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Prompt evaluation and genetic testing of patients who present with recurrent and recalcitrant warts, before onset of severe infection or myelodysplastic syndrome, leads to improved outcomes in patients with GATA2 deficiency.
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BACKGROUND: Febrile neutropenia is a common complication of conditioning chemotherapy for hematopoietic stem cell transplant (HSCT), but a major barrier for optimal treatment of febrile neutropenia is historical penicillin allergies. Our group recently published a development of a clinical pipeline for delabeling penicillin allergies in adult patients planned to undergo hematopoietic stem cell transplant (HSCT). In this retrospective cohort study, we followed patients to evaluate their outcomes during inpatient admission for HSCT. OBJECTIVES: We hypothesized that, among patients planned for HSCT with a self-reported penicillin allergy, completing penicillin allergy testing (amoxicillin ingestion challenge with or without concomitant penicillin skin testing) prior to HSCT admission would be associated with differences in inpatient treatment for febrile neutropenia (including antibiotic selection and timing of antibiotic administration) and improved inpatient resource utilization (including nursing and inpatient physician consults). STUDY DESIGN: We identified patients with a self-reported penicillin allergy who answered a penicillin allergy questionnaire and were subsequently admitted to our institution for HSCT. We divided the cohort into 2 groups: patients whose penicillin allergy was evaluated prior to admission (EPTA) and patients whose penicillin allergy was not evaluated prior to admission (NEPTA). We then performed comparison between the 2 groups for general clinical outcomes of HSCT admission (duration of admission, need for ICU transfer, readmission rate, etc.), febrile neutropenia treatment, and inpatient resource utilization. Statistics were calculated using the non-parametric two-tailed Fisher exact test for categorical outcomes and the non-parametric two-tailed Mann-Whitney U test for numerical outcomes RESULTS: Within our cohort, 35 patients completed penicillin allergy testing prior to HSCT admission (EPTA) and 44 patients did not (NEPTA). Demographics were similar between these groups, and there was no significant difference in the rate of febrile neutropenia during HSCT admission (EPTA 64% vs NEPTA 66%, p=1.00). EPTA patients were significantly more likely to receive standard first-line antibiotics (cefepime or ceftazidime) for febrile neutropenia (EPTA 95% vs NEPTA 65%, p=0.015) and time between febrile neutropenia onset and antibiotic administration was shorter (EPTA mean 66 mins vs NEPTA mean 121 mins, p=0.0058). No patients in the EPTA group experienced an immediate hypersensitivity reaction (hives, anaphylaxis, etc.) or severe cutaneous adverse reaction (SCAR) during HSCT admission. EPTA patients were also significantly less likely to require 1:1 nursing for antibiotic test doses, challenges, and desensitizations (EPTA 0% vs NEPTA 49%, p<0.0001); less likely to require inpatient allergy consult (EPTA 0% vs NEPTA 12%, p=0.031); and less likely to require inpatient antimicrobial stewardship consult (EPTA 0% vs NEPTA 13%, p=0.013) during their HSCT admission. CONCLUSIONS: In summary, patients who completed penicillin allergy testing prior to HSCT admission were more likely to receive first-line antibiotics and received antibiotics more rapidly for treatment of febrile neutropenia. Furthermore, patients who completed penicillin allergy testing prior to HSCT admission were less likely to require 1:1 nursing, inpatient allergy consults, and inpatient antimicrobial stewardship consults during HSCT admission.
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BACKGROUND: Adolescents and young adults (AYAs) receiving hematopoietic cell transplantation (HCT) are at high risk of poor psychosocial health. This study aimed to determine whether the Promoting Resilience in Stress Management (PRISM) intervention mitigated these risks during the first 6 months posttransplant. METHODS: This multisite, parallel, randomized trial was conducted from April 2019 to March 2023. Eligible AYAs were aged 12-24 years, English speaking, and within 1 month of HCT for cancer or cancer predisposition syndrome. They were assigned 1:1 to PRISM (a brief, skills-based intervention targeting "resilience resources" [stress management, goal setting, cognitive reframing, and meaning making]) or usual care (UC). Outcomes included total symptoms of depression and anxiety (Hospital Anxiety and Depression Scale; primary outcome), hope (Snyder Hope Scale), resilience (10-item Connor-Davidson Resilience Scale), and health-related quality of life (HRQOL; Pediatric Quality of Life Inventory Cancer Module). Analyses leveraged multivariable linear regressions; exploratory analyses assessed the influence of baseline depression or anxiety. RESULTS: Of 94 enrolled and randomized AYAs, the mean age was 16.7 years (SD, 4.2); 43 (46%) were female, 56 (60%) were non-Hispanic White, 22 (23%) were Hispanic, and nine (10%) were Black. Most (77%) had leukemia. Of n = 50 randomized to PRISM and n = 44 to UC, 37 (74%) and 33 (73%) completed all study procedures, respectively. In intention-to-treat analyses, PRISM did not affect 6-month depression and anxiety (ß = -1.1; 95% CI, -3.7 to 1.5), hope (ß = 0.83; 95% CI, -3.3 to 4.9), resilience (ß = -0.01; 95% CI, -3.0 to 3.0), or HRQOL (ß = 1.5; 95% CI, -4.7 to 7.9). Among AYAs with preexisting anxiety or depression, PRISM recipients reported greater 6-month improvements in hope (score change, +3.71; SD, 6.9) versus UC recipients (score change, -2.76; SD, 6.5) (p = .04). CONCLUSIONS: Resilience coaching did not influence outcomes in this sample. Exploratory findings suggest it may be more effective when directed toward those with concurrent distress.
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INTRODUCTION: Since its discovery in the early 1900s, sickle cell disease (SCD) has contributed significantly to the scientific understanding of hemoglobin and hemoglobinopathies. Despite this, now almost a century later, optimal medical management and even curative options remain limited. Encouragingly, in the last decade, there has been a push toward advancing the care for individuals with SCD and a diversifying interest in options to manage this disorder. AREAS COVERED: Here, we review the current state of disease modifying therapies for SCD including fetal hemoglobin inducers, monoclonal antibodies, anti-inflammatory modulators, and enzyme activators. We also discuss current curative strategies with specific interest in transformative gene therapies. EXPERT OPINION: SCD is a chronic, progressive disease that despite a century of clinical description, only now is seeing a growth and advance in therapeutic options to improve the lifespan and quality of life for individuals with SCD. We anticipate newly designed and even repurposed therapies that may work as a single agent or combination agents to tackle the progression of SCD. The vast majority of individuals living with SCD are unlikely to receive gene therapy, therefore improved disease management is critical even for those that may ultimately chose to pursue a potentially curative strategy.
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Acute radiation syndrome encompasses a spectrum of pathological manifestations resulting from exposure to high doses of ionizing radiation. This syndrome typically progresses through three stages with a prodromal phase, a latency phase and a critical phase. Each of them varies in intensity and duration depending on the absorbed dose of radiation. Predominantly affecting the bone marrow, skin, and gastrointestinal tract, its clinical implications are profound and multiorgan failure must be considered. Radiation doses below 2 Gray generally result in insignificant clinical consequences, while exposures surpassing 12 Gray exceeds current therapeutic capacities. Survival outcomes for patients within this therapeutic range depend on their ability to withstand radiation-induced aplasia, compounded by an increased risk of bleeding and infection due to skin, gastrointestinal, and potentially combined radiation injuries. Assessing the degree of radiation exposure plays a pivotal role in tailoring patient management strategies and is based on a combination of clinical, biological, and physical parameters. Treatment approaches primarily include intensive hematologic support to manage symptomatic manifestations and etiologic treatment is now based on the administration of growth factors. The role of hematopoietic stem cell transplant (HSCT) will be carefully considered on an individual basis, especially for patients who do not respond following 3 weeks of cytokine therapy. This review highlights the pathophysiological mechanisms, assessment modalities, and therapeutic interventions crucial for managing acute radiation syndrome aiming to optimize patient outcomes and guide clinical practice.
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Bloodstream infections (BSI) are one of the leading causes of morbidity and mortality in children and young adults receiving chemotherapy for malignancy or undergoing hematopoietic stem cell transplantation (HSCT). Antibiotic prophylaxis is commonly used to decrease the risk of BSI; however, antibiotics carry an inherent risk of complications. The aim of this manuscript is to review levofloxacin prophylaxis in pediatric oncology patients and HSCT recipients. We reviewed published literature on levofloxacin prophylaxis to prevent BSI in pediatric oncology patients and HSCT recipients. Nine manuscripts were identified. The use of levofloxacin is indicated in neutropenic children and young adults receiving intensive chemotherapy for leukemia or undergoing HSCT. These results support the efficacy of levofloxacin in pediatric patients with leukemia receiving intensive chemotherapy and should be considered in pediatric patients undergoing HSCT prior to engraftment.
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Transplante de Células-Tronco Hematopoéticas , Levofloxacino , Humanos , Levofloxacino/uso terapêutico , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Criança , Adolescente , Masculino , Pré-Escolar , Feminino , Antibioticoprofilaxia/métodos , Neoplasias , Leucemia/terapia , Antibacterianos/uso terapêutico , Adulto , Adulto JovemRESUMO
Post-transplantation lymphoproliferative disorders (PTLD) are a commonly occurring condition following solid organ transplantation (SOT) and, rarely, hematopoietic stem cell transplantation (HSCT). As the name suggests, a PTLD is a condition where there is a clonal proliferation of lymphoid cells that occurs as a complication after transplantation. Though the clonal origin cell is primarily associated with the B-cell lineage, there are existing cases in the literature describing PTLD from the T-cell lineage. Large granulocytic leukemia (LGL) is one rare T-cell lineage subtype that typically progresses with a passive clinical course and is discovered with leukocytosis and peripheral blood smears demonstrating large granules in lymphocytes. In this study, we describe two patients initially diagnosed with acute myeloid leukemia (AML) who were both found to have T-cell PTLD after undergoing allogeneic hematopoietic stem cell transplant. One was found with a clonal expansion of T-cells on flow cytometry and the other with LGL on peripheral blood and flow cytometry. This discovery was made at 16 and 20 months after their transplant respectively. Distinguishing factors for these two patients are demonstrated by the derivation of lymphoproliferative disorder from graft vs. host disease (GVHD) or viral etiology, which is significant as both of which have been shown to be associated with PTLD. Epstein-Barr virus (EBV) and cytomegalovirus (CMV) positivity have been shown to be associated with PTLD, and both our patients were EBV-negative but had harbored prior CMV infections. Additionally, they had a benign course with no development of cytopenias or symptoms since the time of diagnosis. These two cases add to the growing literature that is working to better characterize the rare development of LGL and, in general, T-cell PTLD following allogeneic bone marrow transplantation.
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Background: Rehabilitation therapy is important to treat physical and functional impairments that may occur in individuals receiving physically taxing, yet potentially curative hematopoietic stem cell transplants (HSCT). However, there is scarce data on how rehabilitation is delivered during HSCT in real-life setting. Our objective is to assess the rehabilitation practices for adult patients hospitalized for HSCT in the United States. Methods: A 48-question online survey with cancer centers with the top 10% HSCT volumes (per American registries). We obtained data on patient characteristics, rehabilitation therapy details (timing, indication, administering providers), physical function objective and subjective outcome measures, and therapy activity precautions. Results: Fourteen (out of 21) institutions were included. Rehabilitation therapy referrals occurred at admission for all patients at 35.7% of the centers for: functional decline (92.9%), fall risk (71.4%), and discharge planning (71.4%). Participating institutions had physical therapists (92.9%), occupational therapists (85.7%), speech language pathologists (64.3%) and therapy aides (35.7%) in their rehabilitation team. Approximately 71% of centers used objective functional measures including sit-to-stand tests (50.0%), balance measures (42.9%), and six-minute walk/gait speed (both 35.7%). Monitoring of blood counts to determine therapy modalities frequently occurred and therapies held for low platelet or hemoglobin values; but absolute neutrophil values were not a barrier to participate in resistance or aerobic therapies (42.9%). Discussion: Rehabilitation practices during HSCT varied among the largest volume cancer centers in the United States, but most centers provided skilled therapy, utilized objective, clinician and patient reported outcomes, and monitored blood counts for safety of therapy administration.
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Objectives: This systematic review addressed the question: "What is the prevalence of apical periodontitis in patients prior to hematopoietic cell transplantation?" Materials and Methods: A systematic search was conducted in MEDLINE/PubMed, Cochrane Library, Scopus, Web of Science, Embase, and Grey Literature Report. Eligibility criteria were based on the condition, content, and population strategy: the condition was the radiographic prevalence of apical periodontitis, the content comprised patients scheduled for hematopoietic stem cell transplantation, and the population consisted of adult and pediatric patients. The revised Risk of Bias in Nonrandomized Studies of Exposure tool was used to assess the quality of studies. The Grading Recommendations Assessments, Development, and Evaluation (GRADE) tool was used to assess the quality of evidence. Results: Eight studies were included in this review. The average number of patients with apical periodontitis was 15.65% (range, 2.1%-43.34%). One study was classified as having a very high risk of bias, 1 with a high risk of bias, and 6 with some concern for bias. GRADE analysis showed a very low certainty of evidence. Significant limitations concerning the absence of control over confounding variables were identified. Conclusions: With the caveat of the very low quality of evidence in the studies reviewed, there was a low to moderate prevalence of apical periodontitis in patients prior to undergoing hematopoietic cell transplantation.
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BACKGROUND: The goal of this study was to assess the effect of donor type and pre-transplant immunotherapy (IST) on outcomes of hematopoietic stem cell transplantation (HSCT) for children and young adults with severe aplastic anemia (SAA). METHODS: This retrospective, multi-center study included 52 SAA patients, treated in 5 pediatric transplant programs in Florida, who received HSCT between 2010 and 2020 as the first- or second-line treatment. RESULTS: The median age at HSCT for all 52 patients was 15 years (range 1-25). The 3-year overall survival (OS) by donor type were as follows: 95% [95% CI 85.4-99] for matched related donors (MRD) (N = 24), 84% [95% CI 63.5-99] for haploidentical (N = 13), and 71% [95% CI 36-99] for matched unrelated donors (MUD) (N = 7). The 3-year OS was 81% [95% CI 69.7-99] for all patients, 90.5% [95% CI 79.5-99] for non-IST patients (N = 27), and 70% [95% CI 51-99] for IST patients (N = 24) (log-rank p = .04). Survival of haploidentical HSCT (haplo-HSCT) recipients with post-transplant cyclophosphamide (PTCy) (N = 13) was excellent for both groups: 100% for non-IST patients (N = 3) and 80% for IST patients (N = 10). The 3-year OS for patients with previous IST by donor type in groups where >5 patients were available was 78.8% [95% CI 52.3-99] for haplo-HSCT (N = 10) and 66.7% [95% CI 28.7-99] for MUD (N = 6). Although it appears that patients receiving HSCT ≥6 months after the start of IST had worse survival, the number of patients in each category was small and log-rank was not significant(p = .65). CONCLUSIONS: Patients receiving MUD and haplo-HSCT with PTCy had similar outcomes, suggesting that haplo-HSCT with PTCy could be included in randomized trials of upfront IST versus alternative donor HSCT.
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Anemia Aplástica , Transplante de Células-Tronco Hematopoéticas , Humanos , Anemia Aplástica/terapia , Adolescente , Criança , Estudos Retrospectivos , Masculino , Feminino , Pré-Escolar , Adulto Jovem , Adulto , Lactente , Resultado do Tratamento , Terapia de Imunossupressão/métodos , Doadores de Tecidos , Imunossupressores/uso terapêuticoRESUMO
The implications of previous central nervous system (CNS) involvement in children with acute myeloid leukemia (AML) undergoing hematopoietic cell transplantation (HCT) remain inadequately understood. Patients with CNS disease require more upfront CNS-directed intrathecal therapy, but little is known about whether transplant conditioning regimens should be intensified or if previous CNS involvement impacts post-HCT outcomes. While total body irradiation (TBI) remains standard for pediatric acute lymphoblastic leukemia myeloablative conditioning, it has been largely replaced with chemotherapy-only myeloablation in pediatric AML, primarily due to toxicity and late effects associated with TBI. In the setting of previous CNS involvement, it has been suggested that TBI-based myeloablation may have advantages due to superior CNS tissue penetration and thus decreased rates of AML relapse post-HCT. We analyzed a publicly available dataset derived from the Center for International Blood and Marrow Transplantation Research (CIBMTR) registry to characterize the impact of TBI in HCT preparative regimens in pediatric AML patients with a history of CNS involvement. The study dataset was obtained from the CIBMTR data repository. The study cohort included patients aged ≤21 years who underwent initial allogeneic HCT with myeloablative conditioning for de novo AML in the first or second complete remission (CR) between 2008 and 2016, who provided consent for research. Patients with mismatched related donor transplants and noncalcineurin inhibitor graft-versus-host disease (GVHD) prophylaxis were excluded. The dataset was further modified by excluding patients with missing disease site data or those with non-CNS extramedullary disease. Patients were categorized as CNS-positive or -negative AML (AML-CNS(+) and AML-CNS(-), respectively) based on the disease status at diagnosis. The Cox regression model and Fine-Grey methods were employed to delineate the effects of TBI and CNS disease on key HCT outcomes. The study cohort comprised 550 pediatric AML patients, of which 25% (n = 136) were AML-CNS(+). CNS involvement was more prevalent in patients aged 0 to 3 years, patients who were in the second CR, and those with a mismatched unrelated donor or umbilical cord blood. AML-CNS(+) patients demonstrated a lower relapse rate (hazard ratio: 0.50, 95% confidence interval: 0.33 to 0.76) compared to AML-CNS(-) patients, with comparable disease-free survival (DFS) and overall survival (OS) (P = .10 and 0.20, respectively) in the two cohorts. The entire TBI-treated cohort showed an association with increased risks of grade 2 to 4 acute GVHD, bloodstream infections, and endocrine dysfunction. TBI use within the AML-CNS(+) cohort was associated with a lower relapse rate but increased risks of nonrelapse mortality and a trend of higher grade 3 to 4 acute GVHD. In this population-based analysis of pediatric patients with de novo AML undergoing HCT, TBI-based conditioning regimens did not confer an advantage in DFS or OS compared to non-TBI regimens, irrespective of CNS disease status. However, TBI use was associated with increased risks of short- and long-term comorbidities. These findings underscore the need for careful consideration of TBI in pediatric AML.
