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Calcium Carbonate to Augment Labor Contractions

Study acronym: CALC
StatusRecruiting
PhasePhase 4
Started
View on ClinicalTrials.gov ↗
Record status
This record was last updated October 23, 2025 (before its estimated December 2025 completion). Its status may not reflect the trial's current state.

Record History

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  1. Enrollment target: 50 to 60
    • Primary and study completion dates: Sep 2025 to Dec 2025
    v4
  2. Trial status: Not Yet Recruiting to Recruiting
    • Start date changed from estimate of Nov 2024 to Nov 18, 2024
    • Site details revised
    v3
  3. Enrollment target: 30 to 50v2 Show 7 more changesShow less
    • Start date: Sep 2024 to Nov 2024
    • Primary endpoints: 2 to 3
    • Interventions: Calcium Carbonate 500 MG (Drug) to Calcium Carbonate 500 MG (Drug), Standard Dose Synthetic Pitocin (Drug)
    • Secondary endpoints: 7 to 10
    • Study description expanded, about 50 words
    • Site contact updated
    • Study arms: 3 to 2
  4. 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  • Stopped: an ongoing trial was terminated, suspended or withdrawn.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 investigators think that calcium carbonate can act as an assistive medication to improve contractions during labor.
Trial Details
NCT Number NCT06580782
Lead Sponsor Weill Medical College of Cornell University
Conditions
(from sponsor)		 Labor Dystocia, Labor Induction, Labor Augmentation
Related terms Dystocia
Enrollment 60 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov