MTOR and COVID-19: In addition, a number of other mTOR inhibitors, such as metformin (targets AMPK to indirectly inhibit mTOR), everolimus (inhibits mTORC1), RTB101 (inhibits mTORC), sapanisertib (inhibits mTORC1 and mTORC2), and PP‐242 (inhibits mTORC1 and mTORC2), have also been included as candidates for COVID‐19 treatment (reviewed in Refs.