Research recommendation(s) from an individual piece of guidance Guidance: Endovascular stent insertion for intracranial atherosclerotic disease Date issued: 23 July 2012 Research recommendations coming out of this guidance Endovascular stent insertion for intracranial atherosclerotic disease should only be used in the context of research. Research should clearly define patient selection and be designed to provide outcome data based on follow-up of at least 2 years.