Methadone tolerance testing in drug misusers

The model of methadone tolerance testing Bakker and Fazey describe is not the solution to this problem.1 They make the assumption that low mean maintenance doses of methadone are a consequence of low starting doses, which are separate issues. The model of induction into methadone treatment recommended in the national clinical guidelines for the management of drug dependence allows for the attainment of adequate optimised maintenance doses. …