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Daily Versus Alternate-Day Oral Iron Therapy for Anemia in Second-Trimester Pregnancy
Daily Versus Alternate-Day Oral Iron Therapy for Anemia Correction in Second-Trimester Pregnant Patients: A Randomized Controlled Trial
Studie Overzicht
Toestand
Interventie / Behandeling
Gedetailleerde beschrijving
Iron deficiency anemia is the leading cause of anemia in pregnancy. Although daily oral iron is standard first-line therapy, it is frequently associated with gastrointestinal side effects and poor adherence. Because hepcidin rises after an iron dose and remains elevated for 24 to 48 hours, daily dosing may reduce fractional absorption; alternate-day dosing allows hepcidin to fall between doses, potentially improving absorption and tolerance.
This single-center, prospective, randomized, parallel-group trial will recruit pregnant women (13 to 27 weeks gestation) with hemoglobin below 11 g/dL and serum ferritin below 30 ng/mL from the antenatal clinic at PAF Teaching Hospital, Islamabad. Eligible, consenting participants will be randomized 1:1 to daily ferrous sulfate (one 325 mg tablet, approximately 65 mg elemental iron, once daily) or alternate-day ferrous sulfate (two 325 mg tablets, approximately 130 mg elemental iron, every other day) for four weeks.
The primary outcome is change in hemoglobin from baseline to Week 4. Secondary outcomes are change in serum ferritin, treatment adherence (proportion taking at least 80 percent of doses, by pill count and diary), and the frequency and severity of gastrointestinal side effects. Outcome assessors (laboratory personnel) are blinded to allocation; participant blinding is not feasible given the differing dosing schedules. Planned enrollment is 184 participants (92 per group), giving 90 percent power to detect a 0.40 g/dL difference in hemoglobin change at a two-sided alpha of 0.05, assuming a standard deviation of 0.83 g/dL.
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: Ammara Suleman
- Telefoonnummer: +92 321 5279502
- E-mail: shazibnawaz2016@gmail.com
Studie Locaties
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Islamabad, Pakistan
- Pakistan Air Force (PAF) Hospital Islamabad
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Aged 18 to 40 years
- Pregnant women in the second trimester (13 to 27 weeks gestation)
- Hemoglobin below 11 g/dL with serum ferritin below 30 ng/mL
- Singleton pregnancy
Exclusion Criteria:
- Known congenital or acquired hemoglobin disorders (e.g., thalassemia, hemoglobinopathies)
- Chronic diseases affecting hemoglobin levels (e.g., chronic kidney disease, inflammatory disorders)
- Bleeding disorders or a history of frequent blood loss
- Gastrointestinal conditions impairing nutrient absorption (e.g., celiac disease or other malabsorption syndromes)
- Currently receiving parenteral iron
- Requiring blood transfusion
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Enkel
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Actieve vergelijker: Daily Iron
One ferrous sulfate 325 mg tablet (approximately 65 mg elemental iron) once daily for four weeks.
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Oral ferrous sulfate 325 mg tablets (approximately 65 mg elemental iron per tablet) administered for four weeks according to the assigned dosing schedule.
All participants receive standardized counseling on administration, diet, side effects, and adherence, and are issued a dose diary.
|
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Experimenteel: Alternate-Day Iron
Two ferrous sulfate 325 mg tablets (approximately 130 mg elemental iron) every other day for four weeks.
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Oral ferrous sulfate 325 mg tablets (approximately 65 mg elemental iron per tablet) administered for four weeks according to the assigned dosing schedule.
All participants receive standardized counseling on administration, diet, side effects, and adherence, and are issued a dose diary.
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Change in hemoglobin from baseline to Week 4
Tijdsspanne: Baseline and Week 4
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Mean within-participant change in hemoglobin concentration (g/dL), measured at baseline and at Week 4, compared between the daily and alternate-day arms.
|
Baseline and Week 4
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Change in serum ferritin from baseline to Week 4
Tijdsspanne: Baseline and Week 4
|
Mean within-participant change in serum ferritin concentration (ng/mL) from baseline to Week 4, compared between groups.
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Baseline and Week 4
|
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Treatment adherence
Tijdsspanne: Through Week 4
|
Proportion of participants taking at least 80 percent of prescribed doses, determined by pill count cross-checked against patient dose diaries.
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Through Week 4
|
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Frequency of gastrointestinal side effects
Tijdsspanne: Through Week 4
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Proportion of participants reporting any gastrointestinal side effect (nausea, vomiting, constipation, metallic taste, or abdominal discomfort) recorded using a structured checklist.
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Through Week 4
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Severity of gastrointestinal side effects
Tijdsspanne: Through Week 4
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Severity of reported gastrointestinal side effects graded as mild, moderate, or severe on a structured checklist.
|
Through Week 4
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Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: Ammara Suleman, MBBS, Pakistan Air Force (PAF) Hospital Islamabad
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- IRON-DvA-2026-01
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
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