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1.
BMJ Open ; 14(5): e080310, 2024 May 22.
Artigo em Inglês | MEDLINE | ID: mdl-38777593

RESUMO

OBJECTIVES: Androgen deprivation therapy (ADT), a common treatment for prostate cancer, has debilitating impacts on physical and psychological quality of life. While some interventions focus on managing the physical side effects of ADT, there is a paucity of interventions that also address psychosocial and educational needs. The objective of this systematic review was to identify psychological and educational survivorship interventions targeting health-related quality of life (HRQoL) outcomes in men on ADT. DESIGN: A systematic review of randomised controlled trials. DATA SOURCES: Web of Science, Cochrane, EBSCO Host, PubMed, SCOPUS from inception (1984) to 28 January 2023. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Psychological and/or educational survivorship interventions targeting HRQoL outcomes for men on ADT; minimum 80% of participants on ADT; used a validated HRQoL outcome measure; published in English in a peer-reviewed journal. DATA EXTRACTION AND SYNTHESIS: Data extraction using pre-specified study criteria was conducted. Heterogeneity of eligible studies precluded a meta-analysis. RESULTS: A total of 3381 publications were identified with eight meeting the criteria. Interventions were either psychological with a cognitive behavioural approach (n=4), or educational with (n=2) or without (n=2) psychoeducational components.Two studies reported a statistically significant improvement using a specific HRQoL measure. Most studies were not adequately powered and/or included small sample sizes limiting the conclusions that can be drawn on effectiveness. The most effective interventions were (i) individually based, (ii) educational with a psychoeducational component, (iii) supplemented with information packages and/or homework and (iv) included personalised needs assessments. CONCLUSION: There is a paucity of literature reporting psychological and educational survivorship interventions targeting HRQoL outcomes for men on ADT. What is urgently needed are person-centred survivorship interventions that are flexible enough to identify and address individual needs, taking into account the impact ADT has on both physical and psychological quality of life. PROSPERO REGISTRATION NUMBER: CRD4202230809.


Assuntos
Antagonistas de Androgênios , Neoplasias da Próstata , Qualidade de Vida , Humanos , Masculino , Neoplasias da Próstata/psicologia , Neoplasias da Próstata/tratamento farmacológico , Neoplasias da Próstata/terapia , Antagonistas de Androgênios/uso terapêutico , Antagonistas de Androgênios/efeitos adversos , Educação de Pacientes como Assunto/métodos , Sobreviventes de Câncer/psicologia , Sobrevivência , Ensaios Clínicos Controlados Aleatórios como Assunto
2.
BMJ Open ; 14(3): e084412, 2024 Mar 23.
Artigo em Inglês | MEDLINE | ID: mdl-38521521

RESUMO

INTRODUCTION: Androgen deprivation therapy (ADT) is commonly used to treat men with locally advanced or metastatic prostate cancer. Men receiving ADT experience numerous side effects and frequently report unmet supportive care needs. An essential part of quality cancer care is survivorship care. To date, an optimal effective approach to survivorship care for men with prostate cancer on ADT has not been described. This protocol describes a randomised trial of tele-based nurse-led survivorship that addresses this knowledge gap: (1) determine the effectiveness of a nurse-led survivorship care intervention (PCEssentials), relative to usual care, for improving health-related quality of life (HR-QoL) in men with prostate cancer undergoing ADT and (2) evaluate PCEssentials implementation strategies and outcomes, including cost-effectiveness, compared with usual care. METHODS AND ANALYSIS: This is an effectiveness-implementation hybrid (type 1) trial with participants randomised to one of two arms: (1) minimally enhanced usual care and (2) nurse-led prostate cancer survivorship essentials (PCEssentials) delivered over four tele-based sessions, with a booster session 5 months after session 1. Eligible participants are Australian men with prostate cancer commencing ADT and expected to be on ADT for a minimum of 12 months. Participants are followed up at 3, 6 and 12 months postrecruitment. Primary outcomes are HR-QoL and self-efficacy. Secondary outcomes are psychological distress, insomnia, fatigue and physical activity. A concurrent process evaluation with participants and study stakeholders will be undertaken to determine effectiveness of delivery of PCEssentials. ETHICS AND DISSEMINATION: Ethics approval was obtained from the Metro South Health HREC (HREC/2021/QMS/79429). All participants are required to provide written informed consent. Outcomes of this trial will be published in peer-reviewed journals. The findings will be presented at conferences and meetings, local hospital departments, participating organisations/clinical services, and university seminars, and communicated at community and consumer-led forums. TRIAL REGISTRATION NUMBER: ACTRN12622000025730.


