NCT00128154

Brief Summary

The purpose of this study is to determine whether chromium supplements can reduce symptoms of metabolic syndrome, a collection of symptoms that increase one's risk for developing heart disease, stroke, and diabetes.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jan 2004

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

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

Study Start

First participant enrolled

January 1, 2004

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

August 5, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 9, 2005

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2005

Completed
Last Updated

August 18, 2006

Status Verified

August 1, 2006

First QC Date

August 5, 2005

Last Update Submit

August 17, 2006

Conditions

Keywords

ChromiumChromium picolinateBlood GlucoseCholesterolComplementary Therapies

Outcome Measures

Primary Outcomes (1)

  • Increase in insulin sensitivity

Secondary Outcomes (5)

  • Glucose effectiveness

  • acute insulin response to glucose

  • fasting triglycerides and high density lipoprotein cholesterol

  • free fatty acids

  • weight and/or body composition

Interventions

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Meet at least two of the following criteria for diagnosis of metabolic syndrome: 1) systolic blood pressure higher than 130 mmHg or diastolic blood pressure higher than 85 mmHg in untreated patients OR use of more than one approved antihypertensive agent; 2) fasting glucose higher than 110 mg/dL; 3) fasting triglycerides higher than 150 mg/dL; 4) high density lipoprotein (HDL) less than 40 mg/dL for men and less than 50 mg/dL for women
  • Abdominal obesity defined by a waist circumference higher than 40 inches for men and 35 inches for women

You may not qualify if:

  • Type 1 or 2 diabetes mellitus
  • Use of antihyperglycemic or insulin sensitizing medication within 3 months prior to study entry
  • Uncontrolled hypertension
  • Triglycerides higher than 800 mg/dL
  • Low density lipoprotein (LDL) cholesterol higher than 190 mg/dL
  • History of renal insufficiency
  • History of liver disease or abnormal liver function tests (higher than 3x upper limit normal)
  • History of atherosclerotic cardiovascular disease
  • History of congestive heart failure
  • Cancer within 5 years prior to study entry. Participants with a history of skin cancer are not excluded.
  • Surgery within 30 days prior to study entry
  • Use of niacin within 6 weeks prior to study entry
  • Use of fibrates within 12 weeks prior to study entry
  • History of alcohol or drug abuse
  • Participation in an investigational drug study within 6 weeks prior to study entry
  • +7 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

Location

Related Publications (1)

  • Iqbal N, Cardillo S, Volger S, Bloedon LT, Anderson RA, Boston R, Szapary PO. Chromium picolinate does not improve key features of metabolic syndrome in obese nondiabetic adults. Metab Syndr Relat Disord. 2009 Apr;7(2):143-50. doi: 10.1089/met.2008.0048.

MeSH Terms

Conditions

Metabolic SyndromePrediabetic StateInsulin ResistanceObesityMetabolic Diseases

Interventions

picolinic acid

Condition Hierarchy (Ancestors)

HyperinsulinismGlucose Metabolism DisordersNutritional and Metabolic DiseasesDiabetes MellitusEndocrine System DiseasesOverweightOvernutritionNutrition DisordersBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Nayyar Iqbal, MD

    University of Pennsylvania

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
NIH

Study Record Dates

First Submitted

August 5, 2005

First Posted

August 9, 2005

Study Start

January 1, 2004

Study Completion

December 1, 2005

Last Updated

August 18, 2006

Record last verified: 2006-08

Locations