Iron Deficiency & FGF23 Regulation in CKD & HF

Status Completed

Clinical Trial Summary

This study investigates the effects of intravenous (IV) iron sucrose therapy on blood levels of Fibroblast Growth Factor 23 (FGF23, a protein that regulates the amount of phosphate in the body) in iron deficiency anemia in healthy participants, participants with Congestive Heart Failure (CHF, where the heart does not pump adequate blood supply to the body), participants with Chronic Kidney Disease (CKD, where the kidney function is reduced), and participants with CKD and CHF.

Clinical Trial Description

Iron is a key part of our red blood cells which bring oxygen to our body's tissues. Without iron, our blood cannot carry oxygen. The body normally gets iron through diet and it also re-uses iron from old red blood cells. When iron stores are low, patients get iron deficiency anemia. This can happen because patients lose more red blood cells and iron than the body can replace, the body does not do a good job at absorbing iron from the diet, or the body is able to absorb iron but patients are not getting enough iron from their diets. Many patients with chronic diseases such as CKD and CHF also have iron deficiency anemia.

Iron deficiency may also cause a hormone in the body named FGF23 to rise. FGF23 is a hormone that is made in bone and has an important role in the heart and kidney. When the kidneys are not working properly, as in CKD, or when the heart is not pumping correctly, as in CHF, FGF23 levels in the blood go up. Many patients with CKD or CHF also have low levels of iron. In these cases, FGF23 levels may rise even more. Too much FGF23 in the blood may lead to an increased risk of heart problems and accelerate loss of kidney function. The best way to control FGF23 levels in the blood in CKD and CHF is not known.

The investigators are conducting a 6-week iron deficiency anemia study on healthy individuals,individuals with CKD, and individuals with CHF to find out if treating iron deficiency anemia with intravenous iron sucrose therapy can safely and successfully lower FGF23 levels. Iron sucrose has been shown to lower FGF23 in animal models. The short term effects of iron sucrose on FGF23 levels in CKD and CHF are not known. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03106298
Study type	Observational
Source	Northwestern University
Contact
Status	Completed
Phase
Start date	December 18, 2015
Completion date	August 1, 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Iron Deficiency and FGF23 Regulation in CKD and HF — INDIGO

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms