The 20th International Congress of Therapeutic Drug Monitoring & Clinical Toxicology (IATDMCT 2022) will be held from Sunday 18th to Wednesday 21st September 2022 in Prague, Czech Republic. IATDMCT 2022 will be the 20th opportunity for experts in Therapeutic Drug Monitoring and Clinical Toxicology from the whole world to meet and shape the future of our field. The theme of the congress is Bridging the Troubled Waters.