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Aim Patients with cancer have varied preferences for involvement in decision-making. We sought older adults' preferred and perceived roles in decision-making about palliative chemotherapy; priorities; and information received and desired. Methods Patients ≥65y who had made a decision about palliative chemotherapy with an oncologist completed a written questionnaire. Preferred and perceived decision-making roles were assessed by the Control Preferences Scale. Wilcoxon rank-sum tests evaluated associations with preferred role. Factors important in decision-making were rated and ranked, and receipt of, and desire for information was described. Results Characteristics of the 179 respondents: median age 74y, male (64%), having chemotherapy (83%), vulnerable (Vulnerable Elders Survey-13 score ≥ 3) (52%). Preferred decision-making roles (n = 173) were active in 39%, collaborative in 27%, and passive in 35%. Perceived decision-making roles (n = 172) were active in 42%, collaborative in 22%, and passive in 36% and matched the preferred role for 63% of patients. Associated with preference for an active role: being single/widowed (p = .004, OR = 1.49), having declined chemotherapy (p = .02, OR = 2.00). Ranked most important (n = 159) were “doing everything possible” (30%), “my doctor's recommendation” (26%), “my quality of life” (20%), and “living longer” (15%). A minority expected chemotherapy to cure their cancer (14%). Most had discussed expectations of cure (70%), side effects (88%) and benefits (82%) of chemotherapy. Fewer had received quantitative prognostic information (49%) than desired this information (67%). Conclusion Older adults exhibited a range of preferences for involvement in decision-making about palliative chemotherapy. Oncologists should seek patients' decision-making preferences, priorities, and information needs when discussing palliative chemotherapy.

Background This multicentre, randomised, double-blinded, placebo-controlled, phase II/III trial aimed to evaluate an oral THC:CBD (tetrahydrocannabinol:cannabidiol) cannabis extract for prevention of refractory chemotherapy-induced nausea and vomiting (CINV). Here we report the phase II component results. Patients and methods Eligible patients experienced CINV during moderate-to-high emetogenic intravenous chemotherapy despite guideline-consistent antiemetic prophylaxis. Study treatment consisted of one cycle of 1–4 self-titrated capsules of oral THC 2.5 mg/CBD 2.5 mg (TN-TC11M) three times daily, from days −1 to 5, and 1 cycle of matching placebo in a crossover design, then blinded patient preference for a third cycle. The primary end point was the proportion of participants with complete response during 0–120 h from chemotherapy. A total of 80 participants provided 80% power to detect a 20% absolute improvement with a two-sided P value of 0.1. Results A total of 81 participants were randomised; 72 completing two cycles were included in the efficacy analyses and 78 not withdrawing consent were included in safety analyses. Median age was 55 years (range 29–80 years); 78% were female. Complete response was improved with THC:CBD from 14% to 25% (relative risk 1.77, 90% confidence interval 1.12–2.79, P = 0.041), with similar effects on absence of emesis, use of rescue medications, absence of significant nausea, and summary scores for the Functional Living Index-Emesis (FLIE). Thirty-one percent experienced moderate or severe cannabinoid-related adverse events such as sedation, dizziness, or disorientation, but 83% of participants preferred cannabis to placebo. No serious adverse events were attributed to THC:CBD. Conclusion The addition of oral THC:CBD to standard antiemetics was associated with less nausea and vomiting but additional side-effects. Most participants preferred THC:CBD to placebo. Based on these promising results, we plan to recruit an additional 170 participants to complete accrual for the definitive, phase III, parallel group analysis. Trial Registration Australian New Zealand Clinical Trials Registry ACTRN12616001036404; https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=370473&isReview=true .

Objectives Industry-supported decision impact studies demonstrate that Oncotype Dx (ODX) changes treatment recommendations (TR) in 24-40% of hormone receptor+/HER2- patients. ODX is not reimbursed by third-party payers in Australia, potentially resulting in more selective use. We sought to evaluate the impact of self-funded ODX on TRs. Methods Data collected included demographics, tumor characteristics, indication for ODX and pre- and post-recurrence score (RS) TR. Primary endpoint was frequency of TR change and associations with TR change were sought. Results Eighteen physicians contributed 382 patients (median age 54). A total of 232 (61%) of tumors were T1 and were grade 1, 2 and 3 in 49 (13%), 252 (66%) and 79 (21%). A total of 257 (67%) were node negative. Assay indications were: confirm need for chemotherapy (CT) (36%), confirm omission of CT (40%) and genuine equipoise (24%). RS was low (≤17) in 55%, intermediate (18-31) in 36% and high (≥32) in 9%. Thirty-eight percent of patients had TR change post-ODX. Sixty-five percent of patients recommended CT pre-ODX changed to hormone therapy alone (HT)-more likely if lower grade and if ER and/or PR > 10%. Fourteen percent of patients with pre-ODX TR for HT added CT-more likely if ER and/or PR ≤10% and if Ki67 > 15% Overall, TR for CT decreased from 47% to 24%. Conclusion Patient-funded ODX changed TRs in 38% of patients, de-escalating 65% from CT to HT and adding CT to 14% of those recommended HT. These changes were greater than an industry-funded study suggesting that physicians can identify situations where the assay may influence decisions.

© 2019 John Wiley & Sons Ltd Objective: To examine risk of emergency hospital admission and survival following adjuvant chemotherapy for early breast cancer. Methods: Linked data from New South Wales population-based and clinical cancer registries (2008–2012), hospital admissions, official death records and pharmaceutical benefit claims. Women aged ≥18 years receiving adjuvant chemotherapy for early-stage operable breast cancer in NSW public hospitals were included. Odds ratios (OR) for emergency hospitalisation within 6 months following chemotherapy initiation were estimated using logistic regression and survival using Kaplan–Meier and Cox proportional hazards methods. Results: A total of 3,950 women were included and 30.6% were hospitalised. The most common principal diagnosis at admission was neutropenia (30.8%). Women receiving docetaxel/carboplatin/trastuzumab (TCH) and docetaxel/cyclophosphamide (TC) were the most frequently hospitalised. After adjustment for demographic and clinical factors, the increased risk of hospitalisation for TCH and TC remained compared with doxorubicin/cyclophosphamide 3-weekly (OR 1.71, 95% confidence interval [CI] 1.24–2.37 and OR 1.47, 95% CI 1.17–1.85 respectively). Five-year overall survival was similar for women who were (92.2%, 95% CI 90.7–93.8) and were not hospitalised (93.1%, 95% CI 92.1–94.1). Conclusion: Emergency hospitalisations following chemotherapy for early breast cancer were relatively common, especially following docetaxel-containing protocols. Further examination of reasons for admission is needed to inform actions to improve patient safety.

Background Octogenarians represent a growing population reviewed in medical oncology clinics, yet there is a paucity of data on how chemotherapy is tolerated in this age group. Aim To describe the use of palliative first-line chemotherapy in patients 80 years and over and factors associated with its use. Methods We identified all new patients aged 80 years or older diagnosed with incurable advanced solid organ cancer and seen in one of three Sydney medical oncology outpatient clinics between January 2009 and December 2013. Patient, disease and treatment details were summarised and factors associated with chemotherapy use explored. Results Of 420 eligible patients, 100 (24%) started first-line chemotherapy. Younger age at diagnosis was the only factor associated with receiving chemotherapy (median 82.9 vs 84.1 years, P = 0.002). A total of 78% of patients had single-agent chemotherapy, and 41% received a full dose for the first cycle. During treatment, 54% experienced toxicity, necessitating dose reduction, delay or omission, and 32% were hospitalised. These events were associated with receipt of combination chemotherapy (OR 5.1; P = 0.04) and full-dose chemotherapy for cycle 1 (OR 3.5; P = 0.02). Radiological disease control was achieved in 60%. Chemotherapy was stopped because of progressive disease (48%), toxicity (37%) or completion of planned course (17%). Conclusion A quarter of patients 80 years and older received first-line palliative chemotherapy. Despite most receiving a modified dose, one third were hospitalised during treatment. These findings highlight the need for careful clinical assessment and selection of older cancer patients for chemotherapy.

