Volume 62, Issue 6 pp. 1280-1288
CELLULAR THERAPIES

Comparison of cryoprotectants in hematopoietic cell infusion–related adverse events

Kazuhiko Ikeda

Corresponding Author

Kazuhiko Ikeda

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University School of Medicine, Fukushima, Japan

Correspondence

Kazuhiko Ikeda, Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan.

Email: [email protected]

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Keiji Minakawa

Keiji Minakawa

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University School of Medicine, Fukushima, Japan

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Kenichi Yamahara

Kenichi Yamahara

Laboratory of Medical Innovation, Institute for Advanced Medical Sciences, Hyogo College of Medicine, Nishinomiya, Japan

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Minami Yamada-Fujiwara

Minami Yamada-Fujiwara

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Division of Blood Transfusion and Cell Therapy, Tohoku University Hospital, Sendai, Japan

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Yoshiki Okuyama

Yoshiki Okuyama

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Division of Transfusion and Cell Therapy, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan

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Shin-ichiro Fujiwara

Shin-ichiro Fujiwara

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Division of Cell Transplantation and Transfusion, Jichi Medical University Hospital, Shimotsuke, Japan

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Rie Yamazaki

Rie Yamazaki

Center for Transfusion Medicine and Cell Therapy, Keio University School of Medicine, Tokyo, Japan

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Heiwa Kanamori

Heiwa Kanamori

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Department of Hematology, Kanagawa Cancer Center, Yokohama, Japan

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Tohru Iseki

Tohru Iseki

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Department of Transfusion Medicine and Cell Therapy, Chiba University Hospital, Chiba, Japan

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Tokiko Nagamura-Inoue

Tokiko Nagamura-Inoue

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Institution of Medical Science, University of Tokyo, Tokyo, Japan

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Kazuaki Kameda

Kazuaki Kameda

Division of Hematology, Saitama Medical Center, Jichi Medical University, Saitama, Japan

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Kazuhiro Nagai

Kazuhiro Nagai

Transfusion and Cell Therapy Unit, Nagasaki University Hospital, Nagasaki, Japan

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Nobuharu Fujii

Nobuharu Fujii

Department of Transfusion Medicine, Okayama University Hospital, Okayama, Japan

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Takashi Ashida

Takashi Ashida

Center for Transfusion and Cell Therapy, Kindai University Hospital, Osakasayama, Japan

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Asao Hirose

Asao Hirose

Department of Hematology, Osaka City University, Osaka, Japan

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Tsutomu Takahashi

Tsutomu Takahashi

Department of Oncology/Hematology, Shimane University Hospital, Shimane, Japan

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Hitoshi Ohto

Hitoshi Ohto

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University School of Medicine, Fukushima, Japan

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Koki Ueda

Koki Ueda

Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University School of Medicine, Fukushima, Japan

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Ryuji Tanosaki

Ryuji Tanosaki

Cell Therapy Committee, Japan Society of Transfusion Medicine and Cell Therapy, Tokyo, Japan

Center for Transfusion Medicine and Cell Therapy, Keio University School of Medicine, Tokyo, Japan

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First published: 09 April 2022

Funding information: Japan Agency for Medical Research and Development; Japan Society of Transfusion Medicine and Cell Therapy; Ministry of Health, Labour and Welfare

Abstract

Background

The standard cryoprotectant for human cellular products is dimethyl sulfoxide (DMSO), which is associated with hematopoietic cell infusion-related adverse events (HCI-AEs) in hematopoietic stem cell transplantation including peripheral blood stem cell (PBSC) transplantation (PBSCT). DMSO is often used with hydroxyethyl starch (HES), which reduces DMSO concentration while maintaining the postthaw cell recovery. The cryoprotectant medium CP-1 (Kyokuto Pharmaceutical Industrial) is widely used in Japan. After mixture of a product with CP-1, DMSO and HES concentrations are 5% and 6%, respectively. However, the safety profile of CP-1 in association with HCI-AEs has not been investigated.

Study Design and Methods

To compare CP-1 with other cryoprotectants, we conducted a subgroup analysis of PBSCT recipients in a prospective surveillance study for HCI-AEs. Moreover, we validated the toxicity of CP-1 in 90 rats following various dose administration.

Results

The PBSC products cryopreserved with CP-1 (CP-1 group) and those with other cryoprotectants, mainly 10% DMSO (non-CP-1 group), were infused into 418 and 58 recipients, respectively. The rate of ≥grade 2 HCI-AEs was higher in the CP-1 group, but that of overall or ≥grade 3 HCI-AEs was not significantly different, compared to the non-CP-1 group. Similarly, after propensity score matching, ≥grade 2 HCI-AEs were more frequent in the CP-1 group, but the ≥grade 3 HCI-AE rate did not differ significantly between the groups. No significant toxicity was detected regardless of the CP-1 dose in the 90 rats.

Conclusions

Infusion of a CP-1-containing PBSC product is feasible with the respect of HCI-AEs.

CONFLICT OF INTEREST

A research fund to Kazuhiko Ikeda was provided from Kyokuto Pharmaceutical Industrial. There are no other conflicts.

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