Efficacy and safety of emulsified microsomal ferric pyrophosphate vs. Ferrous Ascorbate in pregnancy with

Ameet Patki1, G S Jyothi2, Vidya Thobbi3

  • 1Fertility Associates Clinic, 81, 4th Floor, Gupte House, Police Station, Swami Vivekananda Rd, near Khar, Ram Krishna Nagar, Khar West, Mumbai, 400054, Maharashtra, India.

Scientific Reports
|November 12, 2025
PubMed

Insights

Emulsified microsomal Ferric pyrophosphate (EMFP) offers a safer, well-tolerated alternative for treating iron-deficiency anemia (IDA) in pregnant women, showing comparable efficacy to Ferrous Ascorbate with fewer side effects.

Area of Science:

  • Obstetrics and Gynecology
  • Hematology
  • Nutritional Science

Background:

  • Iron-deficiency anemia (IDA) is a prevalent complication during pregnancy, affecting maternal and fetal health.
  • Traditional iron supplements like Ferrous Ascorbate can cause gastrointestinal (GI) side effects, impacting patient compliance.
  • Novel iron formulations are needed to improve treatment outcomes and tolerability in pregnant populations.

Purpose of the Study:

  • To compare the efficacy and safety of emulsified microsomal Ferric pyrophosphate (EMFP) against Ferrous Ascorbate in treating IDA in second-trimester pregnant women.
  • To evaluate differences in adverse event profiles and clinical symptom improvement between the two iron formulations.
  • To assess the effectiveness of EMFP at a significantly lower elemental iron dose.

Main Methods:

  • A 4-week randomized controlled study involving pregnant women (20-35 years) with IDA (Hb 9-10.5 g/dL, ferritin <15 mcg/L).
  • Participants received either EMFP (27 mg elemental iron) or Ferrous Ascorbate (100 mg elemental iron) daily.
  • Efficacy endpoints included changes in hemoglobin, serum ferritin, and reticulocyte hemoglobin (RET-He); safety assessed via adverse event reporting.

Main Results:

  • Both EMFP and Ferrous Ascorbate demonstrated similar significant improvements in hemoglobin and serum ferritin levels.
  • EMFP showed a superior safety profile with zero adverse events compared to 11.1% in the Ferrous Ascorbate group, primarily GI-related symptoms.
  • The EMFP group experienced greater improvement in clinical symptoms like dizziness and fatigue, despite receiving one-third the elemental iron dose.

Conclusions:

  • EMFP is as effective as Ferrous Ascorbate in improving hematological parameters for IDA in pregnant women.
  • EMFP exhibits significantly better tolerability and safety, with reduced GI adverse effects, enhancing patient compliance.
  • EMFP presents a promising, lower-dose alternative for managing iron-deficiency anemia during pregnancy.