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排序方式: 共有191条查询结果,搜索用时 15 毫秒
1.
Safety and efficacy of denileukin diftitox in patients with steroid-refractory acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation 下载免费PDF全文
Ho VT Zahrieh D Hochberg E Micale E Levin J Reynolds C Steckel S Cutler C Fisher DC Lee SJ Alyea EP Ritz J Soiffer RJ Antin JH 《Blood》2004,104(4):1224-1226
Denileukin diftitox (Ontak), a recombinant protein composed of human interleukin 2 (IL-2) fused to diphtheria toxin, has selective cytotoxicity against activated lymphocytes expressing the high-affinity IL-2 receptor. We conducted a phase 1 study of denileukin diftitox in 30 patients with steroid refractory acute graft-versus-host disease (GVHD). Seven patients received 9 microg/kg intravenously on days 1 and 15; 18 received 9 microg/kg intravenously on days 1, 3, 5, 15, 17, and 19; and 5 received 9 microg/kg intravenously on days 1 to 5 and 15 to 19. Hepatic transaminase elevation was the dose-limiting toxicity (DLT), and dose level 2 was the maximum tolerated dose (MTD). Overall, 71% of patients responded with complete resolution (12 of 24; 50%) or partial resolution (5 of 24; 21%) of GVHD. Eight of 24 patients (33%) are alive at 6.3 to 24.6 months (median, 7.2 months). Denileukin diftitox is tolerable and has promising activity in steroid-refractory acute GVHD. 相似文献
2.
Corey Cutler Shuli Li Haesook T Kim Patricia Laglenne Kwok Chuen Szeto Laura Hoffmeister M Joel Harrison Vincent Ho Edwin Alyea Stephanie J Lee Robert Soiffer Stephen Sonis Joseph H Antin 《Biology of blood and marrow transplantation》2005,11(5):383-388
Oral mucositis occurs in up to 75% of recipients of high-dose chemoradiotherapy conditioning regimens used for allogeneic hematopoietic stem cell transplantation (HSCT). As a result of mucositis, narcotic analgesia and total parenteral nutrition (TPN) are commonly required after HSCT. Methotrexate, an antiproliferative graft-versus-host disease (GVHD) prophylaxis agent, impairs mucosal regeneration and worsens and prolongs mucositis. We assessed the effect of substituting sirolimus for methotrexate as GVHD prophylaxis on outcomes associated with mucositis. Two patient cohorts undergoing allogeneic HLA-matched related donor peripheral blood stem cell transplantation with cyclophosphamide/total body irradiation conditioning were prospectively analyzed for mucositis severity and retrospectively reviewed for correlative outcomes. GVHD prophylaxis consisted of sirolimus/tacrolimus (ST) in the study group and tacrolimus/methotrexate (TM) in the control group. Thirty patients received ST and 24 patients received TM as GVHD prophylaxis between October 2000 and May 2003. Mild, moderate, and severe mucositis was noted in 37%, 57%, and 7% of the ST group and 8%, 42%, and 50% of the TM group (P = .0002). Less TPN was used in the ST group than the TM group (17% versus 43% of posttransplantation hospital days; P = .02). The total number of narcotic days was lower in the ST group in comparison with the TM group (median, 13.5 versus 17 days; P = .08). The time to first hospital discharge was shorter in the ST group compared with the TM group (median, 18 versus 22 days; P = .07). The substitution of sirolimus for methotrexate as GVHD prophylaxis is associated with a reduction in mucositis severity. As a result, TPN and narcotic use are reduced, and hospitalization duration is shortened. Less toxic GVHD prophylaxis regimens without methotrexate may have a significant effect on patient quality of life, patient outcomes, and economic outcomes associated with allogeneic stem cell transplantation. 相似文献
3.
Vassiliki A. Boussiotis Nichole A. Pardo Heather Collins Alan Houghton Jerome Ritz Lee M. Nadler Robert J. Soiffer 《European journal of immunology》1996,26(9):2149-2154
R24 is a monoclonal antibody directed against the cell surface ganglioside GD3. It can detect GD3 on the surface of a subset of T lymphocytes and can stimulate proliferation and secretion of cytokines in vitro. In the present report, we examined the effects of the R24 antibody upon antigen-specific T cell response, employing an HLA-DR7-specific T cell clonal model. As previously shown, primary stimulation of HLA-DR7-specific alloreactive T cell clones by transfectants expressing HLA-DR7 alone (t-DR7) in the absence of B7 co-stimulation resulted in anergy. Binding of cell surface GD3 on HLA-DR7-specific alloreactive T cell clones with R24 under these anergizing conditions resulted in interleukin-2 (IL-2) accumulation and prevented the induction of alloantigen-specific T cell clonal anergy. Binding of GD3 by R24 also prevented anergy under conditions where B7:CD28 interactions were blocked by CTLA4-Ig. The effect of R24 was abrogated in the presence of a combination of monoclonal antibodies for the α and β chains of the IL-2 receptor (IL-2R) or a neutralizing anti-IL-2 antibody. R24 does not appear to interact directly with the IL-2R since incubation of T cell clones with R24 did not induce early activation of IL-2R associated Jak kinases, Jak1 and Jak3, as was induced following incubation with IL-2. In contrast, incubation of HLA-DR7-specific clones with t-DR7 in the presence of R24 did result in phosphorylation of IL-2R related Jak kinases after 24 h. Our data indicate that the membrane ganglioside GD3 structure recognized by R24 may play an important role in antigen-specific T cell clonal response. 相似文献
4.
Claudio G. Brunstein Corey S. Cutler Todd E. DeFor Haesook Kim Nelli Bejanyan Alfred Garfall Michael R. Verneris Yi-Bin Chen Erica D. Warlick Thomas Spitzer Jeffrey S. Miller Joseph H. Antin Daniel J. Weisdorf Robert Soiffer John E. Wagner Karen K. Ballen 《Biology of blood and marrow transplantation》2017,23(1):126-133
We studied the effect of HLA-C matching in 515 patients after double umbilical cord blood (UCB) transplantation. After HLA matching HLA-A, -B, and -DRB1 at the allele level, we scored patients according to number of donor-recipient HLA-C matches at 4 possible loci: 2 from each donor unit, at the allele level. Given a direct interaction between HLA-A, -B, and -DRB1 matching and HLA-C score, we analyzed HLA-C matching in those receiving at least 1 2/6 to 4/6 HLA–matched unit (n?=?389) versus those receiving only 5/6 or 6/6–matched units (n?=?126). In those with at least 1 2/6 to 4/6 HLA–matched unit, a better HLA-C matching score was associated with significantly lower risk of death of any cause and nonrelapse mortality and better disease-free survival. There was no association with the risk of relapse, acute and chronic graft-versus-host disease, and hematopoietic recovery. In contrast, among patients receiving only allele-level 5/6 or 6/6 HLA–matched UCB units, HLA-C match had no demonstrable effect on any outcome. For patients receiving at least 1 allele-level 2/6 to 4/6 HLA–matched UCB unit, matching at HLA-C reduces nonrelapse mortality and improves survival. 相似文献
5.
Hodi FS Soiffer RJ Clark J Finkelstein DM Haluska FG 《American journal of clinical oncology》2002,25(3):283-286
Conventional chemotherapy in the treatment of malignant melanoma has been disappointingly ineffective. Although the most active single agent is dacarbazine, numerous trials support the activity of platinum analogs against melanoma. Several recent trials also demonstrate the single-agent activity of paclitaxel, and support the administration of these agents together in the treatment of a number of solid tumors. We conducted a phase II study treating patients with metastatic melanoma with paclitaxel as a 3-hour infusion of 175 mg/m2, and carboplatin dosed to yield an area under the curve of 7.5 administered during 30 minutes. Patients were previously untreated or treated once with a regimen not including a platinum or taxane agent and had a performance status of 0 or 1. Seventeen patients (8 males; 9 females; average age 51) were enrolled. Thirty-three percent of patients had disease involving the skin, 40% lungs, 33% lymph nodes, 26% liver, and 13% other visceral organs. Anaphylactic reactions developed in two patients associated with paclitaxel infusion, and the patients were subsequently taken off the study. Of the 15 remaining patients, 3 (20%) had partial responses, 7 (47%) had stable disease, and 5 (33%) showed evidence of progressive disease. Eleven patients experienced grade III or IV hematologic toxicity. All treatment-related toxicities were reversible. There were no treatment-related deaths. The combination of paclitaxel and carboplatin has moderate activity against malignant melanoma, with expected reversible hematologic toxicities. Although not prospectively compared with single agents, the combination of paclitaxel and carboplatin may be a treatment option for some patients. Comparisons with other treatment regimens and the search for additional active compounds against melanoma are needed. 相似文献
6.
