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Feasibility of mesenchymal stem cell culture expansion for a phase I clinical trial in multiple sclerosis.


ABSTRACT: Background:Multiple sclerosis is an inflammatory, neurodegenerative disease of the central nervous system for which therapeutic mesenchymal stem cell transplantation is under study. Published experience of culture-expanding multiple sclerosis patients' mesenchymal stem cells for clinical trials is limited. Objective:To determine the feasibility of culture-expanding multiple sclerosis patients' mesenchymal stem cells for clinical use. Methods:In a phase I trial, autologous, bone marrow-derived mesenchymal stem cells were isolated from 25 trial participants with multiple sclerosis and eight matched controls, and culture-expanded to a target single dose of 1-2 × 106 cells/kg. Viability, cell product identity and sterility were assessed prior to infusion. Cytogenetic stability was assessed by single nucleotide polymorphism analysis of mesenchymal stem cells from 18 multiple sclerosis patients and five controls. Results:One patient failed screening. Mesenchymal stem cell culture expansion was successful for 24 of 25 multiple sclerosis patients and six of eight controls. The target dose was achieved in 16-62 days, requiring two to three cell passages. Growth rate and culture success did not correlate with demographic or multiple sclerosis disease characteristics. Cytogenetic studies identified changes on one chromosome of one control (4.3%) after extended time in culture. Conclusion:Culture expansion of mesenchymal stem cells from multiple sclerosis patients as donors is feasible. However, culture time should be minimized for cell products designated for therapeutic administration.

SUBMITTER: Planchon SM 

PROVIDER: S-EPMC5881997 | biostudies-literature | 2018 Jan-Mar

REPOSITORIES: biostudies-literature

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Feasibility of mesenchymal stem cell culture expansion for a phase I clinical trial in multiple sclerosis.

Planchon Sarah M SM   Lingas Karen T KT   Reese Koç Jane J   Hooper Brittney M BM   Maitra Basabi B   Fox Robert M RM   Imrey Peter B PB   Drake Kylie M KM   Aldred Micheala A MA   Lazarus Hillard M HM   Cohen Jeffrey A JA  

Multiple sclerosis journal - experimental, translational and clinical 20180101 1


<h4>Background</h4>Multiple sclerosis is an inflammatory, neurodegenerative disease of the central nervous system for which therapeutic mesenchymal stem cell transplantation is under study. Published experience of culture-expanding multiple sclerosis patients' mesenchymal stem cells for clinical trials is limited.<h4>Objective</h4>To determine the feasibility of culture-expanding multiple sclerosis patients' mesenchymal stem cells for clinical use.<h4>Methods</h4>In a phase I trial, autologous,  ...[more]

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