Safety and Efficacy Trial of Olanzapine in Outpatients With Pathological Gambling

NCT ID: NCT00438776

Last Updated: 2011-12-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

42 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-02-28

Study Completion Date

2009-03-31

Brief Summary

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The purpose of this research study is to evaluate the efficacy (effectiveness) and safety of olanzapine in treating pathological gambling.

Detailed Description

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Conditions

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Pathological Gambling

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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olanzapine

active zyprexa (olanzapine)

Group Type ACTIVE_COMPARATOR

olanzapine

Intervention Type DRUG

2.5mg to 15mg daily

sugar pill

Placebo (fake pill)

Group Type PLACEBO_COMPARATOR

sugar pill

Intervention Type DRUG

matching placebo to olanzapine

Interventions

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olanzapine

2.5mg to 15mg daily

Intervention Type DRUG

sugar pill

matching placebo to olanzapine

Intervention Type DRUG

Other Intervention Names

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zyprexa fake pill

Eligibility Criteria

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Inclusion Criteria

1. Male and female outpatients aged 18- 75 years of age.
2. Patients will have problematic gambling behavior of at least 6 months duration that meets the DSM-IV definition of pathological gambling and a South Oaks Gambling Screen Score greater than 5.
3. All patients will have a complete medical and psychiatric history, physical examination, laboratories, and ECG before study entry.
4. Baseline laboratory values and ECG must be normal, or abnormalities must be clinically insignificant.
5. Patients will not have received any psychotropic medication for at least one week prior to the first study visit.

Exclusion Criteria

1. Patients who have any significant and/or unstable gastrointestinal, neurological, endocrine, cardiovascular, pulmonary, renal, hepatic, immunological or hematological disease; organic brain disease; or cancer as determined by history, physical, ECG, and laboratory examination.
2. Patients who are pregnant, intending to become pregnant, nursing, at risk for pregnancy, or not practicing medically acceptable birth control. (A blood pregnancy test will be performed at the screening visit).
3. Patients who have ever had psychotic symptoms, who have ever met DSM-IV criteria for a manic episode (i.e., have bipolar I disorder), or who have met criteria for DSM-IV psychoactive substance dependence in the past 1 month.
4. Patients who meet DSM-IV criteria for antisocial or borderline personality disorder.
5. Patients who use any medications which, in the judgment of the investigator, might have psychotropic effects, or interact unfavorably with olanzapine. For example, patients taking diet pills or stimulants will not be enrolled.
6. Patients who have taken any psychiatric medication within 7 days prior to the screening assessment.
7. Patients who have a history of hypersensitivity to olanzapine.
8. Patients who display clinically significant suicidal ideation.
9. Patients who have recently (within the past 3 months) begun any type of non-pharmacologic treatment for pathological gambling (including psychotherapy, behavior therapy, group therapy, or family therapy). This does not exclude participation in support groups (e.g., Gamblers Anonymous.) Patients who have been involved in long-standing psychological therapies (e.g., psychotherapy for at least the last 3 months) will be permitted to continue in that therapy provided that no new therapeutic technique or increase in frequency of psychotherapy occurs concurrent with the study.
10. Patients who exhibit or suggest that they may display behavior that will not be conducive to the study procedures.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eli Lilly and Company

INDUSTRY

Sponsor Role collaborator

University of Cincinnati

OTHER

Sponsor Role collaborator

Lindner Center of HOPE

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Susan L McElroy, MD

Role: PRINCIPAL_INVESTIGATOR

University of Cincinnati

Locations

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University of Cincinnati Medical Center

Cincinnati, Ohio, United States

Site Status

Countries

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United States

References

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McElroy SL, Nelson EB, Welge JA, Kaehler L, Keck PE Jr. Olanzapine in the treatment of pathological gambling: a negative randomized placebo-controlled trial. J Clin Psychiatry. 2008 Mar;69(3):433-40. doi: 10.4088/jcp.v69n0314.

Reference Type RESULT
PMID: 18251624 (View on PubMed)

Other Identifiers

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F1D-US-X165

Identifier Type: -

Identifier Source: org_study_id