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Marcel Nijland
dr.

I work as a hematologist and my main focus is on patients with aggressive B-cell lymphomas and CNS lymphomas. My research is centered on the application of novel diagnostic and therapeutic strategies into clinical trials. These include imaging-studies like 18F-FDG-PET, Zr-Brentuximab-PET and Zr-atezolizumab-PET. In addition, I aim to implement novel strategies to measure minimal residual disease, and prognostic gene expression profiles in DLBCL. Linked to this I also focus on mutational analysis to study clonal evolution and prognostic / predictive values of mutations. These studies are carried out in a close collaboration with HOVON and other departments in the UMCG.

Impact of Rituximab Maintenance on Survival in Patients with Mantle Cell Lymphoma; a Population-based Cohort Study
Published in: Blood Advances
Newly diagnosed mantle cell lymphoma (MCL) is commonly treated with rituximab (R) combined with anthracycline-based chemotherapy, with or without autologous stem-cell transplantation (ASCT). While rituximab maintenance (RM) in clinical trials has been shown to prolong overall survival (OS), its impact at population level remains largely unknown. This study evaluates the effect of RM on outcome of patients with MCL. Patients aged ≥18 years diagnosed with MCL between 1989-2020 were identified using the Netherlands Cancer Registry, and categorized into periods reflecting R and RM implementation (1989-2000, 2001-2014, 2015-2020). Treatment...
Floriske G Stedema, Mirian Brink, Francien Huisman, Rozemarijn Van Rijn, Aniko Sijs-Szabo, Inger S Nijhof, Arjan Diepstra, Vibeke K J Vergote, Gwendolyn van Gorkom, Thijs W H Flinsenberg, Gerwin A Huls, Tom van Meerten, Jeanette Doorduijn, Wouter J Plattel, Marcel Nijland
Safety and efficacy of currently used drug therapies for treatment of lymphomas in patients with Sjögren’s disease, a scoping review
Published in: Expert Opinion on Drug Safety
INTRODUCTION: Sjögren’s disease (SjD) carries an increased risk of B-cell lymphoma, yet drug treatment strategies are largely extrapolated from general lymphoma care. This study summarizes available evidence on the efficacy and safety of drug therapies in SjD-associated lymphomas. AREAS COVERED: A PubMed and Embase search (January 1995-August 2025) identified studies evaluating the efficacy and safety of pharmacologic treatment for SjD-associated non-Hodgkin B-cell lymphomas (English language, ≥5 patients). Rituximab (anti-CD20) monotherapy achieved reliable early disease control in localized, low-burden lymphoma with limited toxicity. In more disseminated or aggressive lymphoma...
Real-World Outcomes of High Dose Melphalan and Autologous Stem Cell Transplantation in Patients With Multiple Myeloma Older and Younger Than 65 Years
Published in: Clinical lymphoma, myeloma & leukemia
BACKGROUND: High dose chemotherapy followed by autologous stem cell transplantation (HDT/ASCT) remains the preferred consolidation strategy for patients with newly diagnosed multiple myeloma (MM). While its use has expanded to patients over 65 years (> 65), few studies have compared real-world outcomes to younger patients. PATIENTS AND METHODS: This retrospective cohort study included patients with MM who received first line HDT/ASCT between 2013 and 2022 at a large tertiary referral center in The Netherlands. We compared outcomes between patients > 65 years and 65 years or younger (≤...
Dynamics of circulating tumour DNA in relapsed/refractory diffuse large B-cell lymphoma patients
Published in: British Journal of Haematology
The response to salvage chemotherapy in relapsed/refractory (R/R) diffuse large B-cell lymphoma (DLBCL) is poor, and data on circulating tumour deoxyribonucleic acid (ctDNA) in this setting are limited. We evaluated ctDNA dynamics in 29 patients with relapsed or refractory DLBCL who received platinum-based salvage chemotherapy at the University Medical Center Groningen. In total, 124 plasma samples were analysed using low-coverage whole-genome sequencing to detect copy number alterations (CNAs) and targeted sequencing with a 115-gene panel for single- and multi-nucleotide variants (SNVs/MNVs). The complete response rate at the end...
Yujie Zhong, Johanna Bult, Nick Veltmaat, Filipe Montes de Jesus, Laurens Sillje, Joost Kluiver, Anke van den Berg, Wouter Plattel, Arjan Diepstra, Marcel Nijland
Prospective Validation of Circulating Tumor DNA Measurable Residual Disease After First-Line Therapy in Large B-Cell Lymphoma
Published in: Journal of Clinical Oncology
PURPOSE  End-of-treatment (EOT) response evaluation by positron emission tomography (PET) remains suboptimal in patients with large B-cell lymphoma (LBCL), because of its limited positive predictive value (PPV). Circulating tumor DNA (ctDNA)—based measurable residual disease (MRD) detection offers a minimally invasive approach and may improve prognostication. We prospectively evaluated EOT MRD using phased variant enrichment and detection sequencing (PhasED-Seq) in patients with first-line LBCL. METHODS – Patients were enrolled in the HOVON-902 prospective cohort and received curative-intent first-line treatment. Phased variants (PVs) were identified and tracked using tumor biopsies or...
Steven Wang, Marcel Nijland, Leonie Strobbe, Margriet Oosterveld, Rinske Boersma, Harry Koene, Clara Klerk, Eva de Jongh, Ad Koster, Hans Pruijt, Marjolein van der Poel, Erik van Werkhoven, Helma Zanders, Avinash Dinmohamed, Michiel Pegtel, Stephanie Meek, Sierra Love Stowell, Hayley Warinske, Ash A. Alizadeh, David M. KurtzMartine E.D. Chamuleau