Publications by authors named "Marten Nijziel"

Objective: To determine the incidence of clinical and subclinical venous thromboembolic events (VTE) in patients with locally advanced cervical cancer (LACC) treated with high-dose thromboprophylaxis during definitive chemoradiation and brachytherapy.

Methods: A prospective observational study was undertaken from August 2021 to December 2023 in patients with primary LACC treated with definitive chemoradiation in two Dutch tertiary hospitals. Patients received high-dose thromboprophylaxis during chemoradiation and brachytherapy.

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Purpose: To investigate health care utilization among patients with hematologic malignancies and its association with socioeconomic position (SEP) and compare health care utilization with a cancer-free population.

Methods: Patients with aggressive lymphoma, indolent lymphoma, or multiple myeloma (MM), diagnosed between 1999-2010 and 2015-2019, participated in longitudinal patient-reported outcome research, up to 11 years post-diagnosis. Questionnaires assessed health care utilization at the general practitioner (GP), medical specialist, and additional health care.

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With the increasing prevalence of comorbidity in an ageing population, it is crucial to better understand the impact of comorbidity on health-related quality of life (HRQoL) after lymphoma or multiple myeloma (MM) diagnosis. We included 261 newly diagnosed patients (67% response rate) diagnosed with lymphoma or MM between October 2020 and March 2023 in a longitudinal survey. The European Organisation for Research and Treatment of Cancer (EORTC) questionnaires were used to measure generic and disease-specific HRQoL.

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Purpose: Female Hodgkin lymphoma (HL) survivors treated with chest radiotherapy (RT) at a young age have a strongly increased risk of breast cancer (BC). Studies in childhood cancer survivors have shown that doxorubicin exposure may also increase BC risk. Although doxorubicin is the cornerstone of HL chemotherapy, the association between doxorubicin and BC risk has not been examined in HL survivors treated at adult ages.

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Purpose: To investigate the proportion of patients with lymphoma with persistent clinically relevant cognitive impairment, and its relation to  treatment, fatigue, and psychological distress.

Methods: Patients with diffuse-large-B-cell-lymphoma (DLBCL), follicular-lymphoma (FL), and chronic-lymphocytic-leukemia (CLL)/small-lymphocytic-lymphoma (SLL), diagnosed between 2004-2010 or 2015-2019, were followed up to 8 years post-diagnosis. Sociodemographic and clinical data were obtained from the Netherlands Cancer Registry and the Population-based HAematological Registry for Observational Studies.

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Female survivors of Hodgkin lymphoma (HL) treated with chest radiotherapy have a strongly increased risk of breast cancer (BC), but the treatment-specific BC risk in male survivors of HL has not been evaluated. We assessed BC risk in a cohort of 3077 male survivors of 5-year HL treated at age ≤51 years in 20 Dutch hospitals between 1965 and 2013. We estimated standardized incidence ratios (SIRs), absolute excess risks per 10 000 person-years, and cumulative BC incidences.

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Article Synopsis
  • Hodgkin lymphoma (HL) survivors who receive chest radiotherapy are at greater risk for developing breast cancer (BC) and facing additional cardiovascular disease (CVD) complications.
  • A study comparing BC patients with prior HL treatment to those with no prior HL showed that the former received less aggressive cancer treatments and had significantly higher mortality rates.
  • The findings indicate that clinicians should consider the increased risk of CVD and poorer BC outcomes when treating HL survivors who develop breast cancer.
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All irreversible Bruton tyrosine kinase (Btk) inhibitors including ibrutinib and acalabrutinib induce platelet dysfunction and increased bleeding risk. New reversible Btk inhibitors were developed, like MK-1026. The mechanism underlying increased bleeding tendency with Btk inhibitors remains unclear.

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Article Synopsis
  • - The management of chronic lymphocytic leukemia (CLL) is evolving due to new therapies and advancements in treatment options, prompting a revision of Dutch guidelines.
  • - The updated guidelines from the HOVON CLL working group emphasize evidence from clinical trials, focusing on factors like efficacy, toxicity, treatment duration, and intensity.
  • - The article offers recommendations on diagnosing CLL, treatment strategies for both newly diagnosed and relapsed patients, and supportive care for complications related to the disease, tailored to current treatment availability in the Netherlands.
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Little is known about the long-term health-related quality of life (HRQoL) and persistence of symptoms among patients with indolent non-Hodgkin lymphoma (iNHL). This large population-based longitudinal study therefore investigated the long-term HRQoL and persistence of symptoms and identified associated sociodemographic, clinical and psychological factors. Patients diagnosed between 1999 and 2014 and four or more months after diagnosis were invited to participate in a longitudinal survey.

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Background: There has been a cultural shift toward patient engagement in health, with a growing demand from patients to access their results.

Objective: The Lymphoma Intervention (LIVE) trial is conducted to examine the impact of return of individual patient-reported outcome (PRO) results and a web-based self-management intervention on psychological distress, self-management, satisfaction with information, and health care use in a population-based setting.

Methods: Return of PRO results included comparison with age- and sex-matched peers and was built into the Patient-Reported Outcomes Following Initial Treatment and Long-Term Evaluation of Survivorship registry.

