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Clinical Trials/NCT06350955
NCT06350955
Recruiting
Phase 4

Intravenous Iron-induced Hypophosphatemia in Patients With Roux-en-Y Gastric Bypass: a Single-blind, Randomized Clinical Trial Comparing Iron Isomaltoside (Monofer®) and Ferric Carboxymaltose (Ferinject®)

Lucie Favre1 site in 1 country94 target enrollmentStarted: May 2, 2024Last updated:

Overview

Phase
Phase 4
Status
Recruiting
Sponsor
Lucie Favre
Enrollment
94
Locations
1
Primary Endpoint
incidence of hypophosphatemia in RYGB patients treated with intravenous iron

Overview

Brief Summary

The primary objective of the study is to compare the incidence of hypophosphatemia in RYGB patients treated with intravenous (IV) single dose of iron isomaltoside (Monofer®) or ferric carboxymaltose (Ferinject®).

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Single (Participant)

Eligibility Criteria

Ages
18 Years to 99 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Patients over 18 years
  • Signed informed consent
  • Patients with previous RYGB surgery performed \> 12 months ago
  • Failed response to oral iron supplementation
  • Established diagnosis of iron deficiency by ferritin \< 50 ug/l or serum ferritin ≤100ug/l and low transferrin saturation (TSAT) ≤ 30%
  • Normal phosphate blood level (0.8 - 1.45 mmol/l) before infusion
  • Normal magnesium blood level (0.65-1.05 mmol/l)
  • Outpatient

Exclusion Criteria

  • - Patients with known hypersensitivity to iron preparation and/or anaphylaxis from any cause
  • Patients for whom a treatment with one of the IV iron is contra-indicated (based on product summary of product characteristics)
  • Women who are pregnant or breastfeeding
  • Intention to become pregnant during the course of the study
  • Renal failure, chronic kidney disease stage 3b or worse (eGFR ≤ 45 ml/min/1.73m2)
  • Patients who received IV iron infusion during the last 3 months before screening
  • Treatment with erythropoietin or erythropoietin-stimulation agents, red blood cell transfusion within the last 3 months prior to screening
  • Alcohol or drug abuse within the past 6 months
  • Planned surgical procedure within the clinical trial period
  • Surgery under general anaesthesia within the last 3 months prior to screening

Arms & Interventions

Patients with Roux-en-Y gastric bypass and iron deficiency 1

Experimental

Intervention: Iron isomaltoside (Drug)

Patients with Roux-en-Y gastric bypass and iron deficiency 2

Experimental

Intervention: Iron Carboxymaltose (Drug)

Outcomes

Primary Outcomes

incidence of hypophosphatemia in RYGB patients treated with intravenous iron

Time Frame: day 14 ± 2, 21 ± 2 and 28 ± 2

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor
Lucie Favre
Sponsor Class
Other
Responsible Party
Sponsor Investigator
Principal Investigator

Lucie Favre

Co-director of the Obesity Center, CHUV

Centre Hospitalier Universitaire Vaudois

Study Sites (1)

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