The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants. (HIDVID)

January 9, 2024 updated by: Alicja Kołodziejczyk, Princess Anna Mazowiecka Hospital, Warsaw, Poland

The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants. A Randomized Controlled Study.

The aim of this study will be to assess the effectiveness of monitored vit D supplementation in a population of preterm infants and to identify whether the proper vit D supplementation in preterm infants can reduce the incidence of neonatal sepsis and incidence of metabolic bone disease.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Not yet recruiting

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.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Vitamin D deficiency can escalate prematurity bone disease in preterm infants and negatively influence their immature immunology system. Infants born at 24+0/7 weeks to 32+6/7 weeks of gestation will be considered for inclusion. Cord or vein blood samples will be obtained within 48 h after birth for 25-hydroxyvitamin D level measurements. Parathyroid hormone and interleukin-6 levels will be measured. Infants will be randomized to the monitored group (i.e., initial dose of 1000 IU/day and possible modification) or the controlled group (i.e., 250 IU/day or 500 IU/day dose, depending on weight). Supplementation will be monitored up to postconceptional age 35 weeks. The primary endpoint is the percentage of infants with deficient or suboptimal 25-hydroxyvitamin D levels at 28±2 days of age. 25-Hydroxyvitamin D levels will be measured at postconceptional age 35±2 weeks. Secondary objectives include the incidence of sepsis, osteopenia, hyperparathyroidism, and elevated interleukin-6 concentration. The aim of this study will be to assess the effectiveness of monitored vitamin D supplementation in a population of preterm infants and to determine whether a high initial dose of monitored vitamin D supplementation in preterm infants can reduce the incidence of neonatal sepsis and incidence of metabolic bone disease.

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.
Interventional

Enrollment (Estimated)

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.
130

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

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

  • Child

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • preterm infants with a gestational age of 24+0/7 to 32+6/7 born at our clinic
  • preterm infants with a gestational age of 24+0/7 to 32+6/7 outborn and admitted to our intensive care unit within 48h after delivery
  • written informed consent form caregivers for the mother and the child to participate in the study

Exclusion Criteria:

  • infants born at >32 weeks of gestation
  • infants with major congenital abnormalities or other severe congenital malformations
  • infants with genetic disorders (diagnosed before and after birth) deemed incompatible with survival
  • infants with diagnosed cholestasis
  • the absence of written informed consent and challenges in communication with caregivers

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

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: monitored group
Infants in the monitored group will receive an initial dose of 1000 IU of vit D (cholecalciferol/ Devikap; Polpharma, Starogard Gdański, Poland).
Dietary supplement: cholecalciferol/ Devikap
Infants in the monitored group will receive an initial dose of 1000 IU of vit D. An additional 160 IU/kg of vit D is included in parenteral nutrition, as well as 150-300 IU/kg in enteral nutrition, depending on the amount and source of enteral feeding (i.e., human milk fortifiers or milk formula). At 28±2 days of age, blood samples will be obtained for 25(OH)D concentration measurement, followed by measurements every 4 weeks and/or 35±1 weeks of PCA. In the monitored group, vit D doses will be appropriately modified, based on 25(OH)D levels, using the scheme described in the Polish recommendation. The intake from the diet will be calculated from the second month of life.
Dietary supplement: cholecalciferol/ Devikap
Infants in the controlled group will receive 250 IU for very low birth weight infants and 500 IU for infants weighing above 1000 g. An additional 160 IU/kg of vit D is included in parenteral nutrition, as well as 150-300 IU/kg in enteral nutrition, depending on the amount and source of enteral feeding (i.e., human milk fortifiers or milk formula). Infants assigned to the standard therapy group will undergo the same blood sample collection procedure as the monitored group, but without any alterations in their dosing regimen.
Active Comparator: controlled group
Infants in the controlled group will receive 250 IU (cholecalciferol/ Devikap; Polpharma, Starogard Gdański, Poland) for very low birth weight infants and 500 IU (cholecalciferol/ Devikap; Polpharma, Starogard Gdański, Poland) for infants weighing above 1000 g.
Dietary supplement: cholecalciferol/ Devikap
Infants in the monitored group will receive an initial dose of 1000 IU of vit D. An additional 160 IU/kg of vit D is included in parenteral nutrition, as well as 150-300 IU/kg in enteral nutrition, depending on the amount and source of enteral feeding (i.e., human milk fortifiers or milk formula). At 28±2 days of age, blood samples will be obtained for 25(OH)D concentration measurement, followed by measurements every 4 weeks and/or 35±1 weeks of PCA. In the monitored group, vit D doses will be appropriately modified, based on 25(OH)D levels, using the scheme described in the Polish recommendation. The intake from the diet will be calculated from the second month of life.
Dietary supplement: cholecalciferol/ Devikap
Infants in the controlled group will receive 250 IU for very low birth weight infants and 500 IU for infants weighing above 1000 g. An additional 160 IU/kg of vit D is included in parenteral nutrition, as well as 150-300 IU/kg in enteral nutrition, depending on the amount and source of enteral feeding (i.e., human milk fortifiers or milk formula). Infants assigned to the standard therapy group will undergo the same blood sample collection procedure as the monitored group, but without any alterations in their dosing regimen.

