Completed NA INTERVENTIONAL 1-arm NCT04705662

GI Effects of Iron in Healthy Volunteers

Investigating the Effects of Iron on the Gastrointestinal Tract in Health.

Sponsor: Anglia Ruskin University

Conditions Iron Deficiency Anemia Iron Deficiency Anemia Treatment Iron-deficiency Microbial Colonization

Interventions Daily Diary Ferrous Sulphate Irritable Bowel syndrome severity scoring system (IBS-SSS) questionnaire Lactulose breath test Stool sample

Updated 10 times since 2021 Last updated: Apr 16, 2025 Started: Mar 1, 2021 Primary completion: Jun 30, 2022 Completion: Jun 30, 2022

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

This NA trial investigates Iron Deficiency Anemia and Iron Deficiency Anemia Treatment and is currently completed. Anglia Ruskin University leads this study, which shows 10 recorded versions since 2021 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

10 versions recorded

May 2025 — Present [monthly]

Completed NA
Sep 2024 — May 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Nov 2022 — Jul 2024 [monthly]

Completed NA

Status: Recruiting → Completed
May 2022 — Nov 2022 [monthly]

Recruiting NA

▶ Show 5 earlier versions

Nov 2021 — May 2022 [monthly]

Recruiting NA
Jun 2021 — Nov 2021 [monthly]

Recruiting NA
May 2021 — Jun 2021 [monthly]

Recruiting NA
Apr 2021 — May 2021 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting
Feb 2021 — Apr 2021 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Anglia Ruskin University
Dr Anthony Hobson

Data source: The Functional Gut Clinic

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

Study Locations

• Cambridge, United Kingdom
• Manchester, United Kingdom