Effect Of Mesenchymal Stem Cells Transfusion on the Diabetic Peripheral Neuropathy Patients .
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|ClinicalTrials.gov Identifier: NCT02387749|
Recruitment Status : Completed
First Posted : March 13, 2015
Results First Posted : October 11, 2017
Last Update Posted : July 3, 2018
|First Submitted Date ICMJE||March 1, 2015|
|First Posted Date ICMJE||March 13, 2015|
|Results First Submitted Date ICMJE||August 11, 2016|
|Results First Posted Date ICMJE||October 11, 2017|
|Last Update Posted Date||July 3, 2018|
|Study Start Date ICMJE||May 2014|
|Actual Primary Completion Date||August 2016 (Final data collection date for primary outcome measure)|
|Current Primary Outcome Measures ICMJE
|Original Primary Outcome Measures ICMJE
||Change of nerve conduction velocities of nerves affected measured by nerve conduction study in M/S after stem cells transfusion [ Time Frame: 3 months after stem cells transfusion ]
Measuring nerve conduction velocities of upper and lower limbs nerves and compare before and after stem cells transfusion
|Change History||Complete list of historical versions of study NCT02387749 on ClinicalTrials.gov Archive Site|
|Current Secondary Outcome Measures ICMJE
|Original Secondary Outcome Measures ICMJE
|Current Other Pre-specified Outcome Measures||Not Provided|
|Original Other Pre-specified Outcome Measures||Not Provided|
|Brief Title ICMJE||Effect Of Mesenchymal Stem Cells Transfusion on the Diabetic Peripheral Neuropathy Patients .|
|Official Title ICMJE||Effect Of Mesenchymal Stem Cells Transfusion on the Peripheral Neuropathy in Diabetic Patients Measured by Nerve Conduction.|
|Brief Summary||A debilitating consequence of diabetes mellitus (DM) is neuropathy which globally affects between 20 -30% of diabetic patients and up to 50% in other studies. The incidence of diabetic neuropathy (DN) is estimated to be up to 45% for type 2 diabetic patients and 59% for type 1diabetic patients in USA.(DN) is the most common complication of DM.The pathophysiology of DN is promoted by several risk factors: micro vascular disease, neural hypoxia, and hyperglycemia-induced effects.At the molecular level, the primary cause of diabetic complications is known to be hyperglycemia, which disrupts cellular metabolism by the formation of reactive oxygen species (ROS).In the aspect of nerve functions, ROS formation increases neuron's susceptibility to damage. In addition, hyperglycemia impedes production of angiogenic and neurotrophic growth factors, which are necessary for normal function of neurons and glial cells and maintenance of vascular structure.No definitive disease-modifying treatments have been to reverse DN. The current treatment focuses on tight glycemic control which can reduce potential risk factors for further nerve damage and DN-associated pain management.In many studies, deficiency of neurotrophic factors and lack of vascular support have been regarded as key factors in the development DN.Mesenchymal stem cells (MSCs) are particularly attractive therapeutic agents because of their ability to self-renew, differentiate into multi lineage cell types, and locally secrete angiogenic cytokines, including basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF) .These factors were reported to prompt neovascularization and have support for neural regeneration.It was plausible that MSCs may also be an effective therapeutic agent for the DN treatment through the paracrine effects of bFGF (Shibata et al., 2008) and VEGF and their potential to differentiate into neural cells such as astrocytes, oligodendrocytes , and Schwann cells.The adherent nature of MSCs makes them easy to expand in culture and an attractive candidate to use in cell therapy.Therefore, cell therapy has recently emerged as an attractive therapeutic strategy to meet the needs of both neurotrophic and vascular deficiencies of DN.Proper diagnosis of DN depends on the pattern of sensory loss, reflex test, electrodiagnostic studies, and imaging|
Objectives This study will be conducted to investigate the effects of Mesenchymal stem cells (MSC) transfusion on diabetic peripheral neuropathy in diabetic patient. (MSCs) have been reported to secrete various cytokines that exhibit angiogenic and neuro supportive effects.
Study Design Experimental interventional study. phase II clinical trial
Ethical committee approval (was it ethically approved by the department) Internal medicine department Yes
Population of study & disease condition (e.g women with hepatitis, ………) Diabetic patients(type I, type II) with documented peripheral neuropathy as determined by impaired nerve conduction
(Type I, type II) diabetic patients age range (18-45) years, with diabetic peripheral neuropathy proved by clinical assessment and nerve conduction who did not receive treatment for diabetic peripheral neuropathy.
Decompensated cardiac, renal or liver disease. Associated autoimmune diseases Associated endocrinal diseases Pregnancy, usage of contraceptive pills or steroids.
Methodology in details The study will be conducted on patients with diabetic peripheral neuropathy collected from internal medicine department(inpatient and out patients, males and females)
All subjects of this study will be submitted to the following :( preparatory visit before (MSCs) transfusion visit.)
Plasma biochemical blood measurements will be determined by standard laboratory procedures in the central lab at clinical pathology department, Kasr Alaini hospital)
To avoid infection: During bone marrow aspiration, procedure will be done under complete aseptic precautions, placed in sterile tubes containing pre-servative-free heparin (Sigma-Aldrich, St. Louis, USA) Separation and processing of the sample will be done under good manufacture procedure (GMP): Bone Marrow Aspirate (BMA) will be withdrawn under good sterilization of the skin in an isolated area. Processing of the sample will be done in the laminar air flow; all supplies are disposable and sterile.