L H Sehn E P Alyea E Weller C Canning S Lee J Ritz J H Antin R J Soiffer 《Journal of clinical oncology》1999,17(2):561-568
PURPOSE: Donor lymphocyte infusion (DLI) can restore complete remission in patients with chronic myelogenous leukemia (CML) who have relapsed after T-cell-depleted (TCD) allogeneic bone marrow transplantation (BMT). The existence of salvage treatment for patients with DLI after TCD allogeneic BMT prompted an evaluation of overall outcome after CD6+ -TCD allogeneic BMT for patients treated during the time when DLI has been available. PATIENTS AND METHODS: We performed a retrospective analysis of outcomes of 46 patients who underwent TCD allogeneic BMT for stable-phase CML and compared these outcomes with those of 40 patients who underwent non-TCD allogeneic BMT. All subjects were patients at one of two neighboring institutions during a period when DLI was available. All patients received marrow from HLA-identical sibling donors, underwent similar myeloablative regimens, and had similar pretreatment characteristics. RESULTS: After BMT, the TCD group had a lower incidence of grade 2 to 4 acute (15% v 37%, P = .026) and chronic graft-versus-host disease (GVHD) (18% v 42%, P = .024) than did the non-TCD group. The 1-year treatment-related mortality rates for the TCD group and the non-TCD group were 13% and 29%, respectively (P = .07). The estimated 3-year probability of relapse (cytogenetic or hematologic) was higher for patients in the TCD group than for patients in the non-TCD group (62% v 24%, P = .0003). Twenty-three patients (20 in the TCD group and three in the non-TCD group) received and were assessable for response to DLI. After DLI, 17 of 20 patients in the TCD group and two of three patients in the non-TCD group achieved complete remission. Donor lymphocyte infusion induced GVHD in nine of 23 patients. Thirty (65%) of 46 patients in the TCD group and 27 (69%) of 39 assessable patients in the non-TCD group remained alive without evidence of disease. The estimated 3-year overall survival rates were similar for the TCD group and the non-TCD group (72% v 68%, respectively; P = .38). At last follow-up, there was no difference in the overall prevalence of GVHD or the proportion of patients requiring immunosuppressive agents between groups. CONCLUSION: These results suggest that the combination of T-cell depletion and post-BMT DLI is a viable treatment option for patients undergoing allogeneic BMT for CML and should be prospectively compared with traditional forms of GVHD prophylaxis. 相似文献
7.
Extended continuous infusion low-dose recombinant interleukin-2 in advanced cancer: prolonged immunomodulation without significant toxicity 总被引:8,自引:0,他引:8
M A Caligiuri C Murray R J Soiffer T R Klumpp M Seiden K Cochran C Cameron C Ish L Buchanan D Perillo 《Journal of clinical oncology》1991,9(12):2110-2119
In previous clinical trials, recombinant interleukin-2 (rIL-2) has been infused at high doses over short periods of time to generate lymphokine-activated killer (LAK) cells in vivo. These trials have been limited by severe toxicities, and the immunologic effects of rIL-2 have been transient. The present study was designed to assess the toxicity and immunologic effects of prolonged administration of low doses of rIL-2. In this phase I study, patients with advanced cancer were scheduled to receive intravenous (IV) infusion of rIL-2 without interruption for 3 months in an outpatient setting. Twenty-one patients received rIL-2 at doses ranging from 0.5 x 10(5) to 6.0 x 10(5) U/m2/d. Treatment was extremely well tolerated, and no patient experienced grade 3 or grade 4 toxicity. The lowest dose level (0.5 x 10(5) U/m2/d) did not have demonstrable immunologic activity. At doses of 1.5 x 10(5) and 4.5 x 10(5) U/m2/d, rIL-2 infusion resulted in the specific expansion of natural-killer (NK) cells (sixfold and ninefold increases, respectively, at these two dose levels) without any changes in B cells, T cells, neutrophils, or monocytes. Grade 2 toxicity was observed at the dose of 6.0 x 10(5) U/m2/d, as three patients required interruption of therapy and two patients who completed therapy developed transient hypothyroidism. In patients with increased NK cells, enhancement of non-major histocompatibility complex (MHC)-restricted cytotoxicity and increased generation of LAK cells in vitro were also demonstrated. Therapy with low-dose rIL-2 can be given safely in an uninterrupted fashion for prolonged periods of time in an outpatient setting. This results in selective expansion of NK cells in vivo with minimal toxicity. Further investigation of this schedule for immunomodulation in vivo should be pursued in phase II studies of both malignant and immunodeficient disease states. 相似文献
8.
