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Purpose Research to date on fear of cancer recurrence (FCR) shows that moderate to high FCR affects 22–87 % of cancer survivors and is associated with higher psychological morbidity (Simard et al J Cancer Surviv 7:300–322, 2013 ). Despite growing research interest in FCR, the lack of consensus on its definition and characteristics when it reaches a clinical level has impeded knowledge transfer into patient services. Methods In order to address these gaps, expert researchers, policy makers, trainees, and patient advocates attended a 2-day colloquium at the University of Ottawa in August 2015. A Delphi method was used to identify the most relevant definition of FCR, and the attendees generated possible diagnostic characteristics of clinical FCR. Results After three rounds of discussion and voting, the attendees reached consensus on a new definition of FCR: “Fear, worry, or concern relating to the possibility that cancer will come back or progress.” Regarding clinical FCR, five possible characteristics were proposed: (1) high levels of preoccupation, worry, rumination, or intrusive thoughts; (2) maladaptive coping; (3) functional impairments; (4) excessive distress; and (5) difficulties making plans for the future. Conclusions The new proposed definition of FCR reflects the broad spectrum in which patients experience FCR. A consensual definition of FCR and the identification of the essential characteristics of clinical FCR are necessary to accurately and consistently measure FCR severity and to develop effective interventions to treat FCR. We hope this broad definition can encourage further research and the development of inclusive policies for all cancer patients and survivors who are struggling with this issue.

Purpose Fear of cancer recurrence (FCR) is a common experience for cancer survivors. However, it remains unclear what characteristics differentiate non-clinical from clinical levels of FCR. The goal of this study was to investigate the potential hallmarks of clinical FCR. Methods A convenience sample of 40 participants ( n =  19 female) was drawn from another study (Lebel et al. in Qual Life Res 25:311–321. doi: 10.1007/s11136-015-1088-2 , 2016 ). The semi-structured interview for fear of cancer recurrence (Simard and Savard in J Cancer Surviv 9:481–491. doi: 10.1007/s11764-015-0424-4 , 2015 ) was used to identify participants with non-clinical and clinical FCR and qualitative analysis of these interviews was performed. Results Individuals with clinical FCR reported the following features: death-related thoughts, feeling alone, belief that the cancer would return, experiencing intolerance of uncertainty, having cancer-related thoughts and imagery that were difficult to control, daily and recurrent, lasted 30 minutes or more, increased over time, caused distress and impacted their daily life. Triggers of FCR and coping strategies did not appear to be features of clinical FCR as they were reported by participants with a range of FCR scores. Conclusions While features of clinical FCR found in this analysis such as intrusive thoughts, distress and impact on functioning confirmed previous FCR research, other features spontaneously emerged from the interviews including “death-related thoughts,” “feeling alone,” and “belief that the cancer will return.” The participants’ descriptions of cancer-specific fear and worry suggest that FCR is a distinct phenomenon related to cancer survivorship, despite similarities with psychological disorders (e.g., Anxiety Disorders). Future research investigating the construct of FCR, and the distinguishing features of clinical FCR across a range of cancer types and gender is required.

Background Blended cognitive behaviour therapy (bCBT) is an effective treatment for fear of cancer recurrence (FCR) in curatively-treated breast, colorectal and prostate cancer survivors with high FCR. However, long-term outcomes are unknown. This study investigated the long-term efficacy and cost-effectiveness of bCBT compared with care as usual (CAU). Methods Eighty-eight cancer survivors with high FCR (Cancer Worry Scale ≥14) were randomly assigned to bCBT ( n  = 45) or CAU ( n  = 43). Data were collected at baseline and at three, nine and fifteen months from baseline and analysed by modified intention-to-treat. Efficacy was investigated with linear mixed-effects models. Cost-effectiveness was investigated from a societal perspective by comparing costs with quality-adjusted life-years (QALYs). Results Participants who received bCBT reported significantly lower FCR compared with CAU (mean difference of − 1.787 [95% CI -3.251 to − 0.323, p  = 0.017] at 15 months follow-up), and proportionally greater self-rated and clinically significant improvement at each follow-up measurement. Total QALYs were non-significantly different between conditions when adjusted for utility score baseline differences (0.984 compared to 0.957, p  = 0.385), while total costs were €631 lower (95% CI -1737 to 2794, p  = 0.587). Intervention costs of bCBT were €466. The incremental cost-effectiveness ratio amounted to an additional €2049 per QALY gained, with a 62% probability that bCBT is cost-effective at a willingness to pay (WTP) threshold of €20,000 per QALY. Results were confirmed in sensitivity analyses. Conclusions bCBT for cancer survivors with FCR is clinically and statistically more effective than CAU on the long-term. In addition, bCBT is a relatively inexpensive intervention with similar costs and QALYs as CAU. Trial registration The RCT was registered in the Dutch National Trial Register ( NTR4423 ) on 12-Feb-2014. This abstract was previously presented at the International Psycho-Oncology Society conference of 2018 and published online. (Psycho-oncology, 27(S3):8-55; 2018)

