I was in a stock last summer MBRX Moleculin Biotech that was also looking at a 2-DG treatment for Covid19.
They have a Prodrug called WP1122 that is a precursor to 2-DG and this supposedly enables it to stay in the body longer and be absorbed more completely. It was developed for applications in Cancer at MD Anderson.
They are planning a Phase 1 trial with the MHRA this summer. So they are pretty far out in the Trial stage.
Their in-vitro studies were showing a very high blockage rate ( 100% ) for Covid cell replication.
They theorize this process will work with all Corona Viruses, Rhinovirus, Herpes Virus. If true, they have a cure for the common cold.