Vitamin D for Chronic Sinusitis

August 25, 2016 updated by: University of Chicago

A Randomized, Clinical Trial of a Novel Immunotherapy for Chronic Sinusitis: Vitamin D

The purpose of this study is to examine if vitamin D improves the symptoms of chronic sinusitis.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

30

Phase

  • 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 Locations

  • United States
    • Illinois
      • Chicago, Illinois, United States, 60637
        • University of Chicago

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

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • African American (4 grandparents with AA ancestry)
  • Age>18 years
  • Diagnosis of chronic sinusitis

Exclusion Criteria:

  • Women of childbearing potential not utilizing contraception
  • Subjects with contraindications to vitamin D therapy
  • History of nephrolithiasis, hypercalcemia, sarcoidosis, recent (3 month) hospitalization
  • Use of immunosuppressants/medications that interfere with vitamin D metabolism (e.g., phenytoin and carbamazepine)
  • Malignancy
  • Kidney, gastrointestinal, or liver disorders
  • Immunodeficiency
  • Morbid obesity (BMI>35 kg/m2)
  • Changes to medications for 6 months prior to study entry

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: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo
Placebo pills to take for 12 weeks
Dietary supplement: vitamin D placebo
12 weeks of placebo
Active Comparator: Vitamin D
Vitamin D supplement for 12 weeks
Dietary supplement: Vitamin D
12 weeks supplementation based on serum vitamin D levels

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
score on the Sinonasal Outcome Test-22 (SNOT-22)
Time Frame: study onset, mid-point and conclusion
study onset, mid-point and conclusion

Secondary Outcome Measures

Outcome Measure
Time Frame
Quality of life as measured by SF-36
Time Frame: At entry and at completion of study
At entry and at completion of study

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Chicago

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

November 1, 2009

Primary Completion (Actual)

September 1, 2011

Study Completion (Actual)

September 1, 2011

Study Registration Dates

First Submitted

November 3, 2009

First Submitted That Met QC Criteria

November 3, 2009

First Posted (Estimate)

November 4, 2009

Study Record Updates

Last Update Posted (Estimate)

August 26, 2016

Last Update Submitted That Met QC Criteria

August 25, 2016

Last Verified

August 1, 2016

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 16601A

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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