Status:

COMPLETED

Psychopharmacotherapy in Multiple Substances Abuse

Lead Sponsor:

National Cheng-Kung University Hospital

Collaborating Sponsors:

National Institutes of Health (NIH)

Conditions:

Substance Abuse

Eligibility:

All Genders

18-65 years

Phase:

PHASE3

Brief Summary

Add-on of memantine or placebo treatment will proceed in a double-blinded fashion for 12 weeks after adjusted methadone dose. During the study, the investigators will evaluate treatment response and a...

Detailed Description

Opioid dependence is currently a severe problem for public health and social security. Methadone maintenance therapy may decrease the criminal rate and increase the quality of life for individuals wit...

Eligibility Criteria

Inclusion

  • Male or female patient aged ≧18 and ≦65 years.
  • A diagnosis of opioid abuse/dependence according to DSM-IV criteria made by a specialist in psychiatry.
  • A diagnosis of multiple drug abuse/dependence according to DSM-IV criteria made by a specialist in psychiatry.
  • Signed informed consent by patient or legal representative
  • Patient or a reliable caregiver can be expected to ensure acceptable compliance and visit attendance for the duration of the study.

Exclusion

  • Women of childbearing potential not using adequate contraception as per investigator judgment or not willing to comply with contraception for duration of study.
  • Females who are pregnant or nursing.
  • Patients were diagnosed as other mental illness according to DMS-IV, except Major Depressive Disorder
  • Patient has received dextromethorphan, or other selective cyclo- oxygenase 2 (Cox-2) inhibitors, or other anti-inflammatory medication within 1 week prior to first dose of double-blind medication.
  • Current evidence of an uncontrolled and/or clinically significant medical condition (e.g., cardiac, hepatic and renal failure), which in the judgments of the investigator, would compromise patient safety or preclude study participation.
  • History of intolerance to valproate or memantine or other Cox-2 inhibitors.
  • History of sensitivity reaction (e.g., urticaria, angioedema, bronchospasm, severe rhinitis, anaphylactic shock) precipitated by memantine.
  • Patient has received electroconvulsive therapy (ECT) within 4 weeks prior to first dose of doubleblind medication.
  • Diagnosis of or treatment for esophageal, gastric, pyloric channel, or duodenal ulceration or related complications (bleeding and/or perforation) within 30 days prior to receiving first dose of double-blind medication.
  • Inclusion in another study of opioid dependence or study for another indication with psychotropic's within the last 30 days prior to start of study.
  • Increase in total SGOT, SGPT, BUN and creatinine by more than 3X ULN (upper limit of normal).
  • History of idiopathic or drug-induced agranulocytosis.
  • Substance-related disorders within 6 months prior to study start, borderline personality disorder, schizophrenia, or other major psychiatric disorders as defined by DSM-IV criteria.

Key Trial Info

Start Date :

March 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 1 2011

Estimated Enrollment :

200 Patients enrolled

Trial Details

Trial ID

NCT01189214

Start Date

March 1 2009

End Date

June 1 2011

Last Update

February 28 2013

Active Locations (1)

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Ru-Band Lu

Tainan, Taiwan, 704