Separation of mononuclear cells:
The bone marrow aspirate will be diluted at a ratio of 6:1 with phosphate buffer saline (PBS) with 2 mM EDTA (30 ml BM aspirate+ 5 ml PBS/EDTA buffer). The MNCs will be separated under aseptic conditions using a Ficoll. Hypaque desity gradient (density 1.077, GibcoBRL, Grand Islan, NY, USA) by centrifugation at 1800 rpm for 20 min then the MNCs will be plated in 40 ml alpha-modi-field Eagle's medium (αMEM), serum free media; mesencult(Mesenchymal stem cell culture),penicillin (100 U/ml),streptomycin(10 mg/ml),0.5 ml amphotericin B(all from Gibco BRL) and 10 ng/ml basic fibroblast growth factor (b-FGF) (R&D system, Minneapolis, MN) and will be incubated at 370 c in a humidified atmosphere containing 5% CO2 (Digirolamo et al.1999).after one day ,non adherent cells will be cultured in the presence of Mesenchymal media for 3 weeks changed every 1 week (cambrex Bioscience ,Nottingham, uk). After reaching 80% confluence the MSCs will be placed in 10 ml saline and will be infused intravenously
Flow cytometry Surface expression of MSCs using anti- (CD271, CD34, CD73, CD90, CD105, CD29) monoclonal antibodies (mAbs) will be analyzed using flow cytometry. MSCs (2X105 cells) will be suspended in PBS containing 1% BSA and will be stained with flurochrome -conjugated mAbs for 20 minutes on ice (anti-mouse mAanti-CD 271, CD34 CD73, CD90, CD105,CD29; BD Bioscience, MN, USA).flow cytometric analysis will be performed using a FACSCaliber (BD bioscience)equipped with cell Quest software.10000 cells will be passed in front of the laser for each sample. Each sample will be analyzed in duplicate. A cut off value at 20% will be set to categorize samples as positive.
Mesenchymal stem cells will be identified by morphology and immunophenotyping in the central lab at clinical pathology department, Kasr Alaini hospital( stem cell lab).
Mesenchymal stem cells transfusion slowly intravenous will be applied after these procedures for the patients after taking their approval and informed consent.
Follow up 3 months after Mesenchymal stem cells transfusion by fasting blood glucose level, 2 hours postprandial, C-peptide, Hb A1C, (bFGF), (VEGF) and nerve conduction at kasr Alaini hospital departments as mentioned before.
Possible Risk (mention if there is any risk or not) Anaphylaxis Infection
Primary outcomes (Most important outcomes to be assessed)
1- Effect of mesenchymal stem cells transfusion on diabetic peripheral neuropathy regarding improvement of clinical symptoms like pain, sensory loss and improvement of nerve conduction.
Secondary outcome parameters (other outcomes to be assessed)
Sample size (number of participants included) 10 diabetic patients with diabetic peripheral neuropathy .
Source of funding (is there any source of funds or not) Faculty Of Medicine, Cairo University.
Time plan (when to start/ when expected to finish/ when to publish) At least 20 months
|Study Type ICMJE||Interventional|
|Study Phase ICMJE||Not Applicable|
|Study Design ICMJE||Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
|Condition ICMJE||Diabetic Peripheral Neuropathy|
|Intervention ICMJE||Genetic: mesenchymal stem cells
collection of stem cells by bone marrow biopsy from iliac crest, then culture for 1 month , then IV transfusion on 2 sessions to the same patient
|Study Arms ICMJE||Experimental: mesenchymal stem cells
The BM aspirate will be diluted at 6:1 ratio with phosphate buffer saline with 2 ml EDTA (30 ml BM aspirate+ 5 ml PBS/EDTA buffer).MNCs will be separated under aseptic conditions using a Ficoll. Hypaque desity gradient by centrifugation at 1800 rpm for 20 min then the MNCs will be plated in 40 ml(αMEM), serum free media; mesencult(MSCs culture),penicillin (100 U/ml),streptomycin(10 mg/ml),0.5 ml amphotericin B(all from Gibco BRL) and 10 ng/ml basic fibroblast growth factor (b-FGF)(R&D system, Minneapolis, MN) and will be incubated at 370 c in a humidified atmosphere containing 5% CO2 .after one day ,nonadherent cells will be cultured in the presence of Mesenchymal media for 3 weeks changed every week. After reaching 80% confluence the MSCs will be placed in 10 ml saline and infused IV.
Intervention: Genetic: mesenchymal stem cells
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
|Recruitment Status ICMJE||Completed|
|Actual Enrollment ICMJE
|Original Actual Enrollment ICMJE||Same as current|
|Actual Study Completion Date ICMJE||December 2016|
|Actual Primary Completion Date||August 2016 (Final data collection date for primary outcome measure)|
|Eligibility Criteria ICMJE||
|Ages ICMJE||18 Years to 45 Years (Adult)|
|Accepts Healthy Volunteers ICMJE||No|
|Contacts ICMJE||Contact information is only displayed when the study is recruiting subjects|
|Listed Location Countries ICMJE||Not Provided|
|Removed Location Countries|
|NCT Number ICMJE||NCT02387749|
|Other Study ID Numbers ICMJE||FACULTY OF MEDICINE,CAIRO U|
|Has Data Monitoring Committee||Yes|
|U.S. FDA-regulated Product||Not Provided|
|IPD Sharing Statement ICMJE||
|Responsible Party||dina mohammed riad, Cairo University|
|Study Sponsor ICMJE||Cairo University|
|Collaborators ICMJE||Not Provided|
|PRS Account||Cairo University|
|Verification Date||July 2018|
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP