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Effect of Prednisone onTregs and TH17

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: October 27, 2009
Last Update Posted: March 27, 2014
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
University of Chicago
The primary objective of this study is to see whether systemic corticosteroids (such as Prednisone) have an effect on the peripheral blood Treg and Th17 function in patients with CRS. Patients are taking prednisone as part of their routine medical care.

Condition Phase
Chronic Rhinosinusitis Phase 1

Study Type: Observational
Study Design: Observational Model: Case Control
Time Perspective: Prospective
Official Title: Effect of Prednisone on Peripheral Blood T-cell Function (Tregs and Th17) in Patients With Chronic Rhinosinusitis (CRS)

Resource links provided by NLM:

Further study details as provided by University of Chicago:

Primary Outcome Measures:
  • Treg cell numbers [ Time Frame: pre treatment vs post treatment ]

Secondary Outcome Measures:
  • Cytokine levels in cultured PBMCs [ Time Frame: pre vs post treatment ]

Enrollment: 40
Study Start Date: November 2009
Study Completion Date: December 2010
Primary Completion Date: May 2010 (Final data collection date for primary outcome measure)
normal control
Patient treatment group
Treatment with prednisone


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
Patients with seasonal allergies taking prednisone and normal controls form the community.

Inclusion Criteria:

  • Diagnosis of CRS.
  • A CT scan performed in the last year depicting the severity of the disease or nasal polyps on endoscopy.
  • Symptomatic at the time of entry into the study as determined by scores ≥ 1.4 on the Rhinosinusitis disability index

Exclusion Criteria:

  • Women who are pregnant or breastfeeding.
  • Patients with severe medical condition(s) that in the view of the investigator prohibits participation in the study (heart, lung, kidney, diabetes, osteoporosis, cataracts, glaucoma, neurological, oncologic, liver disease or a contraindication to taking prednisone).
  • Use of any other investigational agent in the last 30 days.
  • Use of clinical drugs like antihistamines, leukotriene modifiers, intranasal steroids, systemic corticosteroids in the last 15 days or immunotherapy in the last year.
  • Upper respiratory infection within 14 days of study start
  • Smoking within the last 2 months.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01002313

United States, Illinois
The University of Chicago
Chicago, Illinois, United States, 60637
Sponsors and Collaborators
University of Chicago
Principal Investigator: Robert M Naclerio, MD University of Chicago
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: University of Chicago
ClinicalTrials.gov Identifier: NCT01002313     History of Changes
Other Study ID Numbers: 09-254-A
First Submitted: October 26, 2009
First Posted: October 27, 2009
Last Update Posted: March 27, 2014
Last Verified: March 2014

Additional relevant MeSH terms:
Paranasal Sinus Diseases
Nose Diseases
Respiratory Tract Diseases
Respiratory Tract Infections
Otorhinolaryngologic Diseases
Anti-Inflammatory Agents
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Antineoplastic Agents, Hormonal
Antineoplastic Agents