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Abstinence incentives improve stimulant abusers’ compliance with community-based psychosocial treatments

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Q Does the addition of incentives contingent on abstinence improve outcomes for community-based, psychosocial treatments for drug dependence?


Embedded ImageDesign:

Multicentre randomised controlled trial.

Embedded ImageAllocation:


Embedded ImageBlinding:


Embedded ImageFollow up period:

Twelve weeks.

Embedded ImageSetting:

Eight community based outpatient clinics, USA; enrolment 2001 to 2003.

Embedded ImagePatients:

445 outpatient currently using stimulants (cocaine, amphetamine, or methamphetamine), with self-reported or urine sample proven stimulant use in the two weeks after study entry. 30 participants were excluded from analysis for not meeting inclusion criteria.

Embedded ImageIntervention:

All participants received standard care, as well as urine tests once to twice a week for up to 24 tests. …

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  • For correspondence: Nancy M Petry, PhD, Department of Psychiatry, University of Connecticut Health Center, 263 Farmington Ave, Farmington, CT 06030-3944, USA; petry{at}

  • Source of funding: Grant from the National Institute on Drug Abuse Clinical Trials Network

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