Dietary Iron Requirements
ConditionIron Absorption
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-50
SponsorPennington Biomedical Research Center
About this trial
Dietary Reference Intakes (DRIs) for iron are based on a relatively small number of studies in European populations. This research study will determine iron needs in a representative sample of adults living in the US using the iron isotope dilution technique. Following administration and equilibration of a stable iron isotope, participants will be followed for a 12 week study period. Blood will be collected every 4 weeks and the isotopic composition will be determined. Results will help update dietary iron guidelines making sure they better match the specific needs of the US population.
Eligibility criteria
Qualifiers
Males and premenopausal females age 18-50 y
Previously participated in an iron stable isotope study or willing to consume an oral stable iron isotope and undergo a one-year equilibration period
Willing to refrain from iron-containing supplements for the duration of the study
Willing to refrain from tobacco smoking for the duration of the study
Disqualifiers
Females: pregnant or lactating or plans to become pregnant during the study period
Inability to provide informed consent and engage in informed consent procedures
Plans to relocate outside the study area
Trial design
Treatments tested in this trial
- Stable iron isotope
Treatment groups
300 Participants
are divided into 1 treatment groupSponsors and collaborators
Pennington Biomedical Research Center
Lead sponsor
Cornell University
Collaborator
Source ClinicalTrials.gov