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Transplante de Células-Tronco Hematopoéticas , Leucemia Mieloide Aguda , Condicionamento Pré-Transplante , Irradiação Corporal Total , Humanos , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Criança , Leucemia Mieloide Aguda/terapia , Irradiação Corporal Total/efeitos adversos , Pré-Escolar , Adolescente , Feminino , Masculino , Condicionamento Pré-Transplante/métodos , Lactente , Neoplasias do Sistema Nervoso Central/terapia , Neoplasias do Sistema Nervoso Central/radioterapia , Resultado do Tratamento , Doença Enxerto-Hospedeiro/etiologiaRESUMO
Endometriosis is often diagnosed in reproductive aged women with spontaneous ovarian activity. Here we described a case of endometriosis diagnosed in a patient with premature ovarian insufficiency (POI) due to prepubertal bone marrow transplant (BMT). The patient is a 22-year-old nulligravid female who presented with chronic pelvic pain. She had an inherited bone marrow failure syndrome (Diamond-Blackfan anemia), which required gonadotoxic chemotherapy for BMT at a young age prior to puberty. At age 13, she received hormone therapy with transdermal estrogen with subsequent addition of cyclic progestin and was later transitioned to combined oral contraceptive pills (COC). Endometriosis was suspected due to progressive dysmenorrhea and multiple cyclic systemic symptoms. She underwent a trial of elagolix, but could not tolerate it due to worsened arthralgia. Norethindrone acetate (NET-A) was then started, and she underwent diagnostic laparoscopy. Laparoscopy revealed scattered superficial endometriotic lesions in the pelvis. Histological studies showed florid endometriosis. Patient continues on NET-A 10mg and oral estradiol 0.5mg daily since the surgery and has experienced sustained improvement in her symptoms. Endometriosis should be considered as a possible cause for progressive dysmenorrhea or pelvic pain, even in the setting of POI. The balance between HT for overall health benefits in young women with POI and the risk of endometriosis exacerbation is delicate, but achievable.
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We describe the natural history of a three-month-old patient with Hunter Syndrome with hematopoietic stem cell transplant (HSCT) who developed recurrent diffuse alveolar hemorrhage (DAH) requiring extracorporeal membrane oxygenation (ECMO). The patient underwent HSCT with several complications, including veno-occlusive disease and DAH. He was managed with ECMO. Unfortunately, despite initial success he developed recurrent DAH and ultimately died. This is a novel report of this severe adverse event requiring ECMO following the use of HSCT in this rare patient population. We share the clinical strategies employed to address the complications associated with HSCT and the progression of his disease over his hospitalization.
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Objectives: This manuscript presents a bibliometric and visualization analysis of Total Body Irradiation (TBI) research, aiming to elucidate trends, gaps, and future directions in the field. This study aims to provide a comprehensive overview of the global research landscape of TBI, highlighting its key contributions, evolving trends, and potential areas for future exploration. Methods: The data for this study were extracted from the Web of Science Core Collection (WoSCC), encompassing articles published up to May 2023. The analysis included original studies, abstracts, and review articles focusing on TBI-related research. Bibliometric indicators such as total publications (TP), total citations (TC), and citations per publication (C/P) were utilized to assess the research output and impact. Visualization tools such as VOS Viewer were employed for thematic mapping and to illustrate international collaboration networks. Results: The analysis revealed a substantial body of literature, with 7,315 articles published by 2,650 institutions involving, 13,979 authors. Full-length articles were predominant, highlighting their central role in the dissemination of TBI research. The authorship pattern indicated a diverse range of scholarly influences, with both established and emerging researchers contributing significantly. The USA led in global contributions, with significant international collaborations observed. Recent research trends have focused on refining TBI treatment techniques, investigating long-term patient effects, and advancing dosimetry and biomarker studies for radiation exposure assessments. Conclusions: TBI research exhibits a dynamic and multifaceted landscape, driven by global collaboration and innovation. It highlights the clinical challenges of TBI, such as its adverse effects and the need for tailored treatments in pediatric cases. Crucially, the study also acknowledges the fundamental science underpinning TBI, including its effects on inflammatory and apoptotic pathways, DNA damage, and the varied sensitivity of cells and tissues. This dual focus enhances our understanding of TBI, guiding future research toward innovative solutions and comprehensive care.
