Open-Label Pilot Study to Examine the Value of Substituting Quetiapine for Benzodiazepines

Stopped early · Phase 4

Conditions studied: Major Depression, Generalized Anxiety Disorder

In brief

The hypothesis of this study is that symptoms of anxiety, depression and insomnia; and indices of psychosocial function will all improve, while BZ use will decrease significantly during a twelve-week trial period of substituting quetiapine for benzodiazepines.

Key facts

Study ID

NCT01244711

Run by

Weill Medical College of Cornell University

People needed

1

Starts

2008-09-01

Expected to finish

2011-09-01

Last updated by the study team

2015-04-03

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• For inclusion in the study subjects must fulfil all of the following criteria:
• Provision of written informed consent
• A diagnosis of a current major depressive episode (n =20) or generalized anxiety disorder (n = 20) of at least 4 weeks duration, as defined by Diagnostic and Statistical Manual of Mental Disorders- Fourth Edition (DSM-IV) and assessed on the SCID. Subjects may be included if they meet criteria for double depression, i.e., current major depression with antecedent dysthymic disorder, major depression in partial remission or bipolar depression. MDD subjects must have a 24 item Hamilton Depression Rating Scale Score (HAM-D) at intake >/= 20. GAD subjects must have a Hamilton Anxiety Rating Scale Score (HAM-A) at intake >/= 20. Patients who meet criteria for current GAD only during a current episode of MDD will be considered to have MDD, according to DSM-IV convention.
• Females and/or males aged 18-65 years
• Female patients of childbearing potential must be using a reliable method of contraception and have a negative urine human chorionic gonadotropin (HCG) test at enrolment
• Able to understand and comply with the requirements of the study
• All subjects must report BZ use more days than not persistent for more than 6 months and a stable regimen of mood stabilizers and/or antidepressant medication for at least 8 weeks.

You may not qualify if…

• Any of the following is regarded as a criterion for exclusion from the study:
• Pregnancy or lactation
• Any DSM-IV Axis I disorder not defined in the inclusion criteria
• Axis II diagnosis of antisocial, schizotypal or severe borderline personality disorder(defined as patients who are high risk for being unable to complete the study due to hospitalization, suicide attempts, significant self-mutilation, or other self-injurious or destructive behavior).
• Patients who, in the opinion of the investigator, pose an imminent risk of suicide or a danger to self or others
• Known intolerance or lack of response to quetiapine fumarate as judged by the investigator
• Use of any of the following cytochrome P450 3A4 inhibitors in the 14 days preceding enrolment including but not limited to: ketoconazole, itraconazole, fluconazole, erythromycin, clarithromycin, troleandomycin, indinavir, nelfinavir, ritonavir, fluvoxamine and saquinavir
• Use of any of the following cytochrome P450 inducers in the 14 days preceding enrollment including but not limited to: phenytoin, carbamazepine, barbiturates, rifampin, St. John's Wort, and glucocorticoids
• Administration of a depot antipsychotic injection within one dosing interval (for the depot) before randomisation
• Substance or alcohol dependence at enrolment (except dependence in full remission, and except for caffeine or nicotine dependence), as defined by DSM-IV criteria
• Opiates, amphetamine, barbiturate, cocaine, cannabis, or hallucinogen abuse by DSM-IV criteria within 4 weeks prior to enrolment
• Medical conditions that would affect absorption, distribution, metabolism, or excretion of study treatment
• Unstable or inadequately treated medical illness (e.g. diabetes, angina pectoris, hypertension) as judged by the investigator
• Involvement in the planning and conduct of the study
• Previous enrolment or randomisation of treatment in the present study.
• Participation in another drug trial within 4 weeks prior enrolment into this study or longer in accordance with local requirements

Where it is running

• Weill Cornell Medical College — New York, New York, United States

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.