Publications by authors named "David Marks"

Inotuzumab ozogamicin (InO) is an antibody-drug conjugate approved for the treatment of relapsed/refractory B-cell acute lymphoblastic leukemia (ALL). Several clinical trials are investigating InO in combination with low-intensity chemotherapy or other anti-ALL-targeted therapies in the salvage and frontline settings, notably in older adults who often cannot tolerate intensive chemotherapy and tend to have higher-risk disease. InO is also increasingly used to bridge patients to hematopoietic stem cell transplantation (HSCT), in sequence with chimeric antigen receptor T-cell therapy, to eliminate measurable residual disease and to prevent post-HSCT relapse.

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Article Synopsis
  • - The study investigates the survival outcomes of patients receiving umbilical cord blood transplants (UCBT) across different racial and ethnic groups, focusing on Black, Latinx, White, and Asian patients, as previous research indicated disparities in survival rates.
  • - A retrospective analysis of data from the Center for International Blood and Marrow Transplant Research (CIBMTR) included 983 single and 1529 double UCBT recipients, measuring outcomes like overall survival (OS), disease-free survival, and transplant-related mortality over two years.
  • - Results showed that while overall survival rates varied by race/ethnicity, with Latinx patients having significantly lower OS compared to Blacks, no significant differences were observed in child patients,
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Aberrant activation of GLI transcription factors has been implicated in the pathogenesis of different tumor types including pancreatic ductal adenocarcinoma. However, the mechanistic link with established drivers of this disease remains in part elusive. In this study, using a new genetically engineered mouse model overexpressing constitutively active mouse form of GLI2 and a combination of genome-wide assays, we provide evidence of a novel mechanism underlying the interplay between KRAS, a major driver of pancreatic ductal adenocarcinoma development, and GLI2 to control oncogenic gene expression.

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CAR T-cell therapy has transformed relapsed/refractory (r/r) B-cell precursor acute lymphoblastic leukaemia (B-ALL) management and outcomes, but following CAR T infusion, interventions are often needed. In a UK multicentre study, we retrospectively evaluated tisagenlecleucel outcomes in all eligible patients, analysing overall survival (OS) and event-free survival (EFS) with standard and stringent definitions, the latter including measurable residual disease (MRD) emergence and further anti-leukaemic therapy. Both intention-to-treat and infused cohorts were considered.

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Article Synopsis
  • The guideline aims to help healthcare professionals prepare children and young adults with B-acute lymphoblastic leukaemia for CAR T-cell treatment, from referral to admission.
  • It was created by the ALL subgroup of the Advanced Cell Therapy Sub-Committee of the British Society of Blood and Marrow Transplantation (BSBMTCT).
  • The Grading of Recommendations Assessment, Development and Evaluation (GRADE) system is used to evaluate evidence levels and the strength of the recommendations provided in the guideline.
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There are some syndromes that present with unique manifestations pertaining to the spinal column. A good working understanding of these common syndromes is useful for the spinal deformity surgeons and related healthcare providers. This review attempts to encompass these unique features and discuss them in three broad groups: hypermobility syndromes, muscle pathology-related syndromes, and syndromes related to poor bone quality.

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Experts from the European Leukemia Net (ELN) working group for adult acute lymphoblastic leukemia have identified an unmet need for guidance regarding management of adult acute lymphoblastic leukemia (ALL) from diagnosis to aftercare. The group has previously summarized their recommendations regarding diagnostic approaches, prognostic factors, and assessment of ALL. The current recommendation summarizes clinical management.

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Working groups of the European LeukemiaNet have published several important consensus guidelines. Acute lymphoblastic leukemia (ALL) has many different clinical and biological subgroups and the knowledge on disease biology and therapeutic options is increasing exponentially. The European Working Group for Adult ALL has therefore summarized the current state of the art and provided comprehensive consensus recommendations for diagnostic approaches, biologic and clinical characterization, prognostic factors, and risk stratification as well as definitions of endpoints and outcomes.

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The Homeostasis Theory of Well-being proposes a homeostatic modular system for the creation of human well-being. This article aims to: (i) provide a proof-of-concept demonstration of the feasibility of the theory in its biopsychosocial context; (ii) indicate prima facie empirical support for the homeostatic nature of the 16 proposed modules; (iii) discuss the similarities to and differences from other homeostasis theories of well-being. Following the Central Limit Theorem, any homeostatic system with multiple inputs produces outputs with a Gaussian distribution.

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Purpose: Report the rate and severity of degenerative disc disease (DDD) in non-surgical adolescent idiopathic scoliosis (AIS) patients and correlate these findings with patient-reported symptomatology scores. Additionally, to quantify the rate of concurrent pathological radiological findings in this group.

Methods: This was a retrospective chart review study at a single tertiary centre.

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Research into the newly-coined 'condition' of 'aphantasia', an individual difference involving the self-reported absence of voluntary visual imagery, has taken off in recent years, and more and more people are 'self-diagnosing' as aphantasic. Yet, there is no consensus on whether aphantasia should really be described as a 'condition', and there is no battery of psychometric instruments to detect or 'diagnose' aphantasia. Instead, researchers currently rely on the Vividness of Visual Imagery Questionnaire (VVIQ) to 'diagnose' aphantasia.

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This article reviews historically significant phenomenological studies of visual mental imagery (VMI), starting with Fechner in 1860 and continuing to the present. This synthesis of diverse VMI phenomenological studies in healthy adults serves as a unique resource for investigators of individual differences, cognitive development and clinical and neurological conditions. The review focuses on two kinds of VMI, "memory imagery" and "eidetic imagery".

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Article Synopsis
  • A study analyzed the effectiveness of allogeneic hematopoietic cell transplantation (alloHCT) in older patients (≥50 years) with acute lymphoblastic leukemia (ALL), comparing older matched sibling donors (MSDs) and younger matched unrelated donors (MUDs).
  • Results showed that younger MUDs significantly reduced the risk of disease relapse compared to older MSDs, with a 5-year relapse incidence of 26% vs. 37%.
  • However, the use of younger MUDs was linked to higher rates of chronic graft-versus-host disease (GVHD) and nonrelapse mortality, though overall survival and leukemia-free survival rates were similar between the two donor types.
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Introduction: The usage of a T-cell depleted, reduced intensity conditioning (RIC) approach to haematopoietic cell transplantation (HCT) in adult patients with acute lymphoblastic leukaemia (ALL) over 40 years of age and in first complete remission (CR) has resulted in encouraging rates of event-free and overall survival in a population of adults with high risk disease. However, relapse rates remain high-with disease progression being the major cause of treatment failure. Using different, more powerful conditioning approaches is the logical next step in examining the role of RIC allogeneic HCT in adult ALL.

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  • Researchers created a prognostic model to predict outcomes for patients with myelofibrosis undergoing allogeneic hematopoietic cell transplantation by analyzing data from 623 patients in the U.S. (CIBMTR cohort) from 2000 to 2016.
  • They identified key factors that influence mortality, assigning weighted scores based on age, donor matching, hemoglobin levels, and donor compatibility, which resulted in differing survival rates among low, intermediate, and high score groupings.
  • The model was validated in a European cohort (EBMT), proving effective for predicting overall survival and transplant-related mortality, aiding clinicians in discussing transplantation prospects with myelofibrosis patients.
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The Action Cycle Theory (ACT) is an enactive theory of the perception and a mental imagery system that is comprised of six modules: Schemata, Objects, Actions, Affect, Goals and Others' Behavior. The evidence supporting these six connected modules is reviewed in light of research on mental imagery vividness. The six modules and their interconnections receive empirical support from a wide range of studies.

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Background: Debate exists as to whether anterior-posterior spinal fusion (APSF), rather than posterior-only spinal fusion (PSF), provides benefit for treating severe thoracic adolescent idiopathic scoliosis (AIS). This systematic review and meta-analysis compare (1) Cobb angle correction, (2) complication and reoperation rate, (3) pulmonary function, (4) number of fused segments, and 5) patient-reported outcome measures (PROMs) in both groups.

Methods: Electronic databases were searched to identify studies that met the following inclusion criteria: comparative studies (level 3 or above), severe thoracic curves (≥ 70°), age ≤ 16, AIS aetiology, Lenke 1-4 curves and follow-up ≥ 1 year for ≥ 95% of patient population.

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The purpose of this article is to review the evidence of similar symptomatology of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and post-acute sequelae of SARS-CoV-2 infection (PASC). Reanalysis of data from a study by Jason comparing symptom reports from two groups of ME/CFS and PASC patients shows a notably similar symptomatology. Symptom scores of the PASC group and the ME/CFS group correlated 0.

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Purpose: To address the anatomical challenges facing complex and revision spinal surgery, patient-specific 3D-printed models (3D-PMs) have received growing attention worldwide, primarily in adults. We report the use of a 3D-PM in the treatment of a case of wound breakdown over a component of a VEPTR (Vertical Expandable Prosthetic Titanium Rib; DePuy-Synthes) system, requiring replacement of Dunn-McCarthy hook and sleeve with components contoured to a patient-specific 3D-PM of the spine.

Method: A two-year-old born with myelomeningocele (MMC), repaired at birth, developed progressive MMC-associated kyphoscoliosis.

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Background: Anthracycline cardiotoxicity is a significant clinical challenge. Biomarkers to improve risk stratification and identify early cardiac injury are required.

Objectives: The purpose of this pilot study was to prospectively characterize anthracycline cardiotoxicity using cardiovascular magnetic resonance (CMR), echocardiography and MicroRNAs (MiRNAs), and identify baseline predictors of LVEF recovery.

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