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Clinical Trial Summary

This is a randomized controlled trial in which the safety and feasibility of cell therapy medicinal product shall be measured by comparing the variables of the response after treatment compared to baseline prior to implementation. Secondarily the results obtained are compared with each of the study groups.

Patients will receive concomitant basic pharmacological treatment for maintaining liver function.

All patients will be equally medically treated. The hypothetic test is to propose mononuclear cells from the bone marrow infused in the territory hepatic portal remaining segments (II and III) to be performed while contralateral portal embolization provides progenitor cells hepatic regenerative capacity that would shorten the time of liver regeneration and increase residual volume, facilitating the realization of an extended hepatectomy with greater assurance of maintaining proper residual function and adequate surgical margins.


Clinical Trial Description

The study population corresponds to patients with hepatic space occupying lesion that require extended hepatic resection and in which the residual liver volume is insufficient to ensure liver function as well as required safety margins after resection.

The study population will consist of a total of 65 patients divided into two groups:

Study group: patients with hepatic space occupying lesion requiring an extended hepatic resection to those who are undergoing preoperative embolization segments portal intraportal affections and application of bone marrow cells.

Control group: patients with hepatic space occupying lesion that require an extended liver resection and who were performed preoperatively embolization portal of the affected segments.

The distribution of cases / controls will be 1/1. Patients in study group before surgery as well as portal embolization of the affected by the injury, will receive the experimental treatment being tested. Autologous bone marrow will be extracted by aspiration of the iliac crest under local anesthesia, and then the mononuclear cells (mo-MNCs) will be separated by density gradient centrifugation on Ficoll by an automatic procedure in the Laboratory for Cell Therapy.

In the control group patients will be held an embolization of liver segments in which are located the lesion.

It is estimated that the inclusion period is approximately 24 months plus the follow-up of each patient twelve months. Thus the total duration of the study will be about thirty-six months from the entry of the first patient until the end of the monitoring period of the last patient included.

The main objective is to evaluate the safety and feasibility of autologous bone marrow mononuclear cells as autologous liver regeneration enhancer, administered intraportal before surgery in patients with liver space occupying lesion that require extended hepatic resection and in which the residual liver volume is insufficient to ensure liver function and safety margins required after the resection.

Secondary objectives:

- Complications from regenerative therapy and / or study procedures.

- Increased volume obtained after applying the procedures of liver regeneration after surgery.

- The percentage of resections that has allowed liver regeneration.

- The liver functional status after surgery.

- The resection margins free of tumor.

Evaluation Methods:

Radiological assessment of liver volumes. Analytical evaluation of markers of regeneration. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01745731
Study type Interventional
Source Andalusian Initiative for Advanced Therapies - Fundación Pública Andaluza Progreso y Salud
Contact
Status Completed
Phase Phase 2
Start date March 2011
Completion date December 2015

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