Research has shown that sustained-release (SR) dexamphetamine is a promising agonist treatment for cocaine dependence. However, little is known about the pharmacokinetics (PKs) of SR oral dexamphetamine. This study examined the PKs of a new SR dexamphetamine formulation in cocaine plus heroin-dependent patients currently in heroin-assisted treatment.. SSSFT staff can use the OVID link, or you can request a copy of this article by replying to this email. Please ensure you are clear which article you are requesting.