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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT02315235
Other study ID # mononuclear cell-based therapy
Secondary ID
Status Withdrawn
Phase N/A
First received December 5, 2014
Last updated April 14, 2016
Start date May 2014
Est. completion date March 2016

Study information

Verified date April 2016
Source Seoul National University Hospital
Contact n/a
Is FDA regulated No
Health authority Korea: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

To investigate the efficacy and safety of autologous peripheral blood stem cell based therapy in patients with diabetic painful neuropathy.


Description:

Diabetic painful neuropathy a prevalent, disabling disorder. Currently, the only effective treatments are glucose control and pain management. Diabetic neuropathy is characterized by reduction of vascularity in peripheral nerves and deficiency in neurotrophic and angiogenic factors. Recent studies have shown that bone marrow (BM)-derived stem or progenitor cells have favorable effects on the repair of cardiovascular diseases. Since these BM-derived stem or progenitor cells contain various angiogenic and neurotrophic factors, these cells have been attempted for treating experimental diabetic neuropathy, and turned out to be effective for reversing various manifestations of experimental diabetic neuropathy.

However, stem-cell therapy was not proven in human study. Therefore, we will investigate the efficacy and safety of autologous peripheral blood stem cell injection in diabetic neuropathy.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date March 2016
Est. primary completion date March 2016
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

- symptomatic diabetic neuropathy moderate pain more than 3 months Michigan Neuropathy Screening Instrument (MNSI) >3 3/day mean pain scale > NRS 4 Body weight >50 kg systolic blood pressure: 90-150 mmHg, Diastolic blood pressure <100 mmHg, Body temperature <37.5?, Pulse rate: 50-100/min

Exclusion Criteria:

- other cause of neuropathy symptomatic peripheral vessel disease skin lesion or arthritis central neuronal disease drug addiction or abuse Aspartate aminotransferase or Alanine aminotransferase >1.5 times than upper normal limit range Creatinine clearance rate <60ml/min or dialysis Myocardial infarction, unstable angina or heart failure diagnosed in 3 months psychologic disorder pregnancy or lactation

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Biological:
Normal saline
Normal saline is injected in one leg of patient.
stem-cell
Granulocyte colony-stimulating factor (G-CSF) is injected into subcutaneous for three days prior to the blood collection (D-3 to D-1). Peripheral mononuclear stem-cell is collected by Cobe spectra apheresis system in D-day. The stem-cell (mononuclear cell) is injected into the muscle in the other side leg of patient.

Locations

Country Name City State
Korea, Republic of SeoulNUH Seoul

Sponsors (1)

Lead Sponsor Collaborator
Seoul National University Hospital

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Other The secondary effect of the procedure for the peripheral nerves and blood vessels Michigan neuropathy screening instrument (MNSI) is used for screening for diabetic peripheral neuropathy. Changes in patient's mood is assessed by the Beck Depression Inventory (BDI) system. Electrophysiological tests are used in the evaluation of nerve conduct velocity. Skin punch biopsy is used to evaluate the density of epidermal nerve fibers. Improvement of blood flow in the peripheral veins is evaluated by ankle brachial index (ABI), pulse wave velocity (PWV) and digital arterial plethysmography. We measure serum glucose, insulin ant c-peptide. The amount of drug requirements will also assess at each follow-up period. baseline, 12 week Yes
Primary Changes in pain for a week after the procedure The pain scale was calculate by Numeric rating scale (NRS). We observe a change in NRS pain scores during the follow-up period. baseline, 4 week, 12 week No
Secondary The evaluation of changes in the specific neuro-sensory system The following tests was evaluated during the follow-up period. The pain intensity was evaluated by short-form McGill Pain Questionnaire and by sleep disturbance pain score. The quantitative change of sensory nerve was evaluated by quantitative sensory test (QST). We measure serum neuron-specific enolase (NSE), glucose, insulin and c-peptide. The amount of drug requirements will also assess at each follow-up period. baseline, 4 week, 12 week Yes
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