Sustained Effect of Urticaria Remission With Relatively High Dose Vitamin D Supplementation After Omalizumab Discontinuation

NCT ID: NCT02742805

Last Updated: 2018-05-01

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

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE4

Study Classification

INTERVENTIONAL

Study Start Date

2016-02-29

Study Completion Date

2019-12-31

Brief Summary

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The proposed research is intended to determine if supplementation of relatively high dose vitamin D in chronic urticaria patients receiving omalizumab will result in continued symptomatic control of hives after the discontinuation of omalizumab.

Detailed Description

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Conditions

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Urticaria

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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High Dose Vitamin D

Participants receive high dose of Vitamin D (4,000 IU/day) in addition to standard of care dose of Omalizumab.

Group Type EXPERIMENTAL

Vitamin D (4,000 IU/day)

Intervention Type DIETARY_SUPPLEMENT

High Dose of 4,000 IU/day.

Omalizumab

Intervention Type DRUG

Standard of care dose.

Low Dose Vitamin D

Participants receive low dose of Vitamin D (400 IU/day) in addition to standard of care dose of Omalizumab.

Group Type ACTIVE_COMPARATOR

Vitamin D (400 IU/day)

Intervention Type DIETARY_SUPPLEMENT

Low Dose of 400 IU/day.

Omalizumab

Intervention Type DRUG

Standard of care dose.

Interventions

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Vitamin D (4,000 IU/day)

High Dose of 4,000 IU/day.

Intervention Type DIETARY_SUPPLEMENT

Vitamin D (400 IU/day)

Low Dose of 400 IU/day.

Intervention Type DIETARY_SUPPLEMENT

Omalizumab

Standard of care dose.

Intervention Type DRUG

Other Intervention Names

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Xolair

Eligibility Criteria

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Inclusion Criteria

* Physician diagnosed chronic urticaria
* Currently be receiving omalizumab therapy for the treatment of chronic idiopathic urticaria and be well controlled with a USS \<25

Exclusion Criteria

* Not capable of informed consent.
* Not capable of answering the questionnaire.
* Subjects with a pure physical urticaria.
* Pregnant or lactating women.
* Subjects with hypercalcemia (calcium \> 10.3 mg/dl) or renal insufficiency (GFR \<50 ml/min).
* Subjects with prior anaphylaxis to omalizumab.
* Currently taking high dose vitamin D supplementation.
* Prior high dose vitamin D supplementation for urticaria with failure.
* Baseline 25(OH)D \>80 ng/ml
* Subjects with sarcoidosis, hyperparathyroidism, histoplasmosis, lymphoma or tuberculosis
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Selina Gierer, D.O.

OTHER

Sponsor Role lead

Responsible Party

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Selina Gierer, D.O.

Assistant Professor

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Selina Gierer, D.O.

Role: PRINCIPAL_INVESTIGATOR

University of Kansas Medical Center

Locations

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University of Kansas Medical Center

Kansas City, Kansas, United States

Site Status

Countries

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United States

Other Identifiers

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STUDY00002729

Identifier Type: -

Identifier Source: org_study_id

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