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https://www.readbyqxmd.com/read/29137385/improved-outcome-of-haploidentical-transplantation-in-severe-aplastic-anemia-using-reduced-intensity-fludarabine-based-conditioning
#1
Wu Yamei, Luo Rongmu, Cao Yongbin, Si Yingjian, Li Xiaohong, Zhang Xiaomei, Yan Pei, Du Zhenlan, Wang Haitao, Wang Jing, Wang Bojing, Wu Xiaoxiong, Da Wanming
Significant improvements in hematopoietic stem cell transplantation (HSCT) with haploidentical family donors (HFD) have confirmed its therapeutic role in severe aplastic anemia (SAA) and led to the evolution of treatment algorithms. However, the optimal conditioning regimen for HFD-HSCT remains undefined, especially the dosage of cyclophosphamide (Cy). A total of 77 patients with SAA from two research centers, who received HFD-HSCT with reduced-intensity fludarabine + cyclophosphamide + thymoglobulin ± busulfan conditioning regimen plus third-party cells infusion were included in this study, of which 67 pairs had 4-5 loci mismatched...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29126906/development-and-characterization-of-an-organic-solvent-free-proliposomal-formulation-of-busulfan-using-quality-by-design-approach
#2
Dhawal Chobisa, Ketan Patel, Jasmin Monpara, Mayank Patel, Pradeep Vavia
Parenteral administration of Busulfan (BU) conquers the bioavailability and biovariability related issues of oral BU by maintaining the plasma drug concentration in therapeutic range with minimal fluctuations thereby significantly reducing the side effects. Busulfex(®) is the only commercially available parenteral formulation of BU composed of organic solvents N, N-dimethylacetamide and polyethylene glycol 400. Since, BU is highly susceptible to hydrolytic degradation; Busulfex(®) has poor physical and chemical stability in IV fluids...
November 7, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29118046/stability-of-busulfan-solutions-in-polypropylene-syringes-and-infusion-bags-as-determined-with-an-original-assay
#3
Nicolas Guichard, Pascal Bonnabry, Serge Rudaz, Sandrine Fleury-Souverain
PURPOSE: The stability of busulfan solution in 0.9% sodium chloride and stored in polypropylene syringes or infusion bags was evaluated. METHODS: Busulfan solutions (0.54 mg/mL) were prepared and transferred to 50-mL polypropylene syringes and 100- and 500-mL polypropylene infusion bags and stored at 2-8 and 23-27 °C. Chemical stability was measured using a stability-indicating, ultrahigh performance liquid chromatography coupled to mass spectrometry method. The stability of busulfan was assessed by measuring the percentage of the initial concentration remaining at the end of each time point of analysis...
November 15, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/29101242/busulfan-administration-produces-toxic-effects-on-epididymal-morphology-and-inhibits-the-expression-of-zo-1-and-vimentin-in-the-mouse-epididymis
#4
Fang Fang, Ke Ni, Yiting Cai, Qian Zhao, Jin Shang, Xiaoke Zhang, Shiliang Shen, Chengliang Xiong
Busulfan is an alkane sulfonate currently used as an anticancer drug and to prepare azoospermic animal models, because it selectively destroys differentiated spermatogonia in the testes. However, few studies have focused on the exact effects of busulfan treatment on the epididymis currently. This study assessed the effect of busulfan on epididymal morphology and the blood-epididymis barrier in mice. We treated mice with a single injection of busulfan and detected the effect at different time points. We showed that busulfan was toxic to the morphological structure and function of the epididymis...
November 3, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29084202/role-of-thymoglobulin-in-matched-sibling-allogeneic-hematopoietic-stem-cell-transplantation-with-busulfan-and-fludarabine-conditioning-in-myeloid-malignanicies
#5
D-Y Shin, J-H Lee, S Park, J-O Lee, J-H Moon, J-S Ahn, Y Choi, I-C Song, H-J Shin, W S Lee, H S Lee, S-S Yoon
In vivo T-cell depletion using anti-thymocyte globulin (ATG) is widely used in allogeneic hematopoietic stem cell transplantation (HSCT) for prophylaxis of GvHD. We investigated the influence of thymoglobulin dose (an ATG) on GvHD following matched sibling donor (MSD) HSCT with a busulfan and fludarabine preparative regimen. Medical records of 180 patients who received MSD HSCT with a conditioning regimen of busulfan, fludarabine, and ATG (BuFluATG) were reviewed retrospectively. The median age was 53 years (range 18-68)...
October 30, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29077206/population-pharmacokinetics-of-intravenous-busulfan-in-japanese-pediatric-patients-with-primary-immunodeficiency-diseases
#6
Yasuyoshi Ishiwata, Masashi Nagata, Kohta Tsuge, Hiromitsu Takahashi, Sayo Suzuki, Kohsuke Imai, Masatoshi Takagi, Hirokazu Kanegane, Tomohiro Morio, Masato Yasuhara
No abstract text is available yet for this article.
October 27, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29061531/outcomes-of-unrelated-donor-stem-cell-transplant-with-post-transplant-cyclophosphamide-for-graft-versus-host-disease-prophylaxis-in-patients-with-severe-sickle-cell-disease
#7
Hemalatha G Rangarajan, Rolla Abu-Arja, Vinita Pai, Gregory M T Guilcher, Sandeep Soni
Unrelated donor (URD) hematopoietic cell transplants (HCT) in children with sickle cell disease (SCD) is associated with a high incidence of rejection and graft versus host disease. We report on first four patients with severe SCD who underwent URD HCT using a novel myeloablative and immunosuppressive regimen comprising of busulfan, fludarabine and anti-thymocyte globulin with a single dose of post-transplant cyclophosphamide along with tacrolimus and mycophenolate mofetil for graft versus host disease prophylaxis...
October 20, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29051024/busulfan-dependent-hepatotoxicity-of-antithymocyte-globulin-formulations-during-conditioning-for-hematopoietic-stem-cell-transplantation
#8
Walter J F M van der Velden, Esther C de Weerd-de Jong, Anton F J de Haan, Nicole M A Blijlevens
No abstract text is available yet for this article.
October 16, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29046703/dose-dependent-effects-of-busulfan-on-dog-testes-in-preparation-for-spermatogonial-stem-cell-transplantation
#9
Tai-Young Hur, Seung-Hoon Lee, Sun-A Ock, Hyuk Song, Hyun-Jung Park, Ran Lee, Si-Heung Sung, Hyunjhung Jhun, Won-Young Lee
Successful male germ cell transplantation requires depletion of the host germ cells to allow efficient colonization of the donor spermatogonial stem cells. Although a sterilizing drug, busulfan, is commonly used for the preparation of recipient models before transplantation, the optimal dose of this drug has not yet been defined in dogs. In this study, 1-year-old mongrel dogs were intravenously injected with three different concentrations of busulfan (10, 15, or 17.5 mg/kg). Four weeks after busulfan treatment, no fully matured spermatozoa were detected in any of the busulfan-treated groups...
September 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/29044971/drug-nanocrystals-for-cancer-therapy
#10
REVIEW
Xiaoqing Miao, Wuwei Yang, Tao Feng, Jing Lin, Peng Huang
Drug nanocrystals (NCs) with fascinating physicochemical properties have attracted great attention in drug delivery. High drug-loading efficiency, great structural stability, steady dissolution, and long circulation time are a few examples of these properties, which makes drug NCs an excellent formulation for efficient cancer therapy. In the last two decades, there are a lot of hydrophobic or lipophilic drugs, such as paclitaxel (PTX), camptothecin (CPT), thymectacin, busulfan, cyclosporin A, 2-devinyl-2-(1-hexyloxyethyl) pyropheophorbide (HPPH), and so on, which have been formulated into drug NCs for cancer therapy...
