Effect of Red Meat Intake on Occurrence of Serum Non-transferrin Bound Iron (NTBI)
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
During Visit 1, blood samples will be collected to assess iron status. During Visit 2, after an overnight fast, participant will be given a standardized meal (rice and potatoes) with a portion of cooked beef (200 g). Blood samples will be collected right before and 2 hour after the meal for NTBI analysis.
NTBI concentration before and after meal consumption will be compared.
Study Type
Study Type
Enrollment (Anticipated)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Singapore, Singapore
- National University of Singapore; National University Hospital
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Apparently healthy male volunteers (21 - 45 years old)
- C-reactive protein (CRP) < 5 mg/L
Exclusion Criteria:
- Blood donation or significant blood loss (e.g. surgery) within the past 4 months
- Regular intake of iron and other nutrient supplements within the past 4 months
- Regular intake of medication except oral contraceptives
- Acute or recent inflammatory or infectious symptoms
- Chronic gastrointestinal disorders or metabolic diseases
- Smoking
- Coeliac disease or gluten-related disorders
- Iron deficiency anemia (Hb < 14 g/dL for males) with serum ferritin concentration < 30 ng/mL)
- Non-iron deficiency anemia (serum ferritin concentration within normal range (30 - 300 ng/mL for males) but low hemoglobin (< 14 g/dL for males)
- Iron overload conditions (serum ferritin concentration > 300 ng/mL for males)
- Known hereditary disorders of iron metabolism
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Other: Beef
Beef topside fully cooked, 200g
|
200 g beef topside which is fully cooked will be provided to participant after overnight fast.
The intervention is one time only.
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Occurrence of serum non-transferrin bound iron (NTBI) after consumption of red meat
Time Frame: 2 hour post meal administration
|
Blood samples collected 2 h after consumption of red meat will be analyzed for non-transferrin bound iron (NTBI) concentration
|
2 hour post meal administration
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Thomas Walczyk, Ph.D, National University, Singapore
Publications and helpful links
General Publications
- Trumbo P, Yates AA, Schlicker S, Poos M. Dietary reference intakes: vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. J Am Diet Assoc. 2001 Mar;101(3):294-301. doi: 10.1016/S0002-8223(01)00078-5. No abstract available.
- Monsen ER, Hallberg L, Layrisse M, Hegsted DM, Cook JD, Mertz W, Finch CA. Estimation of available dietary iron. Am J Clin Nutr. 1978 Jan;31(1):134-41. doi: 10.1093/ajcn/31.1.134.
- Papanikolaou G, Pantopoulos K. Iron metabolism and toxicity. Toxicol Appl Pharmacol. 2005 Jan 15;202(2):199-211. doi: 10.1016/j.taap.2004.06.021.
- Hutchinson C, Al-Ashgar W, Liu DY, Hider RC, Powell JJ, Geissler CA. Oral ferrous sulphate leads to a marked increase in pro-oxidant nontransferrin-bound iron. Eur J Clin Invest. 2004 Nov;34(11):782-4. doi: 10.1111/j.1365-2362.2004.01416.x. No abstract available.
- Schumann K, Kroll S, Romero-Abal ME, Georgiou NA, Marx JJ, Weiss G, Solomons NW. Impact of oral iron challenges on circulating non-transferrin-bound iron in healthy Guatemalan males. Ann Nutr Metab. 2012;60(2):98-107. doi: 10.1159/000336177. Epub 2012 Mar 6.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Anticipated)
Primary Completion
Study Completion (Anticipated)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- 13-441
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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