Investigation of DHA Intake in Pregnant and Lactating Women in China

December 1, 2014 updated by: Liu Jianmeng, Peking University
This is a multi-center, cross-sectional, non-interventional, observational study--an investigation carried out in 816 pregnant (pregnant week 17±2 group and pregnant week 39±2 group; 408 cases in each group) and 408 lactating women (post-natal lactation day 42±7 group) from a total of 4 sites in 3 typical areas (1 coastal regions, 2 inland regions and 1 lake regions) in China to study the correlation between DHA intake and DHA concentrations in blood and breast milk.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Detailed Description

This is a multi-center, cross-sectional, non-interventional, observational study in 816 pregnant (gestation week 17±2 group and gestation week 39±2 group 408 cases in each group) and 408 lactating women (post-natal lactation day 42±7 group) from a total of 4 sites in 3 typical areas (1 coastal regions, 2 inland regions and 1 lake regions) in China to study the correlation between DHA intake and DHA concentrations in blood and breast milk. Investigators are mainly physicians majoring in gynaecology and obstetrics, etc. During visits, the study physician will record the patient's social demographic data, disease and relevant medication history, review her medical records, assess DHA intake by the DHA Screener, and determine DHA concentrations in erythrocyte membrane, plasma and breast milk, so as to validate the feasibility of DHA Screener as DHA intake assessment tool for determining DHA concentrations in the body.

Subjects meeting inclusion criteria and non of the exclusion criteria will be informed of relevant information of the study. Subjects should be voluntarily consent to participate in the study and sign the informed consent form.

Screening of the study is scheduled for as long as 5 months. In this study, additional examinations or other interventions are not required.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
1254

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.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 40 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Sampling Method

Non-Probability Sample

Study Population

816 pregnant (pregnant week 17±2 group and pregnant week 39±2 group; 408 cases in each group) and 408 lactating women (post-natal lactation day 42±7 group)

Description

Inclusion Criteria:

PREGNANT WOMEN:

  • Healthy women presenting at their week 17±2 and week 39±2 obstetric examination;
  • 18-40 years of age;
  • Monocyesis;
  • Having signed the informed consent form voluntarity before participating in the study.

LACTATING WOMEN:

  • Healthy women presenting at their day 42±7 post-natal visit;
  • 18-40 years of age;
  • Monocyesis;
  • Having signed the informed consent form voluntarily before participating in the study

Exclusion Criteria:

  • Administration of DHA supplements (milk powder for pregnant women, DHA soft capsule, Zmarto, NURIZ, Naturies, HeadDHA, Beibeicong, Nutrimed etc);
  • Still experiencing severe vomiting after 16 weeks of pregnancy;
  • Women who have heart, liver, kidney, (ALT and AST≥ 1.5 times of normal upper limit, Cr>normal upper limit) or severe lung disease or laboratory abnormality (i.e.lipid metabolism disorder) that may interfere with the interpretation of study results, as indicated in previous examinations;
  • Pregnant woman currently participating in other clinical trials or who have participated in another clinical trial in the last 30 days;
  • Women who in the judgement of the investigator cannot be expected to comply with the protocol or study procedures.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
To evaluate the feasibility in using DHA Screener for determination of internal DHA concentration
Time Frame: 5 months
Correlation between DHA Screener and DHA concentration in plasma; Correlation between DHA Screener and DHA concentration in erythrocyte membrane; Correlation between DHA Screener and DHA concentration in breast milk.
5 months

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
To compare the correlation between DHA Screener and RBC DHA among different subgroups. To compare DHA intake assessed by DHA Screener against Chinese recommendations of DHA intake.
Time Frame: 5 months
  1. To assess correlation between DHA Screener assessment tool and RBC DHA among study groups;
  2. To compare DHA intake assessed by DHA Screener against Chinese recommendations of DHA intake.
5 months
To compare DHA intake assessed by DHA Screener against Chinese recommendations of DHA intake.
Time Frame: 5 months
To compare DHA intake assessed by DHA Screener against Chinese recommendations of DHA intake.
5 months

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
To assess the correlation between DHA intake and DHA concentrations in the blood and breast milk of lactating women
Time Frame: 5 months
To assess the correlation between DHA intake and DHA concentrations in the blood and breast milk of lactating women
5 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Peking University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Chair: Jianmeng Liu, Doctor, Peking University

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 Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2014

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 1, 2014

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
October 1, 2014

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 1, 2014

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 1, 2014

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 4, 2014

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
December 2, 2014

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
December 1, 2014

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
December 1, 2014

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 14.10.CN.INF

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.

Clinical Trials on Nutrient Intake Disorder

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

Cookie Settings

We use cookies to ensure that we give you the best experience on our website. For more details carefully read our Privacy and Cookies Policy. ...>>>You can change your preferences or withdraw your consent at any time by deleting the cookies from your website or computer as described in the policy. Please accept it and choose your preferences by ticking the corresponding boxes in the "Manage Settings" section below. Please carefully read our Terms of Service before you proceed with using any part of this website.
«Manage Settings