NCT06142136

Brief Summary

The randomized comparative study was performed on 99 outpatients with below 30 ng/ml of vitamin D. Participants were randomized into three groups to receive vitamin D3 supplementation in three different forms - sublingual spray, oral oil droplets, and capsules. Each participant received vitamin D3 4000 IU daily for 30 days and the vitamin D levels were measured before and after the intervention.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
99

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Mar 2021

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

March 28, 2021

Completed
29 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 26, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 26, 2021

Completed
2.6 years until next milestone

First Submitted

Initial submission to the registry

November 15, 2023

Completed
6 days until next milestone

First Posted

Study publicly available on registry

November 21, 2023

Completed
Last Updated

November 21, 2023

Status Verified

March 1, 2021

Enrollment Period

29 days

First QC Date

November 15, 2023

Last Update Submit

November 20, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Changes in vitamin D level in the blood depending on the received vitamin D form.

    The study's primary outcome is to demonstrate the efficacy of sprayable microemulsion of cholecalciferol on the increase in circulating vitamin D levels over a period of 30 days.

    30 days

Study Arms (3)

Vitamin D3 sublingual sprayable microemulsion.

ACTIVE COMPARATOR

Total participants: 34 participants Duration: 30 days.

Dietary Supplement: Vitamin D substitution with sublingual sprayable microemulsion.

Vitamin D3 oil droplets.

ACTIVE COMPARATOR

Total participants: 33 participants Duration: 30 days.

Dietary Supplement: Vitamin D substitution with oil droplets

Vitamin D3 capsules.

ACTIVE COMPARATOR

Total participants: 32 participants Duration: 30 days.

Dietary Supplement: Vitamin D substitution with capsules

Interventions

Participants received sublingual sprayable microemulsion of vitamin D3 4000 IU daily for 30 days.

Vitamin D3 sublingual sprayable microemulsion.

Participants received oil droplets of vitamin D3 4000 IU daily for 30 days.

Vitamin D3 oil droplets.

Participants received capsules of vitamin D3 4000 IU daily for 30 days.

Vitamin D3 capsules.

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Vitamin D3 level in the blood below 30 ng/ml.

You may not qualify if:

  • Celiac disease, Crohn's disease, ulcerative colitis, autoimmune gastritis.
  • Patients with mental health problems.
  • Vitamin D level ≥ 30 ng/ml.
  • Pregnant women.
  • Any other illness or condition that the researcher deemed may interfere with the results.
  • Patients who refuse the studies.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pauls Stradins Clinical Univeristy Hospital

Riga, LV-1002, Latvia

Location

MeSH Terms

Interventions

Capsules

Intervention Hierarchy (Ancestors)

Dosage FormsPharmaceutical Preparations

Study Officials

  • Valdis Pirags, MD, PhD

    Pauls Stradins Clinical University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 15, 2023

First Posted

November 21, 2023

Study Start

March 28, 2021

Primary Completion

April 26, 2021

Study Completion

April 26, 2021

Last Updated

November 21, 2023

Record last verified: 2021-03

Data Sharing

IPD Sharing
Will not share

Locations