Publications by authors named "Fossa A"

Importance: The current standard-of-care salvage therapy in relapsed/refractory classic Hodgkin lymphoma (cHL) includes consolidation high-dose chemotherapy (HDCT)/autologous stem cell transplant (aSCT).

Objective: To investigate whether presalvage risk factors and fludeoxyglucose-18 (FDG) positron emission tomography (PET) response to reinduction chemotherapy can guide escalation or de-escalation between HDCT/aSCT or transplant-free consolidation with radiotherapy to minimize toxic effects while maintaining high cure rates.

Design, Setting, And Participants: EuroNet-PHL-R1 was a nonrandomized clinical trial that enrolled patients younger than 18 years with first relapsed/refractory cHL across 68 sites in 13 countries in Europe between January 2007 and January 2013.

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Article Synopsis
  • Peripheral T-cell lymphoma, not otherwise specified (PTCL-NOS) is a diverse and challenging type of cancer that often has poor outcomes, especially in younger patients lacking the SMARCB1 protein.
  • Research indicated that human and mouse PTCL-NOS exhibit similar DNA changes, including the hypermethylation of T-cell genes and the hypomethylation of myeloid development genes, contributing to a complicated tumor ecosystem.
  • A study found that histone deacetylase inhibitors (HDACi), like SAHA, can effectively treat PTCL-NOS by modifying the tumor's microenvironment and improving immune function, paving the way for potential combination therapies.
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Access to greenspace in the form of urban parks is frequently used to study the mental health benefits of nature and may alleviate depression. However, there is a lack of research that considers the different types of vegetated and non-vegetated spaces that parks can provide. Our aim was to investigate whether different types of accessible park area, grassy; tree covered; and non-vegetated, were associated with depressive symptoms among older (≥50 years) urban US adults.

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Few studies have considered household interventions for reducing endocrine disrupting chemical (EDC) exposures. We conducted a secondary analysis of a randomized controlled trial, originally designed to reduce lead exposure, to evaluate if the intervention lowered EDC exposures in young children. Study participants were children from the Cincinnati, Ohio area (n = 250, HOME Study).

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  • The IELSG37 trial investigated whether patients with primary mediastinal B-cell lymphoma (PMBCL) who have a complete metabolic response (CMR) after treatment can safely skip consolidation radiotherapy.
  • It was a randomized noninferiority study involving 545 patients, focusing on progression-free survival (PFS) over 30 months, with results showing high PFS rates of 96.2% for observation and 98.5% for radiotherapy.
  • The study concluded that avoiding irradiation does not negatively impact survival, highlighting positive outcomes for patients with CMR.
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Background And Purpose: There are few studies of personality traits in long-term Hodgkin lymphoma survivors (HLSs) treated according to contemporary stage-and risk-adapted approaches. The Distressed Personality (DP) Scale covers negative affectivity and social inhibition. We examined differences in self-reported late adverse effects (LAEs) between HLSs with and without DP and other explanatory variables.

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Objectives: In this six-year follow-up study, we used patient-reported outcome measures (PROMs) to compare values at baseline, at 18 months, and at six-year follow up from the CycloME and the RituxME trials.

Methods: Based on the hypothesis that ME/CFS in a subgroup of patients is a variant of an autoimmune disease, we performed two clinical trials between 2014 and 2017. The RituxME trial was a randomized, double-blind and placebo-controlled phase III trial of 151 patients, assessing the B-cell depleting antibody rituximab.

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Background: Intensified systemic chemotherapy has the highest primary cure rate for advanced-stage, classical Hodgkin lymphoma but this comes with a cost of severe and potentially life long, persisting toxicities. With the new regimen of brentuximab vedotin, etoposide, cyclophosphamide, doxorubicin, dacarbazine, and dexamethasone (BrECADD), we aimed to improve the risk-to-benefit ratio of treatment of advanced-stage, classical Hodgkin lymphoma guided by PET after two cycles.

Methods: This randomised, multicentre, parallel, open-label, phase 3 trial was done in 233 trial sites across nine countries.

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  • Hypodense volumes (HDV) in mediastinal masses were identified in 29.7% of Hodgkin lymphoma patients analyzed from a study involving 1178 staging CT scans.
  • These HDVs were predominantly found in larger tumor volumes and exhibited various patterns, including single lesions in 69.4% of cases and well delineated lesions in 70.1% of cases.
  • Patients with HDV displayed more severe symptoms and had a lower 5-year progression-free survival rate (79.6% for HDV > 40 ml) compared to those with lower HDV levels, indicating a potential connection between HDV presence and poorer prognosis in Hodgkin lymphoma.
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Purpose: Patients diagnosed with advanced-stage Hodgkin lymphoma (aHL) have historically been risk-stratified using the International Prognostic Score (IPS). This study investigated if a machine learning (ML) approach could outperform existing models when it comes to predicting overall survival (OS) and progression-free survival (PFS).

Patients And Methods: This study used patient data from the Danish National Lymphoma Register for model development (development cohort).

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Objective: To determine if firearm ownership is positively related to elevated child lead levels at a state-level, even when accounting for other sources of lead.

Study Design: For this cross-sectional ecological study, we investigated whether household firearm ownership rates (a proxy for firearm-related lead exposure) was associated with the prevalence of elevated child blood lead levels in 44 US States between 2012 and 2018. To account for potential confounding, we adjusted for other known lead exposures, poverty rate, population density, race, and calendar year.