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Treatment results of AML in elderly patients are unsatisfactory. We hypothesized that addition of tosedostat, an aminopeptidase inhibitor, to intensive chemotherapy may improve outcome in this population. After establishing a safe dose in a run-in phase of the study in 22 patients, 231 eligible patients with AML above 65 years of age (median 70, range 66-81) were randomly assigned in this open label randomized Phase II study to receive standard chemotherapy (3+7) with or without tosedostat at the selected daily dose of 120 mg ( = 116), days 1-21.

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Background: In premenopausal women, treatment with direct oral factor Xa inhibitors is associated with an increased risk of heavy menstrual bleeding (HMB) compared with vitamin K antagonists (VKA). Treatment with the direct oral thrombin inhibitor dabigatran appears to be associated with a reduced risk of HMB compared with VKA. These findings come from small observational studies or post hoc analyses of trials in which HMB was not a primary outcome.

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Article Synopsis
  • A large cohort study involving 4,919 Hodgkin lymphoma (HL) patients treated before age 51 revealed significant long-term mortality risks and treatment-related morbidity, with a notable 5.1-fold increase in deaths from non-HL causes.
  • After 40 years, HL survivors had a cumulative mortality rate from non-HL causes similar to that of average 71-year-olds in the general population, indicating a major health concern for long-term survivors.
  • The study highlighted that while treatments from 1989-2000 resulted in lower cardiovascular disease mortality compared to earlier periods, specific treatment approaches, like chemotherapy alone for stage I-II, showed higher HL mortality but lower overall mortality from other causes compared to radiation treatments.
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Introduction: The novel Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has emerged early December 2019 and was recently confirmed by the World Health Organization (WHO) to be a public health emergency of international concern. Earlier reports have shown coagulopathy in patients with severe coronavirus disease 2019 (Covid-19).

Main Symptoms And Important Clinical Findings: We present four critically ill Covid-19 patients, who were admitted to our hospital.

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Venous thromboembolism (VTE) seems to be an underdiagnosed complication in COVID-19 patients. We present three male patients, aged 67, 29 and 71 years, who were admitted to the hospital with COVID-19. They all showed deterioration in the course of their disease caused by VTE.

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Background: Randomized controlled trials (RCTs) often provide accurate estimates of the internal validity of an intervention but lack information on external validity (generalizability). We conducted an RCT on the effectiveness of a self-management intervention among patients with lymphoma in a population-based setting.

Objective: The objectives of the current study were to describe the proportion of RCT participants compared to all patients invited to participate, and compare sociodemographic and clinical characteristics of RCT participants with all respondents, all patients invited to participate, and all patients selected from the Netherlands Cancer Registry (NCR) to determine the reach of the intervention.

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In recent years, considerable progress has been made in frontline therapy for elderly/physically unfit patients with CLL. The combination of obinutuzumab and chlorambucil (O-Clb) has been shown to prolong progression free survival (PFS, median PFS-31.5 months) and overall survival (OS) compared to chlorambucil alone.

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Aim: There is accumulating evidence that neutropenic patients require higher dosages of vancomycin. To prevent sub-therapeutic drug exposure, it is of utmost importance to obtain adequate exposure from the first dose onwards. We aimed to quantify the effect of neutropenia on the pharmacokinetics of vancomycin.

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Introduction: Bleeding assessment tools and laboratory phenotyping often remain inconclusive in patients with a haemorrhagic diathesis.

Aim: To describe the phenotype and genetic profile of patients with a bleeding tendency.

Methods: Whole exome sequencing (WES) was incorporated in the routine diagnostic pathway of patients with thrombocytopenia (n = 17), platelet function disorders (n = 19) and an unexplained bleeding tendency (n = 51).

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Some comorbidities, such as hypertension, are associated with higher von Willebrand factor (VWF) levels in the general population. No studies have been conducted to assess this association in patients with von Willebrand disease (VWD). Therefore, we studied this association in patients with type 1 (n = 333) and type 2 (n = 203) VWD from the 'WiN" study.

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We present a rare case of acquired von Willebrand syndrome (AVWS) caused by a mantle cell lymphoma. A 61-year-old male suffered from recurrent bleeding symptoms since a few months. Initially, physical examination was normal.

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TMPRSS6 variants that affect protein function result in impaired matriptase-2 function and consequently uninhibited hepcidin production, leading to iron refractory iron deficiency anemia (IRIDA). This disease is characterized by microcytic, hypochromic anemia and serum hepcidin values that are inappropriately high for body iron levels. Much is still unknown about its pathophysiology, genotype-phenotype correlation, and optimal clinical management.

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Background: The purpose of this study was  to identify demographic, clinical, psychosocial, physical and environmental factors that are associated with participation in and adherence to a combined resistance and endurance exercise program among cancer survivors, shortly after completion of primary cancer treatment. Data from the randomized controlled Resistance and Endurance exercise After ChemoTherapy (REACT) study were used for this study.

Methods: The participants of the REACT study were randomly allocated to either a high intensity (HI) or low-to-moderate intensity (LMI) exercise program.

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