NCT00383253

Brief Summary

Methods study to characterize early indicators of weight loss in people.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
57

participants targeted

Target at P25-P50 for not_applicable obesity

Timeline
Completed

Started Oct 2006

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 29, 2006

Completed
2 days until next milestone

Study Start

First participant enrolled

October 1, 2006

Completed
2 days until next milestone

First Posted

Study publicly available on registry

October 3, 2006

Completed
1.4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2008

Completed
Last Updated

March 23, 2009

Status Verified

March 1, 2009

First QC Date

September 29, 2006

Last Update Submit

March 20, 2009

Conditions

Outcome Measures

Primary Outcomes (1)

  • To evaluate the effect of varying degrees of controlled, 1-month, caloric restriction on weight loss, and response of known circulating, candidate biomarkers

    Throughout trial

Secondary Outcomes (1)

  • To evaluate the time course, magnitude and biomarkers of metabolic compensation as well as assessment of well being (via questionnaires) following varying degrees of controlled, 1-month, caloric restriction

    Throughout trial

Study Arms (4)

10%

EXPERIMENTAL
Behavioral: caloric restriction - 10%

25%

EXPERIMENTAL
Behavioral: caloric restriction - 25%

50%

EXPERIMENTAL
Behavioral: caloric restriction - 50%

Control

PLACEBO COMPARATOR
Behavioral: caloric restriction - Control

Interventions

Subjects maintained on 10% caloric restriction (caloric intake = 90% of baseline)

10%

Subjects maintained on 25% caloric restriction (caloric intake = 75% of baseline)

25%

Subjects maintained on 50% caloric restriction (caloric intake = 50% of baseline)

50%

Subjects maintained on their baseline caloric intake (caloric restriction = none)

Control

Eligibility Criteria

Age18 Years - 55 Years
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Subjects \>=18 years of age with BMI \>= 30 and \< 40 kg/m2

You may not qualify if:

  • Females, those with illnesses expected to cause weight loss, those without stable body weight within 3 months of screening.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Pfizer Investigational Site

Adelaide, South Australia, 5000, Australia

Location

Pfizer Investigational Site

North Adelaide, South Australia, 5006, Australia

Location

Related Links

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

September 29, 2006

First Posted

October 3, 2006

Study Start

October 1, 2006

Study Completion

March 1, 2008

Last Updated

March 23, 2009

Record last verified: 2009-03

Locations