Epidemiological Study of Iron Deficiency & Iron Deficiency Anemia in

Status Completed

Clinical Trial Summary

The purpose of this study is to know the prevalence of iron deficiency (ID) and iron deficiency anemia (IDA) among pregnant women in Chinese urban district at present, and to analyze the epidemiological characteristics of ID/IDA and influencing factors.

Clinical Trial Description

This is a national large-scale multi-center cross-sectional survey aimed at investigating the epidemiology of iron deficiency (ID) and iron deficiency anemia (IDA) among Chinese pregnant women in the real world at present, which is anticipated to complete enrollment in two months. A total of 24 hospitals are selected from 6 regions (north, northeast, east, south, southwest, and northwest) of China by the method of multi-stage stratified sampling, each region with one tertiary teaching hospital and three general hospital or health care hospital for women and children. According to the sample size calculation formula combined with the feasibility and flexibility of study, 12000 eligible outpatient pregnant women are expected to be enrolled. Structured questionnaires, which are needed filled in both by patients and doctors, are used to collect participants' data, including basic demographic characteristics (age, occupation, educational level, family income, etc.), reproductive factors (menstrual history, times of pregnancy or parity, history of cesarean section, etc.), pre-pregnancy weight, pregnancy comorbidities and complications, laboratory test of blood routine and serum iron protein, use of iron supplements, diet and living habits during pregnancy, and others. The outcomes are defined by the recommendations on the guidelines for the diagnosis and treatment of Chinese iron deficiency and iron deficiency anemia during gestation period in 2014. All these data are requested to input the electronic data collecting (EDC) system in time and managed level-to-level, with Chinese Evidence-based Medicine Centre finally monitoring the quality of data. During the whole course, no intervention is given to the participants and thus will not have a negative effect on the health and rights of the participants. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02887963
Study type	Observational
Source	West China Hospital
Contact
Status	Completed
Phase	N/A
Start date	September 2016
Completion date	January 2017

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Epidemiological Study of Iron Deficiency and Iron Deficiency Anemia in Chinese Pregnant Women — EIDACPW

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms