CClinicalTrials.gg
Status unknownNCT00710450Updated Sep 23, 2011

Effect of Montelukast on Basophils, In-vitro

An observational study in Allergic Asthma and Allergic Rhinitis, sponsored by Creighton University. Status unknown at 1 site in United States. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2011-09-23.

Sponsored by Creighton University · Observational

The sponsor has not verified this record recently (last verified Sep 2011), so the status shown — last known as Active, not recruiting — may be out of date.
Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
15
Ages
12 Years and older
Sex
All
01

Study summary

Subjects with either allergic asthma or allergic rhinitis will be recruited to obtain blood. This blood will be used to be stimulated with to whatever the patient allergic. In the laboratory, this stimulated blood will be measured for histamine, leukotrienes, IL-13 and IL-3. These are chemicals responsible for allergy symptoms.

02

Conditions studied

  • Allergic Asthma
  • Allergic Rhinitis

Keywords

  • IL13
  • leukotriene
  • histamine
  • IL4
  • Must be allergic asthma or allergic rhinitis
03

In context

Rhinitis

1,105 studies on the registry are indexed under Rhinitis; 65 are open to participants now.

This study's planned enrollment of 15 is below the median of 141 across 172 observational studies indexed under Rhinitis.

Browse Rhinitis studies →

Lead sponsor

Creighton University is the lead sponsor of 126 studies on the registry; 4 are open to participants now.

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

04

Who can participate

Ages eligible
12 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

Allergic rhinitis or allergic asthma, age 13+

Inclusion criteria

  • Allergic asthma or allergic rhinitis
  • age 12+

Exclusion criteria

Exclusion Criteria:

  • smokers
05

Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
15 participants (estimated)
Biospecimen retention
Samples without dna

Groups and cohorts

  • 1

    Allergic Asthma

  • 2

    Allergic Rhinitis

06

What researchers measure

Primary outcomes

  1. Histamine Release

    Time frame: during the assay portion.

Secondary outcomes

  1. Cytokine release. IL-13, IL-4 and leukotriene

    Time frame: assay portion

07

Study locations

1 site
  • Creighton University Medical Center
    Omaha, Nebraska 68131, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 23, 2011, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00710450
Lead sponsor
Creighton University
Collaborators
Merck Sharp & Dohme LLC
Responsible party
Sponsor
First posted
Jul 4, 2008
Start date
May 2008
Primary completion
Sep 2011 (estimated)
Completion
Sep 2011 (estimated)
Last update
Sep 23, 2011

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Sep 2011. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion