diff --git a/lib/api/api_consultas/studies.ex b/lib/api/api_consultas/studies.ex
index 137033b..0ad8604 100644
--- a/lib/api/api_consultas/studies.ex
+++ b/lib/api/api_consultas/studies.ex
@@ -1,6 +1,7 @@
 defmodule Api.Studies do
   import Ecto.Query
   alias Api.Repo
+  require Logger
 
   def studies_sql_query(filters) do
     customfilter =
@@ -9,7 +10,8 @@ defmodule Api.Studies do
         "" -> dynamic([_], true)
         expr ->
           case ExpressionParser.parse(expr) do
-            {:ok, ast} -> ExpressionToEcto.to_dynamic(ast)
+            {:ok, ast} ->
+            ExpressionToEcto.to_dynamic(ast)
             {:error, _reason} -> raise "Error al parsear customfilter"
           end
       end
@@ -18,7 +20,9 @@ defmodule Api.Studies do
     size = filters["size"] || 24
 
     filter = filters["filter"] || []
-    sort = filters["sort"] || [%{"dir" => "desc", "field" => "studydate"}]
+    sort = filters["sort"] || [%{"dir" => "desc", "field" => "idstudy"}]
+
+    Logger.info("sort -> #{inspect(sort)}")
 
     # Construcción de condiciones de filtro dinámicas
     filter_conditions =
@@ -91,6 +95,8 @@ defmodule Api.Studies do
         {direction, field}
       end)
 
+    Logger.info("sort_conditions --> #{inspect(sort_conditions)}")
+
     combined_filter =
       dynamic([q], ^filter_conditions and ^customfilter)
 
diff --git a/lib/api/emailsender/contexts/emailstosendcontext.ex b/lib/api/emailsender/contexts/emailstosendcontext.ex
index 9a95cac..152a1c9 100644
--- a/lib/api/emailsender/contexts/emailstosendcontext.ex
+++ b/lib/api/emailsender/contexts/emailstosendcontext.ex
@@ -141,7 +141,7 @@ defmodule Api.EmailToSendContext do
   end
 
   def get_next_email() do
-      one_day_ago = NaiveDateTime.utc_now() |> NaiveDateTime.add(-86400, :second)
+      # one_day_ago = NaiveDateTime.utc_now() |> NaiveDateTime.add(-86400, :second)
 
       from(
         e in Emailtosend,
@@ -161,8 +161,8 @@ defmodule Api.EmailToSendContext do
                 e.hasreport == true and
                 e.sent != true and
                 e.retries < 10
-               )
-              and e.registered >= ^one_day_ago,
+               ),
+              # and e.registered >= ^one_day_ago,
         limit: 1,
         select: %{
 	         idemailtosend: e.idemailtosend,
diff --git a/lib/api/parser/expression_to_ecto.ex b/lib/api/parser/expression_to_ecto.ex
index 4618f82..680a8cb 100644
--- a/lib/api/parser/expression_to_ecto.ex
+++ b/lib/api/parser/expression_to_ecto.ex
@@ -48,11 +48,20 @@ defmodule ExpressionToEcto do
   end
 
   # IN
-  defp build_dynamic({:comparison, [{:field, field}, :in, {:list, vals}]}) do
+  defp build_dynamic({:comparison, [{:field, field}, :in, {:list, vals}]}) when is_list(vals) do
     field_atom = String.to_atom(field)
-    dynamic([q], field(q, ^field_atom) in ^vals)
+
+    parsed_vals =
+      Enum.map(vals, fn
+        {:string, val} -> val
+        {:number, val} -> val
+        other -> raise "Tipo de dato no soportado en IN: #{inspect(other)}"
+      end)
+
+    dynamic([q], field(q, ^field_atom) in ^parsed_vals)
   end
 
+
   defp build_dynamic(other) do
     raise "AST no soportado o mal formado: #{inspect(other)}"
   end