12008 Background: The aim of this multi-centre, randomised, double-blinded, placebo-controlled, phase 2/3 trial is to determine efficacy of addition of oral cannabis in adults with any malignancy of any stage, experiencing CINV during moderate-highly emetogenic intravenous chemotherapy, despite guideline-consistent anti-emetic prophylaxis, requiring ≥ 2 chemotherapy cycles. Here we report the crossover phase 2 component results. Methods: Treatment consisted of 1 cycle of oral THC 2.5mg/CBD 2.5mg (TN-TC11M) capsules tds days -1 to 5 and 1 cycle matching placebo in a crossover design, then blinded patient preference for a 3rd cycle. Primary end-point is difference in proportion of patients with ‘complete response’ (no emesis & no use of rescue medications) during 0-120 hours from chemotherapy between cycles. 80 patients provides 80% power with 2p of 0.1 to detect a 20% difference. Results: 81 patients recruited (2016-9). 72 completing 2 cycles are included in efficacy analyses. 78 not withdrawing consent are included in safety analyses. Median age was 55 years (range 29-80), 78% were female, 42% report historic cannabis use, 55% were treated with curative intent. Most common regimens were AC (26%), FOLFOX (17%). All received steroids & 5-HT3 antagonist, 79% received NK-1 antagonist, 4% received olanzapine. Efficacy is shown in table. 83% preferred cannabis to placebo. Most common bothersome cannabinoid-related adverse events (cannabis, placebo) were sedation (19%,4%), dizziness (10%,1%), disorientation (3%,0%). No SAEs were attributed to THC/CBD. Conclusions: Addition of oral THC/CBD to standard anti-emetics was associated with less nausea & vomiting but additional side effects. Most preferred THC/CBD to placebo. Based on these positive results, the definitive parallel phase 3 trial component continues (additional n=170). Acknowledgements: Trial participants, investigators, research staff. Funding from NSW Government Dept of Health. Clinical trial information: ACTRN12616001036404 . [Table: see text]

Background Shared understanding of prognosis is vital for optimal, multidisciplinary, clinical decision making. Aims This study aims to determine the frequency and nature of prognostic information in medical oncologists’ letters to referring doctors for patients with metastatic cancer. Methods We reviewed all consultation letters (to June 2014) for new patients with metastatic cancer presenting to medical oncologists at Concord and Macarthur Cancer Centres between June 2012 and June 2013. We recorded the presence and nature of prognostic information in the letters, patients’ characteristics and survival. Characteristics associated with inclusion of prognostic information were explored. Results We analysed 1344 letters pertaining to 272 patients with a median survival of 13 months. The median number of letters per patient was 4 (interquartile range 1–7), with 50% written by trainees. The terms ‘metastatic’ or ‘stage IV cancer’ were included in letters for 253 patients (93%), treatment was described as ‘palliative’ for 174 patients (64%) and the word ‘incurable’ was included for 93 (34%). Only 31 patients (11%) had a quantitative estimate of prognosis in any correspondence: median or average survival in 14, general time frame in 12 and, best case, typical and worst case scenarios in 5. Inclusion of quantitative prognostic information was not associated with patient age, cancer type, treatment plan, trainee authoring letter or shorter survival. Conclusion Inclusion of quantitative prognostic information in written correspondence from medical oncologists regarding patients with metastatic cancer was infrequent. Encouraging oncologists to include quantitative prognostic information in their letters could improve communication between oncologists, referring doctors and patients.

Aim In early stage breast cancer chemotherapy relative dose intensity (RDI) of

Background Survival times of women starting first-line chemotherapy for metastatic breast cancer (MBC) in routine clinical practice were determined and compared with those from a systematic review of randomised clinical trials. Methods We identified women with MBC starting first-line chemotherapy from June 2003 to February 2011 and recorded their demographics, tumour and treatment characteristics, and survival times from the start of chemotherapy. Their survival distribution was summarised by the following percentiles (represented scenarios for survival): 90th (worst-case), 75th (lower-typical), 25th (upper-typical) and 10th (best-case), which were compared with the same percentiles from our systematic review of first-line chemotherapy trials. Results The 273 women had a median age of 56 years, and a median time from diagnosis of MBC of 3 months. Eastern Cooperative Oncology Group performance status was 0–1 in 80%. Tumours were hormone receptor positive in 69%, human epidermal growth factor receptor 2 (HER2)-positive in 27% and triple negative in 13%. Survival times in months in routine clinical practice (vs the systematic review) were: 90th percentile 4 (6); 75th percentile 9 (12); median 20 (22); 25th percentile 36 (36) and 10th percentile 61 (56). Independent predictors of overall survival included HER2-positive disease (hazard ratio (HR) 0.49, P = 0.0002), hormone receptor positive disease (HR 0.51, P = 0.0004), Eastern Cooperative Oncology Group performance status 0–1 (HR 0.36, P < 0.0001) and adjuvant chemotherapy (HR 1.86, P = 0.0002). Conclusion Median and better survival times in routine practice were similar to those from randomised clinical trials; however, survival times worse than the median were shorter, likely reflecting patient selection in trials. Oncologists should adjust trial-based survival estimates for patients not meeting typical trial eligibility criteria.

Background: Delays in commencing adjuvant chemotherapy for early breast cancer beyond 12 weeks are associated with increased mortality. The aim of this study was to identify factors delaying chemotherapy in an inner metropolitan, outer metropolitan, small rural and large rural cancer centre in New South Wales, Australia.Methods: We retrospectively reviewed 400 consecutive patients that received adjuvant chemotherapy for stages I-III breast cancer. We evaluated factors affecting time from primary and definitive surgery until commencing chemotherapy.Results: The primary factor associated with chemotherapy delays was the geographic location of the cancer centre. The median time from primary surgery to chemotherapy was longer for the large rural centre (median 58 days), compared with the outer metropolitan (45 days), small rural (39 days) and inner metropolitan centre (33 days). Treatment delays in the large rural centre were associated with higher rates of multiple operations (43% versus 31% elsewhere), mainly because of more staged axillary dissections (34% versus 19%), and longer time from definitive surgery to oncology assessment.Conclusion: Patients in the large rural centre, who are served by fly-in medical oncology services, are more likely to experience delays in receiving adjuvant chemotherapy for early breast cancer. Strategies to reduce delays include use of intraoperative frozen section analysis, multidisciplinary meetings, improving efficiency in pathology reporting and employment of a breast cancer care coordinator and an on-site medical oncologist.

e18841Background: Both toxicity and effectiveness require consideration when estimating the net effect of chemotherapy. We examined emergency hospital admissions and 5-year survival following adjuv...

The optimal dose of oral ondansetron for the prevention of acute chemotherapy-induced nausea and vomiting (CINV) resulting from moderately emetogenic chemotherapy (MEC) is unknown. This retrospective audit was conducted to determine the efficacy of 8 mg oral ondansetron plus 8 mg oral dexamethasone as pre-chemotherapy anti-emetic regimen for patients receiving MEC. The efficacy outcomes analysed were the proportion of patients with no acute vomiting, proportion of patients with no acute nausea and the incidence of grade 3 or 4 CINV. A total of 81 patients were identified. The most frequent chemotherapy regimens received in the study population were anthracycline- (48%) and carboplatin-based (28%). No acute vomiting and nausea rates in the study population were 75% and 44% respectively. The incidence of grade 3 CINV was 1%. Patients who received anthracycline-based regimens had a significantly higher incidence of acute emesis (P= 0.001) and nausea (P < 0.0001) when compared with patients who received non-anthracycline-based regimens. In this study, the use of 8 mg oral ondansetron plus 8 mg oral dexamethasone achieved control of acute emesis in 75% of all patients receiving MEC which is comparable to previously reported rates of 70-80%. The benefits of using oral pre-chemotherapy anti-emetics include reduction in the costs of drugs and nursing administration time.

Background Despite the effectiveness of adjuvant endocrine therapy in preventing breast cancer recurrence, breast cancer events continue at a high rate for at least 10 years after completion of therapy. Patients and methods This randomised open label phase III trial recruited postmenopausal women from 29 Australian and New Zealand sites, with hormone receptor-positive early breast cancer, who had completed ≥4 years of endocrine therapy [aromatase inhibitor (AI), tamoxifen, ovarian suppression, or sequential combination] ≥1 year prior, to oral letrozole 2.5 mg daily for 5 years, or observation. Treatment allocation was by central computerised randomisation, stratified by institution, axillary node status and prior endocrine therapy. The primary outcome was invasive breast cancer events (new invasive primary, local, regional or distant recurrence, or contralateral breast cancer), analysed by intention to treat. The secondary outcomes were disease-free survival (DFS), overall survival, and safety. Results Between 16 May 2007 and 14 March 2012, 181 patients were randomised to letrozole and 179 to observation (median age 64.3 years). Endocrine therapy was completed at a median of 2.6 years before randomisation, and 47.5% had tumours of >2 cm and/or node positive. At 3.9 years median follow-up (interquartile range 3.1–4.8), 2 patients assigned letrozole (1.1%) and 17 patients assigned observation (9.5%) had experienced an invasive breast cancer event (difference 8.4%, 95% confidence interval 3.8% to 13.0%, log-rank test P = 0.0004). Twenty-four patients (13.4%) in the observation and 14 (7.7%) in the letrozole arm experienced a DFS event (log-rank P = 0.067). Adverse events linked to oestrogen depletion, but not serious adverse events, were more common with letrozole. Conclusion These results should be considered exploratory, but lend weight to emerging data supporting longer duration endocrine therapy for hormone receptor-positive breast cancer, and offer insight into reintroduction of AI therapy. Clinical Trials Number Australian New Zealand Clinical Trials Registry ( www.anzctr.org.au ), ACTRN12607000137493

Summary The purpose of the present paper was to review the outcomes of care of small cell lung cancer (SCLC) at one Sydney teaching hospital. A retrospective cohort study was carried out of patients with SCLC seen between January 1996 and July 2000. The main outcomes were relapse-free and overall survival. Secondary outcomes of interest were the uniformity of staging investigations, initial treatment, use of prophylactic cranial irradiation (PCI), patterns of relapse and treatment received following relapse. One hundred and three patients with SCLC were treated at the Liverpool Hospital Cancer Therapy Centre during this period. There were 58 men (56%) and 45 women (44%). Forty-two patients (41%) had limited stage disease (LD) and 61 (59%) had extensive stage disease (ED). There was considerable variation in staging investigations. There was little variation in systemic treatment of SCLC. Only 32 of 42 patients with limited stage SCLC were candidates for thoracic radiotherapy and only seven patients received PCI. Median relapse-free survival was 11.2 months (95% confidence interval (CI): 7.7−14.8) for patients with LD and 6 months (95%CI: 4.4−7.5) for ED. Median overall survival was 15.1 months (95%CI: 11−19.1) for patients with LD and 8.9 months (95%CI: 7.5−10.2) for ED. Some health outcomes similar to that reported in clinical trials can be achieved in clinical practice. Measuring health outcomes is an important process of maintaining quality of care.

Background Patient-reported outcome (PRO) measures have been used widely to screen for depression, anxiety, and symptoms in cancer patients. Computer-based applications that collect patients’ responses and transfer them to the treating health professional in real time have the potential to improve patient well-being and cancer outcomes. Objective This study will test the feasibility and acceptability of a newly developed eHealth system which facilitates PRO data capture from cancer patients, data linkage and retrieval to support clinical decisions and patient self-management, and data retrieval to support ongoing evaluation and innovative research. Methods The eHealth system is being developed in consultation with 3 overarching content-specific expert advisory groups convened for this project: the clinical advisory group, technical advisory group, and evaluation advisory group. The following work has already been completed during this phase of the study: the Patient-Reported Outcome Measures for Personalized Treatment and Care (PROMPT-Care) eHealth system was developed, patient-reported outcomes were selected (distress, symptoms, unmet needs), algorithms to inform intervention thresholds for clinical and self-management were determined, clinician PRO feedback summary and longitudinal reports were designed, and patient self-management resources were collated. PROsaiq, a custom information technology system, will transfer PRO data in real time into the hospital-based oncology information system to support clinical decision making. The PROMPT-Care system feasibility and acceptability will be assessed through patients completing PROMPT-Care assessments, participating in face-to-face cognitive interviews, and completing evaluation surveys and telephone interviews and oncology staff participating in telephone interviews. Results Over the course of 3 months, the system will be pilot-tested with up to 50 patients receiving treatment or follow-up care and 6 oncology staff at 2 hospitals in New South Wales, Australia. Data will be collected to determine the accuracy and completeness of data transfer procedures, extent of missing data from participants’ assessments, acceptability of the eHealth system and usefulness of the self-management resources (via patient evaluation surveys and interviews), and acceptability and perceived usefulness of real-time PRO reporting (via oncology staff interviews) at the completion of the pilot phase. Conclusions This research investigates implementation of evidence into real world clinical practice through development of an efficient and user-friendly eHealth system. This study of feasibility and acceptability of the newly developed eHealth system will inform the next stage of larger scale testing and future implementation of the system as part of routine care. ClinicalTrial Australian New Zealand Clinical Trials Registry ACTRN1261500135294; https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=369299&isReview=true (Archived by WebCite at http://www.webcitation.org/6lzylG5A0)

Delays in commencing adjuvant chemotherapy for early breast cancer beyond 12 weeks are associated with increased mortality. The aim of this study was to identify factors delaying chemotherapy in an inner metropolitan, outer metropolitan, small rural and large rural cancer centre in New South Wales, Australia.We retrospectively reviewed 400 consecutive patients that received adjuvant chemotherapy for stages I-III breast cancer. We evaluated factors affecting time from primary and definitive surgery until commencing chemotherapy.The primary factor associated with chemotherapy delays was the geographic location of the cancer centre. The median time from primary surgery to chemotherapy was longer for the large rural centre (median 58 days), compared with the outer metropolitan (45 days), small rural (39 days) and inner metropolitan centre (33 days). Treatment delays in the large rural centre were associated with higher rates of multiple operations (43% versus 31% elsewhere), mainly because of more staged axillary dissections (34% versus 19%), and longer time from definitive surgery to oncology assessment.Patients in the large rural centre, who are served by fly-in medical oncology services, are more likely to experience delays in receiving adjuvant chemotherapy for early breast cancer. Strategies to reduce delays include use of intraoperative frozen section analysis, multidisciplinary meetings, improving efficiency in pathology reporting and employment of a breast cancer care coordinator and an on-site medical oncologist.

514 Background: AET for postmenopausal women with HR+ early BC has until recently been limited to 5 yrs of tamoxifen, an aromatase inhibitor or a sequential combination of these. However, after 5 y...

9134 Background: It is recommended that all older patients presenting for oncology opinion undergo a geriatric assessment. This may guide intervention, alert clinicians to problems and predict trea...

The syndrome of adenocarcinoma of unknown primary (ACUP) is a frequent problem in both medical and surgical practice. The prognosis is poor, the median lifespan being 4 months. In general, multiple invasive procedures aimed at determining the primary tumour are not warranted due to the low frequency of detecting a tumour for which adequate treatment exists. In this paper we wish to highlight a subset of female patients presenting with malignant ascites and no evidence of a pelvic mass, who on laparotomy were found to have primary peritoneal papillary serous adenocarcinoma. These tumours must be regarded as a potentially treatable subset of patients with ACUP in view of their frequent response to chemotherapy and relatively good prognosis.