Conditioning Regimens for Hematopoietic Cell Transplantation in Primary Immunodeficiency

This article reviews the latest developments in conditioning regimens for primary immunodeficiency (PID). It focuses on data regarding transplant outcomes according to newer reduced toxicity conditioning regimens used in HCT for PID.Recent FindingsConventional myeloablative conditioning regimens are associated with significant acute toxicities, transplant-related mortality, and late effects such as infertility. Reduced toxicity conditioning regimens have had significant positive impacts on HCT outcome, and there are now well-established strategies in children with PID. Treosulfan has emerged as a promising preparative agent. Use of a peripheral stem cell source has been shown to be associated with better donor chimerism in patients receiving reduced toxicity conditioning. Minimal conditioning regimens using monoclonal antibodies are in clinical trials with promising results thus far.SummaryReduced toxicity conditioning has emerged as standard of care for PID and has resulted in improved transplant survival for patients with significant comorbidities.
Source: Current Allergy and Asthma Reports - Category: Allergy & Immunology Source Type: research

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Publication date: January 2020Source: The Annals of Thoracic Surgery, Volume 109, Issue 1Author(s): Muhammad Aftab, T. Brett Reece, Lars G. Svensson
Source: The Annals of Thoracic Surgery - Category: Cardiovascular & Thoracic Surgery Source Type: research
ConclusionsSarcopenia is prevalent in LTx patients. Neither sarcopenia nor 6MWD predicted mortality or short-term outcomes after LTx. This is in contrast to albumin levels, which were inversely associated with survival and complications. Albumin shows promise as an important predictor of mortality and short-term outcomes after LTx.
Source: The Annals of Thoracic Surgery - Category: Cardiovascular & Thoracic Surgery Source Type: research
This study examined whether LVAD exchanges affect posttransplantation outcomes.MethodsThis study focused on adult patients in the Organ Procurement and Transplantation Network database who were bridged to transplant with a LVAD implanted between 2007 and 2017. Patients who underwent LVAD exchange were compared with those supported with a single device. The primary end point was all-cause mortality at 1, 2, and 5 years after transplantation. The impact of device exchange on risk-adjusted outcomes was examined using Cox proportional hazards models.ResultsAmong 8239 patients who met the inclusion criteria, there were 611 pump...
Source: The Annals of Thoracic Surgery - Category: Cardiovascular & Thoracic Surgery Source Type: research
Conclusions: The in vitro study revealed that the duration of hypoxia is crucial for osteogenic differentiation of precursor cells. The results from both the in vitro and in vivo studies show the role of STAT3 signaling in hypoxia-induced osteogenic differentiation of precursor cells and bone defect healing. PMID: 31827540 [PubMed - in process]
Source: Cellular and Molecular Biology Letters - Category: Biochemistry Authors: Tags: Cell Mol Biol Lett Source Type: research
Publication date: Available online 13 December 2019Source: Carbohydrate PolymersAuthor(s): Christian Viezzer, Rafael Mazzuca, Denise Cantarelli Machado, Maria Madalena de Camargo Forte, José Luis Gómez RibellesAbstractFoot ulcers, a common complication of diabetes, can cause physical incapacity and are derived from several factors, including poor wound healing. New therapeutic strategies are needed to minimize this complication for the sake of patients’ health. We therefore developed a new chitosan- polyurethane hydrogel membrane (HPUC) and the test results confirmed that HPUC present low cytotoxicity a...
Source: Carbohydrate Polymers - Category: Biomedical Science Source Type: research
Publication date: 14 December 2019Source: New Scientist, Volume 244, Issue 3260Author(s): Michael Le PageExperiment suggests it may not be feasible to grow transplant organs in animals
Source: New Scientist - Category: Science Source Type: research
Authors: Abad CL, Razonable RR Abstract INTRODUCTION: Tuberculosis (TB) in solid organ transplant (SOT) recipients is associated with significant morbidity and mortality. Its management in transplant recipients is difficult and highly complex, given the underlying immunosuppression and the risks of drug-drug interactions imposed by immunosuppressive drugs that are needed to maintain the transplant allograft.Areas covered: We provide a brief review of TB in SOT, and discuss the clinical indications, mechanisms of action and drug resistance, drug-drug interactions, and adverse effects of anti-TB drugs. We provide a s...
Source: Expert Review of Anti-Infective Therapy - Category: Infectious Diseases Tags: Expert Rev Anti Infect Ther Source Type: research
CONCLUSION: Introduction of DMEK in a single center can be implemented in a relatively short period of time, becoming the most popular surgical procedure in corneal transplantation. A possible factor encouraging this change is the availability of eye bank-delivered precut tissue, and standardization of donor preparation and host surgical steps, optimizing surgical time in the operating room. This trend should lead to better visual outcomes, faster recovery times, and eventually to a higher surgical volume per year. PMID: 31831273 [PubMed - as supplied by publisher]
Source: Journal Francais d Ophtalmologie - Category: Opthalmology Tags: J Fr Ophtalmol Source Type: research
Purpose Left ventricular assist devices (LVAD) are associated with an increased aerobic capacity in patients with chronic heart failure (CHF). However, studies evaluating the impact of LVAD implantation on physical activity (PA) are lacking. The aim of this study was to compare daily PA levels in participants with LVAD with well-matched CHF participants. Methods Sixteen participants with an LVAD (age, 59.1 ± 10.8 yr) were case-matched to 16 participants with advanced CHF (age, 58.3 ± 8.7 yr), who were listed or being considered for cardiac transplantation. Participants underwent a cardiopulmonary exercis...
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: CLINICAL SCIENCES Source Type: research
CONCLUSIONS: If a patient with a history of CL wear for an extended period of time presents with decreased visual acuity, practitioners should perform detailed examinations with suspicion of CL-LSCD, including fluorescein staining. CL-LSCD is usually reversible and close follow-up with conservative treatment is recommended as the initial treatment option. PMID: 31833246 [PubMed - in process]
Source: Korean Journal of Ophthalmology : KJO - Category: Opthalmology Tags: Korean J Ophthalmol Source Type: research
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