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  • 1
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    Global age-sex-specific mortality, life expectancy, and population estimates in 204 countries and territories and 811 subnational locations, 1950–2021, and the impact of the COVID-19 pandemic: a comprehensive demographic analysis for the Global Burden of Disease Study 2021
    Elsevier BV ; 2024
    In:  The Lancet ( 2024-3)
    Details
    In: The Lancet, Elsevier BV, ( 2024-3)
    Type of Medium: Online Resource
    ISSN: 0140-6736
    URL: Article
    DOI: 10.1016/S0140-6736(24)00476-8
    RVK:
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    Language: English
    Publisher: Elsevier BV
    Publication Date: 2024
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  • 2
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    Post-Transplant High Dose Cyclophosphamide and Bortezomib As Graft-Versus-Host Disease Prophylaxis Following Allogeneic Hematopoietic Stem Cell Transplantation
    American Society of Hematology ; 2021
    In:  Blood Vol. 138, No. Supplement 1 ( 2021-11-05), p. 3892-3892
    Details
    In: Blood, American Society of Hematology, Vol. 138, No. Supplement 1 ( 2021-11-05), p. 3892-3892
    Abstract: Introduction. Prevention of graft-versus-host disease (GvHD) following allogeneic hematopoietic cell transplantation (AHCT) remains a major challenge. The combination of methotrexate (MTX) and a calcineurin inhibitor has been the standard regimen for prophylaxis in patients receiving matched sibling donor (MSD) or matched unrelated donor (MUD) transplants for the past few decades. However, over 50% of patients undergoing AHCT still develop acute or chronic GvHD or even both, causing high rates of morbidity and mortality. Moreover, calcineurin inhibitors also have untoward toxic side effects. High dose post-transplant cyclophosphamide (PTCy), initially introduced for GvHD prevention in the setting of haploidentical transplantation, has now been studied in MSD and MUD transplants. We adopted a novel approach to prevent GvHD using a short course of PTCy and bortezomib. We hypothesized that such combination is safe and effective and omits the need for calcineurin or m-TOR inhibitors. Study Design. We report the outcomes of a prospective cohort of patients who received PTCy and bortezomib for GvHD prevention following MSD or MUD transplants. Twenty-eight patients were treated in a phase I-II trial and their clinical outcomes were previously reported (al-Homsi AS et al, BBMT 2019). Most of the remaining patients were treated on an extension trial. GvHD prevention consisted of PTCy 50 mg/kg IV on day +3 and +4, and bortezomib 1.3mg/m 2 IV 6 hours after transplant and again 72 hours after. Patients receiving MUD transplants also received rabbit ATG (thymoglobulin®) 5mg/kg total IV fractionated on day -4 to -2. All patients received peripheral blood grafts and standard supportive care as per Institutional policy. G-CSF was administered routinely until neutrophil engraftment. Results. Fifty-eight patients are included in this analysis. Median age was 60 (range 22-78) years. Fifty-three percent of patients were male. Underlying malignancies consisted of myeloid and lymphoid malignancies in 79.3% and 20.6%, respectively. Acute myeloid leukemia (50%) and myelodysplastic syndromes (24.1%) were the most common diseases. At transplant, disease risk index was low, intermediate, high and very high in 19.0%, 48.3%, 31.0% and 1.7% of patients, respectively. Median Pretransplant Assessment of Mortality Score (PAM) was 16.7 (5.4-29.4). Grafts were from MSD in 24.1% or MUD in 75.9% of patients. Recipient (R)/Donor (D) CMV status at transplant was as follows: R+/D+: 43%; R+/D-: 21%; R-/D+: 14% and R-/D-: 22%. Conditioning regimens consisted of reduced intensity fludarabine and busulfan in all but 2 patients who were conditioned with myeloablative fludarabine and busulfan. Overall, the regimen was remarkably well tolerated. Median times to neutrophil and platelet engraftment were 16 (13-28) and 26 (15-57) days respectively. No patient experienced primary graft failure. CMV and EBV reactivation rates were 46.6% and 24%. Cumulative incidences of grade II-IV and grade III-IV acute GVHD were 35% (95% CI: 22%-47%) and 15% (95% CI: 7%-25%) at day +120, respectively. Cumulative incidence of chronic GvHD was 14% at 1 year . Overall, 34% of patients required immunosuppression with systemic steroids after day +4 either for grade III-IV acute or chronic GvHD. Disease relapse rate was 26%. One-year cumulative incidence of transplant-related mortality was 14% (95% CI: 6%-25%). Median overall survival was 30.7 (95% CI: 15.7-not yet reached) months. One-year overall survival was 72% (95% CI: 57%-82%). One-year composite GvHD (acute and chronic) free and relapse free survival (GRFS) was 41.6% (95% CI: 28.9%-54%). Conclusion. PTCy and bortezomib combination for GvHD prophylaxis following MSD and MUD transplants is well tolerated and effective. It offers an alternative regimen to calcineurin and m-TOR inhibitor-containing regimens and may be preferred in certain settings including patients with limited resources, poor medication compliance, and with impaired renal function. A comparison of this cohort to a matched control group of patients receiving methotrexate and cyclosporine for GvHD prevention is ongoing. Disclosures Abdul-Hay: Amgen: Membership on an entity's Board of Directors or advisory committees; Servier: Other: Advisory Board, Speakers Bureau; Jazz: Other: Advisory Board, Speakers Bureau; Abbvie: Consultancy; Takeda: Speakers Bureau. Al-Homsi: Celyad: Other: Advisory Board; Daichii Sanyko: Consultancy. OffLabel Disclosure: Cyclophosphamide and Bortezomib are used for GvHD prevention
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood-2021-151809
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2021
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  • 3
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    Post-Transplant Cyclophosphamide, Abatacept, and Short Course of Tacrolimus Combination (CAST) Is Safe and Seems Highly Effective in Preventing Graft-Versus-Host Disease Following Haploidentical Peripheral Blood Stem Cell Transplantation
    American Society of Hematology ; 2021
    In:  Blood Vol. 138, No. Supplement 1 ( 2021-11-05), p. 3906-3906
    Details
    In: Blood, American Society of Hematology, Vol. 138, No. Supplement 1 ( 2021-11-05), p. 3906-3906
    Abstract: The introduction of post-transplant cyclophosphamide (PTCy) has circumvented the need for T-cell depletion following haploidentical stem cell transplantation (SCT). By expanding the donor pool for patients from certain ethnic minorities, this has addressed to some degree an important health care disparity issue in SCT. However, a recent registry study showed increased incidence GvHD and inferior outcomes in patients receiving haploidentical SCT with PTCy, tacrolimus and mycophenolate mofetil for GvHD prevention as opposed to matched unrelated donor SCT with PTCy-based GvHD prevention. Seeking to improve the results of GvHD prevention in the setting of haploidentical SCT, we examined a combination of PTCy, abatacept and a short course of tacrolimus (CAST). Abatacept is a recombinant soluble fusion protein composed of the extracellular domain of cytotoxic T-lymphocyte associated antigen-4 (CTLA-4) fused to the Fc region of IgG1. Abatacept blocks CD28-CD80I86 axis and prevents T-cell co-stimulation. In early studies, abatacept has shown promising results when added to methotrexate and tacrolimus in matched and mismatched donor SCT. We initiated a phase Ib-II clinical trial for patients with hematological malignancies undergoing haploidentical SCT. Patients received G-CSF mobilized peripheral blood grafts from related haploidentical donors. GvHD prevention consisted of PTCy 50mg/kg IV on day +3 and +4 with forced hydration, abatacept 10mg/kg IV on day +5, +14 and +28 and tacrolimus. Tacrolimus was started on day +5 at 0.02mg/kg/day by continuous IV and adjusted thereafter to maintain a trough level of 5-12ng/mL. Tacrolimus taper was planned to begin on day +60 and complete by day +90 in the absence of GvHD. All patients received standard supportive care including levofloxacin until neutrophil engraftment, posaconazole until day +75, acyclovir for 1 year and, if CMV positive by serology, letermovir until day +100. Pneumocystis Jiroveci prophylaxis was started after neutrophil engraftment and continued until 6 months post-transplant. G-CSF was administered routinely until neutrophil engraftment. Since September 2020, 19 patients were enrolled. Three patients are too early in their post-transplant course and were excluded from this analysis. Patients' characteristics are summarized in the table. All but 2 patients received cryopreserved products. Median times to ANC and platelet engraftment were 18.5 days (14-30) and 28.5 (16-61). All 16 patients achieved full whole blood donor chimerism by day +30. There was no secondary graft failure. With a median follow-up was 149.5 days (41-308) with 10 patients having & gt;120 days and 8 & gt;180 days of follow-up, 4 patients developed skin acute GvHD (all grade I). No patient developed grade II-IV acute GvHD. Two patients developed skin chronic GvHD (limited, both moderate). Both cases were diagnosed following COVID-19 vaccination. Fifteen patients completed tacrolimus taper by day +90. Two patients received systemic steroids, one for treatment of cGvHD. The remaining patients required no further immunosuppressive therapy beyond day +90. CMV activation rate was 25%. One patient had EBV reactivation and required preemptive therapy with 2 weekly rituximab doses. There were no cases of adenovirus, HHV-6 virus or BK virus reactivation. Four patients developed renal insufficiency (3 in the setting of acute sepsis and 1 with thrombotic microangiopathy, which resolved after tapering off tacrolimus. One patient with adult T-cell leukemia/lymphoma relapsed and died. All other patients are alive and well. In summary, our preliminary results suggest that CAST with shortened course of tacrolimus is feasible and seems to offer very promising outcomes with low rates of acute GvHD. The study is accruing actively and the results of a larger cohort with longer follow-up will be presented at the meeting. If confirmed, by improving the outcomes of haploidentical SCT, this regimen may further address a health care disparity issue, offering almost every patient in need of allogeneic SCT an alternative donor option with equal outcomes. Figure 1 Figure 1. Disclosures Al-Homsi: Daichii Sanyko: Consultancy; Celyad: Other: Advisory Board. Abdul-Hay: Abbvie: Consultancy; Servier: Other: Advisory Board, Speakers Bureau; Jazz: Other: Advisory Board, Speakers Bureau; Takeda: Speakers Bureau; Amgen: Membership on an entity's Board of Directors or advisory committees. OffLabel Disclosure: Abatacept - off label use as GvHD prevention Cyclophosphamide - off label use as GvHD prevention
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood-2021-150856
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2021
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  • 4
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    Constitutive and Immunoproteasome Inhibitors Increase IκB and Decrease NF-κB Expression In Dendritic Cell
    American Society of Hematology ; 2013
    In:  Blood Vol. 122, No. 21 ( 2013-11-15), p. 3493-3493
    Details
    In: Blood, American Society of Hematology, Vol. 122, No. 21 ( 2013-11-15), p. 3493-3493
    Abstract: Constitutive and immunoproteasome inhibitors (C & IPI) were thought to suppress nuclear factor-κB (NF-κB) pathway by preventing IκB degradation, which prevents NF-κB translocation into the nucleus. This mechanism of action has since been questioned by a number of studies. First, bortezomib promoted constitutive NF-κB activity in endothelial cell carcinoma. Second, NF-κB constitutive activity was resistant to bortezomib in multiple myeloma cell lines. Third, bortezomib increased IκB mRNA but post-transcriptionally downregulated IκB in normal cells and in multiple myeloma cell lines resulting in induced canonical NF-κB activation. Lastly, bortezomib increased nuclear levels of IκB as opposed to lowering cytoplasmic levels in cutaneous T cell lymphoma cell line suggesting that nuclear translocation of IκB was possibly responsible for NF-κB inhibition. The inhibitory activity of C & IPI on dendritic cells (DC) is of interest in the prevention of graft versus host disease (GvHD). It has been shown that different C & IPI impede DC maturation and T cell priming both in vitro and in vivo. Herein we sought to understand the mechanism of action of proteasome and immunoproteasome inhibitors on DC and to test their effect on IκB and NF-IκB expression. Materials and Methods We first performed RT PCR on lysates of DC obtained from the