Study of Vitamin D3 Substitution to Patients With Primary Immunodeficiency

NCT ID: NCT01131858

Last Updated: 2012-04-05

Study Results

Results pending

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.

Recruitment Status

COMPLETED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

140 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-03-31

Study Completion Date

2011-06-30

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

Hypothesis: Cholecalciferol (vitamin D3) prevent respiratory tract infections in patients with primary immunodeficiency.

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.

Primary Immune Deficiency Disorder

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Placebo

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo

Vitamin D

Vigantol (cholecalciferol) 4000 IE/day

Group Type ACTIVE_COMPARATOR

Vigantol

Intervention Type DRUG

Vigantol 4000IU/day

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Vigantol

Vigantol 4000IU/day

Intervention Type DRUG

Placebo

Placebo

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Age 18-75
* Increased number of respiratory tract infections
* At least 42 days of infections during 2008 or 2009
* S-25 OH vitamin D3 \< 250 nM
* Not planning a pregnancy during the coming year
* Accepting the use of contraceptives during 1 year

Exclusion Criteria

* Continuous antibiotic treatment
* Hypercalcemia
* Sarcoidosis
* Kidney disease
* Tuberculosis
* Pregnancy
* Kidney stone
* Heart medication (glycosides)
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Karolinska University Hospital

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Peter Bergman

MD, PhD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Jan Andersson, MD/PhD

Role: PRINCIPAL_INVESTIGATOR

Karolinska University Hospital

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Karolinska Univerisity Hospital

Stockholm, , Sweden

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Sweden

References

Explore related publications, articles, or registry entries linked to this study.

Bergman P, Norlin AC, Hansen S, Bjorkhem-Bergman L. Vitamin D supplementation improves well-being in patients with frequent respiratory tract infections: a post hoc analysis of a randomized, placebo-controlled trial. BMC Res Notes. 2015 Sep 29;8:498. doi: 10.1186/s13104-015-1504-2.

Reference Type DERIVED
PMID: 26419363 (View on PubMed)

Bergman P, Norlin AC, Hansen S, Bjorkhem-Bergman L. Vitamin D supplementation to patients with frequent respiratory tract infections: a post hoc analysis of a randomized and placebo-controlled trial. BMC Res Notes. 2015 Aug 30;8:391. doi: 10.1186/s13104-015-1378-3.

Reference Type DERIVED
PMID: 26319134 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

2009/1678-31/4

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Vitamin D and Severe Asthma Exacerbations
NCT01921894 COMPLETED PHASE1