CClinicalTrials.gg
CompletedNCT00813748X-PANDUpdated Jul 11, 2017Results posted

Pharmacosurveillance Data Repository of Patients With and Without History of Anaphylactic Reactions Subsequent to Xolair Dosing

An observational study in Allergic Asthma, sponsored by Genentech, Inc.. Completed at 7 sites in United States. Per ClinicalTrials.gov, last updated 2017-07-11.

Sponsored by Genentech, Inc. · Observational

Study type
Observational
Model
Other
Time perspective
Other
Enrollment
118
Sex
All
01

Study summary

This study will establish a clinical data and serum repository of anaphylaxis cases associated with Xolair administration and control patients who have received Xolair without associated anaphylaxis. This is an observational repository and not an investigational clinical trial. Associated with the repository is an optional skin testing substudy.

02

Conditions studied

  • Allergic Asthma

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Keywords

  • Asthma
  • Anaphylaxis
03

In context

Anaphylaxis

88 studies on the registry are indexed under Anaphylaxis; 16 are open to participants now.

This study's enrollment of 118 is below the median of 147 across 45 observational studies indexed under Anaphylaxis.

Browse Anaphylaxis studies →

Lead sponsor

Genentech, Inc. is the lead sponsor of 507 studies on the registry; 23 are open to participants now.

Of its 90 completed or terminated interventional studies of FDA-regulated products, 50 (56%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

primary care clinic

Eligibility criteria

Inclusion Criteria for Cases:

  • Confirmed anaphylaxis based on Sampson criteria subsequent to Xolair

Inclusion Criteria for Controls:

  • At least 1 patient control among 4 controls who discontinued Xolair for at least 16 weeks but not more than 18 months at enrollment
  • At least one dose of Xolair in the 18 months before the date of the case event (index date)
  • No prior anaphylaxis or other hypersensitivity reaction subsequent to Xolair dosing, including any reactions to its components
05

Study design

Observational model
Other
Time perspective
Other
Enrollment
118 participants (actual)
Patient registry
No
Biospecimen retention
Samples with dna

Interventions

  • DrugXolair
06

What researchers measure

Primary outcomes

  1. Number of Participants With Clinical Signs and Symptoms of Adjudicated Anaphylaxis Events - Case Participants

    Clinical signs and symptoms of adjudicated anaphylaxis events included: Cutaneous/Subcutaneous/Mucosal, Respiratory (R), Cardiovascular (CV), and Gastrointestinal (GIT) signs and symptoms.

    Time frame: Baseline (Enrollment Visit)

  2. Time From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants

    Time frame: Baseline (Enrollment Visit)

  3. Categorical Time From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants

    Time from last omalizumab dose to adjudicated anaphylactic symptoms was classified as: less than (\<) 30 minutes, 30-60 minutes, greater than (\>) 60-90 minutes, \>90-120 minutes, \>120 minutes to 360 minutes, and missing. Number of participants in each time category is reported.

    Time frame: Baseline (Enrollment Visit)

  4. Total Omalizumab Doses Received When Adjudicated Anaphylactic Event Occurred - Case Participants

    Omalizumab doses were classified as: 1 dose, 2 doses, 3 doses, 4-20 doses, 21-40 doses, 41-60 doses, \>60 doses, and missing. Number of participants in each dose category is reported.

    Time frame: Baseline (Enrollment Visit)

  5. Treatment Received Following Adjudicated Anaphylactic Event - Case Participants

    Treatment received following adjudicated anaphylactic event was classified as: antihistamine, epinephrine, inhaled beta agonists, systemic corticosteroids, and other. Number of participants in each treatment category is reported. Participants could have received more than 1 treatment.

    Time frame: Baseline (Enrollment Visit)

  6. Outcome Attributed to Adjudicated Anaphylactic Event - Case Participants

    Outcomes of adjudicated anaphylactic event were classified as: death, life-threatening, required in-patient hospitalization or its prolongation, disabling, congenital anomaly/birth defect in offspring of participant, and other (outcome did not meet any of the above criteria, but may jeopardize the participant, and may require medical or surgical intervention to prevent one of the outcomes listed above). Number of participants in each outcome category is reported. Only outcomes with results are reported.

