NCT04969237

Brief Summary

In this study routineously collected vitamine D values will compared to healthy cohorts from this year and previous years.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
40

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Aug 2021

Shorter than P25 for all trials

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 16, 2021

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 20, 2021

Completed
12 days until next milestone

Study Start

First participant enrolled

August 1, 2021

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2021

Completed
Last Updated

March 31, 2022

Status Verified

March 1, 2022

Enrollment Period

1 month

First QC Date

July 16, 2021

Last Update Submit

March 29, 2022

Conditions

Post COVID

Outcome Measures

Primary Outcomes (1)

  • vitamin D values between the groups

    6 months

Study Arms (4)

healthy subjects 2019

subjects with diseases not influencing vitamine D values without substitution nor post-COVID

Diagnostic Test: Vitamine D in blood samples

healthy subjects 2020

subjects with diseases not influencing vitamine D values without substitution nor post-COVID

Diagnostic Test: Vitamine D in blood samples

healthy subjects 2021

subjects with diseases not influencing vitamine D values without substitution nor post-COVID

Diagnostic Test: Vitamine D in blood samples

post-COVID subjects 2021

subjects with diseases not influencing vitamine D values without substitution with diagnosed post-COVID syndrome

Diagnostic Test: Vitamine D in blood samples

Interventions

Vitamine D in blood samplesDIAGNOSTIC_TEST

vitamine D values

healthy subjects 2019healthy subjects 2020healthy subjects 2021post-COVID subjects 2021

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

healthy subjects and patients with post-COVID

You may qualify if:

  • patients with or without post-COVID-Syndrome

You may not qualify if:

  • substitution of vitamine D
  • diseases influencing vitamine D level

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Klinikum Emden

Emden, 26721, Germany

Location

MeSH Terms

Interventions

Blood Specimen Collection

Intervention Hierarchy (Ancestors)

Specimen HandlingClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisPuncturesSurgical Procedures, OperativeInvestigative Techniques

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
investigator

Study Record Dates

First Submitted

July 16, 2021

First Posted

July 20, 2021

Study Start

August 1, 2021

Primary Completion

September 1, 2021

Study Completion

September 1, 2021

Last Updated

March 31, 2022

Record last verified: 2022-03

Locations

DE(1)