NCT04780958

Brief Summary

Retinol and retinol binding protein were studied in the umbilical cord blood of 44 preterm infants with gestation age of \< 30 weeks. Serum retinol and RBP levels were determined by enzyme-linked immunosorbent assay. The rate of transplacental retinol passage was calculated. The demographic data of mother and baby, vitamin use in the mother, antenatal steroid application and diseases diagnosed during pregnancy were recorded. An evaluation was made of the retinol, RBP and factors of the mother and baby affecting the transplacental retinol passage. The relationship between retinol and retinol binding protein levels and neonatal mortality and morbidity was investigated.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
44

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2020

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2020

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 31, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2021

Completed
24 days until next milestone

First Submitted

Initial submission to the registry

February 24, 2021

Completed
8 days until next milestone

First Posted

Study publicly available on registry

March 4, 2021

Completed
Last Updated

March 5, 2021

Status Verified

March 1, 2021

Enrollment Period

8 months

First QC Date

February 24, 2021

Last Update Submit

March 3, 2021

Conditions

Keywords

RetinolPreterm infantMorbidityPlacenta

Outcome Measures

Primary Outcomes (6)

  • Retinol deficiency status in preterm infants and mothers

    Number of Participants with retinol deficiency was evaluated according to the WHO data. Concentration of retinol level \< 20 µg/dl was accepted as a deficiency. The level of deficiency was accepted as \< 200 ng/ml since the unit used in this present study was ng/ml.

    4 months

  • Retinol deficiency in preterm infants with respiratory distress syndrome

    Numbers of preterm infants with respiratory distress syndrome as assessed accordingly European Consensus Respiratory Distress Syndrome, and have been reported retinol deficiency according to WHO data .

    3 months

  • Retinol deficiency in preterm infants with retinopathy of prematurity

    Numbers of preterm infants with retinopathy of prematurity as assessed accordingly the International Classification of Retinopathy of Prematurity, and have been reported retinol deficiency according to WHO data .

    3 months

  • Retinol deficiency in preterm infants with bronchopulmonary dysplasia

    Numbers of preterm infants with bronchopulmonary dysplasia as assessed accordingly the 2001 National Institutes of Health (NIH) Workshop, and have been reported retinol deficiency according to WHO data .

    3 months

  • Retinol deficiency in preterm infants with intraventricular hemorrhage

    Numbers of preterm infants with intraventricular hemorrhage as assessed accordingly Grading System for Neonatal Intraventricular Hemorrhage, and have been reported retinol deficiency according to WHO data .

    3 months

  • Mortality of preterm infants

    It was planned to check mortality rate in preterm infants with retinol deficiency. Retinol deficiency rate was calculated accordingly Who data.

    3 months

Study Arms (1)

Study population

OTHER

During the study period, babies born at this hospital with a gestational week of \<30 were included .

Other: Serum retinol and RBP levels were determined by enzyme-linked immunosorbent assay.

Interventions

Umbilical cord blood was drawn at birth in all babies included in the study by experienced individuals using a vacutainer. Approximately 6 ml of venous blood was also drawn from the antecubital region of the mothers immediately after the birth in a biochemistry tube.In the serum samples, the retinol levels were analyzed using ELISA kits from the Bioassay Technology Laboratory ( E1548 Hu Jiaxing, Zhejiang, China), RBP levels were analyzed using ELISA kits of Elabscience (E-EL-H1581 Texas USA) following the standard protocol suggested by the manufacturer at the Dynex automated ELISA reading device (Dynex Technologies Headquarters, Chantilly, USA)

Study population

Eligibility Criteria

Age5 Minutes - 10 Minutes
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Babies born l with a gestational week of \<30 and their mothers were included in the study.

You may not qualify if:

  • Patients were excluded in the presence of a major abnormality or known congenital metabolic disease in the mother or baby, and the presence of chronic liver, kidney or gastrointestinal system disease in the mother, or if the family did not give consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ataturk University Medical Faculty

Erzurum, 25100, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Vitamin A DeficiencyPremature Birth

Condition Hierarchy (Ancestors)

AvitaminosisDeficiency DiseasesMalnutritionNutrition DisordersNutritional and Metabolic DiseasesObstetric Labor, PrematureObstetric Labor ComplicationsPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Study Officials

  • Kadir Ş Tekgündüz, Assoc.Prof

    Ataturk University

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assoc. Prof.

Study Record Dates

First Submitted

February 24, 2021

First Posted

March 4, 2021

Study Start

June 1, 2020

Primary Completion

January 31, 2021

Study Completion

January 31, 2021

Last Updated

March 5, 2021

Record last verified: 2021-03

Locations