Publications by authors named "Linton K"

This community case study introduces Our Wave, an online platform that provides a safe, anonymous space for survivors of sexual harm to share their stories, reflect on their healing journeys, and connect with others. Designed to empower survivors, the platform allows users to post anonymous stories or visual media, ask questions, and send messages of hope, all while prioritizing privacy and security. It also aims to create a broader impact by analyzing shared narratives to detect patterns, identify best practices for healing, and inform global approaches to SV recovery.

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Background: Procarbazine-containing chemotherapy regimens are associated with cytopenias and infertility, suggesting stem-cell toxicity. When treating Hodgkin lymphoma, procarbazine in escalated-dose bleomycin-etoposide-doxorubicin-cyclophosphamide-vincristine-procarbazine-prednisolone (eBEACOPP) is increasingly replaced with dacarbazine (eBEACOPDac) to reduce toxicity. We aimed to investigate the impact of this drug substitution on the mutation burden in stem cells, patient survival, and toxicity.

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Objective: To report real-world outcomes for high-risk non-muscle-invasive bladder cancer (HRNMIBC), including bacillus Calmette-Guérin (BCG) and radical cystectomy (RC), as randomised comparisons of these have not been possible.

Methods: We detail consecutive participants screened for the BRAVO randomised controlled trial comparing RC with BCG (International Standard Randomised Controlled Trial Number [ISRCTN]12509361). Patients were prospectively registered and case-note review used for outcomes.

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Article Synopsis
  • Epcoritamab, a bispecific antibody targeting CD3 and CD20, showed promising long-term results as a monotherapy for relapsed or refractory large B-cell lymphoma (LBCL) in the EPCORE NHL-1 study, with a 63.1% overall response rate and a 40.1% complete response rate after a median follow-up of 25.1 months.
  • The estimated 24-month progression-free survival (PFS) and overall survival (OS) rates were 27.8% and 44.6%, respectively, with 64.2% of complete responders maintaining their response at that time.
  • Most treatment-emergent adverse events were manageable, with cytokine release syndrome
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In this global phase 2 study in patients with relapsed/refractory follicular lymphoma (FL), zandelisib was administered on intermittent dosing to mitigate immune-related adverse events and infections that have been reported with oral PI3Kδ inhibitors administered daily continuously. Eligible patients with measurable disease and progression after at least two prior therapies were administered zandelisib until disease progression or intolerability. The primary efficacy endpoint was objective response rate (ORR) and the key secondary efficacy endpoint was duration of response (DOR).

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Article Synopsis
  • This study aimed to assess the effectiveness of epcoritamab, a new bispecific antibody, for treating patients with advanced follicular lymphoma who have already undergone multiple previous therapies.
  • The research was part of the EPCORE NHL-1 trial, which took place at 88 sites across 15 countries and involved patients aged 18 and older with specific eligibility criteria, including having received at least two prior treatments.
  • Treatment involved subcutaneous injections of epcoritamab in cycles, with a tailored dosing strategy to minimize the risk of cytokine release syndrome, and the primary focus was on evaluating the overall response rate and safety measures related to cytokine release.
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Immune responses to primary COVID-19 vaccination were investigated in 58 patients with follicular lymphoma (FL) as part of the PETReA trial of frontline therapy (EudraCT 2016-004010-10). COVID-19 vaccines (BNT162b2 or ChAdOx1) were administered before, during or after cytoreductive treatment comprising rituximab (depletes B cells) and either bendamustine (depletes CD4 T cells) or cyclophosphamide-based chemotherapy. Blood samples obtained after vaccine doses 1 and 2 (V1, V2) were analysed for antibodies and T cells reactive to the SARS-CoV-2 spike protein using the Abbott Architect and interferon-gamma ELISpot assays respectively.

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Article Synopsis
  • The REFRACT trial is a UK-based clinical trial aimed at improving treatments for relapsed or refractory follicular lymphoma (rrFL) by testing a new combination therapy of epcoritamab and lenalidomide against standard treatment options.
  • Eligible participants are adults with specific types of follicular lymphoma, and the trial's main goal is to assess the effectiveness of the new therapy based on complete metabolic response as measured by PET-CT after 24 weeks.
  • The study aims to fill the gap in understanding the safety and efficacy of novel therapies in comparison to existing standards, using a unique design to streamline the process and reduce the number of patients needed for reliable results.
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Multidrug resistance-associated protein 2 (MRP2/ABCC2) is a polyspecific efflux transporter of organic anions expressed in hepatocyte canalicular membranes. MRP2 dysfunction, in Dubin-Johnson syndrome or by off-target inhibition, for example by the uricosuric drug probenecid, elevates circulating bilirubin glucuronide and is a cause of jaundice. Here, we determine the cryo-EM structure of rat Mrp2 (rMrp2) in an autoinhibited state and in complex with probenecid.

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The expression of drug efflux pump ABCB1/P-glycoprotein (P-gp), a transmembrane protein belonging to the ATP-binding cassette superfamily, is a leading cause of multidrug resistance (MDR). We previously curated a dataset of structurally diverse and selective inhibitors of ABCB1 to develop a pharmacophore model that was used to identify four novel compounds, which we showed to be potent and efficacious inhibitors of ABCB1. Here, we dock the inhibitors into a model structure of the human transporter and use molecular dynamics (MD) simulations to report the conformational dynamics of human ABCB1 induced by the binding of the inhibitors.

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During the COVID-19 pandemic, ibrutinib with or without rituximab was approved in England for initial treatment of mantle cell lymphoma (MCL) instead of immunochemotherapy. Because limited data are available in this setting, we conducted an observational cohort study evaluating safety and efficacy. Adults receiving ibrutinib with or without rituximab for untreated MCL were evaluated for treatment toxicity, response, and survival, including outcomes in high-risk MCL (TP53 mutation/deletion/p53 overexpression, blastoid/pleomorphic, or Ki67 ≥ 30%).

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Hodgkin lymphoma (HL) treatment increases the risk of lung cancer. Most HL survivors are not eligible for lung cancer screening (LCS) programs developed for the general population, and the utility of these programs has not been tested in HL survivors. We ran a LCS pilot in HL survivors to describe screening uptake, participant characteristics, impact of a decision aid and screen findings.

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Bendamustine is among the most effective chemotherapeutics for indolent B-cell non-Hodgkin lymphomas (iNHL), but trial reports of significant toxicity, including opportunistic infections and excess deaths, led to prescriber warnings. We conducted a multicenter observational study evaluating bendamustine toxicity in real-world practice. Patients receiving at least 1 dose of bendamustine with/without rituximab (R) for iNHL were included.

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Article Synopsis
  • - The SCHOLAR-2 study showed that patients with relapsed/refractory mantle cell lymphoma (MCL) had poor overall survival using standard care after failing a Bruton tyrosine kinase inhibitor.
  • - In the ZUMA-2 trial, the CAR T-cell therapy brexucabtagene autoleucel (brexu-cel) showed high and lasting response rates in similar patients with prior BTKi treatment.
  • - Comparing overall survival rates, brexu-cel significantly outperformed standard care across multiple statistical methods, indicating better survival outcomes for patients with R/R MCL after BTKi failure.
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Plasmablastic lymphoma (PBL) is a rare and aggressive non-Hodgkin lymphoma associated with immunodeficiency, characterized by uncertain treatment approaches and an unfavorable prognosis. We conducted a multicenter, international, retrospective cohort study, aiming to characterize the clinical features, risk factors, and outcomes of patients with PBL. Data were collected from 22 institutions across 4 countries regarding patients diagnosed with PBL between 1 January 1999 and 31 December 2020.

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The authors aimed to assess the impact of a family caregiver support intervention on caregiver burden and hospital readmission before and during the COVID-19 pandemic. By adopting a quasi-experimental design with no randomization, caregivers ( = 65) received a 90-day home visitation caregiver support intervention before the COVID-19 pandemic and caregivers ( = 41) received a 90-day phone-only visitation caregiver support intervention during the COVID-19 pandemic. Caregiver burden was collected in a survey, and hospital readmission of the care recipient was collected by hospital data.

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The primary analysis of MAGNOLIA, an open-label, single-arm, multicenter, phase 2 study, demonstrated that the next-generation Bruton tyrosine kinase (BTK) inhibitor zanubrutinib provided a high overall response rate (ORR) in patients with relapsed/refractory marginal zone lymphoma (R/R MZL), with a favorable safety/tolerability profile. Presented here, is the final analysis of MAGNOLIA, performed to characterize the durability of response and longer-term safety and tolerability. Zanubrutinib (160 mg twice daily) was evaluated in 68 patients with R/R MZL who had received at least 1 anti-CD20-directed regimen.

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Follicular lymphoma is the most common indolent lymphoma accounting for approximately 20%-25% of all new non-Hodgkin lymphoma diagnoses in western countries. Whilst outcomes are mostly favorable, the spectrum of clinical phenotypes includes high-risk groups with significantly inferior outcomes. This review discusses recent updates in risk stratification and treatment approaches from upfront treatment for limited and advanced stage follicular lymphoma to the growing options for relapsed, refractory disease with perspectives on how to approach this from a personalized lens.

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This study assessed the contribution of five genes previously known to be involved in cholestatic liver disease in British Bangladeshi and Pakistani people. Five genes (ABCB4, ABCB11, ATP8B1, NR1H4, TJP2) were interrogated by exome sequencing data of 5236 volunteers. Included were non-synonymous or loss of function (LoF) variants with a minor allele frequency < 5%.

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Background: Fibrotic interstitial lung disease (ILD) comprises a group of lung conditions that are often progressive, debilitating, and life-shortening. Ambulatory oxygen therapy (AOT) is regularly prescribed to manage symptoms in patients with fibrotic ILD. In our institution, the decision to prescribe portable oxygen is made on the basis of oxygen improving exercise capacity, measured with the single-blinded, crossover ambulatory oxygen walk test (AOWT).

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The expression of the drug efflux pump ABCB1 correlates negatively with cancer survival, making the transporter an attractive target for therapeutic inhibition. In order to identify new inhibitors of ABCB1, we have exploited the cryo-EM structure of the protein to develop a pharmacophore model derived from the best docked conformations of a structurally diverse range of known inhibitors. The pharmacophore model was used to screen the Chembridge compound library.

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