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
The number of infants with deficient or suboptimal 25(OH)D levels.
Time Frame: at 28±2 days of age, after that every 4 weeks (number of measurements depends on gestation age at birth) and/ or at 35±1 weeks of postconceptional age
25-hydroxyvitamin D serum level below 30ng/ml
at 28±2 days of age, after that every 4 weeks (number of measurements depends on gestation age at birth) and/ or at 35±1 weeks of postconceptional age

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
The number of infants with neonatal late-onset sepsis.
Time Frame: after 3 days of age
blood culture-proven (one blood sample of at least 1 mL) and/or clinical sepsis occurring after 3 days of age
after 3 days of age
The number of infants with biochemical markers of metabolic bone disease.
Time Frame: at 35±1 weeks of postconceptional age
serum levels of alkaline phosphatase >500 IU and serum phosphate <1.8 mmol/L
at 35±1 weeks of postconceptional age
The number of infants with hyperparathyroidism.
Time Frame: at birth, at 28±2 days of life, and at 35±1 weeks of postconceptional age
serum or plasma concentration of PTH in infants should be 10-40 pg/mL
at birth, at 28±2 days of life, and at 35±1 weeks of postconceptional age
The number of infants with high interleukin-6 levels.
Time Frame: at birth, at 28±2 days of life, and at 35±1 weeks of postconceptional age
the reference interval is calculated as 44 pg/mL; it is released within 2 h after the onset of bacteremia, peaks at approximately 6 h, and finally declines over the following 24 h
at birth, at 28±2 days of life, and at 35±1 weeks of postconceptional age
The number of infants with nephrocalcinosis and nephrolithiasis.
Time Frame: at 28±2 days of life and at 35±1 weeks of postconceptional age
venous samples for serum and urine calcium, and creatinine level measurements
at 28±2 days of life and at 35±1 weeks of postconceptional age
The number of infants with potentially toxic 25(OH)D levels.
Time Frame: at 28±2 days of age, after that every 4 weeks (number of measurements depends on gestation age at birth) and/ or at 35±1 weeks of postconceptional age
25-hydroxyvitamin D serum level exceeding 100 ng/mL
at 28±2 days of age, after that every 4 weeks (number of measurements depends on gestation age at birth) and/ or at 35±1 weeks of postconceptional age

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.
Princess Anna Mazowiecka Hospital, Warsaw, Poland

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Medical University of Warsaw

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: Renata Bokiniec, MD, PhD, renata.bokiniec@wum.edu.pl

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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 (Estimated)

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.
September 1, 2024

Primary Completion (Estimated)

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.
September 1, 2027

Study Completion (Estimated)

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.
December 31, 2027

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).
December 27, 2023

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.
January 9, 2024

First Posted (Actual)

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.
January 10, 2024

Study Record Updates

Last Update Posted (Actual)

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.
January 10, 2024

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.
January 9, 2024

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.
January 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

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.
  • VitD-2023

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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.

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