Assuntos
Sobreviventes de Câncer , Neoplasias da Próstata , Masculino , Humanos , Neoplasias da Próstata/tratamento farmacológico , Neoplasias da Próstata/psicologia , Qualidade de Vida/psicologia , Antagonistas de Androgênios/uso terapêutico , Androgênios , Próstata , Sobrevivência , Papel do Profissional de Enfermagem , Austrália , Ensaios Clínicos Controlados Aleatórios como Assunto
3.
Breast Cancer Res Treat ; 203(3): 575-586, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37930491

RESUMO

BACKGROUND: Delays to breast cancer treatment can lead to more aggressive and extensive treatments, increased expenses, increased psychological distress, and poorer survival. We explored the individual and area level factors associated with the interval between diagnosis and first treatment in a population-based cohort in Queensland, Australia. METHODS: Data from 3216 Queensland women aged 20 to 79, diagnosed with invasive breast cancer (ICD-O-3 C50) between March 2010 and June 2013 were analysed. Diagnostic dates were sourced from the Queensland Cancer Registry and treatment dates were collected via self-report. Diagnostics-treatment intervals were modelled using flexible parametric survival methods. RESULTS: The median interval between breast cancer diagnosis and first treatment was 15 days, with an interquartile range of 9-26 days. Longer diagnostic-treatment intervals were associated with a lack of private health coverage, lower pre-diagnostic income, first treatments other than breast conserving surgery, and residence outside a major city. The model explained a modest 13.7% of the variance in the diagnostic-treatment interval [Formula: see text]. Sauerbrei's D was 0.82, demonstrating low to moderate discrimination performance. CONCLUSION: Whilst this study identified several individual- and area-level factors associated with the time between breast cancer diagnosis and first treatment, much of the variation remained unexplained. Increased socioeconomic disadvantage appears to predict longer diagnostic-treatment intervals. Though some of the differences are small, many of the same factors have also been linked to screening and diagnostic delay. Given the potential for accumulation of delay at multiple stages along the diagnostic and treatment pathway, identifying and applying effective strategies address barriers to timely health care faced by socioeconomically disadvantaged women remains a priority.


Assuntos
Neoplasias da Mama , Feminino , Humanos , Queensland/epidemiologia , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/epidemiologia , Neoplasias da Mama/terapia , Diagnóstico Tardio , Fatores Socioeconômicos , Austrália
4.
PLoS One ; 18(12): e0295689, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38051724

RESUMO

[This corrects the article DOI: 10.1371/journal.pone.0228744.].

5.
PLoS One ; 18(12): e0295688, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38051735

RESUMO

[This corrects the article DOI: 10.1371/journal.pone.0223658.].

6.
PLoS One ; 18(11): e0293954, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37956143

RESUMO

BACKGROUND: Treatment decisions for men diagnosed with prostate cancer depend on a range of clinical and patient characteristics such as disease stage, age, general health, risk of side effects and access. Associations between treatment patterns and area-level factors such as remoteness and socioeconomic disadvantage have been observed in many countries. OBJECTIVE: To model spatial differences in interventional treatment rates for prostate cancer at high spatial resolution to inform policy and decision-making. METHODS: Hospital separations data for interventional treatments for prostate cancer (radical prostatectomy, low dose rate and high dose rate brachytherapy) for men aged 40 years and over were modelled using spatial models, generalised linear mixed models, maximised excess events tests and k-means statistical clustering. RESULTS: Geographic differences in population rates of interventional treatments were found (p<0.001). Separation rates for radical prostatectomy were lower in remote areas (12.2 per 10 000 person-years compared with 15.0-15.9 in regional and major city areas). Rates for all treatments decreased with increasing socioeconomic disadvantage (radical prostatectomy 19.1 /10 000 person-years in the most advantaged areas compared with 12.9 in the most disadvantaged areas). Three groups of similar areas were identified: those with higher rates of radical prostatectomy, those with higher rates of low dose brachytherapy, and those with low interventional treatment rates but higher rates of excess deaths. The most disadvantaged areas and remote areas tended to be in the latter group. CONCLUSIONS: The geographic differences in treatment rates may partly reflect differences in patients' physical and financial access to treatments. Treatment rates also depend on diagnosis rates and thus reflect variation in investigation rates for prostate cancer and presentation of disease. Spatial variation in interventional treatments may aid identification of areas of under-treatment or over-treatment.


Assuntos
Braquiterapia , Neoplasias da Próstata , Masculino , Humanos , Adulto , Pessoa de Meia-Idade , Neoplasias da Próstata/epidemiologia , Neoplasias da Próstata/terapia , Neoplasias da Próstata/etiologia , Antígeno Prostático Específico , Próstata , Prostatectomia/efeitos adversos , Austrália/epidemiologia
7.
PLoS One ; 18(11): e0294379, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37943757

RESUMO

[This corrects the article DOI: 10.1371/journal.pone.0233499.].

8.
Med J Aust ; 219(9): 409-416, 2023 11 06.
Artigo em Inglês | MEDLINE | ID: mdl-37667512

RESUMO

OBJECTIVES: To assess associations between breast cancer-specific survival and timeliness of treatment, based on 2020 Australian guidelines for the treatment of early breast cancer. DESIGN: Population-based cohort study; analysis of linked Queensland Cancer Register, patient medical record, and National Death Index data, supplemented by telephone interviews. SETTING, PARTICIPANTS: Women aged 20-79 years diagnosed with invasive breast cancer during 1 March 2010 - 30 June 2013, followed to 31 December 2020. MAIN OUTCOME MEASURES: Breast cancer-specific survival for women who received or did not receive treatment within the recommended timeframe, overall and for six treatment intervals; optimal cut-points for each treatment interval; characteristics of women for whom treatment was not provided within the recommended timeframe. RESULTS: Of 5426 eligible women, 4762 could be invited for interviews; complete data were available for 3044 women (56% of eligible women, 65% of invited women). Incomplete compliance with guideline interval recommendations was identified for 1375 women (45%); their risk of death from breast cancer during the follow-up period was greater than for those for whom guideline compliance was complete (adjusted hazard ratio [aHR], 1.43; 95% confidence interval [CI], 1.04-1.96). Risk of death was greater for women for whom the diagnosis to surgery interval exceeded 29 days (aHR, 1.76; 95% CI, 1.19-2.59), the surgery to chemotherapy interval exceeded 36 days (aHR, 1.63; 95% CI, 1.13-2.36), or the chemotherapy to radiotherapy interval exceeded 31 days (aHR, 1.83; 95% CI, 1.19-2.80). Treatment intervals longer than recommended were more frequent for women for whom breast cancer was detected by public facility screening (adjusted odds ratio [aOR], 1.58; 95% CI, 1.22-2.04) or by symptoms (aOR, 1.39; 95% CI, 1.09-1.79) than when cancer had been detected in private facilities, and for women without private health insurance (aOR, 1.96; 95% CI, 1.66-2.32) or living outside major cities (aOR, 1.38; 95% CI, 1.18-1.62). CONCLUSIONS: Breast cancer-specific survival was poorer for women for whom the diagnosis to surgery, surgery to chemotherapy, or chemotherapy to radiotherapy intervals exceeded guideline-recommended limits. Our findings support 2020 Australian guideline recommendations regarding timely care.


Assuntos
Neoplasias da Mama , Feminino , Humanos , Neoplasias da Mama/terapia , Neoplasias da Mama/tratamento farmacológico , Estudos de Coortes , Queensland/epidemiologia , Austrália , Mama
9.
Stroke Vasc Neurol ; 8(6): 486-502, 2023 12 29.
Artigo em Inglês | MEDLINE | ID: mdl-37137522

RESUMO

BACKGROUND: Inflammation-exacerbated secondary brain injury and limited tissue regeneration are barriers to favourable prognosis after intracerebral haemorrhage (ICH). As a regulator of inflammation and lipid metabolism, Liver X receptor (LXR) has the potential to alter microglia/macrophage (M/M) phenotype, and assist tissue repair by promoting cholesterol efflux and recycling from phagocytes. To support potential clinical translation, the benefits of enhanced LXR signalling are examined in experimental ICH. METHODS: Collagenase-induced ICH mice were treated with the LXR agonist GW3965 or vehicle. Behavioural tests were conducted at multiple time points. Lesion and haematoma volume, and other brain parameters were assessed using multimodal MRI with T2-weighted, diffusion tensor imaging and dynamic contrast-enhanced MRI sequences. The fixed brain cryosections were stained and confocal microscopy was applied to detect LXR downstream genes, M/M phenotype, lipid/cholesterol-laden phagocytes, oligodendrocyte lineage cells and neural stem cells. Western blot and real-time qPCR were also used. CX3CR1CreER: Rosa26iDTR mice were employed for M/M-depletion experiments. RESULTS: GW3965 treatment reduced lesion volume and white matter injury, and promoted haematoma clearance. Treated mice upregulated LXR downstream genes including ABCA1 and Apolipoprotein E, and had reduced density of M/M that apparently shifted from proinflammatory interleukin-1ß+ to Arginase1+CD206+ regulatory phenotype. Fewer cholesterol crystal or myelin debris-laden phagocytes were observed in GW3965 mice. LXR activation increased the number of Olig2+PDGFRα+ precursors and Olig2+CC1+ mature oligodendrocytes in perihaematomal regions, and elevated SOX2+ or nestin+ neural stem cells in lesion and subventricular zone. MRI results supported better lesion recovery by GW3965, and this was corroborated by return to pre-ICH values of functional rotarod activity. The therapeutic effects of GW3965 were abrogated by M/M depletion in CX3CR1CreER: Rosa26iDTR mice. CONCLUSIONS: LXR agonism using GW3965 reduced brain injury, promoted beneficial properties of M/M and facilitated tissue repair correspondent with enhanced cholesterol recycling.


Assuntos
Lesões Encefálicas , Microglia , Camundongos , Animais , Receptores X do Fígado/agonistas , Receptores X do Fígado/metabolismo , Microglia/metabolismo , Receptores Nucleares Órfãos/agonistas , Receptores Nucleares Órfãos/metabolismo , Imagem de Tensor de Difusão , Macrófagos/metabolismo , Colesterol/metabolismo , Colesterol/farmacologia , Hemorragia Cerebral/metabolismo , Inflamação , Lesões Encefálicas/metabolismo , Hematoma
10.
Breast Cancer ; 30(3): 466-477, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-36809492

RESUMO

BACKGROUND: Interval breast cancers (BC) are those diagnosed within 24 months of a negative mammogram. This study estimates the odds of being diagnosed with high-severity BC among screen-detected, interval, and other symptom-detected BC (no screening history within 2 years); and explores factors associated with being diagnosed with interval BC. METHODS: Telephone interviews and self-administered questionnaires were conducted among women (n = 3,326) diagnosed with BC in 2010-2013 in Queensland. Respondents were categorised into screen-detected, interval, and other symptom-detected BCs. Data were analysed using logistic regressions with multiple imputation. RESULTS: Compared with screen-detected BC, interval BC had higher odds of late-stage (OR = 3.50, 2.9-4.3), high-grade (OR = 2.36, 1.9-2.9) and triple-negative cancers (OR = 2.55, 1.9-3.5). Compared with other symptom-detected BC, interval BC had lower odds of late stage (OR = 0.75, 0.6-0.9), but higher odds of triple-negative cancers (OR = 1.68, 1.2-2.3). Among women who had a negative mammogram (n = 2,145), 69.8% were diagnosed at their next mammogram, while 30.2% were diagnosed with an interval cancer. Those with an interval cancer were more likely to have healthy weight (OR = 1.37, 1.1-1.7), received hormone replacement therapy (2-10 years: OR = 1.33, 1.0-1.7; > 10 years: OR = 1.55, 1.1-2.2), conducted monthly breast self-examinations (BSE) (OR = 1.66, 1.2-2.3) and had previous mammogram in a public facility (OR = 1.52, 1.2-2.0). CONCLUSION: These results highlight the benefits of screening even among those with an interval cancer. Women-conducted BSE were more likely to have interval BC which may reflect their increased ability to notice symptoms between screening intervals.


