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| Name | Class |
|---|---|
| Swiss Federal Institute of Technology | OTHER |
| University of California, Davis | OTHER |
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Iron deficiency (ID) affects up to 25% of Swedish infants and severe ID is associated with cognitive and behavioral problems. To avoid this, iron supplements or iron-fortified infant foods are recommended for infants. However, the optimal iron dose and mode of delivery have not yet been established. This is a concern as excessive iron intake may impair growth and increase morbidity in iron-sufficient infants. Previous studies have suggested that iron-fortified foods may have different effects than iron supplements. In this study, the investigators will investigate whether the mode of iron administration (supplementation vs. fortification) and the amount consumed (high intakes vs. low intakes) affect iron absorption, iron utilization, and zinc absorption in healthy term non-iron-deficient 6-month-old infants.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| iron drops | Experimental |
| |
| iron-fortified formula (2.3 mg iron/L) | Experimental |
| |
| iron-fortified formula (12.4 mg iron /L) | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ferrous sulfate | Dietary Supplement | 6.3 mg iron from iron drops and 0.3 mg iron from infant formula with no added iron (0.5 mg iron/L) for 45 days |
|
| Measure | Description | Time Frame |
|---|---|---|
| iron absorption | 1 month after enrollment |
| Measure | Description | Time Frame |
|---|---|---|
| indicators of iron metabolism, growth, and oxidative stress | 1 month and 1.5 months after enrollment | |
| zinc absorption | 1 month after enrollment |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Magnus Domellöf, MD, PhD | Umeå University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Clinical Sciences, Pediatrics, Umeå University Hospital | Umeå | 901 85 | Sweden |
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| ID | Term |
|---|---|
| C020748 | ferrous sulfate |
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| iron-fortified infant formula (12.4 mg iron/L) | Other | 6.6 mg iron from iron-fortified infant formula (12.4 mg iron/L) for 45 days |
|
| iron-fortified infant formula (2.3 mg iron/L) | Other | 1.2 mg iron from iron-fortified infant formula (2.3 mg iron/L) for 45 days |
|