- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00784485
Non-invasive Measures of Effects of Xolair in Asthma
Non-Invasive Measures of Distal Lung Disease in Asthmatics Before and After Treatment With Omalizumab
The purpose of this study is to look at the effectiveness of Xolair® (omalizumab) in people with asthma taking Advair Diskus®. The study will look at the effects of Xolair® on lung function using high resolution computed tomography (HRCT) scans after asthma symptoms are induced with a special substance called methacholine. This study is only taking place at UCLA, where about 13 subjects will be enrolled. Participation requires 10-14 visits over about 26 weeks.
Subjects will receive an albuterol inhaler to use as needed for immediate relief of symptoms and fluticasone 250 mcg/salmeterol 50 mcg or fluticasone 500 mcg/salmeterol 50 mcg (Advair Diskus® 250/50 or 500/50) to be taken twice daily. At certain visits, they will be given Xolair® injections followed by various assessments, including CT scans and lung function tests.
Study Overview
Detailed Description
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Locations
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California
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Los Angeles, California, United States, 90095
- UCLA
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female aged 18 to 65 years, inclusive.
History of moderate to severe asthma: Currently on a medium to high dose of an inhaled corticosteroid (ICS)and long-acting bronchodilator, and/or Criteria for medium dose of ICS as per GINA guidelines. ICS requirements are as follows: Beclomethasone HFA 80* - 4 puffs/day; Budesonide DPI 180*- 4 puffs/day; Budesonide/Fomoterol MDI* - 4 puffs/day; Ciclesonide 80* - 2 puffs/day; Ciclesonide 160* - 2 puffs/day; Flunisolide CFC 250* - 6 puffs/day; Fluticasone 110* - 3 puffs/day; Fluticasone 220* - 2 puffs/day; Fluticasone/salmeterol DPI 250/50 - 2 puffs/day; Fluticasone/salmeterol MDI 115/21 - 4 puffs/day; Fluticasone/salmeterol DPI 500/50 - 2 puffs/day; Fluticasone/salmeterol MDI 230/21 - 4 puffs/day; Triamcinolone* - 10 puffs/day; Mometasone 110* - 4 puffs/day; Mometasone 220* - 2 puffs/day
* with a LABA (fometerol or salmeterol)
- FEV1 greater than/equal to 60% Hankinson predicted normal
- FEV1/FVC less than lower limit of normal Hankinson predicted
- Methacholine PC20 less than/equal to 8 mg/ml
- Be able to sign the Informed Consent Form.
- Positive skin test or a positive, in vitro response, to one relevant perennial aeroallergen (dog, cat, cockroaches, dermatophagoides farinae [dust mite], or dermatophagoides pteronyssinus) documented within the 12 months prior to screening or during the screening process (diameter of wheal greater than/equal to 3 mm vs. control).
- Meet the study drug-dosing table eligibility criteria (serum IgE level greater than/equal to 30 to less than/equal to 700 IU/mL and body weight greater than/equal 30 to less than/equal to 150 kg
Exclusion Criteria:
- The use of the following medications will exclude subjects from entering the study: Oral or parenteral steroids- 6 months; Omalizumab- less than 12 months; Short and long-acting anticholinergics- Stop at time of run-in; Antileukotrienes, beta-adrenergic blocking agents, inhaled cromolyn sodium or nedocromil, macrolide antibiotics- Stop at time of run-in
- Tobacco within 1 year or >5 pack years.
- Pregnant women, lactating women, or women of childbearing age not willing to take precautions to avoid becoming pregnant during the study.
- Subjects with upper respiratory infection or receiving an influenza vaccine within 6 weeks before the study.
- Subjects with a history of allergy or adverse reaction to inhaled beta2-agonists, methacholine, salmeterol, fluticasone, epinephrine or omalizumab or related classes of drug(s).
- Subjects with clinically significant evidence of cardiovascular, central nervous system, endocrine, gastrointestinal, hematopoietic, hepatic, renal, psychiatric, respiratory (other than asthma) disease, or any other severe medical condition(s) that in the view of the investigator prohibits participation in the study
- Use of any other investigational agent in the last 30 days.
- Subjects with exacerbations during the run-in period that in the opinion of the investigator result in an unstable baseline
- Asthma totally controlled during the two weeks prior to omalizumab treatment. Total control is defined as: No days with symptom score > 1; No use of rescue albuterol; PEF > 80% predicted; No night-time awakening; No unscheduled physician or ED visits for asthma
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Xolair injections
All subjects receive active drug (Xolair-see 'interventions').
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In addition to Advair Diskus 250/50 or 500/50, subjects will receive 150 to 375 mg subcutaneous injection every 2 or 4 weeks (depending on IgE levels) for 16 weeks.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change in methacholine shift at baseline compared with the shift after treatment phase. 6 (out of a possible 18) anatomic segment dorsal-peripheral zones demonstrating the greatest decrease in attenuation with methacholine will be selected for analysis.
Time Frame: 3 months
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3 months
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Baseline to post-treatment change in pre-methacholine lung attenuation, using the baseline lung attenuation curve as a covariate. Done for all anatomic segment dorsal-peripheral zones. Results averaged for each subject and averages mean across subjects
Time Frame: 3 months
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3 months
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Physiologic markers (isovolume FEF25-75%, closing volume, the alveolar portion of FENO, and serum markers of inflammation)
Time Frame: 3 months
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3 months
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Ordinal data from questionnaires and diaries
Time Frame: 3 months
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3 months
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Collaborators and Investigators
Investigators
- Principal Investigator: Eric C Kleerup, MD, University of California, Los Angeles
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Xolair CT
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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