Measurements of Body Iron Excretion of Healthy Adults

This study has been completed.
Sponsor:
Information provided by:
USDA Grand Forks Human Nutrition Research Center
ClinicalTrials.gov Identifier:
NCT00755105
First received: September 16, 2008
Last updated: August 4, 2011
Last verified: August 2011
  Purpose

This is an observation study of subjects who previously had iron-55 isotope administered in studies of iron absorption. By determining the retention of the isotope in blood during a 3-year period, body iron excretion can be measured.


Condition
Healthy

Study Type: Observational
Study Design: Time Perspective: Prospective
Official Title: Body Iron Excretion of Healthy Adults as Measured by Isotope Dilution

Resource links provided by NLM:


Further study details as provided by USDA Grand Forks Human Nutrition Research Center:

Primary Outcome Measures:
  • Rate of Iron Excretion. [ Time Frame: 4 years ] [ Designated as safety issue: No ]
    Iron excretion calculated as body Fe (mg) times turnover rate estimated from blood activity of Fe55


Enrollment: 77
Study Start Date: September 1998
Study Completion Date: December 2005
Primary Completion Date: December 2005 (Final data collection date for primary outcome measure)
Detailed Description:

One year following initial administration of iron-55 as a part of other related studies, subjects provide blood samples every 6 months for 3 years.

  Eligibility

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population

Healthy adult men and women who previously participated in iron absorption studies using iron-55 isotope.

Criteria

Inclusion Criteria:

  • Must have taken iron-55 in previous study conducted by USDA Grand Forks Human Nutrition Research Center

Exclusion Criteria:

  • None
  Contacts and Locations
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, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00755105

Locations
United States, North Dakota
USDA Grand Forks Human Nutrition Research Center
Grand Forks, North Dakota, United States, 58202
Sponsors and Collaborators
USDA Grand Forks Human Nutrition Research Center
Investigators
Principal Investigator: Janet R Hunt USDA Grand Forks Human Nutrition Research Center
  More Information

Additional Information:
No publications provided by USDA Grand Forks Human Nutrition Research Center

Additional publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Janet R Hunt, USDA Grand Forks Human Nutrition Research Center
ClinicalTrials.gov Identifier: NCT00755105     History of Changes
Other Study ID Numbers: GFHNRC049
Study First Received: September 16, 2008
Results First Received: December 30, 2008
Last Updated: August 4, 2011
Health Authority: United States: Federal Government

Keywords provided by USDA Grand Forks Human Nutrition Research Center:
body iron excretion
Iron isotopes

ClinicalTrials.gov processed this record on July 20, 2014