    Time frame: Baseline (Enrollment Visit)

  7. Number of Participants Reinitiating Omalizumab After Adjudicated Anaphylactic Event - Case Participants

    Time frame: Baseline (Enrollment Visit)

  8. Number of Participants With Prior Unadjudicated Anaphylactic Events - Case Participants

    Time frame: Baseline (Enrollment Visit)

  9. Treatment Following Prior Unadjudicated Anaphylactic Events - Case Participants

    Treatment received following prior unadjudicated anaphylactic events was classified as: antihistamine, epinephrine, inhaled beta agonists, systemic corticosteroids, and other. Number of participants in each treatment category is reported. Participants could have received more than 1 treatment.

    Time frame: Baseline (Enrollment Visit)

  10. Number of Participants With Subsequent Unadjudicated Anaphylactic Events - Case Participants

    Time frame: Baseline (Enrollment Visit)

  11. Treatment Following Subsequent Unadjudicated Anaphylactic Events - Case Participants

    Treatment received following subsequent unadjudicated anaphylactic event was classified as: antihistamine, epinephrine, inhaled beta agonists, systemic corticosteroids, and other. Number of participants in each treatment category is reported. Participants could have received more than 1 treatment.

    Time frame: Baseline (Enrollment Visit)

  12. Medications Received Within Two Weeks Prior to the Adjudicated Anaphylactic Event - Case Participants

    Number of participants in each medication class is reported. Participants could have received more than 1 medication class. NEC: Not Elsewhere Classified.

    Time frame: Baseline (Enrollment Visit)

  13. Medications Within Two Weeks Prior to Blood Draw

    Number of participants in each medication class is reported. Participants could have received more than 1 medication class.

    Time frame: Baseline (Enrollment Visit)

  14. Number of Participants With Anti-Therapeutic Antibodies (ATA) - Main Study

    Participants with positive immunoglobulin G (IgG) ATA, negative IgG ATA, positive immunoglobulin E (IgE) ATA, and negative IgE ATA are reported.

    Time frame: Baseline (Enrollment Visit)

  15. Number of Participants With Positive Skin Reaction After Skin Prick Test - Skin Testing Substudy

    Time frame: Substudy Day 1

  16. Number of Participants With ATA - Skin Testing Substudy

    Participants with positive IgG ATA, negative IgG ATA, positive IgE ATA, and negative IgE ATA are reported.

    Time frame: Substudy Week 10

07

Results

Posted Sep 15, 2015
Limitations and caveats
Endpoint prioritization was not specified in study protocol; hence, all endpoints are reported as primary.

Participant flow

Main Observational Study
Participant flow — Main Observational Study
MilestoneOmalizumab CasesOmalizumab Controls
Started3088
Completed3088
Not completed00
Skin Test Substudy
Participant flow — Skin Test Substudy
MilestoneOmalizumab CasesOmalizumab Controls
Started38
Completed37
Not completed01
Withdrew: Physician decision01

Outcome measures

PrimaryNumber of Participants With Clinical Signs and Symptoms of Adjudicated Anaphylaxis Events - Case Participants

Clinical signs and symptoms of adjudicated anaphylaxis events included: Cutaneous/Subcutaneous/Mucosal, Respiratory (R), Cardiovascular (CV), and Gastrointestinal (GIT) signs and symptoms.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Number of Participants With Clinical Signs and Symptoms of Adjudicated Anaphylaxis Events - Case Participants
participantsOmalizumab Cases
Cutaneous/Subcutaneous/Mucosal + R24
Cutaneous/Subcutaneous/Mucosal + R + CV2
Cutaneous/Subcutaneous/Mucosal + R + GIT1
Cutaneous/Subcutaneous/Mucosal + CV1
R + CV + GIT1
CV1
PrimaryTime From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants
Time frame:
Baseline (Enrollment Visit)
Reported as:
Median · minutes
Time From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants
minutesOmalizumab Cases
Time From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants30 (0 to 210)
PrimaryCategorical Time From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants

Time from last omalizumab dose to adjudicated anaphylactic symptoms was classified as: less than (\<) 30 minutes, 30-60 minutes, greater than (\>) 60-90 minutes, \>90-120 minutes, \>120 minutes to 360 minutes, and missing. Number of participants in each time category is reported.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Categorical Time From Last Omalizumab Dose to Adjudicated Anaphylactic Symptoms - Case Participants
participantsOmalizumab Cases
<30 minutes13
30-60 minutes8
>60-90 minutes3
>90-120 minutes2
>120-360 minutes1
Missing3
PrimaryTotal Omalizumab Doses Received When Adjudicated Anaphylactic Event Occurred - Case Participants

Omalizumab doses were classified as: 1 dose, 2 doses, 3 doses, 4-20 doses, 21-40 doses, 41-60 doses, \>60 doses, and missing. Number of participants in each dose category is reported.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Total Omalizumab Doses Received When Adjudicated Anaphylactic Event Occurred - Case Participants
participantsOmalizumab Cases
1 Dose6
2 Doses3
3 Doses2
4-20 Doses8
21-40 Doses4
41-60 Doses4
>60 Doses1
Missing2
PrimaryTreatment Received Following Adjudicated Anaphylactic Event - Case Participants

Treatment received following adjudicated anaphylactic event was classified as: antihistamine, epinephrine, inhaled beta agonists, systemic corticosteroids, and other. Number of participants in each treatment category is reported. Participants could have received more than 1 treatment.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Treatment Received Following Adjudicated Anaphylactic Event - Case Participants
participantsOmalizumab Cases
Antihistamine23
Epinephrine21
Inhaled Beta Agonists13
Systemic Corticosteroids19
Other6
PrimaryOutcome Attributed to Adjudicated Anaphylactic Event - Case Participants

Outcomes of adjudicated anaphylactic event were classified as: death, life-threatening, required in-patient hospitalization or its prolongation, disabling, congenital anomaly/birth defect in offspring of participant, and other (outcome did not meet any of the above criteria, but may jeopardize the participant, and may require medical or surgical intervention to prevent one of the outcomes listed above). Number of participants in each outcome category is reported. Only outcomes with results are reported.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Outcome Attributed to Adjudicated Anaphylactic Event - Case Participants
participantsOmalizumab Cases
Life-Threatening12
In-Patient Hospitalization or its Prolongation6
Other12
PrimaryNumber of Participants Reinitiating Omalizumab After Adjudicated Anaphylactic Event - Case Participants
Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Number of Participants Reinitiating Omalizumab After Adjudicated Anaphylactic Event - Case Participants
participantsOmalizumab Cases
Number of Participants Reinitiating Omalizumab After Adjudicated Anaphylactic Event - Case Participants4
PrimaryNumber of Participants With Prior Unadjudicated Anaphylactic Events - Case Participants
Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Number of Participants With Prior Unadjudicated Anaphylactic Events - Case Participants
participantsOmalizumab Cases
Number of Participants With Prior Unadjudicated Anaphylactic Events - Case Participants7
PrimaryTreatment Following Prior Unadjudicated Anaphylactic Events - Case Participants

Treatment received following prior unadjudicated anaphylactic events was classified as: antihistamine, epinephrine, inhaled beta agonists, systemic corticosteroids, and other. Number of participants in each treatment category is reported. Participants could have received more than 1 treatment.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Treatment Following Prior Unadjudicated Anaphylactic Events - Case Participants
participantsOmalizumab Cases
Antihistamine4
Epinephrine2
Inhaled Beta Agonists3
Systemic Corticosteroids1
Other1
PrimaryNumber of Participants With Subsequent Unadjudicated Anaphylactic Events - Case Participants
Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Number of Participants With Subsequent Unadjudicated Anaphylactic Events - Case Participants
participantsOmalizumab Cases
Number of Participants With Subsequent Unadjudicated Anaphylactic Events - Case Participants3
PrimaryTreatment Following Subsequent Unadjudicated Anaphylactic Events - Case Participants

Treatment received following subsequent unadjudicated anaphylactic event was classified as: antihistamine, epinephrine, inhaled beta agonists, systemic corticosteroids, and other. Number of participants in each treatment category is reported. Participants could have received more than 1 treatment.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Treatment Following Subsequent Unadjudicated Anaphylactic Events - Case Participants
participantsOmalizumab Cases
Antihistamine1
Epinephrine1
Inhaled Beta Agonists1
Systemic Corticosteroids1
Other1
PrimaryMedications Received Within Two Weeks Prior to the Adjudicated Anaphylactic Event - Case Participants

