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A PHASE 3, RANDOMIZED, 6-MONTH, DOUBLE BLIND TRIAL IN SUBJECTS WITH BIPOLAR I DISORDER TO EVALUATE THE CONTINUED SAFETY AND MAINTENANCE OF EFFECT OF ZIPRASIDONE PLUS A MOOD STABILIZER VS PLACEBO PLUS A MOOD STABILIZER FOLLOWING A MINIMUM OF 2 MONTHS OF RESPONSE TO OPEN-LABEL TREATMENT WITH BOTH AGENTS - ND

Conditions
Ziprasidone as add-on therapy to lithium or valproate in the maintenance treatment of mania associated with bipolar disorder.
MedDRA version: 6.1Level: PTClassification code 10004939
Registration Number
EUCTR2005-004167-27-IT
Lead Sponsor
PFIZER
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
512
Inclusion Criteria

1. Personally sign the written informed consent after the scope and nature of the investigation has been explained to them before any study-specific procedure/evaluation is initiated or performed. 2. Be male or female. 3. Be at least 18 years of age and the age of legal consent. 4. Be a female who is not of child-bearing potential ie, surgically sterile or postmenopausal for at least one year , or be non-pregnant and using an acceptable method of birth control for at least one month prior to the screening visit or prior to having sexual relations during the study or be one who abstains from sex. Subject must meet all of the following criteria Agree to avoid pregnancy during the study and Have a negative serum pregnancy test -HCG at screening and Use one of the birth control methods listed below for the duration of the trial Preferred methods a. An oral contraceptive agent, implantable contraceptive eg, Norplant or an injectable contraceptive eg, Depo-Provera for at least one month prior to entering the study or prior to having sexual relations during the study and will continue its use throughout the study, or b. An intrauterine device, or c. Partner has had a vasectomy at least 3 months prior to study start Also Allowed a. A double-barrier method of a diaphragm with spermicide, plus a latex condom, or b. Agree to abstain from sex for the duration of the trial. 5. Be likely to comply with the protocol and medication regimen. 6. Be fluent in the language of the investigator and study staff including raters . 7. If possible, identify a caregiver or a responsible person eg, family member, social worker, caseworker or nurse considered reliable by the investigator in providing support to the subject to ensure compliance with study treatment, outpatient visits, and protocol procedures, including alerting trial staff to any signs of imminent risk of a mood episode. Psychiatric inclusion criteria Subject must 1. Have a primary diagnosis of Bipolar I Disorder, recent or current episode manic DSM-IV 296.4x , or mixed DSM-IV 296.6x , as determined by a structured clinical interview SCID-P at screening. 2. Have a recent or current manic or mixed Bipolar I episode that began no more than 90 days prior to the screening visit. 3. Have a documented history as per source documents of at least one previous, treated manic or mixed episode of at least moderate severity within the past 2 years. 4. Be on a documented therapeutic level of a mood stabilizer, either lithium 0.6-1.2 mEq/L or divalproex sodium 50-125 ug/ml , for at least 2 weeks prior to the Baseline visit of the open-label period. 5. Have an MRS score 8805;14 with scores of 2 or higher on at least 4 items if currently receiving the therapeutic level of a lithium or divalproex sodium for at least 2 weeks at the Screening Visit. 6. Have an MRS score of 8805;18 with scores of 2 or higher on at least 4 items , if not currently on lithium or divalproex sodium at the Screening visit, or on a mood stabilizer other than lithium or divalproex sodium. Subjects on a different mood stabilizer must be willing and be appropriate to switch to either lithium or divalproex sodium. Subjects must receive 2 weeks of mood stabilizer exposure in the therapeutic range, and after 2 weeks treatment within that range must have an MRS score 8805;14 with scores of 2 or higher on at least 4 items . 7. Be willing and able to discontinue all psych

Exclusion Criteria

Psychiatric exclusion criteria 1. Suffer from ultra-fast rapid cycling defined as 8 or more mood episodes over theprevious 12 month period . 2. Be clinically stable on another treatment regimen that is also well tolerated ie, clinical reason must exist to discontinue current treatment and enter subject into protocol . 3. Be at an imminent risk of harm to self or to others. 4. Have a diagnosis of mental retardation or organic brain syndrome. 5. Have a substance-induced psychotic disorder or behavioral disturbance thought to be due to substance abuse. 6. Have a current within 2 months prior to screening DSM-IV-TR TM defined substance abuse/dependence excluding nicotine and caffeine . 7. Have a history of treatment resistance to at least two other antipsychotic medications after adequate dose and length of treatment . 8. Have a history of treatment resistance or intolerance to ziprasidone adequate length and dose of treatment . 9. Have received ziprasidone in a previous clinical trial. 10. Have received clozapine within 12 weeks, a depot antipsychotic within 4 weeks or a monoamine oxidase inhibitor within 2 weeks prior to baseline. 11. Have been judged by the investigator to be medically non-compliant in the management of their disease. Medical exclusion criteria 1. Have an uncontrolled, unstable clinically significant medical condition eg, renal, hepatic, endocrine, respiratory, cardiovascular, hematologic, immunologic,cerebrovascular disease, or malignancy , including extreme obesity body mass index BMI 35 kg/m2 or anorexia BMI 18.5 kg/m2 , which, in the opinion of the investigator, may interfere with the interpretation of safety or efficacy evaluations. 2. Have any clinically significant abnormal laboratory, vital sign, physical examination, or ECG finding that, in the opinion of the investigator, precludes trial participation. In addition, subjects must not Have hypokalemia or hypomagnesemia at screening These subjects may not be entered into the trial until these electrolytes have been repleted and confirmed by laboratory testing to be within normal limits. Have severe dehydration or sodium depletion. Have SGOT or SGPT 8805;2X, alkaline phosphatase 8805;1.2X or total bilirubin 8805;1.5X times the upper limits of the reference range at the Screening assessment. Have a dietary habit eg, fasting or illness eg, bulimia, anorexia nervosa, chronic and severe diarrhea or require any concomitant medication that may interfere with the absorption of ziprasidone. Have a history of chronic hepatitis. Have serologic evidence of acute hepatitis or chronic hepatitis positive HBsAg . Have hepatitis C antibodies plus elevated LFT s. Have a history of significant cardiovascular disease or significant concurrent cardiovascular disease, including uncontrolled hypertension sitting diastolic pressure 95 mm Hg and/or sitting systolic pressure 170 mm Hg with or without treatment , hypotension, congestive heart failure, angina pectoris, bypass surgery, history of myocardial infarction or ischemic heart disease, uncompensated heart failure or recent acute myocardial infarction within the past 6 months . Note Controlled essential hypertension stable for at least 2 months by diet and/or pharmacotherapy and non-clinically significant sinus bradycardia and sinus tachycardia will not be considered significant medical illnesses and will not exclude a subject from the study. Have

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
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