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

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)

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00723060
Enrollment
176
Registered
2008-07-28
Start date
2008-09-30
Completion date
2011-01-31
Last updated
2011-08-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obsessive Compulsive Disorder

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

Interventions

DRUGescitalopram

escitalopram high dose group (40mg) escitalopram conventional dose group (20mg)

Sponsors

Seoul National University Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

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)

Design outcomes

Primary

MeasureTime frame
The difference of Y-BOCS score average from baseline to 16-weekbaseline and16-week

Secondary

MeasureTime frame
1) CGI-S, CGI-I 2) GAF 3) HAM-D, HAM-Aevery 2 week

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026