October 17, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/29035392/long-term-outcome-of-mixed-chimerism-after-stem-cell-transplantation-for-thalassemia-major-conditioned-with-busulfan-and-cyclophosphamide
#11
N A Fouzia, E S Edison, K M Lakshmi, A Korula, S R Velayudhan, P Balasubramanian, A Abraham, A Viswabandya, B George, V Mathews, A Srivastava
Mixed chimerism (MC) occurs frequently after allogeneic hematopoietic stem cell transplantation (HSCT) for thalassemia major (TM) and may be associated with rejection. We report the outcome of MC in 132 TM patients conditioned with Busulphan/Cyclophosphamide, who had successful engraftment and had ⩾1 year follow-up. Chimerism was first assessed at day +28, then every 3-9 months or more frequently if there was MC. If rejection was suspected, immunosuppression was stopped and donor-lymphocyte infusion (DLI) was given if there was no response...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29032272/fludarabine-and-busulfan-versus-fludarabine-cyclophosphamide-and-rituximab-as-reduced-intensity-conditioning-for-allogeneic-transplantation-in-follicular-lymphoma
#12
Narendranath Epperla, Kwang Woo Ahn, Philippe Armand, Samantha Jaglowski, Sairah Ahmed, Vaishalee P Kenkre, Bipin Savani, Madan Jagasia, Nirav N Shah, Timothy S Fenske, Ana Sureda, Sonali M Smith, Mehdi Hamadani
Large, multicenter studies comparing commonly used reduced-intensity conditioning (RIC) approaches in follicular lymphoma (FL) have not been performed. Using the Center for International Blood and Marrow Transplant Research database, we report the outcomes of the 2 most commonly used RIC approaches, fludarabine and busulfan (Flu/Bu) versus fludarabine, cyclophosphamide, and rituximab (FCR) in FL patients. We evaluated 200 FL patients undergoing allogeneic hematopoietic cell transplantation (allo-HCT) who received RIC with either Flu/Bu (n = 98) or FCR (n = 102) during 2008 to 2014...
October 13, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29032269/second-hematopoietic-stem-cell-transplant-for-thalassemia-major-improved-clinical-outcomes-with-a-treosulfan-based-conditioning-regimen
#13
Anu Korula, Nisham Pn, Anup Devasia, Kavitha M Lakshmi, Aby Abraham, Eunice Sindhuvi, Biju George, Alok Srivastava, Vikram Mathews
Graft rejection (GR) after allogeneic stem cell transplantation (allo-SCT) occurs in 10% to 20% of patients with β-thalassemia major (TM). There are limited data on the clinical profile and long-term outcome of patients who have had a GR. We undertook a retrospective analysis of patients who had a graft failure after allo-SCT for TM at our center. From October 1991 to June 2016, 55 of 506 patients (11%) transplanted for TM had a graft failure. An additional 7 patients with graft failure after allo-SCT done at other centers were referred to us for a second transplant...
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29032061/toward-individualizing-conditioning-regimens-in-reduced-intensity-transplantation
#14
Moussab Damlaj, Mrinal M Patnaik
No abstract text is available yet for this article.
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28987797/investigating-the-site-selective-binding-of-busulfan-to-human-serum-albumin-biophysical-and-molecular-docking-approaches
#15
Mohammad Siddiqi, Saima Nusrat, Parvez Alam, Sadia Malik, Sumit Kumar Chaturvedi, Mohammad Rehan Ajmal, Ali Saber Abdelhameed, Rizwan Hasan Khan
We have studied the binding of busulfan (BN) to human serum albumin (HSA) at physiological pH 7.4 by using fluorescence, UV-vis and circular dichroism (CD) spectroscopic tools, as well as dynamic light scattering (DLS) measurements and molecular simulation approaches. HSA fluorescence quenching experiments showed that BN reduces the HSA native fluorescence intensity through the static mechanism. In addition, a single binding site on the HSA is occupied by BN with a binding constant at 298K of 1.84×10(3)M(-1)...
