Completed OBSERVATIONAL NCT03106298

Iron Deficiency and FGF23 Regulation in CKD and HF (INDIGO)

Iron Deficiency and Fibroblast Growth Factor 23 Regulation in Chronic Kidney Disease and Heart Failure

Sponsor: National Kidney Foundation, United States

Conditions Chronic Heart Failure Chronic Kidney Diseases Iron Deficiency Anemia

Updated 12 times since 2017 Last updated: Mar 18, 2019 Started: Dec 18, 2015 Primary completion: Aug 1, 2018 Completion: Aug 1, 2018

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03106298, this observational or N/A phase trial focuses on Chronic Heart Failure and Chronic Kidney Diseases and remains completed. Sponsored by National Kidney Foundation, United States, it has been updated 12 times since 2015, reflecting substantial change activity. This study contributes longitudinal data to the cardiovascular research landscape.

Status Flow

Change History

12 versions recorded

Jun 2025 — Present [monthly]

Completed
Sep 2024 — Jun 2025 [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Dec 2021 — Jul 2024 [monthly]

Completed
Jan 2021 — Dec 2021 [monthly]

Completed

▶ Show 7 earlier versions

Nov 2020 — Jan 2021 [monthly]

Completed
Apr 2019 — Nov 2020 [monthly]

Completed

Status: Recruiting → Completed
Jun 2018 — Apr 2019 [monthly]

Recruiting
May 2018 — Jun 2018 [monthly]

Recruiting
Apr 2018 — May 2018 [monthly]

Recruiting

Phase: NA → None
Aug 2017 — Apr 2018 [monthly]

Recruiting NA
May 2017 — Aug 2017 [monthly]

Recruiting NA

First recorded

Dec 2015

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

National Kidney Foundation, United States
Northwestern University

Data source: Northwestern University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Chicago, United States