Number of participants in each medication class is reported. Participants could have received more than 1 medication class. NEC: Not Elsewhere Classified.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Medications Received Within Two Weeks Prior to the Adjudicated Anaphylactic Event - Case Participants
participantsOmalizumab Cases
5-Hydroxytryptamine Receptor 1 (5-HT1) Agonists1
Adrenergics/Sympathomimetics3
Aminoglycoside Antimicrobials1
Analgesic/Other Drug Combinations2
Analgesics4
Angiotensin II Receptor Antagonists2
Antacids NEC1
Antianxiety Agents1
Antidepressants NEC1
Antidiuretics1
Antiemetics NEC2
Antihistamines16
Antipsychotic and Antimanic Agents2
Benzodiazepines6
Biguanides1
Bisphosphonates1
Bronchodilators and Antiasthmatics29
Calcium Channel Blocking Agents3
Cephalosporin Antibiotics1
Cough Preparations2
Diuretics NEC1
Glycopeptide Antibiotics1
Herbal,Homeopathic,& Dietary Supplements1
Histamine H2-receptor Antagonists3
Laxatives and Stool Softeners1
Leukotriene Receptor Antagonists21
Macrolide Antibiotics2
Miscellaneous Gastrointestinal Agents1
Muscle Relaxants1
Non-steroidal Anti-inflammatories2
Opioid Analgesics1
Penicillins1
Peripheral and Cerebral Vascular Agents1
Proton Pump Inhibitors10
Salicylates1
Sedatives and Hypnotics1
Selective Serotonin Re-uptake Inhibitors4
Sex Hormones3
Statins2
Steroid/Other Drug Combinations1
Steroids22
Supplements2
Thiazide Diuretics1
Thyroid Hormones4
Tricyclic Antidepressants4
Vitamins and Minerals2
PrimaryMedications Within Two Weeks Prior to Blood Draw

Number of participants in each medication class is reported. Participants could have received more than 1 medication class.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Medications Within Two Weeks Prior to Blood Draw
participantsOmalizumab CasesOmalizumab Controls
5-HT1 Agonists02
5-Hydroxytryptamine Receptor 3 (5-HT3) Antagonists10
Adrenergics/Sympathomimetics20
Alpha-adrenoreceptor Antagonists24
Aminoglycoside Antimicrobials01
Aminosalicylates01
Analgesic/Other Drug Combinations35
Analgesics511
Androgens and Anabolic Steroids03
Angiotensin II Receptor Antagonists56
Angiotensin-converting Enzyme Inhibitors16
Anorexiants and CNS Stimulants26
Antacids NEC01
Antiallergic Agents NEC01
Antiandrogens02
Antianemic Agents02
Antianginal Agents NEC01
Antianxiety Agents12
Anticoagulants04
Anticonvulsants NEC312
Antidepressants NEC110
Antidiuretics10
Antiemetics NEC24
Antifungal Agents01
Antiglaucoma Agents01
Antigout Agents05
Antihistamines1957
Antihypertensive Agents NEC29
Antimalarial Agents01
Antimetabolites02
Antimicrobial/Other Drug Combinations01
Antiparkinsonism Agents NEC01
Antipsychotic and Antimanic Agents33
Antispasmodics and Anticholinergics51
Antitrichomonal Agents11
Antiviral Agents NEC01
Benzodiazepines910
Beta-adrenoceptor Blocking Agents24
Biguanides15
Bisphosphonates13
Bronchodilators and Antiasthmatics2770
Calcium Channel Blocking Agents612
Calcium Compounds and Regulators47
Cephalosporin Antibiotics01
Cold and Sinus Remedies13
Cough Preparations05
Cox-2 Inhibitors12
Dermatologic Agents12
Diuretics NEC06
Dopaminergic Agents20
Enzymes01
Fibrates02
Folic Acid and Derivatives12
Herbal,Homeopathic,& Dietary Supplements416
Histamine H2-receptor Antagonists56
Hypertensives10
Hypoglycemics NEC13
Immunosuppressants12
Insulins02
Laxatives and Stool Softeners13
Leukotriene Receptor Antagonists1949
Lipid Regulating Agents NEC02
Local Anesthetics10
Loop Diuretics29
Macrolide Antibiotics32
Miscellaneous Cardiovascular Agents01
Miscellaneous Drugs01
Mucosal Protectants10
Muscle Relaxants26
Nitrofurans01
Non Drug Therapies11
Non-steroidal Anti-inflammatories69
Opioid Analgesics26
Parasympathomimetics and Antimyasthenics10
Penicillins12
Peripheral and Cerebral Vascular Agents10
Pharmaceutic Aids12
Pharmacotherapeutic Class (ES) Not Known03
Phenothiazines10
Platelet Aggregation Inhibitors03
Proton Pump Inhibitors1336
Quinolone Antibiotics03
Salicylates412
Sedatives and Hypnotics25
Selective Serotonin Re-uptake Inhibitors815
Sex Hormones814
Statins320
Steroid/Other Drug Combinations03
Steroids2453
Sulfonylureas21
Supplements112
Tetracyclines10
Therapeutic Gases22
Thiazide Diuretics33
Thiazolidinediones02
Thyroid Hormones512
Tricyclic Antidepressants34
Vaccines, Toxoids and Serologic Agents11
Vitamins and Minerals924
PrimaryNumber of Participants With Anti-Therapeutic Antibodies (ATA) - Main Study

Participants with positive immunoglobulin G (IgG) ATA, negative IgG ATA, positive immunoglobulin E (IgE) ATA, and negative IgE ATA are reported.