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BACKGROUND: Allogeneic stem cell transplantation (allo-SCT) is the preferred therapy for patients with high-risk or relapsed hematologic malignancies, but may be complicated by psychological distress (e.g., depression, anxiety) and symptom burden (e.g., fatigue, pain). Mindfulness-based music therapy (MBMT), a relatively novel integrative medicine intervention that draws from mindfulness and music therapy principles, has shown promise in improving psychosocial outcomes and symptom burden in cancer patients. We outline an eHealth-based MBMT (eMBMT) intervention protocol examining: (1) feasibility, acceptability, and intended effects of eMBMT in improving HRQOL, symptom burden, and clinical markers of disease activity (e.g., infections), and (2) the extent to which eMBMT music therapy component-associated improvements in HRQOL, symptom burden, and disease activity are mediated by improvements in psychosocial and physiological (e.g., systemic inflammation, immune recovery) adaptation. METHODS: Participants (n = 60) with a hematologic malignancy undergoing allo-SCT will be randomized to receive eMBMT or an eHealth-based mindfulness meditation (eMM) intervention. eMBMT includes eight 60-min sessions facilitated by a music therapist focusing on mindfulness and music therapy. eMM includes eight 60-min self-led MM practices. RESULTS: Feasibility, acceptability, HRQOL, symptom burden, disease activity, and mediation effects of psychosocial and physiological adaptation will be assessed at baseline, pre-infusion, and post-engraftment with blood collection at baseline and post-engraftment. CONCLUSION: The current pilot RCT is the first eMBMT intervention to address the HRQOL and symptom burden of patients who are undergoing allo-SCT. Results will inform a fully powered RCT to establish preliminary efficacy of eMBMT on improvements in HRQOL, symptom burden, and disease activity.
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Neoplasias Hematológicas , Transplante de Células-Tronco Hematopoéticas , Atenção Plena , Musicoterapia , Qualidade de Vida , Adulto , Feminino , Humanos , Masculino , Ansiedade/terapia , Depressão/terapia , Estudos de Viabilidade , Neoplasias Hematológicas/terapia , Neoplasias Hematológicas/psicologia , Transplante de Células-Tronco Hematopoéticas/métodos , Transplante de Células-Tronco Hematopoéticas/psicologia , Meditação/métodos , Atenção Plena/métodos , Musicoterapia/métodos , Projetos Piloto , Telemedicina , Transplante Homólogo , Ensaios Clínicos Controlados Aleatórios como AssuntoRESUMO
Epidermolysis bullosa (EB) is a genodermatosis that lacks effective treatments and requires supportive care for its severe, life-threatening manifestations. Bone marrow transplantation (BMT) and its derived cells have been suggested to improve clinical symptoms and quality of life. A comprehensive search was conducted for publications evaluating BMT and bone marrow-derived mesenchymal stem cell (BM-MSC) therapy for EB in PubMed/MEDLINE, Google Scholar, and Cochrane databases from inception until June 2023. A total of 55 participants with severe forms of EB had BMT and/or BM-MSCs, with recessive dystrophic EB as the most common EB type; 53 (96.4%) patients had better wound healing, and 3 (5.5%) patients died of sepsis. The most common adverse events reported were graft failure, sepsis, graft-versus-host disease, and renal insufficiency. Allogeneic BMT is a high-risk procedure with possible benefits and adverse events. BM-MSCs revealed favorable outcomes to improve the safety of EB cell-based therapy by minimizing the risk of serious adverse events, reducing blisters, and accelerating wound healing. Further studies are needed to assess the treatment's long-term effects and clarify the risk/benefit ratio of procedure versus conventional therapy.