peripheral blood of 7 patients who received post-transplant cyclophosphamide and bortezomib as prevention of GvHD on a phase I clinical trial. Patients received allogeneic transplantation from matched-related or unrelated donors. Patients received no other immunosuppressive therapy except for rabbit anti-thymocyte globulin for those receiving graft from unrelated donor. Steroids were not allowed on the study. Samples were obtained on days +1, +4, and +7. The results were analyzed in comparison to samples obtained on day 0 before stem cell infusion. We then performed the same experiment on lysates of DC obtained from the peripheral blood of healthy volunteer donors. DC were untreated or incubated with bortezomib (10 nM for 4 h), carfilzomib (30 nM for 1 h), oprozomib (100 nM and 300 nM for 4 h), ONX 0914 (200 nM for 1 h), PR-825 (125 nM for 1 h), or PR-924 (1000 nM for 1 h). The drug concentration and duration of exposure were chosen based on the IC50 on proteasome activity and to reproduce in vivo conditions. We also performed IκB western blot on DC isolated from peripheral blood of healthy volunteers, untreated or incubated with bortezomib (10 nM for 4 h) or oprozomib (300 nM for 4 h). Each experiment was performed at least in triplicate. Results We found that the combination of cyclophosphamide and bortezomib significantly and progressively increased IκB mRNA while decreasing NF-κB mRNA in DC studied ex vivo. We also found that all studied C & IPI increased IκB mRNA to a variable degree while only oprozomib (300 nM) decreased NF-κB mRNA in DC in vitro. Finally, both bortezomib and oprozomib increased IκB protein level in DC in vitro (figure). Conclusion Our data suggest that C & IPI increase IκB expression in DC. As opposed to the previously reported data in other cell types, the effect is not associated with post-transcriptional downregulation. Cyclophosphamide and bortezomib also decrease NF-κB expression in DC in vivo while only oprozomib had the same effect in vitro. The effect of C & IPI on IκB and NF-κB expression may represent a new mechanism of action and suggests their effect may be cell-type dependent. Disclosures: Al-Homsi: Millennium Pharmaceuticals: Research Funding. Off Label Use: The use of cyclophosphamide and bortezomib for GvHD prevention. Lai:Millennium Pharmaceuticals: Research Funding.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood.V122.21.3493.3493
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2013
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  • 5
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    Post-transplant cyclophosphamide and bortezomib inhibit dendritic cell maturation and function and alter their IκB and NFκB
    Elsevier BV ; 2014
    In:  Transplant Immunology Vol. 30, No. 1 ( 2014-01), p. 40-45
    Details
    In: Transplant Immunology, Elsevier BV, Vol. 30, No. 1 ( 2014-01), p. 40-45
    Type of Medium: Online Resource
    ISSN: 0966-3274
    URL: Article
    DOI: 10.1016/j.trim.2013.11.003
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2014
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  • 6
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    Standardizing Definitions of Hematopoietic Recovery, Graft Rejection, Graft Failure, Poor Graft Function, and Donor Chimerism in Allogeneic Hematopoietic Cell Transplantation: A Report on Behalf of the American Society for Transplantation and Cellular Therapy
    Elsevier BV ; 2021
    In:  Transplantation and Cellular Therapy Vol. 27, No. 8 ( 2021-08), p. 642-649
    Details
    In: Transplantation and Cellular Therapy, Elsevier BV, Vol. 27, No. 8 ( 2021-08), p. 642-649
    Type of Medium: Online Resource
    ISSN: 2666-6367
    URL: Article
    DOI: 10.1016/j.jtct.2021.04.007
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2021
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  • 7
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    Bortezomib for the prevention and treatment of graft-versus-host disease after allogeneic hematopoietic stem cell transplantation
    Elsevier BV ; 2016
    In:  Experimental Hematology Vol. 44, No. 9 ( 2016-09), p. 771-777
    Details
    In: Experimental Hematology, Elsevier BV, Vol. 44, No. 9 ( 2016-09), p. 771-777
    Type of Medium: Online Resource
    ISSN: 0301-472X
    URL: Article
