Status:

ENROLLING_BY_INVITATION

Iron and Immune Response to Vaccine (IRONMUM)

Lead Sponsor:

University of Oxford

Conditions:

Pregnancy Related

Eligibility:

FEMALE

18+ years

Phase:

NA

Brief Summary

Iron deficiency causes anaemia and is common in pregnant women especially for those living in tropical regions where a high burden of infection and poor nutrition can compromise health. Low iron has b...

Detailed Description

This is a prospective interventional open label cohort study with an exploratory framework. After assessment of gestation by routine ultrasound, women will be invited to participate if they have a via...

Eligibility Criteria

Inclusion

  • Viable singleton pregnancy\<28 weeks confirmed by ultrasound
  • 18 years and older
  • Willingness and ability to comply with the study protocol for the duration of the study
  • Can understand information about the study and provide consent

Exclusion

  • Any diphtheria-tetanus vaccine within the previous 2 years
  • History of allergic reaction to diphtheria-tetanus or COVID-19 vaccine
  • Haematocrit \<21% or Haematocrit \>50%
  • Known severe haemoglobinopathy (HbE/beta-thalassaemia syndrome, beta-thalassaemia major or HbH syndrome)\* or G6PD deficiency
  • \* Iron supplementation is safe in pregnant women with haemoglobin E, alpha-thalassemia 1, or beta-thalassemia carriers.
  • HIV-positive
  • Slide confirmed presence of malaria
  • Fever (defined at \>37.5°C)
  • Symptoms of COVID (these women will be PCR tested as routine in clinic)
  • Known severe medical or obstetric complication e.g. valvular heart disease, placenta praevia
  • Known or clinical vitB12 deficiency as indicated by megaloblastic anaemia (pernicious anaemia or clinical symptoms)

Key Trial Info

Start Date :

June 18 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2025

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT05385042

Start Date

June 18 2022

End Date

December 31 2025

Last Update

August 19 2025

Active Locations (1)

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Shoklo Malaria Research Unit (SMRU)

Mae Sot, Changwat Tak, Thailand, 63110