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Co-administration of Calcium and Multiple Micronutrient Supplements for Maternal and Newborn Hemoglobin and Iron Status

Study acronym: CaMMS
StatusRecruiting
PhasePhase 3
Started
View on ClinicalTrials.gov ↗
Trial flagged as At Risk
Primary completion moved at least 7 months later Aug 2026 → Apr 2027
See other at-risk trials from Johns Hopkins Bloomberg School of Public Health

Record History

See every version on ClinicalTrials.gov ↗

  1. Primary and study completion pushed from Aug 2026 to Apr 2027v7
  2. Study description expanded, about 3 wordsv6
  3. Site details revised at 1 of 2 sitesv5
  4. Trial status: Not Yet Recruiting to Recruiting
    • Start date changed from estimate of Aug 2025 to Aug 25, 2025
    • Site details revised at 2 of 2 sites
    v4
  5. Start date: Jun 2025 to Aug 2025
    • Collaborators: 2 to 4
    v3
  6. Start date: Mar 2025 to Jun 2025
    • Eligibility criteria expanded, about 9 words
    v2
  7. 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  • Stopped: an ongoing trial was terminated, suspended or withdrawn.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 World Health Organization (WHO) currently recommends the pregnant women receive iron-containing supplements and, in settings where calcium intake is low, calcium supplements. Supplements are to be taken at two separate times of the day as calcium may interfere with iron absorption. The goal of this clinical trial is to learn whether taking daily calcium supplements and iron-containing multiple micronutrient supplements together, at the same time, has any negative impact on the hemoglobin or iron status of pregnant women or the woman's infants. Participants will be randomly assigned and counseled to either take the supplements together every morning or to take the multiple micronutrient supplement in the morning and the calcium supplement in the evening. Participants will visit the antenatal clinic monthly and be asked to provide a blood sample in early, mid, and late pregnancy. Researchers will also take blood samples from infants at the time of birth.
Trial Details
NCT Number NCT06568315
Lead Sponsor Johns Hopkins Bloomberg School of Public Health
Collaborators: Institut Africain de Santé Publique (African Institute of Public Health), Aga Khan University, Bill and Melinda Gates Foundation, Children's Investment Fund Foundation
Conditions
(from sponsor)		 Anemia, Iron Deficiency
Related terms Anemia, Anemia, Iron-Deficiency
Enrollment 3,200 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov