Publications by authors named "Blinman P"

Article Synopsis
  • The study examined whether comprehensive geriatric assessment (CGA)-guided care enhances health-related quality of life (HRQL) in older cancer patients compared to standard care.
  • Meta-analyses showed a potential moderate improvement in HRQL scores at 3 months, though results were not definitive and depended on the size and type of trials.
  • Overall, findings suggested that larger RCTs and those requiring CGA before cancer treatment were more likely to show better HRQL outcomes.
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Introduction: Consolidation durvalumab following platinum-based chemoradiotherapy (CRT) significantly improved overall survival for patients with unresectable stage III non-small cell lung cancer (NSCLC) in the PACIFIC trial. However, older patients were underrepresented in PACIFIC, and subsequent analyses suggested trends toward poorer survival and increased toxicity in patients aged ≥70 years old. We assessed the effectiveness and safety of consolidation durvalumab following CRT in older Australian patients with unresectable stage III NSCLC.

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Objectives: Therapeutic drug monitoring allows personalized dosing of chemotherapy, but is not well established for capecitabine. The aim of this study was to compare the concentrations of capecitabine and its metabolites obtained simultaneously by microsampling with plasma sampling and their acceptability to patients.

Methods: Adults taking capecitabine for cancer had paired (duplicate) microsampling at steady state (hour 2 post dose) using Mitra® devices and venous blood samples for analysis.

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Introduction: This systematic review aims to summarise the available literature on the effect of geriatric assessment (multidimensional health assessment across medical, social, and functional domains; "GA") or comprehensive geriatric assessment (geriatric assessment with intervention or management recommendations; "CGA") compared to usual care for older adults with cancer on care received, treatment completion, adverse treatment effects, survival and health-related quality of life.

Materials And Methods: A systematic search of MEDLINE, EMBASE, CINAHL, and PubMed was conducted to identify randomised controlled trials or prospective cohort comparison studies on the effect of GA/CGA on care received, treatment, and cancer outcomes for older adults with cancer.

Results: Ten studies were included: seven randomised controlled trials (RCTs), two phase II randomised pilot studies, and one prospective cohort comparison study.

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Background: Capecitabine is an oral chemotherapy prodrug of 5-fluorouracil (5-FU) with unpredictable toxicity, especially in older adults. The aim of this study was to evaluate the pharmacokinetics (PK) of capecitabine and its metabolites in younger adults (< 70 years) and older adults (≥ 70 years) receiving capecitabine for solid cancer.

Methods: Eligible participants receiving capecitabine had 2 venous samples collected on day 14 of cycle 1 and cycle 2 of their treatment.

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Background: Scan-associated anxiety (or "scanxiety") is commonly experienced by people having cancer-related scans. Social media platforms such as Twitter provide a novel source of data for observational research.

Objective: We aimed to identify posts on Twitter (or "tweets") related to scanxiety, describe the volume and content of these tweets, and describe the demographics of users posting about scanxiety.

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Background: Dried blood spot (DBS) sampling is a convenient alternative to whole-blood sampling for therapeutic drug monitoring (TDM) in clinical practice. The aim of this study was to systematically review studies that have examined and used DBS sampling for the TDM of chemotherapy and targeted therapy agents for the treatment of patients with solid cancers.

Methods: Using the PRISMA guidelines, a systematic literature search of EMBASE and PUBMED was performed to identify eligible clinical studies that used DBS sampling to monitor chemotherapy or targeted therapy for the treatment of solid cancers.

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Purpose: This study aims to evaluate the efficacy and safety of laser photobiomodulation (PBM) for treatment of established chemotherapy-induced peripheral neuropathy (CIPN) in cancer survivors.

Methods: We conducted a randomised phase II, non-comparative, sham-controlled, single-blinded clinical trial in 44 cancer survivors reporting CIPN symptoms at least 3 months following completion of neurotoxic chemotherapy. Participants were randomised 2:1 to either PBM laser or sham control delivered twice weekly for 12 sessions.

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Background: Chemotherapy-induced peripheral neuropathy (CIPN) can be a debilitating toxicity of oxaliplatin used for treatment of colorectal cancer (CRC). We aimed to assess CIPN symptoms and associations in our colorectal survivorship population and review the impact of neurotoxicity on dose delivery of oxaliplatin.

Patients And Methods: Patients attending their first visit to the Sydney Cancer Survivorship Centre following completion of adjuvant treatment for CRC completed comprehensive patient-reported outcome measures, including symptoms, quality of life (QoL), alcohol intake, and exercise habits.

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This study aimed to examine coping strategies used by advanced colorectal cancer (CRC-A) survivors to manage death anxiety and fear of cancer progression, and links between these strategies and quality of life (QoL), distress, and death acceptance. Qualitative semi-structured interviews of 38 CRC-A survivors (22 female) were analysed via framework analysis. QoL and distress were assessed through the FACT-C and Distress Thermometer.

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Background: Chemotherapy-induced peripheral neuropathy (CIPN) is a common dose-limiting toxicity for people treated for cancer. Impaired balance and falls are functional consequences of CIPN. Virtual reality (VR) technology may be able to assess balance and identify patients at risk of falls.

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Purpose: Modern treatments, including surgery and palliative chemotherapy without surgery, enable longer survival for people with advanced/recurrent colorectal cancer (CRC). Qualitative research comparing the physical and psychosocial outcomes of these different treatments is lacking. This study therefore aimed to explore and compare the physical and psychosocial challenges and survivorship experiences of people who receive different treatments for advanced CRC, through a qualitative study.

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Purpose: Colorectal cancer (CRC) is the third most common cancer worldwide. After curative intent treatment, international guidelines recommend surveillance protocols which include annual CT chest, abdomen and pelvis (CAP) and serum carcinoembryonic antigen (CEA) monitoring which aim to improve overall survival by early detection of recurrence. Despite the widespread recommendations, robust evidence of an overall survival benefit is lacking.

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Background: The COVID-19 pandemic has had a vast impact on cancer service delivery around the world. Previously reported results from our international survey of oncology clinicians, conducted through March-April 2020, found that clinicians reported altering management in both the curative and palliative settings and not in proportion to the COVID-19 case burden in their region of practice. This follow-up survey, conducted from 27 September to 7 November 2020, aimed to explore how attitudes and practices evolved over the 2020 pandemic period.

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Purpose: Chemotherapy-induced peripheral neuropathy (CIPN) is the most common dose-limiting side effect of oxaliplatin. It often persists and can adversely affect quality of life of colorectal cancer (CRC) survivors. This systematic review explored the proportions of patients with persistent CIPN and the reporting methods used.

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Purpose: Scan-associated anxiety ('scanxiety') is a problem for people with advanced cancer. We aimed to determine the prevalence, severity and associations of scanxiety in this population.

Methods: People with advanced cancer and a computed tomography scan within the last 4 months completed a multicentre survey including self-rated presence (yes/no) and severity (distress thermometer, 0-10) of scanxiety, state anxiety (STAI-6), clinical anxiety and depression (HADS), and fear of progression (FOP-Q-SF).

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Background: SCOT was an international, randomized phase 3 trial of 3 months vs 6 months of adjuvant chemotherapy with oxaliplatin and a fluoropyrimidine in patients with colorectal cancer. We sought patients' preferences for 3 months vs 6 months of adjuvant chemotherapy in the SCOT trial.

Methods: SCOT participants from Australia and New Zealand completed a validated questionnaire (at 3 and 18 months) to elicit the minimum survival benefits judged necessary to make an extra 3 months of adjuvant chemotherapy worthwhile, based on their experience.

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People with cancer are vulnerable to increased morbidity and mortality from the coronavirus disease 2019 (COVID-19). COVID-19 vaccination is key to protecting the population of people with cancer from adverse outcomes of SARS-CoV-2 infection. The Medical Oncology Group of Australia aimed to address the considerations around COVID-19 vaccination in people with cancer, in particular, safety and efficacy of vaccination.

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Purpose: Scan-associated anxiety ('scanxiety') in people with advanced cancer is a common clinical problem. This study aims to explore the experiences of scans and scanxiety in people with advanced cancer, including their strategies to reduce scanxiety.

Methods: Semi-structured qualitative interviews were conducted with people with advanced cancers who had a computed tomography scan for monitoring of their cancer.

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Article Synopsis
  • The study looked at how many people feel anxious before having medical scans for cancer, which is called 'scanxiety.'
  • Researchers found that scanxiety affects different percentages of patients and can be influenced by factors like education level and pain.
  • Some methods like relaxation and distraction were used to help reduce scanxiety, and many people felt less anxious after their scans.
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Background: Approximately half of all patients with advanced EGFR-mutant NSCLC will develop acquired resistance to first or second-generation EGFR tyrosine kinase inhibitors (EGFR-TKIs) with a T790M mutation. In the AURA3 trial, patients with a T790M mutation had a response rate of 71% to osimertinib, a third-generation EGFR-TKI. The response to osimertinib may vary according to plasma T790M mutation frequency.

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Objectives: Predictive biomarkers for poor response to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) is an area of ongoing research. This multicentre retrospective study sought to determine the impact of programmed death-ligand 1 (PD-L1) tumour proportional score (TPS) on outcome in EGFR TKI treated patients.

Materials And Methods: Patients with Stage IIIB/IV lung adenocarcinoma harbouring a sensitising EGFR mutation treated with first-line TKI at five metropolitan hospitals were included.

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Objectives: To report clinician-perceived changes to cancer service delivery in response to COVID-19.

Design: Multidisciplinary Australasian cancer clinician survey in collaboration with the European Society of Medical Oncology.

Setting: Between May and June 2020 clinicians from 70 countries were surveyed; majority from Europe (n=196; 39%) with 1846 COVID-19 cases per million people, Australia (AUS)/New Zealand (NZ) (n=188; 38%) with 267/236 per million and Asia (n=75; 15%) with 121 per million at time of survey distribution.

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Aim: To define the prevalence and severity of fear of cancer recurrence and identify factors associated with fear of cancer recurrence in breast cancer and colorectal cancer survivors attending the Sydney Cancer Survivorship Clinic.

Methods: A cross-sectional study was performed using prospectively collected data. Survivors completed questionnaires assessing quality of life (Functional Assessment of Cancer Therapy-General and symptoms (Distress Thermometer, Patient's Disease and Treatment Assessment Form)).

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Purpose: This prospective, open-label, sequential 'before vs. after' pilot study was conducted to provide preliminary efficacy and tolerability data for ibudilast in the prevention of oxaliplatin-induced neurotoxicity in patients with metastatic upper gastrointestinal or colorectal cancer. Any potential impact of ibudilast on oxaliplatin and 5-fluorouracil pharmacokinetics was also explored.

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