RECRUITING

Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical Patient

Study Overview

This clinical trial focuses on testing the efficacy of different digital interventions to promote re-engagement in cancer-related long-term follow-up care for adolescent and young adult (AYA) survivors of childhood cancer.

Description

Given the limited long-term effectiveness of traditional weight loss methods, bariatric surgery is increasingly becoming the preferred option for sustained weight loss. With the ascendancy of the laparoscopic approach, the two most common procedures are the Roux-en-Y gastric bypass (RYGB) and the vertical sleeve gastrectomy (VSG). Because bariatric surgery decreases nutrient intake through restriction, malabsorption, or both, and given that obese patients are often malnourished even before surgery, postoperative micronutrient deficiency, particularly of iron, can be a serious complication and difficult to treat. Iron deficiency anemia has been reported to be as high as 49% in the post-bariatric surgical patient. The current standard for correcting iron deficiency anemia in the post-operative bariatric surgical patient is oral iron supplements. However, oral iron therapy is known for its caustic effects on the gastric mucosa causing gastric irritation, nausea, epigastric discomfort and constipation. These debilitating symptoms lead to poor adherence and lower long and short-term efficacy. Furthermore, iron absorption from oral iron supplements when taken with food in patients with low iron stores ranges from 2 to 13% and without food 5 to 28%. An alternative and more effective method of iron replenishment is the use of intravenous iron. A litany of published trials, without contradiction, show marked superiority of intravenous iron in improving hemoglobin concentrations and iron parameters when compared to historical controls. Nonetheless, the current recommendations of the American Society of Metabolic and Bariatric Surgery nutritional guidelines, state that oral iron supplementation for IDA is the recommended first line of treatment. Studies are lacking that compare the efficacy of oral versus intravenous (IV) iron therapy for the treatment of IDA in the post-bariatric surgical patient. The aim of our study is to compare two accepted treatments for iron deficiency anemia (oral ferrous sulfate and intravenous ferumoxytol) for efficacy and speed of response in the treatment of IDA in the post-operative bariatric surgical patient. In this study, 104 bariatric surgical post-operative patients will be randomly assigned 52 each to oral or 52 to a single dose IV iron treatment using double-blind procedures. The primary outcome will be determined at 6 weeks of treatment with a follow-up at 12 months after treatment. Non-responders at 6 weeks after treatment may, if they qualify (based on inclusion/exclusion criteria), have an open-label IV iron treatment and will be followed with the same evaluations used after the first IV iron treatments.

Official Title

A Randomized, Placebo-controlled Comparator Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical Patient

Quick Facts

Study Start:2020-02-27
Study Completion:2024-02
Study Type:Not specified
Phase:Not Applicable
Enrollment:Not specified
Status:RECRUITING

Study ID

NCT04268849

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Ages Eligible for Study:18 Years
Sexes Eligible for Study:ALL
Accepts Healthy Volunteers:No
Standard Ages:ADULT, OLDER_ADULT
Inclusion CriteriaExclusion Criteria
  1. 1. Aged ≥ 18 years
  2. 2. Patients who have undergone a Roux-en Y Gastric Bypass or Vertical Sleeve Gastrectomy and are at least 3 months or more out from surgery.
  3. 3. Iron deficiency anemia defined as iron deficient with either ferritin\<30 mcg/l, TSAT\<20%, or anemia with Hgb\<13 g/dL for both males and females.
  4. 4. Willingness to participate and signing the informed consent form.
  1. 1. Iron overload or disturbances in utilization of iron (e.g. hemochromatosis and hemosiderosis)
  2. 2. Decompensated liver cirrhosis or active hepatitis (ALAT \> 3 times upper limit of normal)
  3. 3. Serum ferritin \> 400 ng/mL or transferrin saturation \>40 %
  4. 4. Active acute or chronic infections (assessed by clinical judgment that may be indicated by White Blood Cells (WBC) and C-Reactive Protein (CRP) when these are available)
  5. 5. Rheumatoid arthritis with symptoms or signs of active inflammation
  6. 6. Pregnant and nursing women
  7. 7. History of multiple allergies (two or more)
  8. 8. Known hypersensitivity to ferumoxytol or oral iron or any excipients in the drug products
  9. 9. Previous IV iron treatment for IDA
  10. 10. Other iron treatment or blood transfusion within 4 weeks prior to the screening or treatment visit
  11. 11. Planned elective surgery during the study
  12. 12. Any other medical condition that, in the opinion of Investigator, may cause the subject to be unsuitable for the completion of the study or place the subject at potential risk from being in the study, e.g. a malignancy, uncontrolled hypertension, unstable ischemic heart disease, or uncontrolled diabetes mellitus

Contacts and Locations

Study Contact

Michael Auerbach, MD
CONTACT
4107804050
mauerbachmd@abhemonc.com
Stella Rineer, RN
CONTACT
410 7804050
srineer@yahoo.com

Study Locations (Sites)

Auerbach Hematology and Oncology
Baltimore, Maryland, 21237
United States

Collaborators and Investigators

Sponsor: Auerbach Hematology Oncology Associates P C

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates

Study Start Date2020-02-27
Study Completion Date2024-02

Study Record Updates

Study Start Date2020-02-27
Study Completion Date2024-02

Terms related to this study

Keywords Provided by Researchers

  • Bariatric Surgery
  • Roux-en-Y gastric bypass (RYGB)
  • Vertical Sleeve Gastrectomy (VSG)

Additional Relevant MeSH Terms

  • Iron Deficiency Anemia