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A Study Evaluating the Persistency of Response With or Without Xolair (Omalizumab) After Long-term Therapy

Information source: Genentech, Inc.
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Allergic Asthma

Intervention: Omalizumab (Drug); Placebo (Drug); Asthma therapies (Drug)

Phase: Phase 4

Status: Completed

Sponsored by: Genentech, Inc.

Official(s) and/or principal investigator(s):
Clinical Trials, Study Director, Affiliation: Genentech, Inc.

Summary

This was a randomized, double-blind, placebo-controlled, 2-arm, 1-year study of participants who completed the EXCELS study (NCT00252135) and had received long-term treatment with Xolair. In addition, participants who did not participate in the EXCELS study but received long-term (~5 years) treatment with Xolair were allowed to enter the study.

Clinical Details

Official title: A Phase IV, Multicenter, Randomized, Double-blind, Placebo-controlled Study Evaluating the Persistency of Response With or Without Xolair After Long-term Therapy (XPORT)

Study design: Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Primary outcome: Percentage of Participants Not Experiencing a Protocol-defined Severe Exacerbation During the Study

Secondary outcome: Time to the First Protocol-defined Severe Exacerbation

Detailed description: The treatment designation for participants who reached the primary efficacy endpoint (1 protocol-defined severe asthma exacerbation) was unblinded to allow appropriate clinical intervention. Participants who had their treatment designation unblinded remained in the study for ongoing evaluation of safety and were allowed to continue on study drug known to be Xolair (or to start study drug known to be Xolair if they were in the placebo group).

Eligibility

Minimum age: 17 Years. Maximum age: 70 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Signed Informed Consent Form (ICF). In the case of a minor, consent must be given by

the child's parent or legally authorized representative.

- Participants who have completed the EXCELS study prior to this study must have met

all inclusion criteria for enrollment in the EXCELS study.

- History of positive skin test or in vitro reactivity to an aeroallergen.

- Continuous Xolair (omalizumab) exposure from the beginning of the EXCELS study to

randomization into this study (if the participant participated in the EXCELS study), or within the previous 5 years prior to randomization into this study (if the participant did not participate in the EXCELS study). For the purposes of this study, continuous Xolair exposure is defined as having missed no more than 25% of scheduled Xolair doses. In addition, a maximum of 2 doses can be missed within the last 6 months before being randomized into this study. For participants who did not participate in the EXCELS study, missed-dose rates will be based on their injection records.

- Patients who participated in the EXCELS study must have completed the EXCELS study

and not discontinued Xolair since the completion of the EXCELS study.

- Diagnosis of moderate to severe persistent allergic asthma while on Xolair as defined

per physician's assessment.

- Stable dosing of current asthma therapies, in addition to Xolair, over 2 months prior

to enrollment.

- Serum IgE level ≥ 30 to ≤ 700 IU/mL before initiation of Xolair treatment (prior to

the EXCELS study enrollment or earlier).

- Body weight ≥ 30 to ≤ 150 kg.

- Treatment with Xolair consistent with the US package insert (USPI) (based on the

dosing table, recommended dose, administration, and dosing interval) prior to enrollment to this study.

- Participants who participated in the EXCELS study must be willing to allow their

EXCELS study data to be used in this study as part of baseline demographic values (such as forced expiratory volume in 1 second [FEV1] and Asthma Control Test [ACT]), as documented in the ICF. Exclusion Criteria:

- Participation in other therapy trials or planned participation during the following

year from screening.

- Contraindication to Xolair therapy (eg, participants who experienced a severe

hypersensitivity reaction to Xolair).

- Acute asthma exacerbation within the 2 months immediately prior to screening that

required any of the following: Initiation of systemic corticosteroids, increased dosing of systemic corticosteroids relative to "stable" dose, doubling of inhaled corticosteroid (ICS) dosing, emergency room visit, and hospitalization.

- Any significant, or unstable, systemic disease (eg, infection, hematologic, renal,

hepatic, cardiovascular diseases, or gastrointestinal diseases), or a recent hospitalization because of systemic disease within the previous 2 months.

- Diagnosis of active lung disease other than asthma.

- Having more than 10 pack-years smoking history.

- Diagnosis of cystic fibrosis.

- Use of an experimental drug within 30 days prior to study screening.

- Unable or unwilling to comply with study procedures and visits (eg, spirometry, blood

draws).

- Have elevated serum IgE levels for reasons other than allergy (eg, parasite

infections, hyperimmunoglobulin E syndrome, Wiskott-Aldrich syndrome, or bronchopulmonary aspergillosis).

- Pregnancy, lactation, or any planned pregnancy in the following year.

Locations and Contacts

Huntsville, Alabama 35801, United States

Little Rock, Arkansas 72205, United States

Bakersfield, California 93301, United States

Fresno, California 93720, United States

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Rockville Center, New York 11570, United States

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Fargo, North Dakota 58103, United States

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Beaver Creek, Ohio 45434, United States

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Oklahoma City, Oklahoma 73112, United States

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Altoona, Pennsylvania 16601, United States

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Carlisle, Pennsylvania 17013, United States

Harrisburg, Pennsylvania 17110, United States

Pittsburgh, Pennsylvania 15213, United States

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Upland, Pennsylvania 19013, United States

Lincoln, Rhode Island 02865, United States

Greenville, South Carolina 29607, United States

Knoxville, Tennessee 37909, United States

Dallas, Texas 75230, United States

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Richmond, Virginia 23298, United States

Spokane, Washington 99204, United States

Tacoma, Washington 98405, United States

Wheeling, West Virginia 26003, United States

Madison, Wisconsin 53715, United States

Additional Information

Starting date: May 2010
Last updated: October 8, 2014

Page last updated: August 23, 2015

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