LengthAwarePaginator
     {
-        $user_id = (int) ($user_id ?? auth()->id());
-        $per_page = settings()->get("user.{$user_id}.pagination.per_page", config('app.pagination.per_page'));
-
-        return Study::active()
-            ->where('assigned_physician_id', $user_id)
-            ->orderBy('study_priority', 'desc')
-            ->orderBy('received_at', 'asc')
-            ->paginate($per_page);
+        return self::assignedStudiesQuery($user_id)
+            ->paginate(user_per_page());
     }
 
-    public static function getPendingAssignedStudies(?int $user_id = null): Collection
+    public static function getPendingAssignedStudies(?int $user_id = null): LengthAwarePaginator
     {
-        $user_id = (int) ($user_id ?? auth()->id());
-        $per_page = settings()->get("user.{$user_id}.pagination.per_page", config('app.pagination.per_page'));
-
-        return Study::active()
-            ->where('assigned_physician_id', $user_id)
+        return self::assignedStudiesQuery($user_id)
             ->where('report_status', '<', ReportStatus::Finalized->value)
-            ->orderBy('study_priority', 'desc')
-            ->orderBy('received_at', 'asc')
-            ->paginate($per_page);
+            ->paginate(user_per_page());
     }
 
-    public static function getCompletedAssignedStudies(?int $user_id = null): Collection
+    public static function getCompletedAssignedStudies(?int $user_id = null): LengthAwarePaginator
     {
-        $user_id = (int) ($user_id ?? auth()->id());
-        $per_page = settings()->get("user.{$user_id}.pagination.per_page", config('app.pagination.per_page'));
-
-        return Study::active()
-            ->where('assigned_physician_id', $user_id)
+        return self::assignedStudiesQuery($user_id)
             ->where('report_status', '=', ReportStatus::Signed->value)
+            ->paginate(user_per_page());
+    }
+
+    private static function institutedStudiesQuery(): Builder
+    {
+        $query = Study::active();
+        $facility_id = auth()->user()->facility_id;
+        if ($facility_id) {
+            $query = $query->where('facility_id', $facility_id);
+        } else {
+            $institute_id = auth()->user()->institute_id;
+            $query = $query->where('institute_id', $institute_id);
+        }
+
+        return $query
             ->orderBy('study_priority', 'desc')
-            ->orderBy('received_at', 'asc')
-            ->paginate($per_page);
+            ->orderBy('received_at', 'asc');
+    }
+
+    public static function getAllInstituteStudies(?int $user_id = null): LengthAwarePaginator
+    {
+        return self::institutedStudiesQuery($user_id)
+            ->paginate(user_per_page());
+    }
+
+    public static function getPendingInstituteStudies(?int $user_id = null): LengthAwarePaginator
+    {
+        return self::institutedStudiesQuery($user_id)
+            ->where('report_status', '<', ReportStatus::Finalized->value)
+            ->paginate(user_per_page());
+    }
+
+    public static function getCompletedInstituteStudies(?int $user_id = null): LengthAwarePaginator
+    {
+        return self::institutedStudiesQuery($user_id)
+            ->where('report_status', '=', ReportStatus::Signed->value)
+            ->paginate(user_per_page());
     }
 }
diff --git a/app/helpers.php b/app/helpers.php
index ecf7adc..8a2d971 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -38,3 +38,12 @@ function sync_agent_id(): int
             fn () => User::where('username', '$$_pacs_sync_$$')->first()->id);
     }
 }
+
+if (! function_exists('user_per_page')) {
+    function user_per_page(?int $user_id = null): int
+    {
+        $user_id = (int) ($user_id ?? auth()->id());
+
+        return settings()->get("user.{$user_id}.pagination.per_page", config('app.pagination.per_page'));
+    }
+}