Time frame:
Baseline (Enrollment Visit)
Reported as:
Number · participants
Number of Participants With Anti-Therapeutic Antibodies (ATA) - Main Study
participantsOmalizumab CasesOmalizumab Controls
Participants with Positive IgG ATA00
Participants with Negative IgG ATA2110
Participants with Positive IgE ATA00
Participants with Negative IgE ATA2110
PrimaryNumber of Participants With Positive Skin Reaction After Skin Prick Test - Skin Testing Substudy
Time frame:
Substudy Day 1
Reported as:
Number · participants
Number of Participants With Positive Skin Reaction After Skin Prick Test - Skin Testing Substudy
participantsOmalizumab CasesOmalizumab Controls
Number of Participants With Positive Skin Reaction After Skin Prick Test - Skin Testing Substudy02
PrimaryNumber of Participants With ATA - Skin Testing Substudy

Participants with positive IgG ATA, negative IgG ATA, positive IgE ATA, and negative IgE ATA are reported.

Time frame:
Substudy Week 10
Reported as:
Number · participants
Number of Participants With ATA - Skin Testing Substudy
participantsOmalizumab CasesOmalizumab Controls
Participants with Positive IgG ATA00
Participants with Negative IgG ATA36
Participants with Positive IgE ATA00
Participants with Negative IgE ATA36

Adverse events

Collected over Main observational study: Baseline (enrollment visit); Skin test substudy: 10 weeks. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Observational Study: Omalizumab Cases - With Anaphylaxis—0/30 (0%)0/30 (0%)
Observational Study: Omalizumab Controls - Without Anaphylaxis—0/88 (0%)0/88 (0%)
Skin Test Substudy: Omalizumab Cases - With Anaphylaxis—1/3 (33.3%)1/3 (33.3%)
Skin Test Substudy: Omalizumab Controls - Without Anaphylaxis—0/7 (0%)1/7 (14.3%)
Most frequent serious events
Most frequent serious events
EventObservational Study: Omalizumab Cases - With AnaphylaxisObservational Study: Omalizumab Controls - Without AnaphylaxisSkin Test Substudy: Omalizumab Cases - With AnaphylaxisSkin Test Substudy: Omalizumab Controls - Without Anaphylaxis
Status asthmaticusRespiratory, thoracic and mediastinal disorders0/300/881/30/7
Most frequent other events
Most frequent other events
EventObservational Study: Omalizumab Cases - With AnaphylaxisObservational Study: Omalizumab Controls - Without AnaphylaxisSkin Test Substudy: Omalizumab Cases - With AnaphylaxisSkin Test Substudy: Omalizumab Controls - Without Anaphylaxis
HeadacheNervous system disorders0/300/881/30/7
AsthmaRespiratory, thoracic and mediastinal disorders0/300/880/31/7

Baseline characteristics

All enrolled participants.

Age, Continuous
Age, Continuous(years)Omalizumab CasesOmalizumab ControlsTotal
Mean42.7 ± 16.4145.4 ± 15.4044.7 ± 15.64
Sex: Female, Male
Sex: Female, Male(Participants)Omalizumab CasesOmalizumab ControlsTotal
Female276087
Male32831
08

Study locations

7 sites
  • Investigational Site
    Los Angeles, California 90025, United States
  • Investigational Site
    Valrico, Florida 33596, United States
  • Investigational Site
    Hinsdale, Illinois 60521, United States
  • Investigational Site
    Kansas City, Missouri 64111, United States
  • Investigational Site
    New York, New York 10022, United States
  • Investigational Site
    Blue Bell, Pennsylvania 19422, United States
  • Investigational Site
    San Antonio, Texas 78229, United States
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 11, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00813748
Lead sponsor
Genentech, Inc.
Responsible party
Sponsor
First posted
Dec 23, 2008
Start date
Mar 2009
Primary completion
Jan 2014
Completion
Jan 2014
Results posted
Sep 15, 2015
Last update
Jul 11, 2017

Study contacts

Abdelkader Rahmaoui, M.D.
study director · Genentech, Inc.
View the source record on ClinicalTrials.gov ↗

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