Generalized Anxiety Disorder Clinical Trial
Official title:
An Open-label Pilot Study to Examine the Value of Substituting Quetiapine for Benzodiazepines in Treatment-refractory Patients With Unipolar Depression or Generalized Anxiety Disorder and Chronic Benzodiazepine Use
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.
Status | Terminated |
Enrollment | 1 |
Est. completion date | September 2011 |
Est. primary completion date | September 2011 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 65 Years |
Eligibility |
Inclusion Criteria: For inclusion in the study subjects must fulfil all of the following criteria: 1. Provision of written informed consent 2. 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. 3. Females and/or males aged 18-65 years 4. 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 5. Able to understand and comply with the requirements of the study 6. 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. Exclusion Criteria: - Any of the following is regarded as a criterion for exclusion from the study: 1. Pregnancy or lactation 2. Any DSM-IV Axis I disorder not defined in the inclusion criteria 3. 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). 4. Patients who, in the opinion of the investigator, pose an imminent risk of suicide or a danger to self or others 5. Known intolerance or lack of response to quetiapine fumarate as judged by the investigator 6. 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 7. 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 8. Administration of a depot antipsychotic injection within one dosing interval (for the depot) before randomisation 9. Substance or alcohol dependence at enrolment (except dependence in full remission, and except for caffeine or nicotine dependence), as defined by DSM-IV criteria 10. Opiates, amphetamine, barbiturate, cocaine, cannabis, or hallucinogen abuse by DSM-IV criteria within 4 weeks prior to enrolment 11. Medical conditions that would affect absorption, distribution, metabolism, or excretion of study treatment 12. Unstable or inadequately treated medical illness (e.g. diabetes, angina pectoris, hypertension) as judged by the investigator 13. Involvement in the planning and conduct of the study 14. Previous enrolment or randomisation of treatment in the present study. 15. Participation in another drug trial within 4 weeks prior enrolment into this study or longer in accordance with local requirements |
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | Weill Cornell Medical College | New York | New York |
Lead Sponsor | Collaborator |
---|---|
Weill Medical College of Cornell University | AstraZeneca |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Montgomery Asberg Depression Rating Scale (MADRS) | For MDD: The primary efficacy measures will be change from baseline to endpoint in the MADRS and the change in mean daily benzodiazepine dose in diazepam equivalents during the past week. Range is 0 (least severe) to 50 (most severe). | 12 weeks | No |
Status | Clinical Trial | Phase | |
---|---|---|---|
Terminated |
NCT03420456 -
Transcranial Pulse Near-Infrared Light in Generalized Anxiety Disorder: a Placebo-Controlled Study
|
N/A | |
Active, not recruiting |
NCT05530642 -
An Augmented Training Program for Preventing Post-Traumatic Stress Injuries Among Diverse Public Safety Personnel
|
N/A | |
Withdrawn |
NCT02382224 -
Worry Exposure for Generalized Anxiety Disorder
|
N/A | |
Completed |
NCT02256566 -
Cognitive Training for Mood and Anxiety Disorders
|
N/A | |
Completed |
NCT02306356 -
Internet-delivered Treatment for Children With Anxiety Disorders in a Rural Area; an Open Trial in a Clinical Setting
|
N/A | |
Completed |
NCT01958788 -
Testing Beliefs About Uncertainty in the Treatment of Generalized Anxiety Disorder
|
N/A | |
Completed |
NCT01681329 -
Cognitive-Behavioral Treatment and Interpretation Modification Training for Adults With Generalized Anxiety Disorder
|
N/A | |
Completed |
NCT01342120 -
PHARMO Institute Seroquel Safety Study
|
N/A | |
Completed |
NCT01337713 -
Efficacy of Massage Therapy in the Treatment of Generalized Anxiety Disorder (GAD)
|
N/A | |
Completed |
NCT01201967 -
A Collaborative Care Program to Improve Treatment of Depression and Anxiety Disorders in Cardiac Patients
|
Phase 4 | |
Completed |
NCT01203293 -
Cognitive Behavioral Therapy (CBT) for Latinos With Generalized Anxiety Disorder in the General Medical Sector
|
Phase 1 | |
Completed |
NCT01971203 -
Efficacy of Extended-release Quetiapine (Seroquel XR) as Adjunctive Therapy to Cognitive Behavioral Therapy in the Treat
|
N/A | |
Completed |
NCT00961298 -
An Open Label Trial of Duloxetine in the Treatment of Irritable Bowel Syndrome and Comorbid Generalized Anxiety Disorder
|
Phase 4 | |
Completed |
NCT00744627 -
Efficacy and Safety of Vortioxetine (Lu AA21004) for Treatment of Generalized Anxiety Disorder in Adults.
|
Phase 3 | |
Completed |
NCT00711737 -
Study of the Changes in Metabolic Parameters in Patients Treated With Escitalopram for Six Months
|
N/A | |
Completed |
NCT00515242 -
Therapeutic Massage for Generalized Anxiety Disorder
|
Phase 1/Phase 2 | |
Completed |
NCT00525226 -
Evaluating the Effects of Stress in Pregnancy
|
N/A | |
Completed |
NCT00537615 -
An Open-label Study to Investigate the Absorption, Metabolism and Excretion of Radiolabeled PD 0332334 in Six Healthy Male Volunteers
|
Phase 1 | |
Completed |
NCT00620776 -
Combined Treatment for Generalized Anxiety Disorder (GAD)
|
Phase 2 | |
Completed |
NCT00368745 -
Efficacy and Safety of Pregabalin vs Placebo for Generalized Anxiety Disorder (GAD) Symptoms in Subjects Discontinuing Benzodiazepine Treatment and Remaining 6 Weeks on Study Medication, Free From Benzodiazepine Use.
|
Phase 3 |