Modalités et impact de la cryopréservation des greffons allogéniques en contexte pandémique : recommandations de la Société Francophone de Greffe de Moelle et de Thérapie Cellulaire (SFGM-TC)
Allogreffe de cellules souches hématopoïétiques; Cryopréservation; Pandémie COVID-19
Abstract :
[fr] La pandémie COVID-19 a bouleversé les activités de greffe et a nécessité le recours à la cryopréservation des greffons de cellules souches hématopoïétiques allogéniques pour sécuriser la procédure, tant au niveau du patient que du donneur. La cryopréservation en situation allogénique, habituellement anecdotique, a été utilisée par tous les centres francophones. Les données collectées auprès de 24 centres ont été analysées afin d'évaluer l'impact de la cryopréservation sur la qualité du greffon. Cette analyse démontre le rôle délétère du transit prolongé (plus de 48 heures) sur la récupération des progéniteurs CD34+, l'importance de l'augmentation de la dose de progéniteurs CD34+ demandée, justifiant la nécessité d'un contrôle de qualité après décongélation. [en] Method and impact of allografts cryopreservation during the Covid-19 pandemic:
guidelines from the Francophone Society of Bone Marrow Transplantation and Cellular
Therapy (SFGM-TC)
The COVID-19 pandemic disorganized the allogeneic stem cell transplantation activities all over
the world, with the necessity to cryopreserve allografts to secure the procedure for both the
recipient and the donor. Cryopreservation, usually anecdotal, has been used by all the French
speaking centers; data collected from 24 centers were assessed in order to determine the impact
of cryopreservation on the quality of allografts. Our analysis clearly demonstrates that increasing
transit time (more than 48 hours) is deleterious for CD34+ recovery, legitimates the slight increase
of the requested CD34+ cell dose with respect to the average recovery rate as well as the
importance of the quality control on the infused product.
Disciplines :
Hematology
Author, co-author :
Forcade, Edouard; CHU de Bordeaux > Service d'hématologie clinique et thérapie cellulaire
Bacquet, Solenn; CHU Amiens Sud > Unité de thérapie cellulaire
Ballot, Caroline; EFS Hauts-de-France Normandie site de Lille > Laboratoire de thérapie cellulaire
Capin, Lucille; CHU de la Réunion Site Sud > Banque de cellules et tissus
GARNIER, Federico; Agence de la biomédecine > Direction prélèvement et greffe de CSH
Giraud, Christine; CHU de Poitiers > Laboratoire de thérapie cellulaire EFS NVAQ site de Poitiers
Guérout-Vérité, Marie-Agnès; EFS Bretagne site de Rennes > Unité de thérapie cellulaire
Letellier, Catherine; EFS Nouvelle Aquitaine site de Bordeaux > Service ingénierie tissulaire et cellulaire
MAGNANI, Alessandra; Hôpital universitaire Necker-Enfants malades [FR] > Laboratoire de thérapie cellulaire et génique
MAMEZ, Anne-Claire; HUG - Hôpitaux Universitaires de Genève [CH] > Service d'hématologie
NASONE, Justine; Hôpital Saint-Louis [FR] > Unité de thérapie cellulaire
Sinayoko, Mahamadou; Agence de la biomédecine > Direction prélèvement et greffe de CSH
BAUDOUX, Etienne ; Centre Hospitalier Universitaire de Liège - CHU > > Thérapie cellulaire
MIALOU, Valérie; Hôpital Edouard Herriot [FR] > Banque de tissus et cellules
Yakoub-Agha, Ibrahim; ULille - Université de Lille [FR] > Inserm INFINITE U1286,
Calmels, Boris; Institut Paoli Calmettes > Centre de thérapie cellulaire > Module biothérapies du centre d'investigation clinique CBT-1409, Inserm
Modalités et impact de la cryopréservation des greffons allogéniques en contexte pandémique : recommandations de la Société Francophone de Greffe de Moelle et de Thérapie Cellulaire (SFGM-TC)
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