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Transplante de Medula Óssea , Epidermólise Bolhosa , Transplante de Células-Tronco Mesenquimais , Humanos , Transplante de Medula Óssea/métodos , Epidermólise Bolhosa/terapia , Transplante de Células-Tronco Mesenquimais/métodos , CicatrizaçãoRESUMO
Sinusoidal obstructive syndrome (SOS), or veno-occlusive disease, of the liver has been recognized as a complex, life-threatening complication in the posthematopoietic stem cell transplant (HSCT) setting. The diagnostic criteria for SOS have evolved over the last several decades with a greater understanding of the underlying pathophysiology, with 2 recent diagnostic criteria introduced in 2018 (European Society of Bone Marrow Transplant [EBMT] criteria) and 2020 (Cairo criteria). We sought out to evaluate the performance characteristics in diagnosing and grading SOS in pediatric patients of the 4 different diagnostic criteria (Baltimore, Modified Seattle, EBMT, and Cairo) and severity grading systems (defined by the EBMT and Cairo criteria). Retrospective chart review of children, adolescent, and young adults who underwent conditioned autologous and allogeneic HSCT between 2017 and 2021 at a single pediatric institution. A total of 250 consecutive patients underwent at least 1 HSCT at UCSF Benioff Children's Hospital San Francisco for a total of 307 HSCT. The day 100 cumulative incidence of SOS was 12.1%, 21.1%, 28.4%, and 28.4% per the Baltimore, Modified Seattle, EBMT, and Cairo criteria, respectively (P < .001). We found that patients diagnosed with grade ≥4 SOS per the Cairo criteria were more likely to be admitted to the Pediatric Intensive Care Unit (92% versus 58%, P = .035) and intubated (85% versus 32%, P = .002) than those diagnosed with grade ≥4 per EBMT criteria. Age <3 years-old (HR 1.76, 95% [1.04 to 2.98], P = .036), an abnormal body mass index (HR 1.69, 95% [1.06 to 2.68], P = .027), and high-risk patients per our institutional guidelines (HR 1.68, 95% [1.02 to 2.76], P = .041) were significantly associated with SOS per the Cairo criteria. We demonstrate that age <3 years, abnormal body mass index, and other high-risk criteria associate strongly with subsequent SOS development. Patients with moderate to severe SOS based on Cairo severity grading system may correlate better with clinical course based on ICU admissions and intubations when compared to the EBMT severity grading system.
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Transplante de Células-Tronco Hematopoéticas , Hepatopatia Veno-Oclusiva , Humanos , Hepatopatia Veno-Oclusiva/diagnóstico , Hepatopatia Veno-Oclusiva/etiologia , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Adolescente , Criança , Masculino , Feminino , Pré-Escolar , Adulto Jovem , Estudos Retrospectivos , Lactente , Adulto , Índice de Gravidade de DoençaRESUMO
This study aims to perform an extensive review of the literature that evaluates various factors that affect the survival rates of patients with severe combined immunodeficiency (SCID) after hematopoietic stem cell transplantation (HSCT) in developed and developing countries. An extensive search of the literature was made in four different databases (PubMed, Embase, Scopus, and Web of Science). The search was carried out in December 2022 and updated in July 2023, and the terms such as "hematopoietic stem cell transplantation," "bone marrow transplant," "mortality," "opportunistic infections," and "survival" associated with "severe combined immunodeficiency" were sought based on the MeSH terms. The language of the articles was "English," and only articles published from 2000 onwards were selected. Twenty-three articles fulfilled the inclusion criteria for review and data extraction. The data collected corroborates that early HSCT, but above all, HSCT in patients without active infections, is related to better overall survival. The universal implementation of newborn screening for SCID will be a fundamental pillar for enabling most transplants to be carried out in this "ideal scenario" at an early age and free from infection. HSCT with an HLA-identical sibling donor is also associated with better survival rates, but this is the least common scenario. For this reason, transplantation with matched unrelated donors (MUD) and mismatched related donors (mMRD/Haploidentical) appear as alternatives. The results obtained with MUD are improving and show survival rates similar to those of MSD, as well as they do not require manipulation of the graft with expensive technologies. However, they still have high rates of complications after HSCT. Transplants with mMRD/Haplo are performed just in a few large centers because of the high costs of the technology to perform CD3/CD19 depletion and TCRαß/CD19 depletion or CD34 + selection techniques in vitro. The new possibility of in vivo T cell depletion using post-transplant cyclophosphamide could also be a viable alternative for performing mMRD transplants in centers that do not have this technology, especially in developing countries.