Optimizing oral iron dosing strategies for better absorption

Optimizing Dosing Strategies in Oral Iron Supplementation

Phase 4 Interventional Luzerner Kantonsspital · NCT06238895

This study is testing if taking oral iron every day or every other day in a higher dose can help people with iron deficiency absorb more iron and feel better faster.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment100 (estimated)
Ages18 Years and up
SexAll
SponsorLuzerner Kantonsspital Academic / other
Drugs / interventionschemotherapy
Locations1 site (Luzern)
Trial IDNCT06238895 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates whether changing the dosing strategy of oral iron supplementation can improve iron absorption and expedite treatment for patients with iron deficiency. Participants will be divided into two groups: one receiving oral iron every day at the standard dose and the other receiving it every second day at double the standard dose. The primary outcome will be measured by the change in hemoglobin levels after 12 weeks of treatment. Participants will attend three visits throughout the study to monitor their progress.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with confirmed iron deficiency and specific hemoglobin levels.

Not a fit: Patients who have received iron supplementation within the last 12 weeks or have contraindications to the intervention will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more effective and faster treatment options for patients with iron deficiency anemia.

How similar studies have performed: Other studies have explored dosing strategies in iron supplementation, but this specific approach is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Informed Consent signed by the subject
* ≥18 years of age
* Iron deficiency: Ferritin \<30 µg/l
* hemoglobin ≥ 80 g/l
* CRP \< 5 mg/l

Exclusion Criteria:

* Refusal of study participation,
* Regular administration of Erythropoietin
* Oral or intravenous iron supplementation \<12 weeks prior to investigation
* Contraindications to intervention medication (Tardyferon), e.g. known hypersensitivity or allergy to iron sulfate / ferrous sulfate
* Blood transfusion or donation \<12 weeks prior to investigation
* Active chemotherapy
* Inability to follow the procedures of the investigation, e.g. due to language problems, psychological disorders, dementia, etc. of the subject.

Note

Due to slow recruitment, the following inclusion criterion was removed on 09/25/2024 (MM/DD/YYYY):

Anemia (as defined by the WHO): Hemoglobin \<130 g/L for men, Hemoglobin \<120 g/l for women, Hemoglobin \<110 g/l for pregnant women

Where this trial is running

Luzern

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Iron DeficienciesIron Deficiency AnemiaIron Deficiency Anemia Treatmentiron deficiency anemiaoral iron supplementationiron supplementationgender differences
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.