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CompletedNCT00576589Updated Jan 18, 2010

Study Of The Safety And Pharmacokinetics Of CE-326,597 In Patients With Asymptomatic Gallstones

A Phase 1 interventional study of CE-326,597 and Placebo in Obesity, sponsored by Pfizer. Completed at 12 sites in United States. Open to participants aged 18 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2010-01-18.

Sponsored by Pfizer · Phase 1, Interventional, and Treatment

Phase
Phase 1
Study type
Interventional
Enrollment
41
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

The study is designed to assess whether repeated dosing with CE-326,597 will cause patients with asymptomatic gallstones (as detected on screening abdominal ultrasound) to become symptomatic. In addition, the study will characterize the pharmacokinetics of CE-326,597.

02

Conditions studied

  • Obesity

Keywords

  • Safety in patients with Asymptomatic cholelithiasis/gallstones.
03

In context

Gallstones

346 studies on the registry are indexed under Gallstones; 46 are open to participants now.

This study's enrollment of 41 is below the median of 99 across 232 interventional studies indexed under Gallstones.

Browse Gallstones studies →

Lead sponsor

Pfizer is the lead sponsor of 3,244 studies on the registry; 139 are open to participants now.

Of its 582 completed or terminated interventional studies of FDA-regulated products, 381 (65%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Body Mass Index between 30-40 kg/m2, inclusive
  • Evidence of asymptomatic cholelithiasis on screening abdominal ultrasound

Exclusion criteria

Exclusion Criteria:

  • Patients with unstable medical conditions, such as diabetes, stroke, heart attack.
  • Females of childbearing potential or those who may be pregnant or breast feeding.
  • Patients with inflammed gallbladder, evidence of stones in bile ducts on screening abdominal ultrasound, history of symptoms indicating active gallbladder disease or gallbladder removal.
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Crossover assignment
Masking
Double (Participant, Investigator)
Enrollment
41 participants (actual)

Study arms

  • Experimental
    CE-326,597

    Drug: CE-326,597

  • Placebo comparator
    Placebo

    Drug: Placebo

Interventions

  • DrugCE-326,597

    CE-326,597 administered orally, once daily for 14-days at 1 to 2 doses (25 mg QD, 100 mg QD) with the morning meal.

  • DrugPlacebo

    CE-326,597 matching placebo administered orally, once daily for 14-days with the morning meal.

06

What researchers measure

Primary outcomes

  1. Safety and tolerability assessed via AEs/SAEs, plus where applicable gastrointestinal symptoms checklist, clinical laboratory tests, vital signs (blood pressure and pulse rate)

    Time frame: Day 1 to 14

  2. CE-326,597 pharmacokinetics by estimating AUC0-24, Cmax and Tmax

    Time frame: Day 7

07

Study locations

12 sites
  • Pfizer Investigational Site
    Anniston, Alabama 36201, United States
  • Pfizer Investigational Site
    Anniston, Alabama 36207, United States
  • Pfizer Investigational Site
    Phoenix, Arizona 85013, United States
  • Pfizer Investigational Site
    Anaheim, California 92801, United States
  • Pfizer Investigational Site
    DeLand, Florida 32720, United States
  • Pfizer Investigational Site
    Miami, Florida 33143, United States
  • Pfizer Investigational Site
    Orlando, Florida 32809, United States
  • Pfizer Investigational Site
    South Miami, Florida 33143, United States
  • Pfizer Investigational Site
    Honolulu, Hawaii 96813, United States
  • Pfizer Investigational Site
    Wichita, Kansas 67214, United States
  • Pfizer Investigational Site
    Madisonville, Kentucky 42431, United States
  • Pfizer Investigational Site
    Willingboro, New Jersey 08046, United States
08

References and documents

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 18, 2010, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00576589
Lead sponsor
Pfizer
First posted
Dec 19, 2007
Start date
Jan 2008
Completion
Sep 2008
Last update
Jan 18, 2010

Study contacts

Pfizer CT.gov Call Center
study director · Pfizer

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2008. You cannot join it, but the record below documents what was studied.

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