- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02047552
RCT of Goal-directed Iron Supplementation of Anemic, Critically Ill Trauma Patients, With and Without Oxandrolone
A Randomized Controlled Pilot Study of Goal-directed Iron Supplementation of Anemic, Critically Ill Trauma Patients With Functional Iron Deficiency, With and Without Oxandrolone
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The inflammatory response associated with traumatic critical illness rapidly induces a functional iron deficiency, characterized by hypoferremia, decreased transferrin saturation (TSAT), hyperferritinemia, and iron-deficient erythropoiesis (IDE). These derangements in iron metabolism are primarily related to upregulation of the iron regulatory protein hepcidin, which inhibits ferroportin-mediated release of iron from both duodenal enterocytes and macrophages. The resultant functional iron deficiency both contributes to intensive care unit (ICU) anemia and increases the packed red blood cell (pRBCs) transfusion requirement.
Treatment strategies for functional iron deficiency in critically ill patients may be divided broadly into (1) iron supplementation and (2) mitigation of the effects of hepcidin. The goals of treatment are to reverse the serum iron debt, eliminate IDE, improve anemia, and ultimately decrease pRBCs transfusions. Given that approximately 90% of critically ill trauma patients with an ICU length of stay (LOS) ≥ 7 days receive at least one pRBCs transfusion, any strategy that has even a modest impact upon the transfusion requirement is likely to improve overall health outcomes substantially.
Issues surrounding iron supplementation of critically ill patients include formulation, dose, route of administration, hepcidin antagonism, and mitigation of the complications of iron overload, particularly infection. Our first RCT of iron supplementation of critically ill surgical patients compared enteral ferrous sulfate 325 mg thrice daily to placebo (NCT00450177). Although a significant reduction in pRBCs transfusion requirement for the iron group was observed, low injury severity, intolerance of enteral medications, and a predominance of traumatic brain injury limited generalizability. In a second multicenter RCT, we compared intravenous iron sucrose 100 mg thrice weekly to placebo among critically ill trauma patients (NCT01180894, NTI-ICU-008-01) [8]. Iron supplementation using this generic dosing scheme did not impact the serum iron concentration, TSAT, IDE, anemia, or pRBCs transfusion requirement. Rather, iron supplementation accumulated as ferritin as evidenced by a significantly increased serum ferritin concentration in the iron as compared to the placebo group at all time points. Iron supplementation did not increase the risk of infection in either trial, despite a relatively high incidence of marked hyperferritinemia (serum ferritin concentration > 1,000 ng/mL) in the iron group.
The results of these trials suggest that iron supplementation alone, and using a generic dosing scheme, is ineffective. The current pilot trial aims to build upon the findings of the prior two RCTs by incorporating both goal-directed iron supplementation and hepcidin antagonism. The hypothesis is that the combination of goal directed iron supplementation and hepcidin mitigation will safely eliminate both the serum and bone marrow iron debt of anemic, critically ill trauma patients with functional iron deficiency.
Study Type
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Colorado
-
Denver, Colorado, United States, 80204
- Denver Health Medical Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Informed consent from patient or patient representative.
- Trauma patient
- Anemia (hemoglobin < 12 g/dL).
Functional iron deficiency:
- Serum iron concentration < 40 ug/dL
- TSAT < 25%
- Serum ferritin concentration > 28 ng/mL
- < 72 hours from ICU admission.
- Expected ICU length of stay ≥ 7 days.
Exclusion Criteria:
- Age < 18 years.
- Active bleeding requiring pRBCs transfusion.
- Iron overload (serum ferritin concentration ≥ 1,500 ng/mL). The serum ferritin concentration is an acute phase reactant that is increased during critical illness regardless of total body iron. Substantial levels of hyperferritinemia (serum ferritin concentration > 1,000 ng/dL) were observed in both NCT00450177 and NCT01180894 without increased risk of infection and despite both low TSAT and IDE. For these reasons, we believe that relative hyperferritinemia (serum ferritin concentration 500 - 1,500 ng/dL) is neither harmful nor indicative of bone marrow iron availability.
- Infection, defined using US Centers for Disease Control and Prevention (CDC) guidelines, with the exception of ventilator-associated pneumonia (VAP), which is defined as clinical suspicion for pneumonia along with a lower respiratory tract culture with ≥ 105 colony forming units per mL.
- Chronic inflammatory conditions (e.g., systemic lupus erythematosis, rheumatoid arthritis, ankylosing spondylitis).
- Pre-existing hematologic disorders (e.g., thalassemia, sickle cell disease, hemophilia, von Willibrand's disease, or myeloproliferative disease).
- Pre-existing hepatic dysfunction (cirrhosis, non-alcoholic steatohepatitis, hepatitis)
- Current or recent (within 30 days) use of immunosuppressive agents.
- Use of any recombinant human erythropoietin formulation within the previous 30 days.
- Known or suspected carcinoma of the breast or prostate.
- Nephrosis, the nephrotic phase of nephritis.
- Hypercalcemia (serum calcium concentration > 10.5 mg/dL).
- Pregnancy or lactation.
- Legal arrest or incarceration.
- Prohibition of pRBCs transfusion.
- Stay of ≥ 48 hours duration in the ICU of a transferring hospital.
- History of intolerance or hypersensitivity to either iron or oxandrolone.
- Moribund state in which death was imminent.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Iron sucrose
Iron sucrose 100 mg IV will be dosed daily for up to seven days if, on morning laboratory analysis, (1) TSAT < 25%, (2) Serum iron concentration < 150 ug/mL, and (3) Serum ferritin concentration < 1,500 ng/mL.
Thus, the maximum possible cumulative dose of iron sucrose over the one-week dosing period will be 700 mg.
|
Iron sucrose 100 mg IV will be dosed daily for up to seven days if, on morning laboratory analysis, (1) TSAT < 25%, (2) Serum iron concentration < 150 ug/mL, and (3) Serum ferritin concentration < 1,500 ng/mL.
Thus, the maximum possible cumulative dose of iron sucrose over the one-week dosing period will be 700 mg.
Other Names:
similar color and size sugar pill
Other Names:
|
Active Comparator: Oxandrolone
Oxandrolone 10 mg PO q12 hours will be dosed for seven days.
|
10 mg PO Q12 hours for seven days
Other Names:
100 mL normal saline
Other Names:
|
Experimental: Iron sucrose + oxandrolone
Combination goal-directed iron sucrose (as described in the iron sucrose only arm) and oxandrolone (as described in the oxandrolone only arm) for seven days.
|
Iron sucrose 100 mg IV will be dosed daily for up to seven days if, on morning laboratory analysis, (1) TSAT < 25%, (2) Serum iron concentration < 150 ug/mL, and (3) Serum ferritin concentration < 1,500 ng/mL.
Thus, the maximum possible cumulative dose of iron sucrose over the one-week dosing period will be 700 mg.
Other Names:
10 mg PO Q12 hours for seven days
Other Names:
|
Placebo Comparator: IV iron placebo and Oxandrolone placebo
100 mL normal saline in place of iron and similar color and size sugar pill for Oxandrolone placebo
|
similar color and size sugar pill
Other Names:
100 mL normal saline
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Serum iron debt (as measured by the transferrin saturation)
Time Frame: One week
|
The transferrin saturation will be measured at baseline and daily thereafter for one week
|
One week
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Bone marrow iron debt (as measured by the zinc protoporphyrin)
Time Frame: one week
|
Zinc protoporphyrin will be measured at baseline and daily thereafter for one week
|
one week
|
Serum ferritin concentration
Time Frame: one week
|
The serum ferritin concentration will be measured at baseline and daily thereafter for one week
|
one week
|
serum hepcidin concentration
Time Frame: one week
|
The serum hepcidin concentration will be measured at baseline and daily thereafter for one week.
|
one week
|
Liver function tests
Time Frame: one week
|
Liver function tests will be measured at baseline and daily thereafter for one week.
|
one week
|
Erythropoeitin concentration
Time Frame: one week
|
The serum erythropoeitin concentration will be measured at baseline and daily thereafter for one week.
|
one week
|
Red blood cell transfusion requirement
Time Frame: 28 days
|
The incidence and number of red blood cell transfusions will be collected for 28 days.
|
28 days
|
Hemoglobin
Time Frame: 28 days
|
The hemoglobin concentration will be measured at baseline and daily thereafter for 28 days.
|
28 days
|
Infections
Time Frame: 28 days
|
The incidence, types, and number of infections will be collected for 28 days.
|
28 days
|
All cause mortality
Time Frame: 28 days
|
All cause mortality will be collected for 28 days
|
28 days
|
Collaborators and Investigators
Investigators
- Principal Investigator: Fredric M Pieracci, MD, MPH, Denver Health Medical Center
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Metabolic Diseases
- Hematologic Diseases
- Anemia, Hypochromic
- Anemia
- Iron Metabolism Disorders
- Anemia, Iron-Deficiency
- Wounds and Injuries
- Physiological Effects of Drugs
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Trace Elements
- Micronutrients
- Hematinics
- Androgens
- Anabolic Agents
- Iron
- Ferric Oxide, Saccharated
- Oxandrolone
Other Study ID Numbers
- 14-0167
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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