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Allogeneic stem cell transplantation (allo-SCT) following a non-myeloablative (NMA) or reduced-intensity conditioning (RIC) is considered a valid approach to treat patients with refractory/relapsed Hodgkin lymphoma (HL). When an HLA-matched donor is lacking a graft from a familial haploidentical (HAPLO) donor, a mismatched unrelated donor (MMUD) or cord blood (CB) might be considered. In this retrospective study, we compared the outcome of patients with HL undergoing a RIC or NMA allo-SCT from HAPLO, MMUD or CB. Ninety-eight patients were included. Median follow-up was 31 months for the whole cohort. All patients in the HAPLO group ( N =34) received a T-cell replete allo-SCT after a NMA (FLU-CY-TBI, N =31, 91%) or a RIC ( N =3, 9%) followed by post-transplant cyclophosphamide. After adjustment for significant covariates, MMUD and CB were associated with significantly lower GvHD-free relapse-free survival (GRFS; hazard ratio (HR)=2.02, P =0.03 and HR=2.43, P =0.009, respectively) compared with HAPLO donors. In conclusion, higher GRFS was observed in Hodgkin lymphoma patients receiving a RIC or NMA allo-SCT with post-transplant cyclophosphamide from HAPLO donors. Our findings suggest they should be favoured over MMUD and CB in this setting.

Allogeneic stem cell transplantation (allo-SCT) following a non-myeloablative (NMA) or reduced-intensity conditioning (RIC) is considered a valid approach to treat patients with refractory/relapsed Hodgkin lymphoma (HL). When an HLA-matched donor is lacking a graft from a familial haploidentical (HAPLO) donor, a mismatched unrelated donor (MMUD) or cord blood (CB) might be considered. In this retrospective study, we compared the outcome of patients with HL undergoing a RIC or NMA allo-SCT from HAPLO, MMUD or CB. Ninety-eight patients were included. Median follow-up was 31 months for the whole cohort. All patients in the HAPLO group (N = 34) received a T-cell replete allo-SCT after a NMA (FLU-CY-TBI, N = 31, 91%) or a RIC (N = 3, 9%) followed by post-transplant cyclophosphamide. After adjustment for significant covariates, MMUD and CB were associated with significantly lower GvHD-free relapse-free survival (GRFS; hazard ratio (HR) = 2.02, P = 0.03 and HR = 2.43, P = 0.009, respectively) compared with HAPLO donors. In conclusion, higher GRFS was observed in Hodgkin lymphoma patients receiving a RIC or NMA allo-SCT with posttransplant cyclophosphamide from HAPLO donors. Our findings suggest they should be favoured over MMUD and CB in this setting.

The question of the best donor type between haploidentical (HAPLO) and matched-related donors (MRD) for patients with advanced HL receiving an allogeneic hematopoietic cell transplantation (allo-HCT) is still debated. Given the lack of data comparing these two types of donor in the setting of non-myeloablative (NMA) or reduced-intensity (RIC) allo-HCT, we performed a multicentre retrospective study using graft-vs.-host disease-free relapse-free survival (GRFS) as our primary endpoint. We analysed the data of 151 consecutive HL patients who underwent NMA or RIC allo-HCT from a HAPLO ( N   =  61) or MRD ( N   =  90) between January 2011 and January 2016. GRFS was defined as the probability of being alive without evidence of relapse, grade 3–4 acute GVHD or chronic GVHD. In multivariable analysis, MRD donors were independently associated with lower GRFS compared to HAPLO donors (HR  =  2.95, P    < 0.001). Disease status at transplant other than CR was also associated with lower GRFS in multivariable analysis (HR  =  1.74, P   =  0.01). In addition, the administration of ATG was independently linked to higher GRFS (HR  =  0.52, P   =  0.009). In summary, we observed significantly higher GRFS in HL patients receiving an allo-HCT using the HAPLO PT-Cy platform compared to MRD.

Les arbres sont très sensibles au stress hydrique. Certaines essences, vivant des centaines d'années, ont une mobilité trop lente pour s'adapter au réchauffement climatique.

Les sécheresses déciment les forêts françaises. Les arbres, qui recouvrent un tiers du pays, ont une mobilité trop lente pour s’adapter au réchauffement climatique.