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Study to Evaluate the Abuse Potential of AZD7325 in Healthy Recreational Central Nervous System (CNS) Depressant Users

This study has been completed.
Information provided by:
AstraZeneca Identifier:
First received: May 12, 2009
Last updated: September 22, 2009
Last verified: September 2009
The purpose of this study is to examine the abuse potential of AZD7325.

Condition Intervention Phase
Recreational CNS Depressant Use Drug: Lorazepam Drug: AZD7325 Drug: Placebo Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double (Participant, Investigator)
Official Title: A Single-Centre, Single-Dose, Double-Blind, Randomized, Placebo- and Active-Controlled Crossover Study to Evaluate the AbusePotential of AZD7325 in Healthy Recreational CNS Depressant Users

Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • Visual Analog Scales [ Time Frame: Daily during Visit 2 through 9 ]

Secondary Outcome Measures:
  • Columbia Suicide-Severity Rating Scale [ Time Frame: Prior to each treatment period ]

Estimated Enrollment: 100
Study Start Date: May 2009
Study Completion Date: September 2009
Arms Assigned Interventions
Placebo Comparator: A
Drug: Placebo
Active Comparator: B
Drug: Lorazepam
mg, oral dose
Active Comparator: C
Drug: Lorazepam
mg, oral dose
Active Comparator: D
Drug: Lorazepam
mg, oral dose
Experimental: E
Drug: AZD7325
mg, oral dose
Experimental: F
Drug: AZD7325
mg, oral dose
Experimental: G
Drug: AZD7325
mg, oral dose


Ages Eligible for Study:   18 Months to 55 Years   (Child, Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Recreational CNS depressant use, defined as at least 10 lifetime occasions of non-medical use of drugs with depressant/sedative properties and at least 1 non-medical use in the year prior to screening
  • Body mass index (BMI) within the range of 19.0 to 33.0 kg/m2, inclusive, and a minimum weight of 50.0 kg at screening
  • Willing and able to abide by all study requirements and restrictions

Exclusion Criteria:

  • Unwillingness of inability to abstain from recreational drug use for the duration of the study from screening until follow-up
  • Positive breath alcohol test prior to dosing
  • Clinically significant abnormalities on physical examination, medical history, 12-lead ECG, vital signs, or safety laboratories
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00902772

Canada, Ontario
Research Site
Toronto, Ontario, Canada
Sponsors and Collaborators
Principal Investigator: Myroslava K Romach, MD Kendle Early Stage - Toronto
  More Information

Responsible Party: MSD, AstraZeneca Identifier: NCT00902772     History of Changes
Other Study ID Numbers: D1140C00008
Study First Received: May 12, 2009
Last Updated: September 22, 2009

Keywords provided by AstraZeneca:
Recreational CNS depressant
Abuse liability
Abuse potential
Healthy Recreational CNS Depressant Users

Additional relevant MeSH terms:
Central Nervous System Depressants
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Gastrointestinal Agents
Hypnotics and Sedatives
Anti-Anxiety Agents
Tranquilizing Agents
Psychotropic Drugs
GABA Modulators
GABA Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action processed this record on September 21, 2017