An Open-Label Study of N-Acetyl Cysteine in Pathological Gambling

Completed · Phase 1

Conditions studied: Pathological Gambling

In brief

After completing all screening evaluations, subjects will receive unblinded N-Acetyl Cysteine 600 mg/day for 2 weeks. The dose will be raised to 1200 mg/day at visit 4 and to 1800 mg/day at visit 6 unless clinical improvement has been attained at a lower dose (clinical improvement will be assessed by the investigator with respect to gambling thoughts, urges and behavior). If it is clinically necessary to modify this schedule (e.g., because of side effects or an adequate response to a lower dose), the dose will be raised more slowly or the target dose will not be reached. Subjects will start no other psychotropic medications during the study but may continue on previously prescribed psychotropic medications if on a stable dose for 3 months prior to study entry. Psychotherapy of any form (including cognitive-behavioral therapy) will not be initiated during the study but subjects may continue with current psychotherapy if they have been undergoing therapy for at least three months prior to study entry. Subjects will be evaluated with the PG-YBOCS, G-SAS, CGI, HAM-D, HAM-A and the Sheehan Disability Inventory at screening and at each visit for the remainder of the study. Medication side effects will be evaluated at each study visit. A tablet count will be kept for each dose of medication taken.

Key facts

Study ID

NCT00273702

Run by

University of Minnesota

People needed

36

Starts

2006-01-01

Expected to finish

2006-09-01

Last updated by the study team

2007-04-30

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Men and women age 18-65
• Current DSM-IV PG

You may not qualify if…

• Unstable medical illness on physical examination
• History of seizures
• Myocardial infarction within 6 months
• Current pregnancy or lactation, or inadequate contraception in women of childbearing potential
• Clinically significant suicidality
• Lifetime history of DSM-IV bipolar disorder type I, dementia, or schizophrenia or any other DSM-IV psychotic disorder
• Current or recent (past 3 months) DSM-IV substance abuse or dependence
• Illegal substance within 2 weeks of study initiation
• Initiation of psychotherapy or behavior therapy from a mental health professional within 3 months prior to study baseline
• Previous treatment with N-Acetyl Cysteine

Where it is running

• University of Minnesota — Minneapolis, Minnesota, United States

Full record on ClinicalTrials.gov

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