diff --git a/IRaCIS.Core.Application/Service/Visit/DTO/PatientViewModel.cs b/IRaCIS.Core.Application/Service/Visit/DTO/PatientViewModel.cs
index 0c3c515f8..3c257e873 100644
--- a/IRaCIS.Core.Application/Service/Visit/DTO/PatientViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Visit/DTO/PatientViewModel.cs
@@ -222,6 +222,9 @@ namespace IRaCIS.Application.Contracts
 
     public class PatientTrialQuery : PageInput
     {
+        [NotDefault]
+        public Guid TrialId { get; set; }
+
         public string? PatientIdStr { get; set; }
         public string? PatientName { get; set; }
         //public List<string> CalledAEList { get; set; } = new List<string>();
diff --git a/IRaCIS.Core.Application/Service/Visit/PatientService.cs b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
index 1f0468c0e..572ffef2b 100644
--- a/IRaCIS.Core.Application/Service/Visit/PatientService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/PatientService.cs
@@ -106,7 +106,7 @@ namespace IRaCIS.Application.Services
 
 
             #region new ok
-            var query = _patientRepository
+            var query = _patientRepository.Where(t=>t.TrialId==inQuery.TrialId)
              .WhereIf(!string.IsNullOrWhiteSpace(inQuery.PatientIdStr), t => t.PatientIdStr.Contains(inQuery.PatientIdStr))
              .WhereIf(!string.IsNullOrWhiteSpace(inQuery.PatientName), t => t.PatientName.Contains(inQuery.PatientName))
               .WhereIf(!string.IsNullOrWhiteSpace(inQuery.SubejctCode), t => t.Subject.Code.Contains(inQuery.SubejctCode))