- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03876041
Evaluation of Corticosteroid in Systemic Inflammatory Response Syndrome
Evaluation of Corticosteroid as Modulators of Humeral and Cellular Immune Response in Open Heart Surgery in Egyptian Population
Cardiac surgery and cardiopulmonary bypass (CPB) initiate a whole-body systemic inflammatory response (SIRS) characterized by the activation of leukocytes, monocytes, and the complement cascade. Multiple mediators of the inflammatory process are released, including cytokines, endothelin, adhesion molecules, and oxygen free radicals. An exaggerated release of these mediators may contribute to numerous postoperative end-organ complications, including myocardial dysfunction, neurologic impairment, respiratory failure, altered renal and hepatic function, bleeding disorders, and multiple organ failure. Although most cardiac surgical patients do not experience major adverse events, it is likely that the inflammatory response impairs clinical recovery to some degree in all patients.
A large number of therapeutic strategies have been developed to attenuate the inflammatory reaction to CPB and thereby enhance recovery of the cardiac surgical patient. Intraoperative corticosteroid administration has been studied extensively as a primary pharmacologic anti-inflammatory treatment option.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Investigations have shown that clinical outcomes have been improved, worsened, or unaffected by the intraoperative administration of dexamethasone or methylprednisolone Limited data suggest that low-dose corticosteroids may be as effective as high-dose treatment in reducing complications but with fewer potential side effects MicroRNAs (miRNAs) are protein regulators that play an important role in a wide range of cellular functions. There is increasing evidence for the close relationship between miRNA expression, Th17 cell differentiation and disease pathology The miRNA, miR-155, which was the subject of this study, has a range of known biological functions, which include the induction of Toll like receptor (TLR) activation in monocytes /macrophages and the modulation of TLR signaling, facilitating pro-inflammatory cellular responses and initiating systemic inflammatory responses, as well as regulating Treg cell differentiation, maintenance, and function. The expression of this miRNA can be induced by inflammatory cytokines, such as tumor necrosis factor α (TNFα), that are released into the circulation in the initial stages of a systemic inflammatory response. In another study, demonstrated that miR-155 enhanced Treg and Th17 cell differentiation and Th17 cell function by targeting (suppressor of cytokine signaling 1) SOCS1.
In this study, the investigators will compare effect of low dose intra-operative corticosteroid (dexamethasone and methylprednisolone) as anti-inflammatory modulators through detection of T regulatory cells(Tregs) and IL-17 and correlate relation between Treg, IL-17 and micro RNA-155.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
Assuit
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Assiut, Assuit, Egypt, 71511
- Assuit University Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- open heart surgery with Cardiopulmonary bypass machine with relatively long bypass time more than 60 minute
- All patients Included in study with normal heart function
Exclusion Criteria:
- Left ventricular ejection fraction less than 40%
- acute infection such as sepsis or pneumonia, hepatic and renal failure, cancer or any autoimmune disease
- the use of steroid within 2 week prior to operation
- coagulation abnormalities
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: dexamethasone group
this group will receive Dexamethasone: 0.1 to 0.3 mg/kg as single intra-operative dose and blood samples will be obtained from central venous blood at following time points: immediately after insertion during anesthetic induction (T1), 48hrs post-operative (T2), 72hrs post-operative (T3).
|
intravenous solution for injection
Other Names:
|
Active Comparator: methylprednisolone group
this group will receive Methylprednisolone: 5-10mg/kg as single intra-operative dose and blood samples will be obtained from central venous blood at following time points: immediately after insertion during anesthetic induction (T1), 48hrs post-operative (T2), 72hrs post-operative (T3).
|
intravenous solution for injection
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
measure anti-inflammatory effect through detection T regulatory cell level by4 color flow cytometry analysis to quantify % of Tregs (CD4, CD25,FoxP3)
Time Frame: 72 hours post operative
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in blood of all subjects
|
72 hours post operative
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detect microRNA-155
Time Frame: 72 hours post operative
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micro-RNA 155 is measured by RT-PCR
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72 hours post operative
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
measure pro-inflammatory cytokines
Time Frame: 72 hours post operative
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pro-inflammatory cytokines such as IL-1 and IL-6 by ELISA.
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72 hours post operative
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Alaa F Fathy, researcher, Assuit Medical School
Publications and helpful links
General Publications
- Cicarelli DD, Bensenor FE, Vieira JE. Effects of single dose of dexamethasone on patients with systemic inflammatory response. Sao Paulo Med J. 2006 Mar 2;124(2):90-5. doi: 10.1590/s1516-31802006000200008.
- Wang D, Tang M, Zong P, Liu H, Zhang T, Liu Y, Zhao Y. MiRNA-155 Regulates the Th17/Treg Ratio by Targeting SOCS1 in Severe Acute Pancreatitis. Front Physiol. 2018 Jun 8;9:686. doi: 10.3389/fphys.2018.00686. eCollection 2018.
- Bocsi J, Hanzka MC, Osmancik P, Hambsch J, Dahnert I, Sack U, Bellinghausen W, Schneider P, Janousek J, Kostelka M, Tarnok A. Modulation of the cellular and humoral immune response to pediatric open heart surgery by methylprednisolone. Cytometry B Clin Cytom. 2011 Jul-Aug;80(4):212-20. doi: 10.1002/cyto.b.20587. Epub 2011 Mar 4.
- Schadenberg AW, Vastert SJ, Evens FC, Kuis W, van Vught AJ, Jansen NJ, Prakken BJ. FOXP3+ CD4+ Tregs lose suppressive potential but remain anergic during transient inflammation in human. Eur J Immunol. 2011 Apr;41(4):1132-42. doi: 10.1002/eji.201040363. Epub 2011 Mar 7.
- Soltani G, Abbasi Tashnizi M, Moeinipour AA, Ganjifard M, Esfahanizadeh J, Sepehri Shamloo A, Purafzali Firuzabadi SJ, Zirak N. Comparing the effect of preoperative administration of methylprednisolone and its administration before and during surgery on the clinical outcome in pediatric open heart surgeries. Iran Red Crescent Med J. 2013 Jun;15(6):483-7. doi: 10.5812/ircmj.8105. Epub 2013 Jun 5.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Inflammation
- Disease
- Shock
- Syndrome
- Systemic Inflammatory Response Syndrome
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Autonomic Agents
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Antineoplastic Agents
- Antiemetics
- Gastrointestinal Agents
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Protease Inhibitors
- Neuroprotective Agents
- Protective Agents
- Dexamethasone
- Dexamethasone acetate
- Methylprednisolone
- Methylprednisolone Hemisuccinate
- BB 1101
- Dexamethasone 21-phosphate
Other Study ID Numbers
- ASSUITUU
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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