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A Study Of 6-Month Duration To Evaluate The Weight Loss Effect Of Various Doses Of CP-945,598 In Obese Subjects

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: NCT00134199
Recruitment Status : Completed
First Posted : August 24, 2005
Last Update Posted : August 12, 2009
Information provided by:

Brief Summary:

To evaluate the effect of 6-month administration of CP-945,598 on:

  • weight loss and waist circumference,
  • blood pressure, cholesterol, glucose
  • other biochemical variables like insulin, leptin, ghrelin, adiponectin, PAI 1, TNF-α and hsCRP
  • the relationship between the concentration of the drug on the blood and the above parameters
  • physical and psychosocial functioning, weight related symptoms, treatment satisfaction, appetite/hunger/satiety/craving and mood, anxiety, anhedonia and depression

Condition or disease Intervention/treatment Phase
Obesity Drug: CP-945,598 Drug: sibutramine Phase 2 Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 282 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A 6-Month, Randomized, Double-Blind, Placebo And Positive-Controlled Phase 2b Study To Evaluate The Effect Of Various Doses Of CP-945,598 On Weight Loss In Obese Subjects
Study Start Date : March 2005
Actual Study Completion Date : November 2005

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. Determine the effect of various doses of CP 945,598 on body weight in obese subjects after 24 weeks of dosing

Secondary Outcome Measures :
  1. Evaluate the safety and tolerability of CP 945,598 in a 26 week outpatient setting;; -Explore the effect of CP 945,598 on: waist circumference, PD measurements of selected biochemical variables related to energy deficit and weight loss includ

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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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

Inclusion Criteria:

  • Male and/or female subjects without clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurements, 12 lead ECG and clinical laboratory tests
  • Body Mass Index (BMI) ³30 and <40 kg/m2, for subjects with no additional
  • co morbidities; BMI ³27 kg/m2 and <40 kg/m2, for subjects with co morbidities [history of essential hypertension and/or dyslipidemia defined as high LDL (³160 mg/dL) or high total cholesterol (³240 mg/dL)];

Exclusion Criteria:

  • Subjects with resting sitting systolic blood pressure of 140 mmHg or greater or diastolic blood pressure of 90 mmHg or greater.
  • Subjects with type 2 diabetes or fasting blood glucose concentration ³126 mg/dL;
  • Subjects with a history of eating disorders like anorexia nervosa or bulimia nervosa
  • Subjects on prescription and non-prescription appetite or weight modifying drugs

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): NCT00134199

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United States, Florida
Pfizer Investigational Site
Clearwater, Florida, United States, 33761
Pfizer Investigational Site
Kissimmee, Florida, United States, 34741
Pfizer Investigational Site
Orlando, Florida, United States, 32809
United States, Kentucky
Pfizer Investigational Site
Lexington, Kentucky, United States, 40509
Pfizer Investigational Site
Louisville, Kentucky, United States, 40213
United States, Louisiana
Pfizer Investigational Site
Baton Rouge, Louisiana, United States, 70808
United States, Massachusetts
Pfizer Investigational Site
Milford, Massachusetts, United States, 01757
United States, New York
Pfizer Investigational Site
New York, New York, United States, 10021
United States, North Carolina
Pfizer Investigational Site
Charlotte, North Carolina, United States, 28211
United States, Tennessee
Pfizer Investigational Site
Nashville, Tennessee, United States, 37203
United States, Texas
Pfizer Investigational Site
Dallas, Texas, United States, 75231
Pfizer Investigational Site
Dallas, Texas, United States, 75247
Pfizer Investigational Site
San Antonio, Texas, United States, 78229
United States, Washington
Pfizer Investigational Site
Tacoma, Washington, United States, 98403
Pfizer Investigational Site
Tacoma, Washington, United States, 98418
Sponsors and Collaborators
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Study Director: Pfizer Call Center Pfizer
Layout table for additonal information Identifier: NCT00134199    
Other Study ID Numbers: A5351013
First Posted: August 24, 2005    Key Record Dates
Last Update Posted: August 12, 2009
Last Verified: April 2006
Additional relevant MeSH terms:
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Weight Loss
Body Weight Changes
Body Weight
Antidepressive Agents
Psychotropic Drugs
Appetite Depressants
Anti-Obesity Agents