- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01193049
A Study on the Effects of a Single Dose of Prednisone on Biomarkers of Allergen Responses in Asthmatics (MK-0000-175)
September 3, 2015 updated by: Merck Sharp & Dohme LLC
A Two-Part, Randomized Clinical Trial to Study the Effects of a Single Dose of Prednisone on Biomarkers of Allergen Responses in Asthmatics
The purpose of this study is to evaluate the relationship between upper and lower airway allergen-induced cytokine responses in mild asthmatics by attempting to demonstrate the following: 1) a positive correlation between allergen-induced Type 2 T-helper cell (Th2) cytokines (interleukins 5 and 13) in sputum and nasal exudates; and 2) a positive correlation between effects of prednisone versus placebo on Th2 cytokines in sputum and nasal exudates.
Study Overview
Study Type
Interventional
Enrollment (Actual)
11
Phase
- Phase 1
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 55 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Has a clinical history of mild to moderate asthma for at least 6 months, but otherwise is in good health
- Participant with allergic rhinitis and asthma has a history of nonseasonal airway symptoms in response to aeroallergens OR has seasonal symptoms but can be evaluated out-of-season
- Is clinically stable and free of respiratory infection or change in allergen exposure for at least 4 weeks prior to start of study
Exclusion Criteria:
- Has intolerance to the study drug, inhaled salbutamol, antihistamines, or any other potential asthma/anaphylaxis rescue medication
- Has intolerance to lidocaine/lignocaine, sedatives, atropine or glycopyrrolate, or any other medication associated with bronchoscopy
- Has taken oral parenteral corticosteroids within 8 weeks or inhaled corticosteroids/nasal corticosteroids within 5 weeks of screening and/or during the study
- Has recent (4 weeks) or ongoing upper or lower respiratory tract infection
- Has active allergic rhinitis at screening
- Has received a vaccination within 3 weeks of screening
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Prednisone, then Placebo
Prednisone in the first crossover treatment period and placebo in the second crossover treatment period
|
Prednisone (25 mg) tablets as a single oral dose on Day 1 of each study period
Matching placebo tablets as a single oral dose on Day 1 of each study period
|
Experimental: Placebo, then Prednisone
Placebo in the first crossover treatment period and prednisone in the second crossover treatment period
|
Prednisone (25 mg) tablets as a single oral dose on Day 1 of each study period
Matching placebo tablets as a single oral dose on Day 1 of each study period
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Geometric Mean Fold Change From Baseline in Interleukin-5 (IL-5) Concentration From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, nasal exudates (NE) and sputum (SP) were collected, then the concentrations of IL-5 were determined from NE and SP collected after 7 hours and previously at baseline (BL), to derive the fold change (FC) from BL for each participant.
The geometric mean (GM) was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Interleukin-13 (IL-13) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of IL-13 were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Geometric Mean Fold Change From Baseline in Thymus and Activation Regulated Chemokine (TARC) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of TARC were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Eotaxin-3 From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of Eotaxin-3 were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Change in Vibration Response Imaging (VRI) After Metacholine Exposure
Time Frame: From 1 to 7 hours post-allergen challenge
|
One hour before treatment with prednisone/placebo, participants inhaled for 2 minutes a nebulised solution of metacholine (0.13 ml/min); then one hour after prednisone/placebo treatment were challenged with allergens.
From 1 to 7 hours after allergen challenge, ventilatory heterogeneity was assessed by Vibration Response Imaging (VRI) by monitoring the following: inspiration/expiration (I/E) amplitude ratio, I/E duration ratio, synchrony duration, and quantitative lung data.
|
From 1 to 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in RNA Expression for Genes Encoding IL-5 and IL-13 From Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, SP were collected, then the RNA expression profiles of IL-5 and IL-13 genes were determined from SP collected after 7 hours and previously at baseline, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Interleukin-17 (IL-17) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of IL-17 were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Interleukin-1β (IL-1β) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of IL-1β were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Macrophage Inflammatory Protein-1β (MIP-1β) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of MIP-1β were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Thymic Stromal Lymphopoietin (TSLP) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of TSLP were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was planned to be determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Interleukin-23 (IL-23) From Nasal Exudates and Sputum at 7 Hours Post-allergen Challenge
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then the concentrations of IL-23 were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was plan to be determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Cytokines From Bronchoalveolar Lavage Fluid (BALf)
Time Frame: Baseline and 23 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 23 hours had elapsed, BALf were collected, then the concentrations of IL-5, IL-13, and TARC were determined from BALf collected after 23 hours and previously at BL, to derive the FC from BL for each participant.
The GM was planned to be determined by averaging FC from BL for all analyzed participants.
|
Baseline and 23 hours post-allergen challenge
|
Geometric Mean Fold Change From Baseline in Nasal and Bronchial Eicosanoids and Leukotrienes at 7 Hours Post-allergen Challenge.
Time Frame: Baseline and 7 hours post-allergen challenge
|
Participants were treated with either prednisone or placebo, followed 1 hour later by nasal allergen challenge and then inhaled allergen challenge.
After 7 hours had elapsed, NE and SP were collected, then prostaglandin and leukotriene concentrations were determined from NE and SP collected after 7 hours and previously at BL, to derive the FC from BL for each participant.
The GM was planned to be determined by averaging FC from BL for all analyzed participants.
|
Baseline and 7 hours post-allergen challenge
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
August 1, 2010
Primary Completion (Actual)
May 1, 2011
Study Completion (Actual)
May 1, 2011
Study Registration Dates
First Submitted
August 30, 2010
First Submitted That Met QC Criteria
August 30, 2010
First Posted (Estimate)
September 1, 2010
Study Record Updates
Last Update Posted (Estimate)
September 4, 2015
Last Update Submitted That Met QC Criteria
September 3, 2015
Last Verified
September 1, 2015
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Respiratory Tract Diseases
- Immune System Diseases
- Lung Diseases
- Hypersensitivity, Immediate
- Bronchial Diseases
- Lung Diseases, Obstructive
- Respiratory Hypersensitivity
- Hypersensitivity
- Asthma
- Physiological Effects of Drugs
- Anti-Inflammatory Agents
- Antineoplastic Agents
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Prednisone
Other Study ID Numbers
- 0000-175
- 2010-020518-27 (EudraCT Number: From the European Union Drug Regulatory Authorities Clinical Trial System)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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