Background Cognitive therapy has been shown to reduce fear of cancer recurrence (FCR), mainly in breast cancer survivors. The accessibility of cognitive behavioural interventions could be further improved by Internet delivery, but self-guided interventions have shown limited efficacy. The aim of this study is to test the efficacy of a therapist guided internet-delivered intervention (TG-iConquerFear) vs. augmented treatment as usual (aTAU) in Danish colorectal cancer survivors. Methods/design A population-based randomized controlled trial (RCT) comparing TG-iConquerFear with aTAU (1:1) in n  = 246 colorectal cancer survivors who suffer from clinically significant FCR (Fear of Cancer Recurrence Inventory Short Form (FCRI-SF) ≥ 22 and semi-structured interview). Evaluation will be conducted at 2 weeks, 3 and 6 months post-treatment and between-group differences will be evaluated. Long-term effects will be evaluated after one year. Primary outcome will be post-treatment FCR (FCRI-SF). Secondary outcomes are global overall health and global quality of life (Visual Analogue Scales 0–100), bodily distress syndrome (BDS checklist), health anxiety (Whiteley-6), anxiety (SCL4-anx), depression (SCL6-dep) and sickness absence and health expenditure (register data). Explanatory outcomes include: Uncertainty in illness (Mishels uncertainty of illness scale, short form, MUIS), metacognitions (MCQ-30 negative beliefs about worry subscale), and perceived risk of cancer recurrence (Visual analogue Scale 1–100). Discussion This RCT will provide valuable information on the clinical and cost-effectiveness of TG-iConquerFear vs. aTAU for CRC survivors with clinical FCR, as well as explanatory variables that may act as outcome moderators or mediators. Trial registration ClinicalTrials.gov; NCT04287218 , registered 25.02.2020. https://clinicaltrials.gov/ct2/results?cond=&term=NCT04287218&cntry=&state=&city=&dist= .

PurposeDespite the prevalence of fear of cancer recurrence (FCR), understanding of factors underlying clinically significant FCR is limited. This study examined factors associated with greater FCR morbidity, according to a cognitive processing model, in cancer survivors who screened positively for clinically significant FCR seeking psychological treatment through the ConquerFear trial.MethodsParticipants had completed treatment for breast, colorectal or melanoma cancer 2 months to 5 years previously and scored ≥ 13/36 on the Fear of Cancer Recurrence Inventory-Short Form (FCRI-SF). Hierarchical regression analyses examined associations between demographic, medical and psychological variables, namely metacognitions (MCQ-30), post-traumatic stress symptoms (IES-R) and FCR (FCRI total score).ResultsTwo hundred and ten (95%) of the 222 cancer survivors who consented to the ConquerFear trial completed the baseline questionnaire. Participants were predominantly (89%) breast cancer survivors. The final regression model accounted for 68% of the variance in FCR (demographic and medical variables 13%, metacognitions 26%, post-traumatic stress symptoms 28%). Negative metacognitive beliefs about worry and intrusive post-traumatic stress symptoms were significant individual correlates of FCR, but negative beliefs about worry did not significantly moderate the impact of intrusions on FCR morbidity.ConclusionsResults provide partial support for the cognitive processing model of FCR. Psychological factors were found to play an important role in FCR morbidity after controlling for demographic/medical factors. More intrusive thoughts and negative beliefs about worry were strong independent predictors of FCR morbidity. Cancer survivors with clinically significant FCR may benefit from assessment for intrusive thoughts and metacognitions and delivery of trauma- and/or metacognitive-based interventions accordingly.

