Pill-testing plan to stop ‘horror’ of teenagers overdosing: Premier Jun 16, 2024 Dr David Caldicott, an emergency department consultant and clinical lead with Pill Testing Australia, said festival-goers often changed their behaviour once they had their drugs tested. Caldicott said the Victorian drug-checking proposal was timely because nitazenes – a new group of dangerous synthetic opioids more potent than fentanyl – had been found in pills tested in the ACT this year. “There’s always another drug coming through, that’s part of the problem,” he said.