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Stepanishyna Y, Meunier F, Bron D. Survivorship after Hodgkin lymphoma and the right to be forgotten. Curr Opin Oncol 2024; 36:360-368. [PMID: 39007329 DOI: 10.1097/cco.0000000000001072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
PURPOSE OF REVIEW The significantly improved survivorship in Hodgkin lymphoma is fraught with challenges, including persistent symptoms, secondary health complications, and socio-professional obstacles. This review highlights the need for comprehensive survivorship care plans that include detection of relapse, assessment of long-term side effects, screening for secondary cancers, psychological support, and assistance with socio-professional integration. RECENT FINDINGS Cardiovascular diseases, secondary malignancies and other associated risks remains an important problem related to the effective treatment of patients with Hodgkin lymphoma. Furthermore, fertility concerns and endocrine disorders remain prevalent issues posttreatment. An optimal evaluation of the risks before and after treatment is essential to reduce the impact of these side effects on quality of life. Addressing the socio-professional reintegration of survivors, the concept of the 'Right to be forgotten' emerges as a critical consideration. This principle seeks to eliminate discrimination against cancer survivors in accessing financial services and aims for legislative changes to ensure that past cancer diagnosis does not unfairly affect survivors' futures. Implementation of this 'Right to be forgotten' in the legislature, is currently underway in European countries. SUMMARY The focus of survivorship care has shifted towards the holistic management of these long-term outcomes. Quality of life for Hodgkin lymphoma survivors is affected by various treatment-related factors, with evidence suggesting that physical, psychological and socio-professional domains remain impacted years after treatment.
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Affiliation(s)
| | - Françoise Meunier
- Founder of Ending discrimination against cancer survivors project, Brussels, Belgium
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2
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Gates P, Dhillon HM, Krishnasamy M, Wilson C, Gough K. Cancer-related cognitive impairment and wellbeing in patients with newly diagnosed aggressive lymphoma compared to population norms and healthy controls: an exploratory study. Support Care Cancer 2024; 32:238. [PMID: 38512692 PMCID: PMC10957702 DOI: 10.1007/s00520-024-08441-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 03/15/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE There has been little dedicated research on cancer-related cognitive impairment in patients with aggressive lymphoma. We describe and compare patients' cognitive function with that of healthy controls and patients' wellbeing and distress with general population values. We also explore associations between patients' neuropsychological test performance and self-reported cognitive function and distress. METHODS Secondary analysis of data from a feasibility study of 30 patients with newly diagnosed aggressive lymphoma and 72 healthy controls. Patients completed neuropsychological tests and self-report measures before and 6-8 weeks after chemotherapy. Healthy controls completed neuropsychological tests and the FACT-Cog at enrolment and 6 months later. Mixed models were used to analyze neuropsychological test and FACT-Cog scores. One-sample t-tests were used to compare patients' self-reported wellbeing and distress with population norms. Associations were explored with Kendall's Tau b. RESULTS Patients and healthy controls were well matched on socio-demographics. Differences between neuropsychological test scores were mostly large-sized; on average, patients' scores on measures of information processing speed, executive function, and learning and memory were worse both before and after chemotherapy (all p ≤ 0.003). The same pattern was observed for impact of perceived cognitive impairment on quality-of-life (both p < 0.001). Patients' physical and emotional wellbeing scores were lower than population norms both before and after chemotherapy (all p ≤ 0.018). Associations between neuropsychological performance and other measures were mostly trivial (all p > 0.10). CONCLUSION For many patients with aggressive lymphoma, impaired neuropsychological test performance and impact of perceived impairments on quality-of-life precede chemotherapy and are sustained after chemotherapy. Findings support the need for large-scale longitudinal studies with this population to better understand targets for interventions to address cognitive impairments.
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Affiliation(s)
- Priscilla Gates
- Cognitive Neuroscience Lab, School of Psychology, Deakin University, Burwood, Victoria, Australia.
- Department of Clinical Haematology, Austin Health, Melbourne, Victoria, Australia.
- Department of Nursing, Faculty of Medicine, Dentistry & Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.
- Health Services Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
| | - Haryana M Dhillon
- Faculty of Science, School of Psychology, Centre for Medical Psychology & Evidence-Based Decision-Making, The University of Sydney, Sydney, NSW, Australia
| | - Mei Krishnasamy
- Department of Nursing, Faculty of Medicine, Dentistry & Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
- Health Services Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Carlene Wilson
- Olivia Newton-John Cancer Wellness and Research Centre, Austin Health, Melbourne, Victoria, Australia
- School of Psychology and Public Health, LaTrobe University, Melbourne, Victoria, Australia
- Faculty of Medicine, Dentistry & Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Karla Gough
- Department of Nursing, Faculty of Medicine, Dentistry & Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
- Health Services Research, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
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3
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Tometich DB, Welniak T, Gudenkauf L, Maconi ML, Fulton HJ, Martinez Tyson D, Zambrano K, Hasan S, Rodriguez Y, Bryant C, Li X, Reed DR, Oswald LB, Galligan A, Small BJ, Jim HSL. "I couldn't connect the wires in my brain." Young adult cancer survivors' experience with cognitive functioning. Psychooncology 2024; 33:e6309. [PMID: 38420860 PMCID: PMC11249037 DOI: 10.1002/pon.6309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/20/2024] [Accepted: 02/11/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVE There is a dearth of literature describing young adult (YA) cancer survivors' experiences with cancer-related cognitive impairment (CRCI). We aimed to elucidate CRCI among YA cancer survivors and identify potentially modifiable risk factors. METHODS We conducted individual qualitative interviews with YA cancer survivors aged 18-30 years at study enrollment and used applied thematic analysis to identify themes across three topics (i.e., affected cognitive abilities, risk and protective factors influencing the impact of CRCI, and strategies for coping with CRCI). RESULTS YA cancer survivors (N = 20) were, on average, 23 years old at diagnosis and 26 years old when interviewed. Diverse cancer types and treatments were represented; most participants (85%) had completed cancer treatment. Participants described experiences across three qualitative topics: (1) affected cognitive abilities (i.e., concentration and attention, prospective memory, and long-term memory), (2) Risk factors (i.e., fatigue, sleep problems, mood, stress/distractions, and social isolation) and protective factors (i.e., social support), and (3) coping strategies, including practical strategies that helped build self-efficacy (e.g., writing things down, reducing distractions), beneficial emotion-focused coping strategies (e.g., focus on health, faith/religion), strategies with mixed effects (i.e., apps/games, medications/supplements, and yoga), and "powering through" strategies that exacerbated stress. CONCLUSIONS YA cancer survivors experience enduring cognitive difficulties after treatment. Specific concerns highlight the importance of attention and executive functioning impairments, long-term memory recall, and sensitivity to distractions. Future work is needed to improve assessment and treatment of CRCI among YA cancer survivors.
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Affiliation(s)
- Danielle B Tometich
- Moffitt Cancer Center, Tampa, Florida, USA
- University of South Florida, Tampa, Florida, USA
| | | | | | | | | | | | | | - Syed Hasan
- Moffitt Cancer Center, Tampa, Florida, USA
| | | | | | - Xiaoyin Li
- Moffitt Cancer Center, Tampa, Florida, USA
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4
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McGrady ME, Willard VW, Williams AM, Brinkman TM. Psychological Outcomes in Adolescent and Young Adult Cancer Survivors. J Clin Oncol 2024; 42:707-716. [PMID: 37967297 DOI: 10.1200/jco.23.01465] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/27/2023] [Accepted: 08/29/2023] [Indexed: 11/17/2023] Open
Abstract
The diagnosis of cancer during adolescent and young adulthood (AYA) may alter the development and psychological trajectory of survivors across their lifespan. The current review focuses broadly on emotional health, social functioning, health behaviors, and cancer-related cognitive impairment (CRCI) among AYA survivors. Overall, AYA survivors appear to be at elevated risk of emotional distress symptoms, mood and anxiety disorders, suicide, and mental health care service utilization compared with individuals without a cancer history. Difficulties with social relationships and reduced achievement of expected social outcomes including educational attainment and employment have been reported. Despite risk for health-related morbidities, including subsequent neoplasms, many AYA survivors do not engage in health behaviors at the recommended levels for physical activity, diet, or tobacco and alcohol use. Although CRCI has not been comprehensively characterized in this population, subgroups of AYA survivors appear to be at risk for experiencing CRCI, including survivors of central nervous system tumors, Hodgkin lymphoma, testicular, and breast cancer. Across each considered domain of psychological functioning, intervention efforts have largely focused on acceptability and feasibility with an increasing focus on e/mHealth approaches. Future research should include multiphase studies, including randomized controlled trials designed to evaluate intervention efficacy and effectiveness. It is imperative that psychological interventions consider the unique needs of AYA survivors by developmental stage and across multiple levels of influence (patient, support system, institution, and health care system).
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Affiliation(s)
- Meghan E McGrady
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
- Patient and Family Wellness Center, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Victoria W Willard
- Department of Psychology and Biobehavioral Sciences, St Jude Children's Research Hospital, Memphis, TN
| | - AnnaLynn M Williams
- Department of Surgery, University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY
| | - Tara M Brinkman
- Department of Psychology and Biobehavioral Sciences, St Jude Children's Research Hospital, Memphis, TN
- Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN
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5
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Powis M, Hack S, Fazelzad R, Hodgson D, Kukreti V. Survivorship care for patients curatively treated for Hodgkin's and non-Hodgkin's lymphoma: a scoping review. J Cancer Surviv 2023:10.1007/s11764-023-01500-3. [PMID: 38048010 DOI: 10.1007/s11764-023-01500-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/13/2023] [Indexed: 12/05/2023]
Abstract
PURPOSE We undertook a scoping review of the literature to synthesize what is known about lymphoma survivorship and develop a comprehensive set of lymphoma-specific survivorship recommendations. METHODS We searched the peer-reviewed literature from January 1995 to April 2022, focused on topics relevant to survivorship care in patients ≥ 18 years of age, treated curatively for non-Hodgkin's and Hodgkin's lymphoma, and in remission for at least 2 years. RESULTS We retained 92 articles; themes included late effects of treatment (53.3%, 49/92), particularly fatigue and sleep disturbances, and fertility, as well as psychosocial considerations of survivors (27.2%; 25/92), screening for secondary malignancies (22.8%; 21/92), outcomes of interventions to improve survivorship care (10.9%; 10/92), and best practices and elements for survivorship plans (8.7%; 8/92). While there were published guidelines for screening for recurrence and secondary malignancies, despite the considerable number of articles on the psychosocial aspects of survivorship care, there remains limited guidance on screening frequency and management strategies for anxiety and depression, sleep disturbances, and treatment-related fatigue within the lymphoma population. CONCLUSION We have developed a comprehensive set of lymphoma-survivorship recommendations; however, work is needed to adapt them to local healthcare contexts. IMPLICATIONS FOR SURVIVORS While there is a focus in the literature on the long-term psychosocial impacts of cancer and its treatment on lymphoma survivors, there remains no concrete recommendations on effective screening and management of detriments to quality of life such as anxiety, depression, fatigue, and distress, and availability of local resources vary widely.
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Affiliation(s)
- Melanie Powis
- Cancer Quality Lab (CQuaL), Princess Margaret Cancer Centre- University Health Network, Toronto, ON, Canada
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, 700 University Ave, Suite 6-223, Toronto, ON, M5G 1X6, Canada
| | - Saidah Hack
- Cancer Quality Lab (CQuaL), Princess Margaret Cancer Centre- University Health Network, Toronto, ON, Canada
| | - Rouhi Fazelzad
- Library and Information Services, University Health Network, Toronto, ON, Canada
| | - David Hodgson
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Radiation Medicine Program, Princess Margaret Cancer Centre- University Health Network, Toronto, ON, Canada
| | - Vishal Kukreti
- Cancer Quality Lab (CQuaL), Princess Margaret Cancer Centre- University Health Network, Toronto, ON, Canada.
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, 700 University Ave, Suite 6-223, Toronto, ON, M5G 1X6, Canada.
- Department of Medicine, University of Toronto, Toronto, ON, Canada.
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6
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Oerlemans S, Efficace F, Shamieh O, Cardoso Borges F, de Jong C, Dong D, Lehmann J, Malak S, Petranovic D, Scholz CW, Caocci G, Molica S, Griskevicius L, Nagele E, Bredart A, Carvalho E, Xochelli A, Agelink van Rentergem J, Alrjoob W, Mueller A, Freitas AC, Cocks K, Creutzberg C, Kyriakou C, van de Poll-Franse L. International validation of a health-related quality-of-life questionnaire for Hodgkin lymphoma: the EORTC QLQ-HL27. Blood Adv 2023; 7:7045-7055. [PMID: 37738090 PMCID: PMC10694520 DOI: 10.1182/bloodadvances.2023010841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/13/2023] [Accepted: 08/22/2023] [Indexed: 09/23/2023] Open
Abstract
Hodgkin lymphoma (HL) has become 1 of the most curable cancers. Therefore, rigorous assessment of health-related quality of life (HRQoL) and symptom burden of these patients is essential to support informed clinical decisions. The European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Group previously developed the EORTC Quality of Life Questionnaire (QLQ) Hodgkin Lymphoma 27. This paper reports the final results of an international study by the EORTC group to develop a HRQoL disease-specific measure for these patients: the EORTC QLQ-HL27. Patients with a confirmed diagnosis of HL (N = 381) were enrolled from 12 countries and completed the EORTC QLQ-C30, QLQ-HL27, and a debriefing questionnaire at baseline (any time after diagnosis). A subset completed a retest (n = 126) or responsiveness-to-change analyses (RCA) second measurement (n = 98). Psychometrics were evaluated. Confirmatory factor analysis showed an acceptable fit of the 27 items of the QLQ-HL27 on its 4 scales (symptom burden, physical condition/fatigue, emotional impact, and worries about health/functioning). Test-retest reliability, convergent validity, known-group comparisons, and RCA find satisfactory results. Symptom burden and fatigue was higher among patients on treatment (with 36%-83% reporting at least a few problems) compared with those who had completed treatment (19%-61% reporting at least a few problems). Prevalence of worries about health and functioning (reporting at least some worry) was similar for patients on treatment (51%-81%) vs those who had completed treatment (52%-78%). Implementation of the EORTC QLQ-HL27 in research and clinical applications will increase sensitivity of HRQoL assessment in patients with HL. High quality data generated through use of this questionnaire are expected to facilitate clinical decision making in the HL setting.
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Affiliation(s)
- Simone Oerlemans
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation, Utrecht, The Netherlands
| | - Fabio Efficace
- Health Outcomes Research Unit, Italian Group for Adult Hematologic Diseases Data Centre, Rome, Italy
| | - Omar Shamieh
- Department of Palliative Medicine, King Hussein Cancer Center, Amman, Jordan
- Faculty of Medicine, University of Jordan, Amman, Jordan
| | - Fabio Cardoso Borges
- Department of Epidemiology and National Cancer Registry, Instituto Português de Oncologia de Lisboa Francisco Gentil, E.P.E., Lisbon, Portugal
| | - Corine de Jong
- Department of Radiation Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | - Dong Dong
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jens Lehmann
- University Hospital of Psychiatry II, Medical University of Innsbruck, Innsbruck, Austria
| | - Sandra Malak
- Hôpital René Huguenin-Institut Curie- Hématologie, Saint-Cloud, France
| | - Duska Petranovic
- Clinical Hospital Center Rijeka, University of Rijeka, Rijeka, Croatia
| | | | - Giovanni Caocci
- Hematology, Businco Hospital, University of Cagliari, Cagliari, Italy
| | | | - Laimonas Griskevicius
- Hematology, Oncology and Transfusion Medicine, Vilnius University Hospital Santaros Klinikos and Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Eva Nagele
- Medical University of Graz, Graz, Austria
| | - Anne Bredart
- Institut Curie Psycho-Oncology Unit; Paris University, Psychopathology and Health Process Laboratory (UR 4057); PSL University, Paris, France
| | - Elisabete Carvalho
- Department of Epidemiology and National Cancer Registry, Instituto Português de Oncologia de Lisboa Francisco Gentil, E.P.E., Lisbon, Portugal
- Clinical Research Unit, Instituto Português de Oncologia de Lisboa Francisco Gentil, E.P.E., Lisbon, Portugal
| | - Aliki Xochelli
- Institute of Applied Biosciences, Center for Research and Technology Hellas, Thessaloniki, Greece
| | - Joost Agelink van Rentergem
- Department of Psychosocial Research & Epidemiology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Waleed Alrjoob
- Department of Palliative Medicine, King Hussein Cancer Center, Amman, Jordan
| | - Anja Mueller
- Hematology and Oncology, Vivantes Klinikum Am Urban, Berlin, Germany
| | - Ana Carolina Freitas
- Hematology Department, Instituto Português de Oncologia de Lisboa Francisco Gentil, E.P.E., Lisbon, Portugal
| | - Kim Cocks
- York Trials Unit, University of York, York & Adelphi Values, Cheshire, United Kingdom
| | - Carien Creutzberg
- Department of Radiation Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Lonneke van de Poll-Franse
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation, Utrecht, The Netherlands
- Department of Psychosocial Research & Epidemiology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
- Department of Medical and Clinical Psychology, Tilburg University, Tilburg, The Netherlands
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7
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Juríčková V, Fayette D, Jonáš J, Fajnerová I, Kozák T, Horáček J. Pretreatment Cancer-Related Cognitive Impairment in Hodgkin Lymphoma Patients. Curr Oncol 2023; 30:9028-9038. [PMID: 37887552 PMCID: PMC10605577 DOI: 10.3390/curroncol30100652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/21/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
BACKGROUND Cancer-related cognitive impairment (CRCI) is one of the most serious side effects of cancer that negatively impacts the quality of life of cancer patients and survivors. There is evidence of CRCI in Hodgkin lymphoma patients (HL); however, there is a lack of studies examining the presence of cognitive deficits before starting any treatment in HL patients. METHODS Forty adult patients (N = 40) newly diagnosed with HL (with no previous cancer diagnoses) and 40 healthy controls (N = 40) matched for age, sex, education, and premorbid intellect completed the neuropsychological battery and subjective and objective measures of affective distress and quality of life. RESULTS The results showed impairment in three out of six cognitive domains: verbal memory and learning, speed of processing/psychomotor speed, and abstraction/executive functions in the HL patients before the initiation of any treatment. The speed of processing/psychomotor speed domain is negatively correlated with depression. CONCLUSION Cognitive deterioration in verbal memory and learning and abstraction/executive functions domains in HL patients seems to occur before the initiation of treatment independently of anxiety, depression, or physical symptoms. This suggests that HL itself may cause cognitive deficits in these cognitive domains. However, the underlying causes of CRCI still remain unclear.
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Affiliation(s)
- Veronika Juríčková
- Center for Advanced Studies of Brain and Consciousness, National Institute of Mental Health, 25067 Klecany, Czech Republic; (D.F.); (J.J.); (I.F.); (J.H.)
- First Faculty of Medicine, Charles University, 12108 Prague, Czech Republic
| | - Dan Fayette
- Center for Advanced Studies of Brain and Consciousness, National Institute of Mental Health, 25067 Klecany, Czech Republic; (D.F.); (J.J.); (I.F.); (J.H.)
- Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic;
| | - Juraj Jonáš
- Center for Advanced Studies of Brain and Consciousness, National Institute of Mental Health, 25067 Klecany, Czech Republic; (D.F.); (J.J.); (I.F.); (J.H.)
- Faculty of Humanities, Charles University, 18200 Prague, Czech Republic
| | - Iveta Fajnerová
- Center for Advanced Studies of Brain and Consciousness, National Institute of Mental Health, 25067 Klecany, Czech Republic; (D.F.); (J.J.); (I.F.); (J.H.)
| | - Tomáš Kozák
- Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic;
- Department of Clinical Hematology, University Hospital Královské Vinohrady, Šrobárova 50, 10034 Prague, Czech Republic
| | - Jiří Horáček
- Center for Advanced Studies of Brain and Consciousness, National Institute of Mental Health, 25067 Klecany, Czech Republic; (D.F.); (J.J.); (I.F.); (J.H.)
- Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic;
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8
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Ekels A, Oerlemans S, Schagen SB, Issa DE, Thielen N, Nijziel MR, van der Poel MWM, Arts LPJ, Posthuma EFM, van de Poll-Franse LV. The course of self-perceived cognitive functioning among patients with lymphoma and the co-occurrence with fatigue and psychological distress. J Cancer Surviv 2023:10.1007/s11764-023-01458-2. [PMID: 37755680 DOI: 10.1007/s11764-023-01458-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 08/24/2023] [Indexed: 09/28/2023]
Abstract
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. The EORTC QLQ-C30 was used to assess cognitive functioning and fatigue, and the HADS to assess psychological distress. Individual growth curve models were performed. Results were compared with an age- and sex-matched normative population. RESULTS A total of 924 patients were included (70% response rate). Persistent cognitive impairment was twice as high in patients (30%) compared to the normative population (15%). Additionally, 74% of patients reported co-occurring symptoms of persistent fatigue and/or psychological distress. Patients with FL (- 23 points, p < 0.001) and CLL/SLL (- 10 points, p < 0.05) reported clinically relevant deterioration of cognitive functioning, as did the normative population (FLnorm - 5 points, DLBCLnorm - 4 points, both p < 0.05). Younger age, higher fatigue, and/or psychological distress at inclusion were associated with worse cognitive functioning (all p's < 0.01). Treatment appeared less relevant. CONCLUSION Almost one-third of patients with lymphoma report persistent cognitive impairment, remaining present up to 8 years post-diagnosis. Early onset and co-occurrence of symptoms highlight the need for clinicians to discuss symptoms with patients early. IMPLICATIONS FOR CANCER SURVIVORS Early recognition of cognitive impairment could increase timely referral to suitable supportive care (i.e., lifestyle interventions) and reduce (long-term) symptom burden.
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Affiliation(s)
- Afke Ekels
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, the Netherlands.
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, the Netherlands.
| | - Simone Oerlemans
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, the Netherlands.
| | - Sanne B Schagen
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, the Netherlands
- Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | - Djamila E Issa
- Department of Internal Medicine, Jeroen Bosch Hospital, S-Hertogenbosch, the Netherlands
| | - Noortje Thielen
- Department of Internal Medicine, Diakonessenhuis, Utrecht, the Netherlands
| | - Marten R Nijziel
- Department of Hemato-Oncology, Catharina Cancer Institute, Catharina Hospital, Eindhoven, the Netherlands
| | - Marjolein W M van der Poel
- Department of Internal Medicine, Division of Hematology, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Lindy P J Arts
- Department of Psychology, Revalis Clinics, S-Hertogenbosch, the Netherlands
| | - Eduardus F M Posthuma
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, the Netherlands
- Department of Internal Medicine, Reinier de Graaf Group, Delft, the Netherlands
- Department of Hematology, Leiden University Medical Center, Leiden, the Netherlands
| | - Lonneke V van de Poll-Franse
- Department of Research and Development, Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, the Netherlands
- Division of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, the Netherlands
- Department of Medical and Clinical Psychology, Center of Research On Psychological and Somatic Disorders (CoRPS), Tilburg University, Tilburg, the Netherlands
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9
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Gulbrandsen MS, Nøding AS, Smeland KB, Eikeland SA, Kiserud CE, Hjermstad MJ, Fosså A. Health-related quality of life, depressive symptoms, and chronic fatigue in long-term survivors of Hodgkin lymphoma. Leuk Lymphoma 2023:1-12. [PMID: 37144290 DOI: 10.1080/10428194.2023.2198053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
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. Despite similar differences to the matched general population, when controlling for other imbalances between the groups, use of HDT-ASCT was not associated with poorer outcome in multivariable analysis. However, work participation, family income, comorbidities, and lifestyle factors had stronger associations with aspects of HRQoL, depressive symptoms, and CF. Our data suggest that better rehabilitation to work participation and adequate income as well as follow-up for comorbidities may reduce differences in long-term outcome after treatment for HL.
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Affiliation(s)
| | - Ane S Nøding
- Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Knut B Smeland
- Department of Oncology, Oslo University Hospital, Oslo, Norway
- National Advisory Unit on Late Effects after Cancer Treatment, Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Siri A Eikeland
- Department of Oncology, Oslo University Hospital, Oslo, Norway
- National Advisory Unit on Late Effects after Cancer Treatment, Department of Oncology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Cecilie E Kiserud
- Department of Oncology, Oslo University Hospital, Oslo, Norway
- National Advisory Unit on Late Effects after Cancer Treatment, Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Marianne J Hjermstad
- Regional Advisory Unit for Palliative Care, Department of Oncology, Oslo University Hospital, Oslo, Norway
- European Palliative Care Research Centre (PRC), Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Alexander Fosså
- Department of Oncology, Oslo University Hospital, Oslo, Norway
- EuKG Jebsen Centre for B-cell malignancies, University of Oslo, Oslo, Norway
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10
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Maeir T, Nahum M, Makranz C, Tsabari S, Peretz T, Gilboa Y. Predictors of quality of life among adults with self-reported cancer related cognitive impairment. Disabil Rehabil 2023; 45:1056-1062. [PMID: 35297702 DOI: 10.1080/09638288.2022.2050954] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The purpose of the current study was to examine the unique contribution of personal and medical factors, objective and subjective cognition, and self-efficacy to the explained variance of quality of life (QoL) among survivors with self-reported cancer related cognitive impairment (CRCI). METHOD Seventy-three cancer survivors (non-central nervous system) with CRCI (mean age: 50.85 ± 10.82 years old, mean years post-treatment: 3 ± 2.7) participated in this cross-sectional study. QoL was assessed using the Functional Assessment of Cancer Therapy (FACT)-GP, while the cognitive function was assessed both objectively using tests of attentional control, speed of processing and sustained attention, and subjectively using the FACT-Cognition perceived cognitive impairments (FACTcog-PCI) subscale. Self-efficacy was assessed using the New General Self-Efficacy Scale (NGSE). RESULTS A hierarchical multiple linear regression analysis revealed that sustained attention, perceived cognitive impairment and self-efficacy, accounted for 54% of the variance of QoL (R2 = 0.543, p < 0.000), each providing a unique contribution to the explained variance (15-20% each) after controlling for age and gender. CONCLUSIONS Considering that these variables may be amenable to change, this model can serve as a conceptual framework for designing effective cognitive treatment options for CRCI. Clinical Trial Registration: ClinicalTrials.gov NCTImplication for rehabilitationCancer related cognitive impairment is characterized by difficulties in the speed of processing performance, severe perceived cognitive impairments, and relatively low general self-efficacy.Multi-dimensional assessments including subjective and objective cognition as well as self-efficacy should be administered to cancer survivors with cognitive complaints to understand the underlying mechanisms of their QoL.Integrative cognitive rehabilitation interventions that aim to improve QoL among people with cancer-related cognitive impairment should target sustained attention, perceived cognitive impairment, and self-efficacy.
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Affiliation(s)
- Talia Maeir
- School of Occupational Therapy, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Mor Nahum
- School of Occupational Therapy, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Chen Makranz
- Department of Neurology and Oncology, The Gaffin Center for Neurooncology, Sharett Institute for Oncology, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Shani Tsabari
- Department of Neurology and Oncology, The Gaffin Center for Neurooncology, Sharett Institute for Oncology, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Tamar Peretz
- Hebrew University Medical School, Jerusalem, Israel
- Sharett Oncology Institute, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Yafit Gilboa
- School of Occupational Therapy, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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11
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Fayette D, Juríčková V, Kozák T, Mociková H, Gaherová L, Fajnerová I, Horáček J. Cognitive impairment associated with Hodgkin's lymphoma and chemotherapy. Neurosci Lett 2023; 797:137082. [PMID: 36693557 DOI: 10.1016/j.neulet.2023.137082] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 01/09/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023]
Abstract
Chemotherapy-related cognitive impairment (CRCI) is a well-documented side effect of cancer treatment in various types of tumors including Hodgkin's lymphoma (HL). However, a longitudinal study evaluating the cognitive performance of HL patients has been completely lacking. The aim of the study was to determine the presence of CRCI in HL patients before, promptly after, and 6 months after treatment. Thirty-six patients newly diagnosed with HL and 45 healthy controls (HC) completed the neuropsychological battery and psychological measures of affective distress and quality of life. The results indicate that HL patients have impaired performance compared to HC which cannot be explained by emotional factors. Cognitive impairments prior to treatment were found in 3 of 6 cognitive domains, i.e., verbal memory and learning, speed of processing/psychomotor speed, and abstraction/executive function. Promptly after the chemotherapy, deficits were found in the domains of memory and learning, verbal memory, speed of processing/psychomotor speed, and abstraction/executive function. Weaker cognitive performance persist even 6 months after the end of chemotherapy, specifically in domains of verbal memory and learning, and abstraction/executive function. Our results indicate the presence of cognitive impairment in HL patients already prior to treatment and increased damages caused by chemotherapy, while some of them may last for up to 6 months after the treatment.
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Affiliation(s)
- Dan Fayette
- National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic; Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic.
| | - Veronika Juríčková
- National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic; First Faculty of Medicine, Charles University, Kateřinská 1660/32, 121 08 Prague 2, Czech Republic.
| | - Tomáš Kozák
- Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic; University Hospital Královské Vinohrady, Šrobárova 50, 100 34, Prague 10, Czech Republic.
| | - Heidi Mociková
- Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic; University Hospital Královské Vinohrady, Šrobárova 50, 100 34, Prague 10, Czech Republic.
| | - Lubica Gaherová
- Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic; University Hospital Královské Vinohrady, Šrobárova 50, 100 34, Prague 10, Czech Republic.
| | - Iveta Fajnerová
- National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic; Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic.
| | - Jiří Horáček
- National Institute of Mental Health, Topolová 748, 250 67 Klecany, Czech Republic; Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10, Czech Republic.
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12
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Assessment of cognitive function in long-term Hodgkin lymphoma survivors, results based on data from a major treatment center in Hungary. Support Care Cancer 2022; 30:5249-5258. [PMID: 35274189 PMCID: PMC9046282 DOI: 10.1007/s00520-022-06918-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 02/12/2022] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Nowadays, more than 80% of newly diagnosed classical Hodgkin lymphoma (HL) patients can be cured and become long-term survivors due to risk and response-adapted treatment strategies. A well-known side effect is cognitive dysfunction that appears in HL patients after chemotherapy. In the present study, we aimed to measure cognitive dysfunction in our HL patients in this study and to find potential correlations between patient-related factors, the signs and symptoms of their diseases, or therapeutic factors. METHODS We carried out a computer-assisted assessment (CANTAB) of cognitive dysfunction in 118 patients. We examined the domains of visual memory, attention, working memory, and planning. RESULTS The median age of 64 females and 54 males at diagnosis was 29 (13-74) and 41 (21-81) years at the completion of CANTAB. Fifty-two percent of all patients showed cognitive impairment. Attention was impaired in 35% of patients, the working memory and planning were impaired in 25%, while visual memory was affected in 22%. All the three functions showed a significant association with inactive employments status. A close correlation was found between visual memory/working memory and planning, higher age at HL diagnosis or the completion of CANTAB test, and disability pensioner status. DISCUSSION Our investigation suggests that patients with inactive employment status and older age require enhanced attention. Their cognitive function and quality of life can be improved if they return to work or, if it is not possible, they receive a cognitive training.
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13
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Pankowski D, Wytrychiewicz-Pankowska K, Janowski K, Pisula E. Cognitive impairment in patients with rheumatoid arthritis: A systematic review and meta-analysis. Joint Bone Spine 2021; 89:105298. [PMID: 34656753 DOI: 10.1016/j.jbspin.2021.105298] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/16/2021] [Accepted: 10/06/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE An increasing number of studies have demonstrated cognitive impairment in patients with rheumatoid arthritis (RA). The literature indicates many factors play an important role in this clinical problem, such as the severity of depressive symptoms and the treatment used. The aim of this study was to systematically review studies comparing cognitive functioning between healthy participants and RA patients and to determine both the severity and potential moderators of cognitive impairment. METHODS For this purpose, 16 studies that fulfilled all selection criteria were carefully selected. Altogether, 921 patients with RA (812 women and 109 men) and 700 controls participated in these studies. Due to the inability to perform a network meta-analysis, it was decided to determine the effect sizes for studies which used the same measurement methods. RESULTS The analysis demonstrated greater impairment of cognitive functioning in patients with RA than in healthy controls, with effect sizes ranging from small to large, depending on the assessment method used in the study. CONCLUSIONS The study pinpoints potential biases, lack of replication, and inconsistencies in reporting data as possible confounding factors and suggests further recommendations for assessment methods, research directions and clinical implications. CLINICAL TRIAL REGISTRATION Not applicable.
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Affiliation(s)
- Daniel Pankowski
- Institute of Psychology, University of Economics and Human Sciences in Warsaw, Okopowa 59, 01-030 Warsaw, Poland; Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183 Warsaw, Poland.
| | - Kinga Wytrychiewicz-Pankowska
- Institute of Psychology, University of Economics and Human Sciences in Warsaw, Okopowa 59, 01-030 Warsaw, Poland; Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183 Warsaw, Poland
| | - Konrad Janowski
- Institute of Psychology, University of Economics and Human Sciences in Warsaw, Okopowa 59, 01-030 Warsaw, Poland
| | - Ewa Pisula
- Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183 Warsaw, Poland
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Janelsins MC, Mohamed M, Peppone LJ, Magnuson A, Belcher EK, Melnik M, Dakhil S, Geer J, Kamen C, Minasian L, Reagan PM, Mohile SG, Morrow GR, Ahles TA, Heckler CE. Longitudinal Changes in Cognitive Function in a Nationwide Cohort Study of Patients With Lymphoma Treated With Chemotherapy. J Natl Cancer Inst 2021; 114:47-59. [PMID: 34255086 PMCID: PMC8755506 DOI: 10.1093/jnci/djab133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 04/29/2021] [Accepted: 07/12/2021] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Cancer-related cognitive decline (CRCD) is an important clinical problem, but limited research exists on assessment of cognitive function in patients with lymphoma. METHODS The overall objective of this nationwide, prospective, observational study conducted in the National Cancer Institute Community Clinical Oncology Research Program (NCORP) was to assess changes in memory, attention, and executive function in patients with lymphoma from pre- (A1) to postchemotherapy (A2) and to 6 months postchemotherapy (A3). Individuals without cancer served as noncancer controls, paired to patients by age and sex, and assessed at the same time-equivalent points. Longitudinal linear mixed models (LMM) including A1, A2, and A3 and adjusting for age, education, race, sex, cognitive reserve score, baseline anxiety, and depressive symptoms were fit. We assessed changes in patients compared with control participants without cancer and assessed differences in cognitive function in those patients with Hodgkin vs non-Hodgkin disease and by disease subtype. All statistical tests were 2-sided. RESULTS Patients with lymphoma (n = 248) and participants without cancer serving as controls (n = 212) were recruited from 19 NCORP sites. From pre- to postchemotherapy and from prechemotherapy to 6 months follow-up, patients reported more cognitive problems over time compared with controls (Functional Assessment of Cancer-Therapy-Cognitive Function [FACT-Cog] perceived cognitive impairment effect size (ES) = 0.83 and 0.84 for A1 to A2 and A1 to A3, respectively; P < .001; single-item cognitive symptoms ES range = 0.55 to 0.70 inclusive of A1 to A2 and A1 to A3; P < .001); the complaints were more pronounced in women with lymphoma compared with men with lymphoma (FACT-Cog Perceived Cognitive Impairment (PCI) score group-by-time-by-sex interaction, P = .007). Patients with lymphoma also performed statistically significantly less well on tests of verbal memory and delayed recall, attention and executive function, and telephone-based category fluency. CONCLUSION Patients with lymphoma experience worse patient-reported and objectively assessed cognitive function from prechemotherapy to 6-month follow-up compared with age- and sex-paired controls without cancer assessed at similar time intervals.
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Affiliation(s)
- Michelle C Janelsins
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA,Correspondence to: Michelle C. Janelsins, PhD, MPH, University of Rochester Medical Center, James P. Wilmot Cancer Institute, Associate Professor, Department of Surgery, Division of Supportive Care in Cancer, Associate Professor of Neuroscience, Oncology and Radiation Oncology, 265 Crittenden Blvd, CU 420658, Rochester, NY 14642, USA (e-mail: )
| | - Mostafa Mohamed
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Luke J Peppone
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Allison Magnuson
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Elizabeth K Belcher
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Marianne Melnik
- Cancer Research Consortium of West Michigan NCI Community Oncology Research Program, Grand Rapids, MI, USA
| | - Shaker Dakhil
- Wichita NCI Community Oncology Research Program, Wichita, KS, USA
| | - Jodi Geer
- Metro Minnesota Community Oncology Research Program, Saint Louis Park, MN, USA
| | - Charles Kamen
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | | | - Patrick M Reagan
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Supriya G Mohile
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Gary R Morrow
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
| | - Tim A Ahles
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Charles E Heckler
- University of Rochester Medical Center, James P. Wilmot Cancer Institute, Rochester, NY, USA
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15
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Franceschetti S, Annunziata MA, Agostinelli G, Gerardi C, Allocati E, Minoia C, Guarini A. Late Neurological and Cognitive Sequelae and Long-Term Monitoring of Classical Hodgkin Lymphoma and Diffuse Large B-Cell Lymphoma Survivors: A Systematic Review by the Fondazione Italiana Linfomi. Cancers (Basel) 2021; 13:cancers13143401. [PMID: 34298616 PMCID: PMC8307605 DOI: 10.3390/cancers13143401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/21/2021] [Accepted: 06/29/2021] [Indexed: 01/07/2023] Open
Abstract
Simple Summary The last 25 years have seen a significant increase in the number of lymphoma survivors. This review was carried out to examine the data currently available on the incidence of some of the consequences most reported by this population: peripheral neuropathy, cognitive impairment, fatigue, and anxiety and depression. This review also investigated any follow-up strategies or monitoring implemented. The 35 articles included in the final analysis provided an idea of what the incidence of these sequelae may be in long-term survivors of classical Hodgkin lymphoma and diffuse large B-cell lymphoma. Despite methodological limitations encountered in the literature search, the Authors attempted to summarize the available evidence and provide support to clinical practice. This systematic review represents the basis for designing future studies with a longitudinal trial design and examining more homogeneous populations to assess and monitor these dimensions over time in clinical practice and to respond promptly to the needs of lymphoma survivors. Abstract Background: The continuously improving treatment outcome for classical Hodgkin lymphoma (cHL) and diffuse large B-cell lymphoma (DLBCL) over the last 25 years has led to a high number of long-term survivors. The impact of treatment, however, can sometimes be dramatic and long-lasting. Focusing on peripheral neuropathy (PN), cognitive impairment, fatigue, anxiety, and depression, researchers of the Fondazione Italiana Linfomi conducted a systematic review of the literature to collect the available data on sequelae incidence as well as evidence of follow-up strategies for long-term cHL and DLBCL survivors. Methods: The review was carried out under the methodological supervision of the Istituto di Ricerche Farmacologiche “Mario Negri”, Milan, Italy. The literature search was conducted on three databases (MEDLINE, Embase, and the Cochrane Library) updated to November 2019. The selection process and data extraction were conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Results: A total of 2236 abstracts were screened, 247 full texts were analyzed, and 35 papers were included in the final analysis. Fatigue was the most extensively studied among neuropsychological sequelae, with a mean prevalence among cHL survivors of 10–43%. Although many of the papers showed an increased incidence of PN, cognitive impairment, and anxiety and depression in long-term cHL and DLBCL survivors, no definite conclusions can be drawn because of the methodological limitations of the analyzed studies. No data on monitoring and follow-up strategies of PN and other neuropsychological sequelae were highlighted. Conclusions: Based on our findings, future studies in this setting should include well-defined study populations and have a longitudinal trial design to assess the outcomes of interest over time, thus as to structure follow-up programs that can be translated into daily practice.
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Affiliation(s)
- Silvia Franceschetti
- Haematology Unit, Ospedale Civile di Legnano, ASST Ovest Milanese, 20025 Legnano, Italy
- Correspondence:
| | - Maria Antonietta Annunziata
- Oncological Psychology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (M.A.A.); (G.A.)
| | - Giulia Agostinelli
- Oncological Psychology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (M.A.A.); (G.A.)
| | - Chiara Gerardi
- Istituto di Ricerche Farmacologiche “Mario Negri” IRCCS, 20156 Milano, Italy; (C.G.); (E.A.)
| | - Eleonora Allocati
- Istituto di Ricerche Farmacologiche “Mario Negri” IRCCS, 20156 Milano, Italy; (C.G.); (E.A.)
| | - Carla Minoia
- Hematology Unit, IRCCS Istituto Tumori “Giovanni Paolo II”, 70124 Bari, Italy; (C.M.); (A.G.)
| | - Attilio Guarini
- Hematology Unit, IRCCS Istituto Tumori “Giovanni Paolo II”, 70124 Bari, Italy; (C.M.); (A.G.)
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16
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Phillips NS, Duke ES, Schofield HLT, Ullrich NJ. Neurotoxic Effects of Childhood Cancer Therapy and Its Potential Neurocognitive Impact. J Clin Oncol 2021; 39:1752-1765. [PMID: 33886374 DOI: 10.1200/jco.20.02533] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Nicholas S Phillips
- Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, TN
| | - Elizabeth S Duke
- Center for Cancer and Blood Disorders, Children's National Hospital, Washington, DC
| | - Hannah-Lise T Schofield
- Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children's Hospital of Philadelphia, Philadelphia, PA.,Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA
| | - Nicole J Ullrich
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA
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17
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Mezenge E, Pozuelos C, Bouguet G, Tron L, Joly F, Lange M. Plainte cognitive à l’issue des traitements d’un lymphome. PSYCHO-ONCOLOGIE 2021. [DOI: 10.3166/pson-2021-0144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Objectif : Évaluer la prévalence de la plainte cognitive chez des personnes ayant été traitées pour un lymphome.
Matériel et méthode : Questionnaire diffusé auprès des participants de la Journée mondiale des lymphomes, en septembre 2017 et février 2018.
Résultats : Soixante-deux pour cent des participants (n = 396) rapportaient une plainte cognitive, et 39 % l’attribuaient aux traitements oncologiques reçus. Cinquantequatre pour cent d’entre eux auraient souhaité bénéficier de soins de support adaptés.
Conclusion : Les difficultés cognitives à la suite des traitements oncologiques doivent être mieux connues des professionnels de santé afin de proposer des soins de support adaptés.
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Mariegaard J, Wenstrup J, Lim KZM, Bidstrup PE, von Heymann A, Johansen C, Knudsen GM, Law I, Specht L, Stenbæk DS. Prevalence of cognitive impairment and its relation to mental health in Danish lymphoma survivors. Support Care Cancer 2020; 29:3319-3328. [PMID: 33118105 DOI: 10.1007/s00520-020-05857-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 10/23/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE This study sought to investigate the prevalence of self-reported cognitive impairment and its relation to illness and treatment characteristics and mental health in Hodgkin lymphoma (HL) and diffuse large B cell lymphoma (DLBCL) survivors as cancer-related cognitive impairment has not been extensively studied in lymphoma survivors. METHODS One hundred fifteen HL and DLBCL survivors (mean age = 40.3 years, mean months since completed treatment = 29.6) completed questionnaires on executive function and mental health. We examined the prevalence of executive impairment and compared illness and treatment characteristics and mental health across survivors reporting impaired and non-impaired executive functioning using chi-square, Cochran-Armitage, and Mann-Whitney U tests. RESULTS We found that 39% reported executive impairment. Survivors reporting impaired executive functioning reported worse mental health (ps < .001) than survivors reporting non-impaired executive functioning. A larger proportion of the impaired group had received a high chemo dose compared to the non-impaired group although this result fell short of significance after adjustment for multiple comparisons (p = .017). CONCLUSIONS Self-reported cognitive impairment is prevalent in HL and DLBCL survivors and is associated with worse mental health and possibly high chemo dose. Future studies should investigate objective impairment and the possible dose-response relationship between chemo dose and cognitive impairment in lymphoma survivors.