October 5, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28984258/hepatic-sinusoidal-obstruction-syndrome-and-busulfan-induced-lung-injury-in-a-post-autologous-stem-cell-transplant-recipient
#16
Richa Jain, Kirti Gupta, Anmol Bhatia, Arun Bansal, Deepak Bansal
Veno-occlusive disease of the liver is mostly encountered as a complication of hematopoietic stem cell transplantation with myeloablative regimens with an incidence estimated to be 13.7%. It is clinically characterized by tender hepatomegaly, jaundice, weight gain and ascites. Strong clinical suspicion and an early recognition of clinical signs are essential to establish the diagnosis and institute effective regimen. Another complication of cytotoxic drugs given for cancers, is development of busulfan-induced lung injury...
September 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28978857/hla-haploidentical-transplantation-with-post-transplant-cyclophosphamide
#17
Junichi Sugita
Recently, post-transplant cyclophosphamide (PTCy) -based HLA-haploidentical stem cell transplantation (PTCy-haploSCT) has been increasingly performed. The mechanism of GVHD prevention by PTCy is selective depletion of proliferating alloreactive T cells, while preserving non-alloreactive T cells. Several studies have reported that the incidence of non-relapse mortality, relapse, disease-free survival, and overall survival after PTCy-haploSCT are equivalent to those after HLA-matched SCT. Furthermore, the incidence of GVHD, especially chronic GVHD, after PTCy-haploSCT was lower than that of HLA-matched SCT...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28975382/population-pharmacokinetics-of-treosulfan-and-development-of-a-limited-sampling-strategy-in-children-prior-to-hematopoietic-stem-cell-transplantation
#18
Dorota Danielak, Jadwiga Twardosz, Anna Kasprzyk, Jacek Wachowiak, Krzysztof Kałwak, Franciszek Główka
PURPOSE: There is an increasing interest in use of treosulfan (TREO), a structural analogue of busulfan, as an agent in conditioning regimens prior to hematopoietic stem cell transplantation (HSCT), both in pediatric and adult populations. The aim of this study was to develop a population pharmacokinetic model and to establish limited sampling strategies (LSSs) enabling accurate estimation of exposure to this drug. METHODS: The study included 15 pediatric patients with malignant and non-malignant diseases, undergoing conditioning regimens prior to HSCT including TREO administered as a 1 h or 2 h infusion at daily doses of 10, 12, or 14 g/m(2)...
October 3, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28967642/comparison-of-various-tissue-and-cell-therapy-approaches-when-restoring-ovarian-hepatic-and-kidney-s-function-after-chemotherapy-induced-ovarian-failure
#19
M M Kozub, V Y Prokopiuk, K P Skibina, O V Prokopiuk, N I Kozub
About 1% of women suffer from premature ovarian failure, which leads to a significant deterioration in the life quality. Most often this condition is caused by performed chemotherapy, autoimmune diseases, surgery performed on ovaries, uterus, or fallopian tubes. The aim of this study was to compare different approaches of tissue and cell therapy in restoring the sexual function in case of ovarian failure induced by chemotherapy. MATERIALS AND METHODS: The study was carried out in BALB/c mice with the modeled ovarian failure, induced by cyclophosphamide and busulfan...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28962166/depletion-of-endogenous-germ-cells-in-tree-shrews-in-preparation-for-spermatogonial-transplantation
#20
Tingting Liu, Ying Guo, Lanzhen Yan, Bin Sun, Ping Zheng, Xudong Zhao
To achieve successful spermatogonial transplantation, endogenous germ cells must be depleted in recipient animals to allow donor germ cells to colonize efficiently. Busulfan is commonly used for the depletion of endogenous germ cells in recipient males. However, the optimal dose of busulfan is species-specific, and the optimal dose in tree shrews is yet to be determined. The current study aimed to determine the optimal dose of busulfan for effective suppression of endogenous spermatogenesis in tree shrews. Different doses (15, 20, 25, 30, 35, 40 and 45 mg/kg) of busulfan were injected into tree shrews intraperitoneally...
September 2017: Experimental and Therapeutic Medicine
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