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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03176147
Other study ID # CHU-336
Secondary ID 2015-A00454-45
Status Active, not recruiting
Phase N/A
First received May 30, 2017
Last updated June 1, 2017
Start date November 12, 2015
Est. completion date January 2018

Study information

Verified date May 2017
Source University Hospital, Clermont-Ferrand
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Iron deficiency anemia is the leading cause of anemia during pregnancy, which can still reach 10 to 20% of pregnant women in developed countries, with potentially serious consequences for the child. Systematic iron supplementation remains controversial.

This study aims to identify in the first trimester of pregnancy clinical and biological predictive factors for the occurrence of iron deficiency anemia in the third trimester of pregnancy.


Description:

Objectives: The main objective is to determine the prevalence of anemia (Hb ≤ 11 g / dl) in the third trimester of pregnancy (T3) and to identify the predictive factors in the first trimester (T1).

Type of study: Prospective monocentric cohort.

Experimental plan: Pregnant women are included during the ultrasound of T1. Written consent will be sought after delivery of the information notice. Hemoglobin, classical iron balance (ferritin, transferrin saturation coefficient) as well as other original parameters: hepcidin and the soluble transferrin receptor are assayed. Socioeconomic and clinical parameters likely to favor an iron deficiency are sought through validated questionnaires. Nutritional advice, combined with martial supplementation if necessary, is given according to a standardized management protocol resulting from the current international recommendations and validated by an internal committee. The prevalence of iron deficiency anemia is determined at T3 (after 34 SA). The predictive factors for this anemia will be sought according to the data collected in T1.

The 2012 WHO's recommendations are in favour of a systematic supplementation of pregnant women. Epidemiological studies show that the anaemia at the end of pregnancy increases the risk of severe anaemia in the postpartum hospital stay and the frequency of transfusions in the mother is multiplied by 9. The quality of life of the mother seems too altered by the anaemia with increased susceptibility to infections, cognitive and emotional disorders in the postpartum period and a decrease of capacity of work and performance. In the human new-born, the anaemia is associated with a risk of prematurity, low weight birth and especially a certain degree of later psycho-motor delay, or even perinatal mortality. Side effects of iron orally, it's cost, make debatable systematic supplementation as interventional studies have given contradictory results in terms of morbidity and mortality infant. In areas where the anaemia prevalence is very high, a systematic supplementation of pregnant by 60 mg of iron (with folic acid) is beneficial in children on clues of psycho-intellectual development at 12, 18 and 24 months while multiple supplementation in micronutrients (containing 30 mg of iron) is not effective. However, systematic supplementation in countries with high socioeconomic level did debate. An Australian study Interventional, controlled, randomized conducted at 430 women showed no efficacy on the intellectual development of children in 4 years, without changing the quality of life of the mother during pregnancy, the authors observing even an increase of abnormal behaviors of the children of the mothers in the Group supplemented iron. In another study, the rational is highly questionable, a treatment by Iron versus placebo was given to pregnant women not anaemic with a high haemoglobin (an average of 14 g/dl): the women who took iron had high blood pressure at the end of pregnancy more and their children had a lower birth for the term weight.

In a developed country such as the France, one can legitimately wonder about the potentially harmful effects of routine iron supplementation for a population of pregnant women mainly not anaemic. In Great Britain of the recently published recommendations are pronounced against a systematic supplementation of iron in pregnant women. Other European authors advocate focused on the rate of ferritin supplementation. However, we are lacking of studies allowing, from clinical criteria and biological precise, to better target pregnant women who could benefit from supplementation of iron in the first quarter.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 865
Est. completion date January 2018
Est. primary completion date June 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 15 Years to 50 Years
Eligibility Inclusion Criteria:

- Pregnant women in the first trimester between 11SA and 13 SA + 6 days

- A written agreement is needed

Exclusion Criteria:

- Women who do not know enough about reading and writing French to answer questionnaires

- Women under 15 at inclusion

Study Design


Intervention

Other:
Iron deficiency anemia
The prevalence of iron deficiency anemia is determined at T3 (after 34 SA). The predictive factors for this anemia will be sought according to the data collected in T1.

Locations

Country Name City State
France CHU de Clermont-Ferrand Clermont-Ferrand Auvergne

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Clermont-Ferrand

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Hemoglobin value in the third trimestry of pregnancy
Secondary Rate of clinical and biological factors per patient demographics and clinical factors and biological factors (hepcidine, ferritine, RST) at the first trimestry of pregnancy
Secondary Rate of demographics and clinical factors per patient biological factors (hepcidine, ferritine, RST) at the first trimestry of pregnancy
Secondary Rate of biological factors per patient Such as : hepcidine, ferritine, RST at the first trimestry of pregnancy
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