“…Researchers around the world are developing and studying various forms of polymer carriers of antitumor drugs. These are polymer nanogels capable of reversibly reacting to small external influences, liposomes [3], nanocrystals [4], nanoparticles [1,[5][6][7], cocrystals [8] polymeric complexes [9], polymeric conjugates [10], micelles of amphiphilic polymers, etc.…”