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NCT07315282

The Effect of Oral Iron Supplements on Insulin and Glucose Metabolism in Overweight and Obese Women

StatusRecruiting
PhaseNot applicable
Primary completion (estimated)

At risk: Primary completion moved at least 10 months later.

See at-risk trials from Nicole Stoffel

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Record History

All 2 versions: 2 with changes below. See every version on ClinicalTrials.gov ↗

  1. Primary and study completion pushed from Jun 30, 2026 to May 2027
    • Start date: Dec 23, 2025 to May 2027
    • Eligibility criteria expanded, about 8 words
  2. Study First Submitted
  • Notable: the plan changed

Endpoints

Primary

Blood glucose increase during OGTT Day 0
Timeframe: Day 0
Blood glucose increase during OGTT Day 14
Timeframe: Day 14

Secondary (33)

Insulin increase during OGTT Day 0
Insulin increase during OGTT Day 14
Serum Hepcidin Day 0
Serum Hepcidin D14
Serum Ferritin Day 0
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Serum Ferritin Day 14
Soluble Transferrin Receptor (sTfR) Day 0
Soluble Transferrin Receptor (sTfR) Day 14
Hemoglobin Day 0
Hemoglobin Day 14
C-reactive protein (CRP) Day 0
C-reactive protein (CRP) Day 14
Alpha-1-acid glycoprotein (AGP) Day 0
Alpha-1-acid glycoprotein (AGP) Day 14
Serum Iron Day 0
Serum Iron Day 14
Total Iron Binding Capacity (TIBC) Day 0
Total Iron Binding Capacity (TIBC) Day 14
Transferrin Saturation (TSAT) Day 0
Transferrin Saturation (TSAT) Day 14
Transferrin Saturation (TSAT) Day 17
Total Iron Binding Capacity (TIBC) Day 17
Serum Iron Day 17
Serum Hepcidin Day 17
Insulin increase during OGTT Day 17
Blood glucose increase during OGTT Day 17
Fasting blood glucose Day 0
Fasting blood glucose Day 14
Fasting blood glucose Day 17
Fasting insulin Day 0
Fasting insulin Day 14
Fasting insulin Day 17
Blood glucose profile measured over the 14 days

Arms and interventions

high-dose iron supplementationExperimental

195 mg iron as ferrous sulfate daily for 14 days

low-dose iron supplementationActive comparator

15 mg iron as ferrous fumarate daily for 14 days

Dietary supplements: 195 mg iron daily, 15 mg iron daily

Sites

1 site in 1 country

  • American University of BeirutBeirut, Lebanon