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https://www.readbyqxmd.com/read/28092916/differences-in-peripheral-blood-lymphocytes-between-brand-name-and-generic-tacrolimus-treated-in-stable-liver-transplant-recipients
#1
Jong Man Kim, Choon Hyuck David Kwon, Jae-Won Joh, Dong Hyun Sinn, Gyu-Seong Choi, Jae Berm Park, Eun-Suk Kang, Suk-Koo Lee
No abstract text is available yet for this article.
January 9, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28089110/recurrence-after-management-of-meatal-balanitis-xerotica-obliterans
#2
Warren Snodgrass, Juan Soto Blanquel, Nicol Corbin Bush
INTRODUCTION: We review outcomes after management of meatal balanitis xerotica obliterans (BXO). The primary outcome was recurrent meatal BXO. METHODS: A database comprising mostly hypospadias patients was queried for meatal BXO. The disease was confirmed histologically in all cases. Management included topical steroids and/or immunosuppressants, and/or surgical excision of BXO with two-stage oral mucosa graft circumferential replacement urethroplasty. RESULTS: A total of 12 patients had meatal BXO (8 boys and 4 adults)...
November 23, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28086881/dengue-fever-in-renal-transplant-patients-a-systematic-review-of-literature
#3
Ranga Migara Weerakkody, Jean Ansbel Patrick, Mohammed Hussain Rezvi Sheriff
BACKGROUND: Dengue fever in renal transplanted patients has not been studied well, and we review all the literature about episodes dengue fever in renal transplant patients. METHODS: The aim was to describe clinico-pathological characteristics, immunosuppressive protocols, need renal outcome and mortality. PubMed, LILACS, Google Scholar and Research Gate were searched for "Dengue" and "Renal/Kidney Transplantation" with no date limits. Hits were analyzed by two researchers separately...
January 13, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28081041/a-systematic-literature-review-approach-to-estimate-the-therapeutic-index-of-selected-immunosuppressant-drugs-after-renal-transplantation
#4
Jessica E Ericson, Kanecia O Zimmerman, Daniel Gonzalez, Chiara Melloni, Jeffrey T Guptill, Kevin D Hill, Huali Wu, Michael Cohen-Wolkowiez
BACKGROUND: Drugs that exhibit close margins between therapeutic and toxic blood concentrations are considered to have a narrow therapeutic index (NTI). The Food and Drug Administration has proposed that NTI drugs should have more stringent bioequivalence standards for approval of generic formulations. However, many immunosuppressant drugs do not have a well-defined therapeutic index (TI). METHODS: We sought to determine whether safety, efficacy, and pharmacokinetic data obtained from the medical literature through a comprehensive literature search could be used to estimate the TI of cyclosporine, tacrolimus, and sirolimus...
February 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28079558/once-daily-tacrolimus-in-liver-transplantation-a-me-too-drug-or-a-therapeutic-advantage
#5
Pavel Trunečka
PURPOSE OF REVIEW: To provide latest information on differences between standard tacrolimus (TAC BID) and slow-released formulation of tacrolimus (Advagraf) in liver transplantation (LTx), and to discuss the latter's therapeutic value as a distinct entity. RECENT FINDINGS: Two articles on de-novo studies, several on conversion and one on survival analysis from the European Liver Transplant Registry published recently showed that low-dose Advagraf immediately after transplantation provided same protection to the kidney as standard dose delayed until day 5, and was associated with lower rejection rate; to maintain the same trough level after late conversion to Advagraf, an approximately 1...
January 11, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28079516/adequate-exposure-to-tacrolimus-with-sublingual-administration-in-pediatric-liver-transplant-patients
#6
Natalia Riva, María E Galván, Paulo Cáceres-Guido, Marcelo Dip, Nieves Licciardone, Oscar Imventarza, Paula Schaiquevich, Daniel Buamscha
No abstract text is available yet for this article.
January 12, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28077266/asp0028-in-combination-with-suboptimal-dose-of-tacrolimus-in-cynomolgus-monkey-renal-transplantation-model
#7
Hao Dun, Lijun Song, Anlun Ma, Yanxin Hu, Lin Zeng, Jieying Bai, Guangzhou Zhang, Liangyan Zhang, Kumi Koide, Yohei Okada, Kaori Hanaoka, Rie Yamamoto, Jun Hirose, Tatsuaki Morokata, Pierre Daloze, Huifang Chen
FTY720, a S1P-receptor modulator, has shown to be effective in several transplant and autoimmune disease models, via modulating lymphocyte homing into secondary lymphoid organs (SLOs), and thereby reducing these cells in peripheral blood. ASP0028, a newly developed S1P1/S1P5-selective agonist, presented comparable efficacy to FTY720 and wider safety margins than FTY720. In this study, we assessed the efficacy and safety of ASP0028 co-administered with suboptimal-dose of tacrolimus in the Cynomolgus monkey renal transplantation model...
January 7, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28070711/immune-suppression-during-preclinical-drug-development-mitigates-immunogenicity-mediated-impact-on-therapeutic-exposure
#8
Jonathan Herskovitz, Josiah Ryman, Theingi Thway, Stephanie Lee, Lei Zhou, Narendra Chirmule, Bernd Meibohm, Vibha Jawa
In the clinical setting, anti-drug antibodies (ADA) against biotherapeutics can influence patient safety and interfere with product efficacy. High immunogenicity has been addressed in clinic by concomitant immune suppression, such as co-administration of methotrexate with enzyme replacement therapy (ERT) and combination tacrolimus/sirolimus treatment for prophylaxis against organ transplant rejection. This study investigates the use of such immune suppressants in mitigating ADA responses to a fully human monoclonal antibody (mAb1) in preclinical animal studies...
January 9, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28069324/differences-in-therapeutic-effects-of-topically-applied-corticosteroid-and-tacrolimus-on-atopic-dermatitis-like-symptoms-in-nc-nga-mice
#9
Atsushi Noguchi, Mitsutoshi Tominaga, Nobuaki Takahashi, Hironori Matsuda, Yayoi Kamata, Yoshie Umehara, Kyi Chan Ko, Yasushi Suga, Hideoki Ogawa, Kenji Takamori
BACKGROUND: Topical corticosteroid and calcineurin inhibitor have similar therapeutic benefits in atopic dermatitis (AD), but the differences in therapeutic mechanisms of action of these agents against AD symptoms are not fully understood. OBJECTIVE: This study was performed to examine the different effects of topical betamethasone valerate (BMV), clobetasol propionate (CBP), and tacrolimus (TAC) on itch-related behavior and dermatitis in NC/Nga mice with AD-like symptoms...
December 24, 2016: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28067989/tacrolimus-interaction-with-nafcillin-resulting-in-significant-decreases-in-tacrolimus-concentrations-a-case-report
#10
Minkey Wungwattana, Marizela Savic
Tacrolimus (TAC) is subject to many drug interactions as a result of its metabolism primarily via CYP450 isoenzyme 3A4. Numerous case reports of TAC and CYP3A4 inducers and inhibitors have been described including antimicrobials, calcium channel antagonists, and antiepileptic drugs. We present the case of a 13-year-old patient with cystic fibrosis and a history of liver transplantation, where subtherapeutic TAC concentrations were suspected to be a result of concomitant TAC and nafcillin (NAF) therapy. The observed drug interaction occurred on two separate hospital admissions, during both of which the patient exhibited therapeutic TAC concentrations prior to exposure to NAF, a CYP3A4 inducer...
