@KOMPELLAS  what is the outcome the business is trying to achieve? 

OOTB Pega case management provides only 3 possibilities:

• Case View
• Case View with +
  • Confirmation View and/OR
  • Get Next Work

I believe the only way to achieve this would be to extend the Constellation UI using SDK. I'm not even sure this could be achieved with DX Components. Happy to be corrected if someone has found and OOTB way to do this.

Possible OOTB alternatives 

• IF there is something in that landing page the business user is after, like an insight or list view, you could put these in the Full Case Page to help them find what they need to do next?
• Your currently working within the Full Case Page on the case and trying to navigate back. There are other OOTB working modes, where you don't navigate to full case page but rather stay in your context and work on the case. In this way, they would stay on the desired landing page they want.
  • This might better achieve the business outcome desired, with the Preview Panel