Retrospective Observational Study on the Risk in Developing Long-COVID Syndrome and in Contracting SARS-CoV-2 Infection After COVID-19 Vaccination in Relation to Vitamin D3 Supplementation
NCT ID: NCT06452082
Last Updated: 2024-06-11
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
ACTIVE_NOT_RECRUITING
200 participants
OBSERVATIONAL
2024-03-20
2027-03-31
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
* occurence of Long COVID syndrome after acute COVID-19 illness
* occurence of SARS-CoV-2 infection after anti-COVID-19 vaccination
Related Clinical Trials
Explore similar clinical trials based on study characteristics and research focus.
Vitamin D Supplementation and Clinical Improvement in COVID-19
NCT05126602
Increased Risk of Severe Coronavirus Disease 2019 in Patients With Vitamin D Deficiency
NCT04403932
High Dose Vitamin-D Substitution in Patients With COVID-19: a Randomized Controlled, Multi Center Study
NCT04525820
Effectiveness and Safety of Two Vitamin D3 Supplementation Regimens in Adults with Early-stage COVID-19
NCT06585995
A Single Wintertime Dose of Vitamin D3 to Prevent Winter Decline in Vitamin D Status in Healthy Adults
NCT01924910
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
CASE_CONTROL
RETROSPECTIVE
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
patients on therapy with cholecalciferol
No interventions assigned to this group
patients not on cholecalciferol therapy
No interventions assigned to this group
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
* outpatient with first visit on Endocrinology Department performed from 01/01/2020 to 31/12/2022
* previous SARS CoV-2 infection
* clinical,anamnestic and therapeutic data 6 months post SARS CoV-2 infection
* data on cholecalciferol supplementation
* signature of informed consent
\-- age ≥18
* outpatient with first visit on Endocrinology Department performed from 01/01/2020 to 31/12/2022
* vaccination with BNT162b2 Biontec mRNA Pfizer/BioNtech
* clinical, anamnestic and therapeutic data 6 months post SARS CoV-2 infection
* data on cholecalciferol supplementation
* signature of informed consent
Exclusion Criteria
* pregnant or breastfeeding women
* patients suffering from primary and/or acquired immunodeficiency and/or severe impairment of general clinical conditions
* patients treated with drugs that interfere with vitamin D metabolism
* first vaccination anti Sars COVID performed before the acute infection
* first vaccination performed within 6 months of the acute infection
* patients unable to sign the informed consent
* age ≤ 18
* pregnant or breastfeeding women
* patients suffering from primary and/or acquired immunodeficiency and/or severe impairment of general clinical conditions
* patients treated with drugs that interfere with vitamin D metabolism
* additional vaccination performed before 6-12 months
* acute infection before the vaccination
* patients unable to sign the informed consent
18 Years
ALL
No
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
IRCCS San Raffaele
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Luigi Di Filippo
Medical Physician Specialist in Endocrinology
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
Luigi di Filippo
Milan, , Italy
Countries
Review the countries where the study has at least one active or historical site.
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
ABIO/NC/06
Identifier Type: -
Identifier Source: org_study_id
More Related Trials
Additional clinical trials that may be relevant based on similarity analysis.