January 9, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28065442/tacrolimus-eluting-suture-inhibits-neointimal-hyperplasia-an-experimental-in-vivo-study-in-rats
#11
K Ak, E Ak, O Dericioglu, T Canak, J Akbuga, N Ozkan, S Cetinel, S Isbir, S Arsan, A Cobanoglu
OBJECTIVE/BACKGROUND: Neointimal hyperplasia (NIH) remains one of the leading causes of graft failure after vascular anastomoses. Cytotoxic drugs, such as rapamycin and tacrolimus, have been shown to inhibit the development of NIH. In this study, the aim was to test the impact of a sustained releasing tacrolimus-chitosan-eluting suture on the development of NIH in a rat model. METHODS: After tacrolimus-chitosan coating of a 7/0 polyvinylidene difluoride (PVDF) Trofilen(®) suture, the tacrolimus concentration on the coated suture and in vitro release trials were performed spectrophotometrically...
January 4, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28063945/calcineurin-inhibitors-improve-memory-loss-and-neuropathological-changes-in-mouse-model-of-dementia
#12
Amit Kumar, Nirmal Singh
AIM: The present study was designed to investigate the potential of Cyclosporine (CsA) and Tacrolimus, the inhibitors of calcineurin (CaN) in cognitive deficits of mice. METHODS: Streptozotocin [STZ, 3mg/kg, injected intracerebroventricular (i.c.v.)] was used to induce memory deficits in NIH mice, while aged mice separately taken served as a natural model of dementia. Morris water maze (MWM) test was employed to evaluate learning and memory of the animals. A battery of biochemical and histopathological studies was also performed...
January 4, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28063333/development-and-validation-of-a-liquid-chromatography-mass-spectrometric-assay-for-simultaneous-determination-of-tacrolimus-and-13-o-desmethyl-tacrolimus-in-rat-kidney-tissue
#13
Tatian Kirresh, Sony Tuteja, D Russo, P D Brophy, D J Murry
A sensitive and robust LC-MS/MS method has been developed and validated to determine the concentrations of tacrolimus and its major metabolite 13-O-desmethyl tacrolimus (13-ODMT) in kidney tissue from rats who received tacrolimus intra-peritoneally at doses of 0.5mg/kg and 2mg/kg. The samples were prepared by a liquid-liquid extraction procedure using ethyl ether as the extraction solvent and ascomycin as the internal standard. Chromatographic separation was achieved using Phenomenex Kinetex column (2.6μm C18 100Å, 100×2...
December 29, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28063089/the-natural-course-of-atopic-dermatitis-and-the-association-with-asthma
#14
Min Qiao, Deqi Xiao, Li Qian, Jian'ou Qiao
In this paper, we aimed to explore the potential mechanism underlying atopic dermatitis (AD) and its association with asthma. The BALB/c mice were randomly assigned to three groups, including the vehicle control (VD) group, the AD group, and the treatment (TR) group. The AD mice model was successfully constructed in the AD and TR group. The dermatitis severity scores and skin lesions were significantly increased in AD mice after DNCB application. Airway responsiveness in the AD group was significantly higher than in the TR group...
January 6, 2017: Inflammation
https://www.readbyqxmd.com/read/28060893/positioning-of-tacrolimus-for-the-treatment-of-diabetic-nephropathy-based-on-computational-network-analysis
#15
Constantin Aschauer, Paul Perco, Andreas Heinzel, Judith Sunzenauer, Rainer Oberbauer
OBJECTIVE: To evaluate tacrolimus as therapeutic option for diabetic nephropathy (DN) based on molecular profile and network-based molecular model comparisons. MATERIALS AND METHODS: We generated molecular models representing pathophysiological mechanisms of DN and tacrolimus mechanism of action (MoA) based on literature derived data and transcriptomics datasets. Shared enriched molecular pathways were identified based on both model datasets. A newly generated transcriptomics dataset studying the effect of tacrolimus on mesangial cells in vitro was added to identify mechanisms in DN pathophysiology...
