- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02134717
Impact of Chemokine Receptor 5 (CCR5) Inhibition on Sarcoidosis Immunophenotypes (GRADS)
January 17, 2018 updated by: Kevin F. Gibson
An Interventional Study of the Effect of CCR5 Inhibition With Maraviroc on Immune Cells in the the Lung and in Peripheral Blood of Patients With Sarcoidosis
The study hypothesizes that inhibition of the receptor CCR5 by maraviroc will diminish inflammation in patients with sarcoidosis.
Subjects with active sarcoidosis will first undergo bronchoscopy with bronchoalveolar lavage to recover lung immune cells for baseline analysis.
They will then receive the drug maraviroc for 6 weeks duration.
They will then undergo a repeat bronchoscopy with bronchoalveolar lavage to recover lung immune cells for analysis following maraviroc treatment.
Study Overview
Status
Terminated
Conditions
Detailed Description
The investigators hypothesize that inhibition of CCR5 by maraviroc may have a beneficial immunomodulatory effect on the granulomatous inflammation of pulmonary sarcoidosis.
The specific aim of this proposal is the investigate the effect of CCR5 inhibition on the trafficking of mononuclear cells to the lung, skin, peripheral blood in subjects with active sarcoidosis exposed to the CCR5 inhibitor, maraviroc.
A second aim will be to isolate by cell sorting cluster of differentiation 4 (CD4)+CCR5+ T cells for amplified gene expression profiling before and after CCR5 inhibition, experiments the investigators believe will elucidate genes associated with downstream activation and inhibition of CCR5 receptor function.
Study Type
Interventional
Enrollment (Actual)
3
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15213
- Dorothy P. and Richard P. Simmons center for Interstitial lung Disease at the University of Pittsburgh
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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 80 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Histologically proven sarcoidosis from any site (noncaseating granulomas without other causes).
- Diagnosis of active sarcoidosis (Sec. 5.5.4.t) clinical stage II by Chest X-ray (CXR).
- Forced Vital Capacity (FVC) >45% and Diffusing Capacity for Carbon Monoxide (DLCO) >50% of predicted values.
- Evidence of active sarcoidosis (see criteria above)
- Able and willing to complete all study procedures (e.g., bronchoscopy, post-drug surveillance)
- Age: 18+ years old (prevalence greatest in young adults; pediatric maraviroc safety not established).
- Not on immunosuppression for sarcoidosis at the time of recruitment, (e.g., steroids, tumor necrosis factor alpha (TNF-a) blockade)
- Liver function (transaminases, bilirubin), coagulation (International Normalized Ratio (INR), partial thromboplastin time (PTT), platelet count), blood urea nitrogen (BUN), creatinine, and white blood count (WBC) within normal limits.
- If female: negative pregnancy test, agreement to use reliable contraception if of childbearing potential 30 days prior and for 30 days after study completion (drug safety during pregnancy not established).
- Negative HIV and HBsAg tests
Exclusion Criteria:
- Diagnosis of infection based upon clinical evaluation and/or microbial testing.
- The diagnosis of any disease involving the heart, lungs, liver (HVC), kidney, hematologic, endocrine, or Gl systems which, in the judgment of the PI, would pose an undue risk to the subject if they participated in this study. This includes but is not limited to diabetes, uncontrolled hypertension, liver disease (HVC), or history of malignancy.
- Medications that will either inhibit or induce CYP3A4 (including St John's Wort)
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: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: sarcoidosis stage II
All subjects with active stage II sarcoidosis with or without skin disease will receive the drug maraviroc 300mg to be taken orally twice a day for 6 weeks duration.
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Other Names:
Bronchoscopy employs a flexible instrument that is inserted into the trachea and proximal airways after topical anesthesia.
Bronchoalveolar lavage involves the instillation of saline solution through the bronchoscope into the airways followed by recovery under suction to collects lung fluid containing cells and proteins.
Venipunctures will be performed at study entry, after two weeks, and at the end of the study to collect blood for research studies and safety laboratories.
For subjects with sarcoidosis skin lesions, an optional skin biopsy specimen may be collected for research studies.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Total Cell Count and Differentials in Blood and Bronchoalveolar Lavage Fluid Pre- and Post Maraviroc
Time Frame: 6 weeks
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General indicators of inflammation following chemokine receptor 5 (CCR5) inhibition in blood and bronchoalveolar lavage
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6 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mononuclear Cell (MNC) Activation and T-cell Differentiation
Time Frame: 6 weeks
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MNC activation and T-cell differentiation before and after CCR5 inhibition.
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6 weeks
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Chemokine Receptor 5 (CCR5) Expression Among These Immune Effector Cells
Time Frame: 6 weeks
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CCR5 expression among these immune effector cells before and after CCR5 inhibition.
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6 weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Kevin F Gibson, MD, DorothyP. and Richard P. SImmons Center for Interstitial Lung Disease at the University of Pittsburgh
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
January 1, 2014
Primary Completion (Actual)
May 1, 2015
Study Completion (Actual)
May 1, 2015
Study Registration Dates
First Submitted
April 30, 2014
First Submitted That Met QC Criteria
May 7, 2014
First Posted (Estimate)
May 9, 2014
Study Record Updates
Last Update Posted (Actual)
February 14, 2018
Last Update Submitted That Met QC Criteria
January 17, 2018
Last Verified
January 1, 2018
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Sarcoidosis
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Anti-HIV Agents
- Anti-Retroviral Agents
- Chelating Agents
- Sequestering Agents
- HIV Fusion Inhibitors
- Viral Fusion Protein Inhibitors
- CCR5 Receptor Antagonists
- Maraviroc
- Dimercaprol
Other Study ID Numbers
- U01HL112711 (U.S. NIH Grant/Contract)
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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