Zorn E Miklos DB Floyd BH Mattes-Ritz A Guo L Soiffer RJ Antin JH Ritz J 《The Journal of experimental medicine》2004,199(8):1133-1142
We examined the immune response to DBY, a model H-Y minor histocompatibility antigen (mHA) in a male patient with chronic graft-versus-host disease (GVHD) after allogeneic hematopoietic stem cell transplant from a human histocompatibility leukocyte antigen (HLA)-identical female sibling. Patient peripheral blood mononuclear cells were screened for reactivity against a panel of 93 peptides representing the entire amino acid sequence of DBY. This epitope screen revealed a high frequency CD4(+) T cell response to a single DBY peptide that persisted from 8 to 21 mo after transplant. A CD4(+) T cell clone displaying the same reactivity was established from posttransplant patient cells and used to characterize the T cell epitope as a 19-mer peptide starting at position 30 in the DBY sequence and restricted by HLA-DRB1*1501. Remarkably, the corresponding X homologue peptide was also recognized by donor T cells. Moreover, the T cell clone responded equally to mature HLA-DRB1*1501 male and female dendritic cells, indicating that both DBY and DBX peptides were endogenously processed. After transplant, the patient also developed antibodies that were specific for recombinant DBY protein and did not react with DBX. This antibody response was mapped to two DBY peptides beginning at positions 118 and 536. Corresponding DBX peptides were not recognized. These studies provide the first demonstration of a coordinated B and T cell immune response to an H-Y antigen after allogeneic transplant. The specificity for recipient male cells was mediated by the B cell response and not by donor T cells. This dual DBX/DBY antigen is the first mHA to be identified in the context of chronic GVHD. 相似文献
9.
10.
Sirolimus,tacrolimus, and low-dose methotrexate for graft-versus-host disease prophylaxis in mismatched related donor or unrelated donor transplantation 总被引:9,自引:2,他引:9 下载免费PDF全文
Antin JH Kim HT Cutler C Ho VT Lee SJ Miklos DB Hochberg EP Wu CJ Alyea EP Soiffer RJ 《Blood》2003,102(5):1601-1605
We studied the feasibility and activity of adding sirolimus to tacrolimus and low-dose methotrexate as graft-versus-host disease (GVHD) prophylaxis in recipients of alternative donor transplants. Forty-one patients with hematologic malignancies were conditioned with cyclophosphamide and total body irradiation. Marrow stem cells were from an HLA-A, -B, and -DR compatible, unrelated donor (n = 26, 68%), from a 5 of 6 antigen-matched unrelated donor (n = 8, 20%), or from a 5 of 6 antigen-matched family member (n = 5, 12%). Therapeutic serum levels of sirolimus were attained in most patients. All evaluable patients engrafted. An absolute neutrophil count of 500/microL was achieved on day +18 (range, 11-32 days). Sustained platelet counts of more than 20 000/ microL were attained on day +29 (range, 14-98 days). Grades 0-I acute GVHD occurred in 75% of patients. Grades II, III, and IV acute GVHD occurred in 13%, 8%, and 5%, respectively (total grades II-IV GVHD, 26%). Median survival is 366 days (95% CI 185, not estimable) and actuarial survival at 1 year is 52%. Oral sirolimus is tolerable, adequate blood levels are achievable, and there is a low rate of acute GVHD compared with historical data in this high-risk population. This novel agent is worthy of further study in allogeneic transplantation. 相似文献