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Comparison of Effects Between Conventional Dose and High Dose Escitalopram on Clinical Improvement in Patients With Obsessive-compulsive Disorder

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ClinicalTrials.gov Identifier: NCT00723060
Recruitment Status : Completed
First Posted : July 28, 2008
Last Update Posted : August 8, 2011
Sponsor:
Information provided by:
Seoul National University Hospital

Study Description
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Brief Summary:

OBJECTIVE: The objective of this study is to compare the effect and safety of conventional dose (20mg) and high dose (40mg) of escitalopram in patients with obsessive-compulsive disorder (OCD).

OVERVIEW OF STUDY DESIGN: Prospective, Randomized, Active-controlled, Double-blind, Multi-center, Clinical Trials STUDY POPULATION: Patients with OCD EFFICACY EVALUATIONS: Y-BOCS (D-YBOCS), HAM-D, HAM-A, CGI-S & -I, GAF, OCI-R SAFETY EVALUATION: Adverse Events / Serious Adverse Events, UKU


Condition or disease Intervention/treatment Phase
Obsessive Compulsive Disorder Drug: escitalopram Phase 4

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 176 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: Comparison of Effects Between Conventional Dose and High Dose Escitalopram on Clinical Improvement in Patients With Obsessive-compulsive Disorder (Randomized, Double-blind, Multi-center Study)
Study Start Date : September 2008
Actual Primary Completion Date : January 2011
Actual Study Completion Date : January 2011

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Arms and Interventions
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Arm Intervention/treatment
Active Comparator: 1
escitalopram high dose group
 Drug: escitalopram
escitalopram high dose group (40mg) escitalopram conventional dose group (20mg)
Active Comparator: 2
escitalopram conventional group
 Drug: escitalopram
escitalopram high dose group (40mg) escitalopram conventional dose group (20mg)


Outcome Measures
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Primary Outcome Measures :
  1. The difference of Y-BOCS score average from baseline to 16-week [ Time Frame: baseline and16-week ]

Secondary Outcome Measures :
  1. 1) CGI-S, CGI-I 2) GAF 3) HAM-D, HAM-A [ Time Frame: every 2 week ]

Eligibility Criteria
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Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Man or woman, aged 18 to 65 years, outpatient
  2. Primary OCD patients diagnosed with DSM-IV-TR, having OCD symptoms for more than six months
  3. Severity: Y-BOCS score of >= 20 at screening and baseline
  4. No history or evidences of clinically significant physical problem, or abnormal laboratory findings at screening
  5. Drug free period of at least 2 weeks before study drug administration (in case of fluoxetine, at least 5 weeks). However, allowed medications in this study could be taken even before study drug administration.

Exclusion Criteria:

  1. primary active DSM-IV axis I diagnosis other than OCD
  2. History of substance, including alcohol, dependence and psychotic symptoms
  3. Current depression A. Risk of suicidal attempt B. 20-item Hamilton Depression Rating Scale (HAM-D)(exclude 21th item, obsession) of >17 at screening or baseline
  4. Drug allergy A. Known or suspected hypersensitivity to escitalopram or citalopram B. History of severe drug allergic reactions or hypersensitivity
  5. History of no response to escitalopram or citalopram treatment
  6. History of electroconvulsive therapy or received an injectable antipsychotic formulation within 6 months before screening
  7. Women who are pregnant, planning to become pregnant, or breast-feeding
  8. Ongoing cognitive behavior therapy (CBT) of OCD
  9. Hoarding or collecting type
  10. Unable to perform study protocol as clinically assessed by the investigator (ex, severe personality disorder)
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00723060


Locations
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Korea, Republic of
Seoul National University Hospital
Seoul, Korea, Republic of, 110-744
Sponsors and Collaborators
Seoul National University Hospital
Investigators
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Principal Investigator: Jun Soo Kwon, M.D., Ph.D. Seoul National University Hospital, Seoul, Korea
More Information
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Responsible Party: Seoul National University Hospital
ClinicalTrials.gov Identifier: NCT00723060    
Other Study ID Numbers: 11769A
First Posted: July 28, 2008    Key Record Dates
Last Update Posted: August 8, 2011
Last Verified: August 2011
Additional relevant MeSH terms:
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Compulsive Personality Disorder
Obsessive-Compulsive Disorder
Personality Disorders
Mental Disorders
Anxiety Disorders
Dexetimide
Citalopram
Serotonin Uptake Inhibitors
Neurotransmitter Uptake Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Serotonin Agents
 Physiological Effects of Drugs
Antidepressive Agents, Second-Generation
Antidepressive Agents
Psychotropic Drugs
Antiparkinson Agents
Anti-Dyskinesia Agents
Parasympatholytics
Autonomic Agents
Peripheral Nervous System Agents
Muscarinic Antagonists
Cholinergic Antagonists
Cholinergic Agents