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Phase II Randomized Study of Intravenous Versus Oral Clomipramine in Patients With Obsessive Compulsive Disorder

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00004310
Recruitment Status : Unknown
Verified December 2003 by National Center for Research Resources (NCRR).
Recruitment status was:  Active, not recruiting
First Posted : October 19, 1999
Last Update Posted : June 24, 2005
Stanford University
Information provided by:
National Center for Research Resources (NCRR)

Brief Summary:


I. Evaluate the efficacy of intravenous versus oral pulse loading of clomipramine (CMI) followed by a 12-week course of maintenance therapy in patients with obsessive compulsive disorder.

Condition or disease Intervention/treatment Phase
Obsessive-Compulsive Disorder Drug: Clomipramine Phase 2

Detailed Description:

PROTOCOL OUTLINE: This is a randomized, double blind, multicenter study. Patients are stratified by participating institution. Patients are randomized into one of two treatment arms.

Arm I: Patients receive a pulse loading dose of clomipramine (CMI) IV and an oral placebo on days 1 and 2.

Arm II: Patients receive an oral pulse loading dose of CMI and an IV placebo on days 1 and 2.

Patients receive maintenance therapy with daily oral CMI for 12 weeks beginning 4 days after pulse loading.

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Study Type : Interventional  (Clinical Trial)
Enrollment : 76 participants
Allocation: Randomized
Masking: Double
Primary Purpose: Treatment
Study Start Date : October 1999

Resource links provided by the National Library of Medicine

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No


--Disease Characteristics-- Primary diagnosis of obsessive compulsive disorder (OCD) for at least 1 year Meets Diagnostic and Statistical Manual (DSM-IV) criteria by structured clinical interview Yale-Brown Obsessive-Compulsive Scale (YBOCS) score at least 20 At least 12 if only obsessions or compulsions present Secondary diagnosis of major depression eligible if: Meets DSM-IV criteria Onset occurs after OCD OCD is primary diagnosis and dominates clinical picture Excluded diagnoses: Organic mental disorder Principal psychiatric disorder other than OCD Bipolar disorder Schizophrenia Post-traumatic stress disorder Tics or Tourette's syndrome Body dysmorphic disorder Delusional disorder Borderline or schizotypal personality disorder Anorexia nervosa Bulimia nervosa Panic disorder Panic attacks Must have failed at least 2 prior regimens of serotonin re-uptake inhibitor therapy --Prior/Concurrent Therapy-- Endocrine therapy: Concurrent thyroid medication allowed if stable at least 3 months At least 2 weeks since prior systemic corticosteroids Surgery: No prior psychosurgery or other neurosurgery Other: At least 3 months since prior electroconvulsive or insulin shock therapy At least 6 weeks since prior fluoxetine At least 30 days since prior investigational drugs At least 2 weeks since any of the following: Neuroleptics (6 weeks since depot neuroleptics) Nondepot antipsychotics Anxiolytics Stimulants Barbiturates Antidepressants (4 weeks since monoamine oxidase inhibitors) At least 2 weeks since prior anticonvulsants No concurrent antipsychotics No concurrent antihypertensives, e.g., guanethidine or clonidine No concurrent behavior therapy --Patient Characteristics-- Hematopoietic: No anemia No drug-induced leukopenia No bleeding disorder No other blood dyscrasia or bone marrow depression Hepatic: Liver function tests no greater than twice normal No hepatic abnormality Renal: No renal abnormality, e.g., urinary retention Cardiovascular: No cardiac abnormality, e.g.: Congestive heart failure Myocardial infarction Cardiac conduction disturbance other than first-degree heart block Electrocardiogram with significant abnormality No hypertension Pulmonary: No pulmonary abnormality Other: No hypersensitivity to or prior severe adverse experience with clomipramine No medical contraindication to serotonin re-uptake inhibitors or tricyclic antidepressants No history of seizures and not at risk of seizures, i.e.: No family history of epilepsy No birth trauma No significant head trauma No meningitis or encephalitis No subarachnoid hemorrhage No episodes of unconsciousness, including syncope No prostatic hypertrophy No narrow-angle glaucoma, i.e., intraocular pressure greater than 22 mm Hg No uncontrolled hyperthyroidism No other clinically significant abnormality, e.g.: Neurologic Metabolic Gastrointestinal Autoimmune No substantial risk of suicide At least 6 months since drug or alcohol abuse or dependence No illiteracy No Intelligence Quotient below 80 No plan for blood donation during study Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception

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 identifier (NCT number): NCT00004310

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United States, California
Stanford University Medical Center
Stanford, California, United States, 94305-5408
United States, Ohio
University of Cincinnati Medical Center
Cincinnati, Ohio, United States, 45267-0562
Sponsors and Collaborators
National Center for Research Resources (NCRR)
Stanford University
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Study Chair: Lorrin Koran Stanford University

Layout table for additonal information Identifier: NCT00004310    
Other Study ID Numbers: 199/11812
First Posted: October 19, 1999    Key Record Dates
Last Update Posted: June 24, 2005
Last Verified: December 2003
Keywords provided by National Center for Research Resources (NCRR):
anxiety disorder
disease-related problem/condition
neurologic and psychiatric disorders
obsessive compulsive disorder
oncologic disorders
rare disease
Additional relevant MeSH terms:
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Compulsive Personality Disorder
Obsessive-Compulsive Disorder
Pathologic Processes
Personality Disorders
Mental Disorders
Anxiety Disorders
Antidepressive Agents, Tricyclic
Antidepressive Agents
Psychotropic Drugs
Serotonin Uptake Inhibitors
Neurotransmitter Uptake Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Serotonin Agents
Physiological Effects of Drugs