Assuntos
Neoplasias da Mama , Feminino , Humanos , Neoplasias da Mama/diagnóstico por imagem , Neoplasias da Mama/epidemiologia , Queensland/epidemiologia , Mama , Mamografia/métodos , Austrália , Fatores de Risco , Programas de Rastreamento/métodos , Detecção Precoce de Câncer/métodos
11.
Psychooncology ; 32(4): 569-580, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-36694302

RESUMO

OBJECTIVE: To assess the acceptability of a nurse-led prostate cancer survivorship intervention adapted for virtual delivery and tailored to post-surgical care, in a regional Australian hospital and health service. METHODS: A qualitative exploratory study using the Theoretical Framework of Acceptability (TFA). RESULTS: Twenty-two participants took part in a semistructured interview comprising men who had completed the program (n = 16) and health professionals/service stakeholders involved in program delivery (n = 6). Acceptability of this virtual prostate cancer survivorship care program was very high across all constructs of the TFA, from the perspectives of both program recipients and those delivering the program. The quality of care received was seen as superior to what men had experienced previously (burden, opportunity costs). The time afforded by the regularly scheduled video-consultations allowed men to come to terms with the recovery process in their own time (self-efficacy), and provided an ongoing sense of support and access to care outside the consultation (ethicality). Clinically, the program improved care co-ordination, expedited identification of survivorship care needs, and met service priorities of providing quality care close to home (burden, perceived effectiveness). CONCLUSIONS: Findings from this study suggest virtual post-surgical care delivered via videoconferencing is highly acceptable to prostate cancer survivors in a regional setting. Future research exploring virtual program implementation at scale and long-term patient and service outcomes is warranted.


Assuntos
Sobreviventes de Câncer , Neoplasias da Próstata , Masculino , Humanos , Sobrevivência , Próstata , Austrália , Neoplasias da Próstata/terapia
12.
JCO Glob Oncol ; 9: e2200429, 2023 01.
Artigo em Inglês | MEDLINE | ID: mdl-36706348
13.
Semin Oncol Nurs ; 39(1): 151366, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-36411123

RESUMO

OBJECTIVES: Survivorship care is an essential component of quality cancer care. Although nurses are uniquely positioned to deliver effective and efficient nurse-led survivorship care, they report that their experiences of survivorship care provision are fragmented, under-resourced, and often distressing for the patient. DATA SOURCES: Here we report the culmination of a 4-year program of research and more than a decade of nurse-led work, to improve the survivorship care experience for men with prostate cancer comprising of: (1) the evolution of a national specialist prostate cancer nursing service; (2) a nursing Delphi study to determine prostate cancer survivorship care experiences and priorities; (3) the development of the Prostate Cancer Survivorship Essentials Framework, which provides a road map for improving quality prostate cancer survivorship care across a variety of settings; and (4) the translation of the framework into nursing practice through the development of My Personal Plan, a person-centered, evidence-informed survivorship care plan. CONCLUSION: Through the leadership of a national prostate cancer specialist nursing service, the provision of a coordinated, evidence-informed person-centered survivorship care service is now achievable. This program of work has demonstrated that irrespective of the setting or mode of delivery, specialist nurses involved in the care of men with prostate cancer and their families are leading best practice through the translation of evidence into everyday clinical practice. IMPLICATIONS FOR NURSING PRACTICE: There is an urgent need to address the significant challenges that a prostate cancer diagnosis can bring, and nurses are at the forefront and lead survivorship care delivery, which includes: (1) routine distress screening and referral to tailored evidence-based psychological care; (2) the provision of person-centered care that connects to effective symptom management; (3) self-management support; and (4) signposting to additional services which extend beyond the acute care setting.


