- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01880190
A Comparative Study of Volume Replacement With HES 130/0.4 Versus Ringer's Lactate (RL) Regarding Their Effects on Inflammatory Biomarkers (Cytokines and Matrix Metalloproteinases) Responses to Major Abdominal Surgery.
Volume Replacement With HES 130/0.4 Attenuates Inflammatory Response to Major Abdominal Surgery Compared to Ringer's Lactate (RL); the Effect on Cytokines and Matrix Metalloproteinases
Various stimuli such as trauma, infection and major surgery may alter the physiologic immune balance and initiate systemic inflammatory processes. This pathophysiological event is characterized by the release of potent inflammatory mediators into the circulation.
Among these, pro- and anti-inflammatory cytokines such as interleukin-6 (IL-6), IL-8 or IL-10, ICAM-1 play a dominant role as local or systemic regulators in the acute inflammatory response. Recent studies have also investigated the role of matrix metalloproteinases (MMPs) in the inflammatory response. The MMPs constitute a family of enzymes that are structurally related neutral proteinases. MMPs can degrade essentially all extracellular matrix (ECM) components and play an important role in wound healing and remodeling of the ECM. The Tissutal Inhibitor MetalloProteine (TIMPs) are important regulator of MMPs activity.
The inflammatory response coming of surgery mainly affects surgical patients' outcome. Many factors may attributed to this response, such as the kind of operation, the extent of surgical trauma, the patient's medical history and therapy, as well as the type of anesthesia used. Apart from that, the kind of fluids administered for volume replacement was revealed to alter the inflammatory processes. Several studies have addressed on this issue mainly involved abdominal surgery and provided compelling evidence that perioperative fluid optimization produces benefits for the patient, with regard to inflammatory biomarkers such as cytokines, matrix metalloproteinases, intercellular adhesion molecule-1(ICAM-1). They support that the different volume replacement strategies, using only crystalloids or combination of crystalloids with colloids (HES 130/0,4), may have important impact on immune response. However, the relevant studies investigated different inflammatory biomarkers, and usually involved either metalloproteinases, and their inhibitors (TIMPs) or cytokines.
In our study we investigated the hypothesis that intra- and postoperative volume replacement with HES attenuates inflammatory response to elective abdominal surgery compared to RL fluid therapy. For this purpose both metalloproteinases, MMP-9, MMP-13, their inhibitor, TIMP-1, cytokines, IL-6, IL-8 and the intercellular adhesion molecule-1, ICAM-1 were investigated postoperatively. Their changes during the first 24 postoperative hours consisted our primary outcomes.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Attiki
-
Athens, Attiki, Greece, 12462
- 2nd Department of Anesthesiology, Attikon University Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- ASA (American Society of Anesthesiologists) I and ASA II
Exclusion Criteria:
- cardiac insufficiency ( > New York Heart Association (NYHA) class II)
- renal insufficiency (serum creatinine > 200μm/L)
- severe pulmonary disease (chronic obstructive lung disease, PaO2 < 70 mmHg when FiO2= 0.21)
- liver disfunction (AST > 40 U/L, ALT > 40 U/L)
- diabetes mellitus
- autoimmune disease
- pre-existing signs of bacterial (WBC > 10000, body temperature > 38.0 C)or viral infection (HBV, HCV, HIV, CMV)
- pre-existing signs of active inflammation (CRP > 4)
- malignant neoplasia
- morbid obesity
- patients in extreme muscular activity (athletes)
- patients with chronic use of corticosteroids or β- blockers or non-steroid anti-inflammatory substances
- known allergic reactions to colloids solutions
Study Plan
How is the study designed?
Design Details
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Ringer's Lactate
Crystalloid solution
|
|
Active Comparator: HES 130/0.4 and Ringer's Lactate
Colloid solution
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Measurement of inflammatory biomarkers (MMP-9, MMP-13, TIMP-1, IL-6, IL-8 ICAM-1) in abdominal surgery.
Time Frame: 24 hours postoperatively
|
24 hours postoperatively
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 301 (Yasar Calıskan)
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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