Effect of Diltiazem Administration on CP-945,598 Pharmacokinetics
NCT00645463
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- No clinically relevant abnormalities based upon medical history, physical exam, 12-lead ECG, and clinical lab tests
- Body Mass Index (BMI) ~ 27-40 kg/m2, inclusive
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- Evidence or history of significant acute or chronic disease
- Pregnant or nursing females
- Screening PR interval > 220 msec
- Sitting blood pressure <= 90 mmHg systolic or <= 60 mmHg diastolic
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| Descriptive Information | ||||
|---|---|---|---|---|
| Brief Title ICMJE | Effect of Diltiazem Administration on CP-945,598 Pharmacokinetics | |||
| Official Title ICMJE | A Phase 1, Randomized, Fixed Sequence Study To Evaluate The Effect Of Multiple Dose Administration Of Modified Release Diltiazem On The Multiple Dose Pharmacokinetics Of CP-945,598 In Healthy Overweight And Obese Subjects | |||
| Brief Summary | A recently completed clinical drug interaction study of CP-945,598 with ketoconazole, a potent CYP3A inhibitor, showed that coadministration of CP-945,598 with ketoconazole results in an approximately 5-fold increase in CP-945,598 total exposure (AUC) and 4-fold increase in Cmax. Therefore, the sensitivity of CP-945,598 pharmacokinetics (PK) to less potent CYP3A inhibitors needs to be characterized to support labeling and registration. Diltiazem is a known substrate and moderate mechanism-based inhibitor of the CYP3A enzyme system and was chosen as the moderate CYP3A inhibitor for this study as it is a clinically relevant medication likely to be prescribed concomitantly with CP-945,598 given the increased risk of hypertension and cardiovascular disease in the obese patient population. | |||
| Detailed Description | Not Provided | |||
| Study Type ICMJE | Interventional | |||
| Study Phase ICMJE | Phase 1 | |||
| Study Design ICMJE | Allocation: Randomized Intervention Model: Crossover Assignment Masking: None (Open Label) Primary Purpose: Treatment | |||
| Condition ICMJE | Obesity | |||
| Intervention ICMJE |
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| Study Arms ICMJE |
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| Publications * | Not Provided | |||
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. | ||||
| Recruitment Information | ||||
| Recruitment Status ICMJE | Completed | |||
| Actual Enrollment ICMJE | 28 | |||
| Original Actual Enrollment ICMJE | Same as current | |||
| Actual Study Completion Date ICMJE | June 2007 | |||
| Primary Completion Date | Not Provided | |||
| Eligibility Criteria ICMJE | Inclusion Criteria:
Exclusion Criteria:
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| Sex/Gender ICMJE |
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| Ages ICMJE | 18 Years to 55 Years (Adult) | |||
| Accepts Healthy Volunteers ICMJE | Yes | |||
| Contacts ICMJE | Contact information is only displayed when the study is recruiting subjects | |||
| Listed Location Countries ICMJE | United States | |||
| Removed Location Countries | ||||
| Administrative Information | ||||
| NCT Number ICMJE | NCT00645463 | |||
| Other Study ID Numbers ICMJE | A5351043 | |||
| Has Data Monitoring Committee | No | |||
| U.S. FDA-regulated Product | Not Provided | |||
| IPD Sharing Statement ICMJE | Not Provided | |||
| Responsible Party | Director, Clinical Trial Disclosure Group, Pfizer, Inc. | |||
| Study Sponsor ICMJE | Pfizer | |||
| Collaborators ICMJE | Not Provided | |||
| Investigators ICMJE |
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| PRS Account | Pfizer | |||
| Verification Date | March 2008 | |||
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP | ||||