Assuntos
Enfermeiras e Enfermeiros , Neoplasias da Próstata , Masculino , Humanos , Sobrevivência , Papel do Profissional de Enfermagem/psicologia , Cuidados Paliativos
14.
Psychooncology ; 32(1): 3-5, 2023 01.
Artigo em Inglês | MEDLINE | ID: mdl-36456764

RESUMO

OBJECTIVES: This Special Issue of Psycho-Oncology is focused on challenges and opportunities in the provision of psychosocial care to patients in low and middle-income countries (LMICs). The aim is to highlight global disparities and inequity in the provision of evidence-based, culturally-sensitive and timely psychosocial care and to showcase the work of researchers and practitioners to address this gap. We hope that this Issue will help to advance the psychological and social dimensions of cancer care in all parts of the world. METHODS: The focus of the papers is on research and clinical innovations in LMICs that target the psychological, social and cultural dimensions of cancer and on interventions to improve or maintain the psychological well-being, social functioning and/or quality of life of those who are affected and their families. RESULTS: These papers draw attention to guidelines, resource needs, clinical service evaluation, emerging research and knowledge translation within LMICs that advance knowledge and implementation in the field of psycho-oncology. CONCLUSIONS: Innovations and advances in psycho-oncology are emerging from LMICs to enhance the care of patients with cancer and their families in these regions and in all parts of the world. A sustained global initiative is now needed to ensure that guidelines for such care are routinely included in global, national and local cancer control plans and that essential resources and attention are directed to implement them.


Assuntos
Neoplasias , Psico-Oncologia , Humanos , Países em Desenvolvimento , Qualidade de Vida , Neoplasias/terapia , Neoplasias/psicologia , Atenção à Saúde
15.
J Cancer Surviv ; 17(2): 441-448, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-35334076

RESUMO

PURPOSE: The purpose of the study was to investigate the amount and type of survivorship care information received by cancer survivors living in rural Australia and whether this varies according to demographic factors or cancer type. METHODS: Self-reported receipt of a survivorship care plan (SCP) and information on various aspects of survivorship care (e.g., managing side effects, healthy lifestyles, psychosocial advice and monitoring for recurrence) were collected from 215 cancer survivors who had returned home to a rural area in Queensland Australia after receiving cancer treatment in a major city within the previous 5 years (72% in the previous 12 months). Logistic regression was used to assess for differences across demographic factors and cancer type. RESULTS: Only 35% of participants reported receiving a SCP and proportions of those reporting the receipt of specific information varied from 74% for information on short-term side effects to less than 30% for information on finances, chemoprevention and monitoring for signs of recurrence. No significant differences were found in the receipt of survivorship care information across demographic factors or cancer type. CONCLUSIONS: Findings suggest that cancer survivors living in rural areas are not consistently provided with adequate survivorship care information, particularly that pertaining to long-term health and recovery. IMPLICATIONS FOR CANCER SURVIVORS: Without improved systems for delivering survivorship care information to patients returning home to rural communities after treatment, these cancer survivors risk missing out on necessary information and advice to maintain their health, wellbeing and long-term recovery.


Assuntos
Sobreviventes de Câncer , Neoplasias , Humanos , Sobreviventes de Câncer/psicologia , Sobrevivência , População Rural , Neoplasias/terapia , Autorrelato , Planejamento de Assistência ao Paciente
16.
Cancer Immunol Immunother ; 72(3): 733-742, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36194288

