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Effectiveness and Safety of Adipose-derived Regenerative Cells for Reduction of Risk of Bladder Neck Contracture

Benign Prostatic Hyperplasia Clinical Trial

Official title:
Effectiveness and Safety of Local Endoscopically-assisted Administration of Autologous Adipose-derived Regenerative Cells for Reduction of Risk of Postoperative Bladder Neck Contracture in Male Patients

Clinical Trial Summary

Autologous adipose-derived regenerative cells (ADRC) will be extracted from lipoaspirate by enzymatic digestion from a portion of the fat harvested from the patient's front abdominal wall. Transurethral bladder neck resection followed by the injection of ADRCs suspension will be performed. This is a single arm study with no control. All patients receive cell therapy.

Clinical Trial Description

Fat tissue obtainment:

Subjects will undergo liposuction under local anesthesia. In this procedure, Ringer's solution with the anesthetic lidocaine and vasoconstrictor adrenaline infused into the adipose compartment to minimize blood loss and contamination of the tissue by peripheral blood cells. 15 minutes later a hollow blunt-tipped 3 mm cannula introduced into the subcutaneous space through small (0.5 cm) incision. The cannula attached to syringe and under gentle suction moved through the adipose compartment, mechanically disrupting the fat tissue. Aspirate volume - approximately 150-200 cc. Procedure time - 30 minutes.

ADRC isolation:

Harvested adipose tissue will be processed according to patent pending technology based on enzymatic digestion, washing and concentration of cell pellet in 9.5 ml of normal saline.Obtained ADRC divided into 2 portions. First portion (0.5 mL) used for counting, viability and sterility assessment. The second portion (9 ml) placed into sterile syringe for injection.

Surgery:

Transurethral endoscopic loop resection of bladder neck will be performed.

Autologous ADRC administration:

Injection of ADRC suspension will be performed immediately after bladder neck resection. 9 to 18 injections (0.5 to 1.0 mL each) will be injected with endoscopic needle into the bladder neck close to the site of resection. All injections will be performed during single procedure. ;

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02869061
Study type Interventional
Source Central Clinical Hospital with Outpatient Health Center of Business Administration for the President of Russian Federati
Contact
Status Enrolling by invitation
Phase Phase 1/Phase 2
Start date January 2016
Completion date December 2018
View Details
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