Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial
A significant number of chronic venous ulcers (CVUs) fail to heal despite guideline-conform standards of care. Skin-derived ABCB5+ mesenchymal stem cells can dampen the sustained IL-1β‒driven inflammation present in chronic wounds. On the basis of their wound healing‒facilitating effects in a mouse...
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2022
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oai:doaj.org-article:30269062a0c04e579251c083a67688692021-11-20T05:15:52ZAllogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial2667-026710.1016/j.xjidi.2021.100067https://doaj.org/article/30269062a0c04e579251c083a67688692022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2667026721000680https://doaj.org/toc/2667-0267A significant number of chronic venous ulcers (CVUs) fail to heal despite guideline-conform standards of care. Skin-derived ABCB5+ mesenchymal stem cells can dampen the sustained IL-1β‒driven inflammation present in chronic wounds. On the basis of their wound healing‒facilitating effects in a mouse CVU model and an autologous first-in-human study, ABCB5+ mesenchymal stem cells have emerged as a potential candidate for cell-based advanced therapy of nonhealing CVUs. In this interventional, multicenter, single-arm, phase I/IIa clinical trial, subjects whose CVUs had emerged as standard therapy resistant received one or two topical applications of 1 × 106 allogeneic ABCB5+ mesenchymal stem cells per cm2 wound area, in addition to standard treatment. Of 83 treatment-emergent adverse events, only three were judged related to the cell product; they were mild or moderate and recovered without sequelae. Wound size markedly decreased from baseline to week 12, resulting in a median wound size reduction of 76% (full analysis set, n = 31), 78% (per-protocol set, n = 27), and 87% (subset of responders, n = 21). In conclusion, the study treatment was well-tolerated and safe. The treatment elicited a profound wound size reduction within 12 weeks, identifying ABCB5+ mesenchymal stem cells as a potential candidate for adjunctive therapy of otherwise incurable CVUs. These results justify the conduct of a larger, randomized, controlled trial to confirm clinical efficacy.Andreas KerstanKathrin DieterElke Niebergall-RothAnn-Kathrin DachtlerKorinna KraftMarkus StückerGeorg DaeschleinMichael JüngerTobias GörgeUlrich Meyer-PannwittCornelia Erfurt-BergeCharlotte von EngelhardtAndreas KlareChristiane PfeifferJasmina EsterlechnerHannes M. SchröderMartin GasserAna M. Waaga-GasserMatthias GoebelerSeda BallikayaSamar SadeghiGeorge F. MurphyDennis P. OrgillNatasha Y. FrankChristoph GanssKarin Scharffetter-KochanekMarkus H. FrankMark A. KluthElsevierarticleDermatologyRL1-803ENJID Innovations, Vol 2, Iss 1, Pp 100067- (2022) |
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Dermatology RL1-803 |
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Dermatology RL1-803 Andreas Kerstan Kathrin Dieter Elke Niebergall-Roth Ann-Kathrin Dachtler Korinna Kraft Markus Stücker Georg Daeschlein Michael Jünger Tobias Görge Ulrich Meyer-Pannwitt Cornelia Erfurt-Berge Charlotte von Engelhardt Andreas Klare Christiane Pfeiffer Jasmina Esterlechner Hannes M. Schröder Martin Gasser Ana M. Waaga-Gasser Matthias Goebeler Seda Ballikaya Samar Sadeghi George F. Murphy Dennis P. Orgill Natasha Y. Frank Christoph Ganss Karin Scharffetter-Kochanek Markus H. Frank Mark A. Kluth Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial |
description |
A significant number of chronic venous ulcers (CVUs) fail to heal despite guideline-conform standards of care. Skin-derived ABCB5+ mesenchymal stem cells can dampen the sustained IL-1β‒driven inflammation present in chronic wounds. On the basis of their wound healing‒facilitating effects in a mouse CVU model and an autologous first-in-human study, ABCB5+ mesenchymal stem cells have emerged as a potential candidate for cell-based advanced therapy of nonhealing CVUs. In this interventional, multicenter, single-arm, phase I/IIa clinical trial, subjects whose CVUs had emerged as standard therapy resistant received one or two topical applications of 1 × 106 allogeneic ABCB5+ mesenchymal stem cells per cm2 wound area, in addition to standard treatment. Of 83 treatment-emergent adverse events, only three were judged related to the cell product; they were mild or moderate and recovered without sequelae. Wound size markedly decreased from baseline to week 12, resulting in a median wound size reduction of 76% (full analysis set, n = 31), 78% (per-protocol set, n = 27), and 87% (subset of responders, n = 21). In conclusion, the study treatment was well-tolerated and safe. The treatment elicited a profound wound size reduction within 12 weeks, identifying ABCB5+ mesenchymal stem cells as a potential candidate for adjunctive therapy of otherwise incurable CVUs. These results justify the conduct of a larger, randomized, controlled trial to confirm clinical efficacy. |
format |
article |
author |
Andreas Kerstan Kathrin Dieter Elke Niebergall-Roth Ann-Kathrin Dachtler Korinna Kraft Markus Stücker Georg Daeschlein Michael Jünger Tobias Görge Ulrich Meyer-Pannwitt Cornelia Erfurt-Berge Charlotte von Engelhardt Andreas Klare Christiane Pfeiffer Jasmina Esterlechner Hannes M. Schröder Martin Gasser Ana M. Waaga-Gasser Matthias Goebeler Seda Ballikaya Samar Sadeghi George F. Murphy Dennis P. Orgill Natasha Y. Frank Christoph Ganss Karin Scharffetter-Kochanek Markus H. Frank Mark A. Kluth |
author_facet |
Andreas Kerstan Kathrin Dieter Elke Niebergall-Roth Ann-Kathrin Dachtler Korinna Kraft Markus Stücker Georg Daeschlein Michael Jünger Tobias Görge Ulrich Meyer-Pannwitt Cornelia Erfurt-Berge Charlotte von Engelhardt Andreas Klare Christiane Pfeiffer Jasmina Esterlechner Hannes M. Schröder Martin Gasser Ana M. Waaga-Gasser Matthias Goebeler Seda Ballikaya Samar Sadeghi George F. Murphy Dennis P. Orgill Natasha Y. Frank Christoph Ganss Karin Scharffetter-Kochanek Markus H. Frank Mark A. Kluth |
author_sort |
Andreas Kerstan |
title |
Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial |
title_short |
Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial |
title_full |
Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial |
title_fullStr |
Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial |
title_full_unstemmed |
Allogeneic ABCB5+ Mesenchymal Stem Cells for Treatment-Refractory Chronic Venous Ulcers: A Phase I/IIa Clinical Trial |
title_sort |
allogeneic abcb5+ mesenchymal stem cells for treatment-refractory chronic venous ulcers: a phase i/iia clinical trial |
publisher |
Elsevier |
publishDate |
2022 |
url |
https://doaj.org/article/30269062a0c04e579251c083a6768869 |
work_keys_str_mv |
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