RESUMO

BACKGROUND: The role of tumor-associated macrophages (TAMs) in glioblastoma (GBM) disease progression has received increasing attention. Recent advances have shown that TAMs can be re-programmed to exert a pro-inflammatory, anti-tumor effect to control GBMs. However, imaging methods capable of differentiating tumor progression from immunotherapy treatment effects have been lacking, making timely assessment of treatment response difficult. We showed that tracking monocytes using iron oxide nanoparticle (USPIO) with MRI can be a sensitive imaging method to detect therapy response directed at the innate immune system. METHODS: We implanted syngeneic mouse glioma stem cells into C57/BL6 mice and treated the animals with either niacin (a stimulator of innate immunity) or vehicle. Animals were imaged using an anatomical MRI sequence, R2* mapping, and quantitative susceptibility mapping (QSM) before and after USPIO injection. RESULTS: Compared to vehicles, niacin-treated animals showed significantly higher susceptibility and R2*, representing USPIO and monocyte infiltration into the tumor. We observed a significant reduction in tumor size in the niacin-treated group 7 days later. We validated our MRI results with flow cytometry and immunofluoresence, which showed that niacin decreased pro-inflammatory Ly6C high monocytes in the blood but increased CD16/32 pro-inflammatory macrophages within the tumor, consistent with migration of these pro-inflammatory innate immune cells from the blood to the tumor. CONCLUSION: MRI with USPIO injection can detect therapeutic responses of innate immune stimulating agents before changes in tumor size have occurred, providing a potential complementary imaging technique to monitor cancer immunotherapies. MANUSCRIPT HIGHLIGHT: We show that iron oxide nanoparticles (USPIOs) can be used to label innate immune cells and detect the trafficking of pro-inflammatory monocytes into the glioblastoma. This preceded changes in tumor size, making it a more sensitive imaging technique.


Assuntos
Glioblastoma , Glioma , Niacina , Camundongos , Animais , Monócitos/patologia , Glioma/patologia , Modelos Animais , Imageamento por Ressonância Magnética/métodos
17.
PLoS One ; 17(11): e0276063, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36350899

RESUMO

OBJECTIVES: Qualitative studies nested within clinical trials can provide insight into the treatment experience, how this evolves over time and where improved supportive care is required. The purpose of this qualitative study is to describe the lived experiences of men with advanced prostate cancer participating in the TheraP trial; a randomised trial of 177Lu-PSMA-617 compared with cabazitaxel chemotherapy. METHODS: Fifteen men with advanced prostate cancer were recruited from the TheraP clinical trial with interviews conducted at three timepoints during the trial. An interpretative phenomenological approach was used, and interviews analysed using thematic analysis. This research paper reports the results from the mid-point, conclusion and follow up interviews, focusing specifically on participants' experiences of trial participation. RESULTS: Three themes were identified representing the lived experiences of men with advanced prostate cancer participating in the TheraP trial: (1) facing limited options; (2) anticipating outcomes and (3) coping with health changes. CONCLUSIONS: Men who enrol in clinical trial of anti-neoplastic treatments for prostate cancer need targeted psychological and supportive care that includes attention to unique aspects of the experience of having prostate cancer and being in a clinical trial. As part of their trial experience, men with advanced prostate cancer need to be regularly assessed for survivorship needs, fully informed, supported and referred to services for regular care and support across the trajectory of their disease. TRIAL REGISTRATION: NCT03392428. Registered on 8 January 2018 (ANZUP1603).


Assuntos
Neoplasias da Próstata , Masculino , Humanos , Estudos Longitudinais , Neoplasias da Próstata/tratamento farmacológico , Neoplasias da Próstata/radioterapia , Neoplasias da Próstata/psicologia , Pesquisa Qualitativa , Adaptação Psicológica , Sobrevivência
18.
Aust N Z J Public Health ; 46(6): 850-857, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36121279

RESUMO

OBJECTIVE: Rural cancer caregivers report poor wellbeing and high unmet needs for support. This study investigates sources of support sought by cancer caregivers living in rural Australia, and factors associated with support-seeking. METHODS: Informal caregivers of people with cancer completed a questionnaire assessing sociodemographic characteristics, caregiver factors and support-seeking. Descriptive statistics, bivariate analyses and logistic regression were used to identify common sources of support and factors associated with support-seeking. Alluvial and radar plots were used to identify and describe support-seeking profiles. FINDINGS: Of 244 rural caregivers, 64% reported seeking support for themselves, 72% for the cancer patient, and 22% did not seek any support. The most common sources of support were general practitioners and online. Higher caregiver burden, higher income, caring for someone with anxiety/depression or caring for someone who has difficulty completing their usual activities were associated with seeking support from a greater number of sources. The 'No support-seekers' profile had the highest proportions of caregivers who were male, caring for someone <12 months post-diagnosis and lower income earners. CONCLUSIONS: Many rural caregivers seek support for themselves and the cancer patient, commonly from medical and online sources. IMPLICATIONS FOR PUBLIC HEALTH: Further work may be needed to reduce caregiver burden and support caregivers who are male, caring for someone recently diagnosed, and those with lower incomes.


Assuntos
Cuidadores , Neoplasias , Masculino , Humanos , Feminino , Depressão , População Rural , Inquéritos e Questionários
19.
Breast Cancer Res Treat ; 195(2): 191-200, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35896851

RESUMO

PURPOSE: Prognostic models can help inform patients on the future course of their cancer and assist the decision making of clinicians and patients in respect to management and treatment of the cancer. In contrast to previous studies considering survival following treatment, this study aimed to develop a prognostic model to quantify breast cancer-specific survival at the time of diagnosis. METHODS: A large (n = 3323), population-based prospective cohort of women were diagnosed with invasive breast cancer in Queensland, Australia between 2010 and 2013, and followed up to December 2018. Data were collected through a validated semi-structured telephone interview and a self-administered questionnaire, along with data linkage to the Queensland Cancer Register and additional extraction from medical records. Flexible parametric survival models, with multiple imputation to deal with missing data, were used. RESULTS: Key factors identified as being predictive of poorer survival included more advanced stage at diagnosis, higher tumour grade, "triple negative" breast cancers, and being symptom-detected rather than screen detected. The Harrell's C-statistic for the final predictive model was 0.84 (95% CI 0.82, 0.87), while the area under the ROC curve for 5-year mortality was 0.87. The final model explained about 36% of the variation in survival, with stage at diagnosis alone explaining 26% of the variation. CONCLUSIONS: In addition to confirming the prognostic importance of stage, grade and clinical subtype, these results highlighted the independent survival benefit of breast cancers diagnosed through screening, although lead and length time bias should be considered. Understanding what additional factors contribute to the substantial unexplained variation in survival outcomes remains an important objective.


Assuntos
Neoplasias da Mama , Austrália , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/epidemiologia , Neoplasias da Mama/terapia , Feminino , Humanos , Prognóstico , Estudos Prospectivos , Queensland/epidemiologia
20.
Psychooncology ; 31(11): 1951-1957, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-35726399

RESUMO

OBJECTIVE: To identify whether supportive care needs vary according to remoteness and area-level socio-economic status and to identify the combinations of socio-demographic, area-level and health factors that are associated with poorer quality of life, psychological distress and severity of unmet supportive care needs. METHODS: Cross sectional data was collected from women with a breast cancer diagnosis (n = 2635) in Queensland, Australia, through a telephone survey including socio-demographic, health, psychosocial and supportive care needs measures. Hierarchical regression and cluster analyses were applied to assess the predictors of unmet need and psychosocial outcomes and to identify socio-demographic and health status profiles of women, comparing their level of unmet needs and psychosocial outcomes. RESULTS: Women living in outer regional areas reported the highest severity of unmet need in the patient care domain. Greater unmet need for health systems and information and patient care was also evident for those in moderately and most disadvantaged areas. Three clusters were identified reflecting (1) older women with poorer health and lower education (19%); (2) younger educated women with better health and private insurance (61%); and (3) physically active women with localised cancer who had completed treatment (20%). Poorer outcomes were evident in the first two of these clusters. CONCLUSIONS: This better understanding of the combinations of characteristics associated with poorer psychosocial outcomes and higher unmet need can be used to identify women with higher supportive care needs early and to target interventions.


Assuntos
Neoplasias da Mama , Feminino , Humanos , Idoso , Neoplasias da Mama/psicologia , Qualidade de Vida/psicologia , Apoio Social , Estudos Transversais , Inquéritos e Questionários , Necessidades e Demandas de Serviços de Saúde
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