    DOI: 10.1016/j.exphem.2016.05.005
    RVK:
    XA 42470
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2016
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  • 8
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    Short Course of Post-Transplantation Cyclophosphamide and Bortezomib for Graft-versus-Host Disease Prevention after Allogeneic Peripheral Blood Stem Cell Transplantation Is Feasible and Yields Favorable Results: A Phase I Study
    Elsevier BV ; 2015
    In:  Biology of Blood and Marrow Transplantation Vol. 21, No. 7 ( 2015-07), p. 1315-1320
    Details
    In: Biology of Blood and Marrow Transplantation, Elsevier BV, Vol. 21, No. 7 ( 2015-07), p. 1315-1320
    Type of Medium: Online Resource
    ISSN: 1083-8791
    URL: Article
    DOI: 10.1016/j.bbmt.2015.02.008
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2015
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    detail.hit.zdb_id: 2057605-5
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  • 9
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    Post-Transplantation Cyclophosphamide and Ixazomib Combination Rescues Mice Subjected to Experimental Graft-versus-Host Disease and Is Superior to Either Agent Alone
    Elsevier BV ; 2017
    In:  Biology of Blood and Marrow Transplantation Vol. 23, No. 2 ( 2017-02), p. 255-261
    Details
    In: Biology of Blood and Marrow Transplantation, Elsevier BV, Vol. 23, No. 2 ( 2017-02), p. 255-261
    Type of Medium: Online Resource
    ISSN: 1083-8791
    URL: Article
    DOI: 10.1016/j.bbmt.2016.11.015
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2017
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  • 10
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    Composite GRFS and CRFS Outcomes After Adult Alternative Donor HCT
    American Society of Clinical Oncology (ASCO) ; 2020
    In:  Journal of Clinical Oncology Vol. 38, No. 18 ( 2020-06-20), p. 2062-2076
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 18 ( 2020-06-20), p. 2062-2076
    Abstract: There is no consensus on the best choice of an alternative donor (umbilical cord blood [UCB], haploidentical, one-antigen mismatched [7/8] –bone marrow [BM], or 7/8-peripheral blood [PB] ) for hematopoietic cell transplantation (HCT) for patients lacking an HLA-matched related or unrelated donor. METHODS We report composite end points of graft-versus-host disease (GVHD)–free relapse-free survival (GRFS) and chronic GVHD (cGVHD)–free relapse-free survival (CRFS) in 2,198 patients who underwent UCB (n = 838), haploidentical (n = 159), 7/8-BM (n = 241), or 7/8-PB (n = 960) HCT. All groups were divided by myeloablative conditioning (MAC) intensity or reduced intensity conditioning (RIC), except haploidentical group in which most received RIC. To account for multiple testing, P 〈 .0071 in multivariable analysis and P 〈 .00025 in direct pairwise comparisons were considered statistically significant. RESULTS In multivariable analysis, haploidentical group had the best GRFS, CRFS, and overall survival (OS). In the direct pairwise comparison of other groups, among those who received MAC, there was no difference in GRFS or CRFS among UCB, 7/8-BM, and 7/8-PB with serotherapy (alemtuzumab or antithymocyte globulin) groups. In contrast, the 7/8-PB without serotherapy group had significantly inferior GRFS, higher cGVHD, and a trend toward worse CRFS (hazard ratio [HR], 1.38; 95% CI, 1.13 to 1.69; P = .002) than the 7/8-BM group and higher cGVHD and trend toward inferior CRFS (HR, 1.36; 95% CI, 1.14 to 1.63; P = .0006) than the UCB group. Among patients with RIC, all groups had significantly inferior GRFS and CRFS compared with the haploidentical group. CONCLUSION Recognizing the limitations of a registry retrospective analysis and the possibility of center selection bias in choosing donors, our data support the use of UCB, 7/8-BM, or 7/8-PB (with serotherapy) grafts for patients undergoing MAC HCT and haploidentical grafts for patients undergoing RIC HCT. The haploidentical group had the best GRFS, CRFS, and OS of all groups.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.19.00396
    RVK:
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    RVK:
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
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