2017: PloS One
https://www.readbyqxmd.com/read/28060025/antibody-mediated-rejection-what-is-the-clinical-relevance
#16
Rachel Hogen, Joseph DiNorcia, Kiran Dhanireddy
PURPOSE OF REVIEW: The review outlines the diagnosis, clinical implications, and treatment strategies for acute and chronic antibody-mediated rejection (AMR) after orthotopic liver transplantation (OLT). RECENT FINDINGS: A combination of clinical work-up, histopathology, C4d staining, and donor-specific antibody (DSA) should be used to diagnose AMR. The differential diagnosis for idiopathic fibrosis now includes chronic AMR. Characterization of pathogenic DSA continues to progress...
January 3, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28058220/tacrolimus-confers-lower-acute-rejection-rates-and-better-renal-allograft-survival-compared-to-cyclosporine
#17
Mahmoud Kamel, Manish Kadian, Titte Srinivas, David Taber, Maria Aurora Posadas Salas
AIM: To compare the impact of tacrolimus (FK) and cyclosporine (CYA) on acute rejection and graft survival and to assess the predominant causes of graft loss between patients receiving these two calcineurin inhibitors (CNIs). METHODS: Retrospective review of 1835 patients who received a kidney transplant (KTX) between 1999-2012. Patients were grouped based on initial CNI utilized: 1195 in FK group, 640 in CYA group. Data on baseline characteristics, clinical outcomes, and causes of graft loss in both groups were analyzed...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28056860/evaluating-tacrolimus-treatment-in-idiopathic-membranous-nephropathy-in-a-cohort-of-408-patients
#18
Hua-Zhang Qin, Lei Liu, Shao-Shan Liang, Jing-Song Shi, Chun-Xia Zheng, Qing Hou, Ying-Hui Lu, Wei-Bo Le
BACKGROUND: The KDIGO Clinical Practice Guidelines for Glomerulonephritis recommended tacrolimus as an alternative regimen for the initial therapy for Idiopathic membranous nephropathy (IMN), however, large observational studies evaluating tacrolimus treatment in IMN remains rare. METHODS: A total of 408 consecutive IMN patients with nephrotic syndrome who were treated with tacrolimus in Jinling Hospital were included. The effectiveness and safety of tacrolimus treatment in IMN were analyzed in this study...
January 5, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28056508/fk506-an-immunosuppressive-drug-induces-autophagy-by-binding-to-the-v-atpase-catalytic-subunit-a-in-neuronal-cells
#19
Dongyoung Kim, Hui-Yun Hwang, Jin Young Kim, Ju Yeon Lee, Jong Shin Yoo, György Marko-Varga, Ho Jeong Kwon
The drug FK506 (tacrolimus, fujimycin) exerts its immunosuppressive effects by regulating the nuclear factor of the activated T-cell (NFAT) family of transcription factors. However, FK506 also exhibits neuroprotective effects, but its direct target proteins that mediate these effects have not been determined. To identify the target proteins responsible for FK506's neuroprotective effects, the drug affinity responsive target stability (DARTS) method was performed using label-free FK506, and LC-MS/MS analysis of the FK506-treated proteome was also performed...
January 6, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28051798/%C3%A2-conversion-to-mycophenolate-mofetil-monotherapy-in-liver-recipients-calcineurin-inhibitor-levels-are-key
#20
Blanca Norero, Carolina A Serrano, Alberto Sanchez-Fueyo, Ignacio Duarte, Javiera Torres, Mauricio Ocquetau, Francisco Barrera, Marco Arrese, Alejandro Soza, Carlos Benítez
 The use of calcineurin inhibitors (CNI) after liver transplantation is associated with post-transplant nephrotoxicity. Conversion to mycophenolate mofetil (MMF) monotherapy improves renal function, but is related to graft rejection in some recipients. Our aim was to identify variables associated with rejection after conversion to MMF monotherapy. Conversion was attempted in 40 liver transplant recipients. Clinical variables were determined and peripheral mononuclear blood cells were immunophenotyped during a 12-month follow-up...
January 2017: Annals of Hepatology
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