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Affiliation(s)
- Johanna Mariegaard
- Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark
| | - Jonathan Wenstrup
- Department of Oncology, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark.,Psychological Aspects of Cancer, Survivorship Unit, Danish Cancer Society Research Center, DK-2100, Copenhagen, Denmark.,Department of Neurology, Bispebjerg-Frederiksberg Hospital, DK-2400, Copenhagen, Denmark
| | - Kevin Zi Ming Lim
- Psychological Aspects of Cancer, Survivorship Unit, Danish Cancer Society Research Center, DK-2100, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, DK-2100, Copenhagen, Denmark
| | - Pernille Envold Bidstrup
- Psychological Aspects of Cancer, Survivorship Unit, Danish Cancer Society Research Center, DK-2100, Copenhagen, Denmark
| | - Annika von Heymann
- CASTLE Cancer Late Effects Research Unit, Department of Oncology, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark
| | - Christoffer Johansen
- CASTLE Cancer Late Effects Research Unit, Department of Oncology, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark
| | - Gitte Moos Knudsen
- Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, DK-2100, Copenhagen, Denmark
| | - Ian Law
- Department of Clinical Physiology, Nuclear Medicine & PET, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark
| | - Lena Specht
- Department of Oncology, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark
| | - Dea Siggaard Stenbæk
- Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, DK-2100, Copenhagen, Denmark.
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Abstract
Hodgkin lymphoma (HL) is a B cell lymphoma characterized by few malignant cells and numerous immune effector cells in the tumour microenvironment. The incidence of HL is highest in adolescents and young adults, although HL can affect elderly individuals. Diagnosis is based on histological and immunohistochemical analyses of tissue from a lymph node biopsy; the tissue morphology and antigen expression profile enable classification into one of the four types of classic HL (nodular sclerosis, mixed cellularity, lymphocyte-depleted or lymphocyte-rich HL), which account for the majority of cases, or nodular lymphocyte-predominant HL. Although uncommon, HL remains a crucial test case for progress in cancer treatment. HL was among the first systemic neoplasms shown to be curable with radiation therapy and multiagent chemotherapy. The goal of multimodality therapy is to minimize lifelong residual treatment-associated toxicity while maintaining high levels of effectiveness. Recurrent or refractory disease can be effectively treated or cured with high-dose chemotherapy followed by autologous haematopoietic stem cell transplantation, and prospective trials have demonstrated the potency of immunotherapeutic approaches with antibody-drug conjugates and immune checkpoint inhibitors. This Primer explores the wealth of information that has been assembled to understand HL; these updated observations verify that HL investigation and treatment remain at the leading edge of oncological research.
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20
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Tan CJ, Mah JJJ, Goh WL, Poon E, Harunal Rashid MF, Chan A. Self-reported cognitive outcomes among adolescent and young adult patients with noncentral nervous system cancers. Psychooncology 2020; 29:1355-1362. [PMID: 32597001 PMCID: PMC7497100 DOI: 10.1002/pon.5456] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 05/19/2020] [Accepted: 06/22/2020] [Indexed: 01/06/2023]
Abstract
Objective Cancer‐related cognitive impairment (CRCI) among adolescent and young adult (AYA) cancer patients with noncentral nervous system (CNS) cancers has not been well studied. In this study, we aimed to describe CRCI‐associated trends and characteristics among AYA cancer patients. Methods In a longitudinal cohort of AYA cancer patients without CNS disease, CRCI was evaluated over 1 year using the Functional Assessment of Cancer Therapy‐Cognitive Function Instrument, a self‐reported cognitive outcome measure. CRCI prevalence was quantified using the previously established minimal clinically important difference. CRCI‐associated longitudinal trends and factors were evaluated with mixed‐effects model analysis. Results Ninety‐one patients (mean age = 28.4 ± 6.7 years) were included. Approximately one‐third (34.1%) experienced CRCI at least once during the study follow‐up. Female gender (P = .02), Indian ethnicity (P < .01), current smokers (P < .01), anxiety/depressive symptoms (P < .01) and fatigue (P < .01) were found to be associated with poorer cognitive function among AYAs. Conclusions Although AYA cancer patients were relatively young and without CNS disease involvement, a significant proportion of them experienced clinically important decline in cognitive function. With improved understanding of this subject, effective strategies can be formulated to promote awareness of CRCI and mitigate its negative effects among AYA cancer patients.
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Affiliation(s)
- Chia Jie Tan
- Department of Pharmacy, National University of Singapore, Singapore, Singapore
| | - Jaclyn Jia Jun Mah
- Department of Pharmacy, National Cancer Centre Singapore, Singapore, Singapore
| | - Wei Lin Goh
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore, Singapore
| | - Eileen Poon
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore, Singapore
| | | | - Alexandre Chan
- Department of Pharmacy, National Cancer Centre Singapore, Singapore, Singapore.,Duke-NUS Medical School, Singapore, Singapore.,Department of Clinical Pharmacy Practice, University of California, Irvine, California, USA
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21
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Castellino SM, Parsons SK, Kelly KM. Closing the survivorship gap in children and adolescents with Hodgkin lymphoma. Br J Haematol 2019; 187:573-587. [PMID: 31566730 DOI: 10.1111/bjh.16197] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 08/15/2019] [Indexed: 01/26/2023]
Abstract
The treatment of Hodgkin lymphoma (HL) is one of early success. However, disease-free survival (DFS) does not reflect latent organ injury and its impact on health status and well-being beyond 5 years. In fact, we are at a crossroads, in terms of needing individualized approaches to maintain DFS, while minimizing late effects and preserving health-related quality of life (HRQoL). Premature morbidity and mortality translate to a high societal cost associated with the potential number of productive life years ahead in this population who are young at diagnosis. The discordance between short-term lymphoma-free survival and long-term health and HRQoL creates a "survivorship gap" which can be characterized for individuals and for subgroups of patients. The current review delineates contributors to compromised outcomes and health status in child and adolescent (paediatric) HL and frames the survivorship gap in terms of primary and secondary prevention. Primary prevention aims to titrate therapy. Secondary prevention entails strategies to intervene against late effects. Bridging the survivorship gap will be attained with enhanced knowledge of and attention to biology of the tumour and microenvironment, host genetic factors, HRQoL and sub-populations with disparate outcomes.
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Affiliation(s)
- Sharon M Castellino
- Department of Pediatrics, Division Hematology-Oncology, Emory School of Medicine, The Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Susan K Parsons
- Department of Pediatrics, Tufts University School of Medicine, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, MA, USA
| | - Kara M Kelly
- Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
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22
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Goudarzvand S, St Sauver J, Mielke MM, Takahashi PY, Lee Y, Sohn S. Early temporal characteristics of elderly patient cognitive impairment in electronic health records. BMC Med Inform Decis Mak 2019; 19:149. [PMID: 31391041 PMCID: PMC6686236 DOI: 10.1186/s12911-019-0858-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Background The aging population has led to an increase in cognitive impairment (CI) resulting in significant costs to patients, their families, and society. A research endeavor on a large cohort to better understand the frequency and severity of CI is urgent to respond to the health needs of this population. However, little is known about temporal trends of patient health functions (i.e., activity of daily living [ADL]) and how these trends are associated with the onset of CI in elderly patients. Also, the use of a rich source of clinical free text in electronic health records (EHRs) to facilitate CI research has not been well explored. The aim of this study is to characterize and better understand early signals of elderly patient CI by examining temporal trends of patient ADL and analyzing topics of patient medical conditions in clinical free text using topic models. Methods The study cohort consists of physician-diagnosed CI patients (n = 1,435) and cognitively unimpaired (CU) patients (n = 1,435) matched by age and sex, selected from patients 65 years of age or older at the time of enrollment in the Mayo Clinic Biobank. A corpus analysis was performed to examine the basic statistics of event types and practice settings where the physician first diagnosed CI. We analyzed the distribution of ADL in three different age groups over time before the development of CI. Furthermore, we applied three different topic modeling approaches on clinical free text to examine how patients’ medical conditions change over time when they were close to CI diagnosis. Results The trajectories of ADL deterioration became steeper in CI patients than CU patients approximately 1 to 1.5 year(s) before the actual physician diagnosis of CI. The topic modeling showed that the topic terms were mostly correlated and captured the underlying semantics relevant to CI when approaching to CI diagnosis. Conclusions There exist notable differences in temporal trends of basic and instrumental ADL between CI and CU patients. The trajectories of certain individual ADL, such as bathing and responsibility of own medication, were closely associated with CI development. The topic terms obtained by topic modeling methods from clinical free text have a potential to show how CI patients’ conditions evolve and reveal overlooked conditions when they close to CI diagnosis.
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Affiliation(s)
- Somaieh Goudarzvand
- School of Computing and Engineering, University of Missouri, Kansas City, MO, USA
| | | | | | | | - Yugyung Lee
- School of Computing and Engineering, University of Missouri, Kansas City, MO, USA
| | - Sunghwan Sohn
- Division of Digital Health Sciences, Mayo Clinic, Rochester, MN, USA.
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23
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Trachtenberg E, Gurion R, Mashiach T, Tadmor T, Kedmi M, Dann EJ. Recognizing severe fatigue and decline in quality of life in Hodgkin lymphoma survivors. Leuk Lymphoma 2019; 60:3449-3454. [PMID: 31331223 DOI: 10.1080/10428194.2019.1641803] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Hodgkin lymphoma (HL) is common in young adults and considered curable in most patients. Young HL survivors (HLS) are at risk of long-term adverse effects. Our study aimed to assess various fatigue and quality of life (QoL) complaints, and their correlations with treatment. Self-reported questionnaires assessing fatigue (MFI-20) and QoL-related issues (EORTC-QOL-C-30) were used to examine HLS aged 18-65 who completed first-line chemotherapy ± radiotherapy (RT) and were in complete remission for at least six months post-therapy. The cohort included 120 HLS (median age 32 years), assessed between 6 months and 15 years post-treatment. About 28% presented with severe fatigue and severely reduced QoL. Higher fatigue levels were associated with four cycles of the ABVD + RT. Young HLS experience high levels of persistent physical fatigue, emotional distress, and cognitive decline that are insufficiently investigated. Assessment of these complaints is essential and further investigation may provide tailored solutions for a better QoL for HLS.
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Affiliation(s)
- Estherina Trachtenberg
- The Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel.,Psychology Department, Anglia Ruskin University, Cambridge, UK
| | - Ronit Gurion
- Davidoff Cancer Center, Rabin Medical Center, Institute of Hematology, Petah Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tatiana Mashiach
- Quality Assurance Unit, Rambam Health Care Campus, Haifa, Israel
| | - Tamar Tadmor
- The Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel.,Bnai Zion Medical Center, Hematology Unit, Haifa, Israel
| | - Meirav Kedmi
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Division of Hematology and Bone Marrow Transplantation, Chaim Sheba Medical Center, Tel Hashomer, Israel
| | - Eldad J Dann
- The Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel.,Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel
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24
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Pálmarsdóttir R, Kiesbye Øvlisen A, Severinsen MT, Glimelius I, Smedby KE, El-Galaly T. Socioeconomic impact of Hodgkin lymphoma in adult patients: a systematic literature review. Leuk Lymphoma 2019; 60:3116-3131. [PMID: 31167589 DOI: 10.1080/10428194.2019.1613538] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Hodgkin lymphoma is a highly curable disease with a peak incidence in young adulthood at times where education, family, and social relations are established. We performed a systematic literature review to assess the impact of Hodgkin lymphoma on the socioeconomic status of adolescent and adult survivors (including educational achievements, occupational aspects, marriage, and parenthood). In total, 39 articles were included. Overall, 26-36% of survivors perceived Hodgkin lymphoma as negatively affecting their socioeconomic status. Studies consistently found educational achievements in line with general population. Employment rates for survivors were comparable to the general population, but lower than before Hodgkin lymphoma diagnosis, with a post-diagnosis increase in disability pension and early retirement. Employed survivors encountered problems related to physical restrictions and recruitment. Marriage and parenthood were not substantially affected. In conclusion, current studies suggest acceptable socioeconomic outcomes following a Hodgkin lymphoma diagnosis but the use of standardized reporting methods hampers comparability across studies.
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Affiliation(s)
| | - Andreas Kiesbye Øvlisen
- Department of Hematology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Marianne Tang Severinsen
- Department of Hematology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Ingrid Glimelius
- Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Solna, Sweden.,Department of Immunology, Genetics and Pathology, Clinical and Experimental Oncology, Uppsala University and Uppsala Akademiska Hospital, Uppsala, Sweden
| | - Karin E Smedby
- Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Solna, Sweden.,Hematology Center, Karolinska University Hospital, Solna, Sweden
| | - Tarec El-Galaly
- Department of Hematology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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25
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Pretreatment Cancer-Related Cognitive Impairment-Mechanisms and Outlook. Cancers (Basel) 2019; 11:cancers11050687. [PMID: 31100985 PMCID: PMC6562730 DOI: 10.3390/cancers11050687] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/06/2019] [Accepted: 05/14/2019] [Indexed: 12/25/2022] Open
Abstract
Cognitive changes are common in patients with active cancer and during its remission. This has largely been blamed on therapy-related toxicities and diagnosis-related stress, with little attention paid to the biological impact of cancer itself. A plethora of clinical studies demonstrates that cancer patients experience cognitive impairment during and after treatment. However, recent studies show that a significant portion of patients with non-central nervous system (CNS) tumors experience cognitive decline prior to treatment, suggesting a role for tumor-derived factors in modulating cognition and behavior. Cancer-related cognitive impairment (CRCI) negatively impacts a patient’s quality of life, reduces occupational and social functioning, and increases morbidity and mortality. Furthermore, patients with cancer cachexia frequently experience a stark neurocognitive decline, suggesting peripheral tumors exert an enduring toll on the brain during this chronic paraneoplastic syndrome. However, the scarcity of research on cognitive impairment in non-CNS cancers makes it difficult to isolate psychosocial, genetic, behavioral, and pathophysiological factors in CRCI. Furthermore, clinical models of CRCI are frequently confounded by complicated drug regimens that inherently affect neurocognitive processes. The severity of CRCI varies considerably amongst patients and highlights its multifactorial nature. Untangling the biological aspects of CRCI from genetic, psychosocial, and behavioral factors is non-trivial, yet vital in understanding the pathogenesis of CRCI and discovering means for therapeutic intervention. Recent evidence demonstrating the ability of peripheral tumors to alter CNS pathways in murine models is compelling, and it allows researchers to isolate the underlying biological mechanisms from the confounding psychosocial stressors found in the clinic. This review summarizes the state of the science of CRCI independent of treatment and focuses on biological mechanisms in which peripheral cancers modulate the CNS.
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