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Clinical Track

Selected CD133+ Progenitor Cells to Promote Angiogenesis in Patients with Refractory Angina: The Final Results of the PROGENITOR Randomized Trial.

Pilar Jimenez-Quevedo, Juan Jose Gonzalez-Ferrer, Manel Sabate, Xavier Garcia-Moll, Roberto C Delgado-Bolton, Leopoldo LLorente, Esther Bernardo, Aranzazu Ortega-Pozzi, Rosana Hernández-Antolin, Fernando Alfonso, Nieves Gonzalo, Javier Escaned, Camino Bañuelos, Ander Regueiro, Pedro Marin, Antonio Fernández-Ortiz, Barbara Das-Neves, Maria Del Trigo, Cristina Fernández, Teresa Tejerina, Santiago Redondo, Eulogio García, Carlos Macaya
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https://doi.org/10.1161/CIRCRESAHA.115.303463
Circulation Research. 2014;CIRCRESAHA.114.303463
Originally published September 17, 2014
Pilar Jimenez-Quevedo
Cardiology, Hospital Clinico San Carlos
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  • For correspondence: patrop@telefonica.net
Juan Jose Gonzalez-Ferrer
Cardiology, Hospital Clinico San Carlos
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Manel Sabate
Cardiology, Hospital Clinic
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Xavier Garcia-Moll
Cardiology, Hospital Santa Creu i Sant Pau
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Roberto C Delgado-Bolton
Instituto PET Focuscan
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Leopoldo LLorente
Cardiology, Hospital Clinico San Carlos
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Esther Bernardo
Cardiology, Hospital Clinico San Carlos
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Aranzazu Ortega-Pozzi
Cardiology, Hospital Clinico San Carlos
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Rosana Hernández-Antolin
Cardiology, University Hospital Ramón y Cajal
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Fernando Alfonso
Cardiology, Hospital Clinico San Carlos
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Nieves Gonzalo
Cardiology, Hospital Clinico San Carlos
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Javier Escaned
Cardiology, Hospital Clinico San Carlos
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Camino Bañuelos
Cardiology, Hospital Clinico San Carlos
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Ander Regueiro
Cardiology, Hospital Clinic
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Pedro Marin
Hematology, Hospital Cliinic
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Antonio Fernández-Ortiz
Cardiology, Hospital Clinico San Carlos
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Barbara Das-Neves
Cardiology, Hospital Clinico San Carlos
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Maria Del Trigo
Cardiology, Hospital Clinico San Carlos
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Cristina Fernández
Statistics, Hospital Clinico San Carlos
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Teresa Tejerina
Pharmacology, Complutense University
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Santiago Redondo
Pharmacology, Complutense University
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Eulogio García
Cardiology, Hospital Clinico San Carlos
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Carlos Macaya
Cardiology, Hospital Clinico San Carlos
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Abstract

Rationale: Refractory angina (RA) constitutes a clinical problem.

Objective: The aim of this study was to assess the safety and the feasibility of transendocardial injection of CD133+cells to foster angiogenesis in patients with RA.

Methods and Results: in this randomized, double-blinded, multicenter controlled trial, eligible patients were treated with granulocyte-colony-stimulating factor, underwent an apheresis and NOGA mapping and were randomized to receive treatment with CD133+cells or no treatment. The primary endpoint was the safety of transendocardial injection of CD133+cells, as measured by the occurrence of major adverse cardiac and cerebrovascular event at 6-month. Secondary endpoints analyzed the efficacy. Twenty-eight patients were included (n=19 treatment; n=9 control). At 6-month, 1 patient in each group suffered ventricular fibrillation and 1 patient in each group died. One patient (treatment group) had a cardiac tamponade during mapping. There were no significant differences between groups with respect to efficacy parameters, however, the comparison within groups showed: a significant improvement in the number of angina episodes/per month (median-absolute difference (mAD):-8.5(95%CI, -15.0;-4-0) and in angina functional class in the treatment arm but not in the control group. At 6-months, only one SPECT parameter: Summed Score improved significantly in the treatment group: at rest and at stress:(mAD:-1.0(95%CI,-1.9;-0.1) but not in the control arm.

Conclusions: Our findings support feasibility and safety of transendocardial injection of CD133+cells in patients with RA. The promising clinical results and favorable data observed in SPECT summed score may set up the basis to test the efficacy of cell therapy in a larger randomized trial.

  • stem cell
  • chronic ischemia
  • angiogenesis
  • angina
  • Received January 14, 2014.
  • Revision received September 16, 2014.
  • Accepted September 17, 2014.
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    Selected CD133+ Progenitor Cells to Promote Angiogenesis in Patients with Refractory Angina: The Final Results of the PROGENITOR Randomized Trial.
    Pilar Jimenez-Quevedo, Juan Jose Gonzalez-Ferrer, Manel Sabate, Xavier Garcia-Moll, Roberto C Delgado-Bolton, Leopoldo LLorente, Esther Bernardo, Aranzazu Ortega-Pozzi, Rosana Hernández-Antolin, Fernando Alfonso, Nieves Gonzalo, Javier Escaned, Camino Bañuelos, Ander Regueiro, Pedro Marin, Antonio Fernández-Ortiz, Barbara Das-Neves, Maria Del Trigo, Cristina Fernández, Teresa Tejerina, Santiago Redondo, Eulogio García and Carlos Macaya
    Circulation Research. 2014;CIRCRESAHA.114.303463, originally published September 17, 2014
    https://doi.org/10.1161/CIRCRESAHA.115.303463

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    Selected CD133+ Progenitor Cells to Promote Angiogenesis in Patients with Refractory Angina: The Final Results of the PROGENITOR Randomized Trial.
    Pilar Jimenez-Quevedo, Juan Jose Gonzalez-Ferrer, Manel Sabate, Xavier Garcia-Moll, Roberto C Delgado-Bolton, Leopoldo LLorente, Esther Bernardo, Aranzazu Ortega-Pozzi, Rosana Hernández-Antolin, Fernando Alfonso, Nieves Gonzalo, Javier Escaned, Camino Bañuelos, Ander Regueiro, Pedro Marin, Antonio Fernández-Ortiz, Barbara Das-Neves, Maria Del Trigo, Cristina Fernández, Teresa Tejerina, Santiago Redondo, Eulogio García and Carlos Macaya
    Circulation Research. 2014;CIRCRESAHA.114.303463, originally published September 17, 2014
    https://doi.org/10.1161/CIRCRESAHA.115.303463
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