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  • New lung lesions were identified in 9.2% of pediatric Hodgkin lymphoma patients after two chemotherapy cycles, indicating that these may not be related to cancer progression.
  • The study utilized interim CT scans to differentiate between true lung metastases and benign lung lesions, using guidelines from the Fleischner glossary for classification.
  • Most newly detected pulmonary nodules were small (under 10 mm) and often regressed by the time of later evaluations, suggesting they were likely not harmful manifestations associated with the original lymphoma.
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Purpose: Chronic fatigue (CF) affects 25-30% of lymphoma survivors, but interventions designed to reduce fatigue are lacking. The main aim of this study was to test the feasibility of a multidimensional intervention study in lymphoma survivors with CF. Secondary aims were to describe individual changes in fatigue, quality of life (QoL) and physical performance from pre (T0) to post (T1) intervention.

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Background And Aim: Residential greenspace could alleviate depression - a leading cause of disability. Fewer studies of depression and greenspace have considered major depression, and, to our knowledge, none have considered how climate, which determines vegetation abundance and type, may change the impacts of greenspace. Our aim was to investigate whether residential greenspace is associated with major depression among older adults and explore effect modification by climate.

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JCO We analyzed long-term results of the response-adapted trial for adult patients with advanced-stage Hodgkin lymphoma. The aim was to confirm noninferiority of treatment de-escalation by omission of bleomycin from doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) for interim fluorodeoxyglucose positron emission tomography (iPET)-negative patients and assess efficacy and long-term safety for iPET-positive patients who underwent treatment intensification with escalated bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisolone (BEACOPP/BEACOPP14). The median follow-up is 7.

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Elderly Hodgkin lymphoma (HL) patients are poorly characterized and under-represented in studies. In this national population- based study, we investigated cause-specific survival using competing-risk analysis in elderly HL patients compared to the normal population. Patients ≥60 years of age diagnosed between 2000-2015 were identified by the Cancer Registry of Norway, and records were reviewed in detail and compared to data from the Norwegian Cause of Death Registry for patients and cancer-free controls.

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Background: The aim of this study was to characterize the prevalence of self-reported adverse health outcomes (AHOs), track changes in AHOs, and examine their impact on health-related quality of life (HrQoL) in testicular cancer survivors (TCSs) who were diagnosed between 1980 and 1994. These assessments were conducted during two survey waves (SWs), with the first occurring ∼12 years after surgery-only or platinum-based chemotherapy (PBCT), and the second ∼28 years after initial treatment. The study primarily focused on 'typical AHOs', which included Peripheral Sensory Neuropathy (PSN), Raynaud's phenomenon, Tinnitus, and Hearing loss.

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We investigated whether adding gastropexy to sleeve gastrectomy (SG) reduced gastroesophageal reflux disease (GERD) in patients operated for severe obesity, assessed mainly by use of anti-reflux medication (ARM) and second operations due to GERD worsening. In a prospective non-randomized study, patients undergoing SG at two Norwegian hospitals were included from 2011 to 2015 and followed for 7 years. GERD was defined by regular use of ARM, and epigastric pain and heartburn were measured by the Rome II questionnaire.

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Purpose: We studied work-related issues in long-term survivors of Hodgkin lymphoma [HLSs] who had undergone treatment according to contemporary stage risk-adapted approaches. At survey, work changes and problems since diagnosis, comparisons of HLSs with low/moderate versus high work ability, associations between work issues, and late adverse effects [LAEs] were examined.

Methods: This cross-sectional questionnaire-based study included HLSs treated from 1997 to 2006 and alive at the end of 2016.

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  • A study analyzed reproductive patterns in survivors of non-Hodgkin lymphoma (NHL) aged 18-40, revealing conflicting results in previous research and the need for subtype-specific findings.
  • Patients with aggressive lymphoma had significantly lower childbirth rates within the first 3 years post-diagnosis compared to matched population comparators, while those with indolent lymphoma didn’t show a significant difference.
  • Over a 10-year period, childbirth rates for aggressive NHL patients remained lower overall, highlighting the need for fertility counseling, especially for those diagnosed with aggressive subtypes.
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Background: Rebound thymic hyperplasia (RTH) is a common phenomenon caused by stress factors such as chemotherapy (CTX) or radiotherapy, with an incidence between 44% and 67.7% in pediatric lymphoma. Misinterpretation of RTH and thymic lymphoma relapse (LR) may lead to unnecessary diagnostic procedures including invasive biopsies or treatment intensification.

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High-dose chemotherapy with autologous stem cell transplantation (HDT-ASCT) is the preferred treatment option in relapsed or refractory Hodgkin lymphoma (HL). We analyzed the association between treatment intensity and health-related quality of life (HRQoL), depressive symptoms, and chronic fatigue (CF) in long-term survivors of HL (HLS), identified in two population-based national cross-sectional studies on late adverse effects. We included 375 HLS treated between 1987 and 2006, 264 with conventional therapy only, and 111 with HDT-ASCT.

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Childbirth rates in classical Hodgkin lymphoma (cHL) survivors have historically been reduced compared to the general population. Understanding if contemporary treatment protocols are associated with reduced fertility is crucial as treatment guidelines shift toward more liberal use of intensive chemotherapy. We identified 2834 individuals aged 18-40 years with cHL in Swedish and Danish lymphoma registers, and in the clinical database at Oslo University Hospital diagnosed 1995-2018, who were linked to national medical birth registers.

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