Fear of cancer recurrence (FCR) is increasingly recognised as a major concern for people with cancer once active treatment is completed. Several instruments have been designed to assess FCR; however, no gold standard has emerged. Many instruments conceptualise FCR as a multidimensional construct. However, this potentially conflates FCR as an outcome with its antecedents and consequences. This is problematic when an aggregate of distinct dimensions is calculated, as is commonly recommended. For example, the total score on the Fear of Cancer Recurrence Inventory is an aggregate of items from seven sub-scales: triggers, severity, psychological distress, coping strategies, functioning impairments, insight and reassurance. Similarly, the total score on the Fear of Progression Questionnaire is an aggregate of affective reaction, partnership/family, work and loss of autonomy. Arguably, the severity and affective reaction domains represent fear, and the other sub-scales represent related concepts, rather than “dimensions” of FCR. The total score represents a combination of concepts whose meaning is unclear. The same total score could be produced by patients with very different experiences, and patients with the same level of fear could have very different total scores. Therefore, we argue that although the level of FCR may be determined by a complex network of antecedents and modifiers and have variable consequences, FCR itself may be a simple concept, which can be assessed using a smaller number of items. Conceptual clarity in its research infancy should prevent FCR becoming a construct that is vaguely operationalised and interpreted.

ObjectiveHigh fear of cancer recurrence (FCR) is a frequently reported problem among cancer patients. Previous research has shown that younger age is associated with higher levels of FCR. However, little attention has been given to date about how FCR manifests itself among adolescent and young adult (AYA) cancer patients. This study explores the prevalence, correlates of high FCR, and its association with HRQoL in cancer patients in their late adolescence or young adulthood.MethodsSeventy-three AYA cancer patients, aged 18–35 years at diagnosis, consulted the AYA team of the Radboud University Medical Center completed questionnaires including the Cancer Worry Scale (CWS), Quality of Life-Cancer Survivors (QOL-CS), and Hospital Anxiety and Depression Scale (HADS). Sociodemographic and medical data was collected by self-reported questionnaire.ResultsForty-five participants experienced high FCR (62%), which was higher than the 31–52% reported in previous studies among mixed adult cancer patient samples. Sociodemographic and medical variables were not associated with levels of FCR. High FCR was significantly associated with lower levels of social and psychological functioning and overall HRQoL and higher levels of anxiety and psychological distress.ConclusionResults illustrate that FCR is a significant problem among AYA cancer patients consulting an AYA team, with participants reporting higher levels of FCR than cancer patients of mixed ages. Health care providers should pay specific attention to this problem by screening and the provision of appropriate psychosocial care when needed.

Background Recurrence is not explicitly documented in cancer registry data that are widely used for research. Patterns of events after initial treatment such as oncology visits, re-operation, and receipt of subsequent chemotherapy or radiation may indicate recurrence. This study aimed to develop and validate algorithms for identifying breast cancer recurrence using routinely collected administrative data. Methods The study cohort included all young (≤ 40 years) breast cancer patients (2007–2010), and all patients receiving neoadjuvant chemotherapy (2012–2014) in Alberta, Canada. Health events (including mastectomy, chemotherapy, radiation, biopsy and specialist visits) were obtained from provincial administrative data. The algorithms were developed using classification and regression tree (CART) models and validated against primary chart review. Results Among 598 patients, 121 (20.2%) had recurrence after a median follow-up of 4 years. The high sensitivity algorithm achieved 94.2% (95% CI: 90.1–98.4%) sensitivity, 93.7% (91.5–95.9%) specificity, 79.2% (72.5–85.8%) positive predictive value (PPV), and 98.5% (97.3–99.6%) negative predictive value (NPV). The high PPV algorithm had 75.2% (67.5–82.9%) sensitivity, 98.3% (97.2–99.5%) specificity, 91.9% (86.6–97.3%) PPV, and 94% (91.9–96.1%) NPV. Combining high PPV and high sensitivity algorithms with additional (7.5%) chart review to resolve discordant cases resulted in 94.2% (90.1–98.4%) sensitivity, 98.3% (97.2–99.5%) specificity, 93.4% (89.1–97.8%) PPV, and 98.5% (97.4–99.6%) NPV. Conclusion The proposed algorithms based on routinely collected administrative data achieved favorably high validity for identifying breast cancer recurrences in a universal healthcare system in Canada.

Background To investigate the prognostic risk factors and postoperative recurrence of bladder cancer in patients with upper urinary tract urothelial carcinomas (UTUCs). Methods Data of 439 UTUC patients were retrospectively analyzed. Follow-up and analysis of smoking effects, consumption of traditional Chinese medicine containing aristolochic acid, history of bladder cancer, age, sex, presence or absence of diabetes mellitus (DM), metformin use, tumor characteristics (number, location, stage, grade), and open or laparoscopic surgery on the prognosis of UTUCs were performed. Cox proportional hazard regression analysis was performed to analyze the relationship between various factors and the postoperative survival rate. The survival rate was analyzed using the Kaplan-Meier method. Moreover, logistic regression analysis was performed to analyze the relationship between the above mentioned factors and postoperative recurrence of bladder cancer. Results Overall, 439 patients met, including 236 males (53.7%) and 203 females (46.3%), the criteria for the final statistical analysis, and the average age was 66.7 years. The 1-, 3-, and 5-year overall survival rates of 439 UTUC patients were 90.0, 76.4, and 67.7%, respectively. The 5-year survival rates of T1, T2, T3, and T4 patients were 90.2%, 78%, 43.8%, and 18.5%, respectively. Factors influencing the long-term survival rate of UTUC patients were smoking, taking traditional Chinese medicine containing aristolochic acid, history of bladder cancer, age, tumor size, tumor stage, tumor grade, and lymph node metastasis. The risk factors related to postoperative bladder cancer recurrence were advanced tumor stage, high grade tumor, preoperative ureteroscopy, ureteral urothelial carcinoma, no postoperative bladder perfusion chemotherapy and DM without metformin use. Conclusions Advanced tumor stage and presence of a high-grade tumor were risk factors for not only poor UTUC prognosis but also BC recurrence. In addition, preoperative ureteroscopy, ureteral urothelial carcinoma and DM without metformin use were high risk factors for BC recurrence, whereas regular postoperative bladder perfusion chemotherapy was a protective factor.

Purpose This study aims to explore the relation between the dimension of fear of cancer recurrence (FCR) in haematological cancer patients relapse-free for at least 2 years and socio-demographic, related to the disease, psychological and existential factors. Methods A sample of 75 haematological cancer patients agreed to participate in the study through a self-reported online questionnaire (51.9% males). A total of 70.1% had a low recurrence risk. The questionnaire included socio-demographic (gender, age, civil status, level of education and number of children), related to the disease (diagnosis, therapeutic line and years since diagnosis), psychological (anxiety and depression), existential (purpose in life; PIL) factors and Fear of Cancer Recurrence Concerns Inventory (FCRI). Simple and multiple linear regressions were conducted for the analyses, and we performed some preliminary analysis on the reliability of the FCRI. Findings A total of 53.3% of participants showed clinical levels of FCR on the severity dimension, which was higher than found in previous research in other cancer patients. The coping strategies, triggers, severity and psychological distress dimensions showed higher mean values. Women, patients with indolent non-Hodgkin lymphomas, years since diagnosis, anxiety and purpose in life are significantly related to one or more dimensions of FCRI. Implications It is important that the clinicians have at their disposal multiple possibilities to help patients cope with haematological cancer. If future research will confirm the results of this study, the negative correlation between FCR and PIL can suggest indications for planning interventions based on a salutogenic approach.