NCT00673218

Brief Summary

If you are allergic to ragweed, and not taking certain medications, you will be asked to have blood drawn. We will perform experiments on your blood cells.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
25

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Jun 2007

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2007

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

March 30, 2008

Completed
1 month until next milestone

First Posted

Study publicly available on registry

May 7, 2008

Completed
4.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2012

Completed
Last Updated

July 6, 2012

Status Verified

July 1, 2012

Enrollment Period

5.4 years

First QC Date

March 30, 2008

Last Update Submit

July 3, 2012

Conditions

Keywords

IL13CytokinesBasophil stimulation

Outcome Measures

Primary Outcomes (1)

  • Basophil histamine release

    After 4 weeks treatment

Study Arms (2)

1

PLACEBO COMPARATOR

Saline injection to match active

Drug: Placebo

Treatment

EXPERIMENTAL

Active treatment with Xolair 150 to 375 mg is administered SC every 2 or 4 weeks

Drug: Xolair

Interventions

Placebo, Q2 or 4 weeks depending on Ige level and weight as appropriate for active treatment.

Also known as: Saline
1
XolairDRUG

150 to 375 mg is administered SC every 2 or 4 weeks

Also known as: Omalizumab, rhumab-E25
Treatment

Eligibility Criteria

Age19 Years - 50 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Ages 19 to 50
  • At least 2 year history of ragweed allergic rhinitis
  • Positive skin prick tests to ragweed \>5 mm wheal diameter
  • IgE \<700 iU/m

You may not qualify if:

  • Use of prohibited medications (e.g. antihistamine in past 7 days and topical or oral corticosteroids in past 1 month, beta-agonist or theophylline for 2 days.
  • History of immunotherapy in the past 2 years
  • Exposure to Omalizumab in the past 2 years
  • Clinically significant non-allergic or perennial rhinitis to avoid mediator release due to environmental allergens
  • Asthma other than mild intermittent
  • Women of childbearing potential who are not on an accepted form of birth control, as well as women who are breastfeeding
  • Known sensitivity to study drug Xolair
  • Patients with severe medical condition(s) that in the view of the investigator prohibits participation in the study
  • Patients with a previous history of cancer
  • Use of any other investigational agent in the last 30 days

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Creighton University

Omaha, Nebraska, 68131, United States

Location

MeSH Terms

Conditions

Hypersensitivity

Interventions

Sodium ChlorideOmalizumabrhuMAb-E25

Condition Hierarchy (Ancestors)

Immune System Diseases

Intervention Hierarchy (Ancestors)

ChloridesHydrochloric AcidChlorine CompoundsInorganic ChemicalsSodium CompoundsAntibodies, Anti-IdiotypicAntibodiesImmunoglobulinsImmunoproteinsBlood ProteinsProteinsAmino Acids, Peptides, and ProteinsAntibodies, Monoclonal, HumanizedAntibodies, MonoclonalSerum GlobulinsGlobulins

Study Officials

  • Robert G Townley, MD

    Creighton University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 30, 2008

First Posted

May 7, 2008

Study Start

June 1, 2007

Primary Completion

November 1, 2012

Study Completion

November 1, 2012

Last Updated

July 6, 2012

Record last verified: 2012-07

Locations