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Oral Iron in Pregnant Women: How Often to Take It and Its Side Effects and Tolerability

Study acronym: IRONFIT
StatusNot Yet Recruiting
PhaseNot specified
Started
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Record status
This record was last updated January 27, 2026 (before its estimated May 2026 completion). Its status may not reflect the trial's current state.

Record History

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  1. Start date: Dec 21, 2025 to Feb 1, 2026
    • Study description expanded, about 261 words
    • Site contact updated
    • Study title shortened, about 7 words
    v2
  2. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this prospective observational study is to examine the frequency of gastrointestinal side effects associated with oral iron supplementation during pregnancy. The main question it aims to answer is: Does intermittent oral iron supplementation result in fewer gastrointestinal side effects compared with daily supplementation in pregnant women? Pregnant women who are prescribed oral iron as part of their routine medical care will take ferrous sulfate on an alternate-day schedule for one week. If no significant gastrointestinal side effects are reported, they will then take ferrous sulfate daily for an additional week and will be followed for one month. Participants will be contacted by the study investigator to report gastrointestinal side effects, and routine blood tests will be used to assess changes in hemoglobin and iron stores.
Trial Details
NCT Number NCT07356258
Lead Sponsor Bnai Zion Medical Center
Conditions
(from sponsor)		 Iron Adverse Reaction, Anemia Complicating Pregnancy
Enrollment 50 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov