Claire Dearden

ORCID: 0000-0001-7615-0468
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About
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Research Areas
  • Chronic Lymphocytic Leukemia Research
  • Lymphoma Diagnosis and Treatment
  • Immunodeficiency and Autoimmune Disorders
  • Viral-associated cancers and disorders
  • T-cell and Retrovirus Studies
  • Acute Lymphoblastic Leukemia research
  • Cutaneous lymphoproliferative disorders research
  • Advanced Breast Cancer Therapies
  • Cancer Genomics and Diagnostics
  • Immune Cell Function and Interaction
  • Glycosylation and Glycoproteins Research
  • Chronic Myeloid Leukemia Treatments
  • Cancer-related Molecular Pathways
  • Acute Myeloid Leukemia Research
  • CAR-T cell therapy research
  • Toxin Mechanisms and Immunotoxins
  • Monoclonal and Polyclonal Antibodies Research
  • PI3K/AKT/mTOR signaling in cancer
  • Lung Cancer Treatments and Mutations
  • Genetic factors in colorectal cancer
  • Biochemical and Molecular Research
  • Retinoids in leukemia and cellular processes
  • Genomic variations and chromosomal abnormalities
  • Fungal Infections and Studies
  • CNS Lymphoma Diagnosis and Treatment

Royal Marsden NHS Foundation Trust
2015-2024

Daresbury Laboratory
2024

Institute of Cancer Research
2010-2023

Royal Marsden Hospital
2013-2022

Royal Ottawa Mental Health Centre
2006-2022

Cancer Research UK
2011-2019

Bladder Cancer Advocacy Network
2014

Integra (United States)
2014

National Health Service
2007-2012

Royal Liverpool and Broadgreen University Hospital NHS Trust
2012

TP53 mutations have been described in chronic lymphocytic leukemia (CLL) and associated with poor prognosis retrospective studies. We aimed to address the frequency prognostic value of abnormalities patients CLL context a prospective randomized trial.We analyzed 529 samples from LRF CLL4 (Leukaemia Research Foundation Chronic Lymphocytic Leukemia 4) trial (chlorambucil v fludarabine or without cyclophosphamide) at time random assignment for gene. mutation status was correlated response...

10.1200/jco.2010.32.0838 article EN Journal of Clinical Oncology 2011-04-12

This is a pivotal, multicenter, open-label study of moxetumomab pasudotox, recombinant CD22-targeting immunotoxin, in hairy cell leukemia (HCL), rare B malignancy with high CD22 expression. The enrolled patients relapsed/refractory HCL who had ≥2 prior systemic therapies, including ≥1 purine nucleoside analog. Patients received pasudotox 40 µg/kg intravenously on days 1, 3, and 5 every 28 for ≤6 cycles. Blinded independent central review determined disease response minimal residual (MRD)...

10.1038/s41375-018-0210-1 article EN cc-by Leukemia 2018-07-20

We report long-term follow-up from the RESONATE-2 phase 3 study of once-daily Bruton's tyrosine kinase inhibitor ibrutinib, which is only targeted therapy with significant progression-free survival (PFS) and overall (OS) benefit in multiple randomized chronic lymphocytic leukemia (CLL) studies. Patients (≥65 years) previously untreated CLL, without del(17p), were randomly assigned 1:1 to ibrutinib 420 mg until disease progression/unacceptable toxicity (n = 136) or chlorambucil 0.5-0.8 mg/kg...

10.1182/bloodadvances.2021006434 article EN cc-by-nc-nd Blood Advances 2022-04-04

Summary Hairy cell leukaemia (HCL) was first described 50 years ago. Median survival then 4 years. The purine analogues, introduced in the 1980s, transformed this prognosis. We reviewed data retrospectively from 233 patients, treated with pentostatin ( n = 188) or cladribine 45), to investigate current long‐term outlook. follow‐up 16 There were no significant differences outcome between two agents. Overall, complete response (CR) rate 80% and median relapse‐free After relapse 79)...

10.1111/j.1365-2141.2009.07668.x article EN British Journal of Haematology 2009-03-30

To assess the results of treatment with purine analog 2'deoxycoformycin (pentostatin [DCF]) in patients postthymic T-cell malignancies.One hundred forty-five malignancies were given DCF intravenously at 4 mg/m2/wk for first weeks and then every 2 until maximal response; last 30 received weekly injections response.The overall response rate was 32% (complete responses [CRs] plus partial [PRs]), marked variation according to diagnosis. The best occurred Sézary syndrome (62%) T-prolymphocytic...

10.1200/jco.1994.12.12.2588 article EN Journal of Clinical Oncology 1994-12-01

The majority of disease-specific complications in chronic lymphocytic leukemia (CLL), notably infection and autoimmunity, relate to the underlying alterations immune function. Both cellular humoral immunity are impaired with qualitative quantitative defects B cells, T NK neutrophils monocyte/macrophage lineage. Virtually all patients have reduced immunoglobulin levels, even early stages, this is associated an increased frequency severity infection. Although prophylactic intravenous may be...

10.1182/asheducation-2008.1.450 article EN Hematology 2008-01-01

10.1182/blood-2012-01-380139 article EN Blood 2012-05-31

Purpose In chronic lymphocytic leukemia (CLL), TP53 deletion/mutation is strongly associated with an adverse outcome and resistance to chemotherapy-based treatment. contrast, defects are not the anti-CD52 monoclonal antibody alemtuzumab or methylprednisolone. attempt improve treatment of TP53-defective CLL, a multicenter phase II study was developed evaluate methylprednisolone in combination. Patients Methods Thirty-nine patients TP53-deleted CLL (17 untreated 22 previously treated) received...

10.1200/jco.2011.35.9695 article EN Journal of Clinical Oncology 2012-04-10

The guideline group was selected to be representative of UK based medical experts and patients representatives. Recommendations are on a review the literature using Medline/Pubmed searches under heading, chronic lymphocytic leukaemia, up August 2011, data presented at American Society Haematology in 2011. writing produced draft guideline, which subsequently revised by consensus members Haemato-oncology Task Force British Committee for Standards (BCSH). then reviewed sounding board...

10.1111/bjh.12067 article EN British Journal of Haematology 2012-10-11
Philip Law Sonja I. Berndt Helen E. Speedy Nicola J. Camp Georgina P. Sava and 92 more C.F. Skibola Amy Holroyd Joseph Vijai Nicola J. Sunter Alexandra Nieters Sı́lvia Beà Alain Monnereau David Martin‐García Lynn R. Goldin Guillem Clot Lauren R. Teras Inés Quintela Brenda M. Birmann Sandrine Jayne Wendy Cozen Aneela Majid Karin E. Smedby Qing Lan Claire Dearden Angela Brooks‐Wilson Emma A. Hall Mark P. Purdue Tryfonia Mainou‐Fowler Claire M. Vajdic Graham Jackson Pierluigi Cocco Helen Marr Yawei Zhang Tongzhang Zheng Graham G. Giles Charles Lawrence Timothy G. Call Mark Liebow Mads Melbye Bengt Glimelius Larry Mansouri Martha Glenn Karen Curtin W. Ryan Diver Brian K. Link Lucía Conde Paige M. Bracci Elizabeth A. Holly Rebecca D. Jackson Lesley F. Tinker Yolanda Benavente Paolo Boffetta Paul Brennan Marc Maynadie James McKay Demetrius Albanes Stephanie J. Weinstein Zhaoming Wang Neil E. Caporaso Lindsay M. Morton Richard K. Severson Elio Ríboli Paolo Vineis Roel Vermeulen Melissa C. Southey Roger L. Milne Jacqueline Clavel Sabine Topka John J. Spinelli Peter Kraft Maria Grazia Ennas Geoffrey Summerfield Giovanni Maria Ferri Robert J. Harris Lucia Miligi Andrew R. Pettitt Kari E. North David Allsup Joseph F. Fraumeni James R Bailey Kenneth Offit Guy Pratt Henrik Hjalgrim Chris Pepper Stephen J. Chanock Chris Fegan Richard Rosenquist Sílvia de Sanjosé Ángel Carracedo Martin J.S. Dyer Daniel Catovsky Elı́as Campo James R. Cerhan James M. Allan Nathanial Rothman Richard S. Houlston Susan L. Slager

Abstract Several chronic lymphocytic leukaemia (CLL) susceptibility loci have been reported; however, much of the heritable risk remains unidentified. Here we perform a meta-analysis six genome-wide association studies, imputed using merged reference panel 1,000 Genomes and UK10K data, totalling 6,200 cases 17,598 controls after replication. We identify nine at 1p36.11 (rs34676223, P =5.04 × 10 −13 ), 1q42.13 (rs41271473, =1.06 −10 4q24 (rs71597109, =1.37 4q35.1 (rs57214277, =3.69 −8 6p21.31...

10.1038/ncomms14175 article EN cc-by Nature Communications 2017-02-06

Moxetumomab pasudotox is a recombinant CD22-targeting immunotoxin. Here, we present the long-term follow-up analysis of pivotal, multicenter, open-label trial (NCT01829711) moxetumomab in patients with relapsed/refractory (R/R) hairy cell leukemia (HCL).Eligible had received ≥ 2 prior systemic therapies, including purine nucleoside analogs (PNAs), or 1 PNA followed by rituximab BRAF inhibitor. Patients 40 µg/kg intravenously on Days 1, 3, and 5 each 28-day cycle for up to six cycles. Disease...

10.1186/s13045-020-01004-y article EN cc-by Journal of Hematology & Oncology 2021-02-24
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