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Background: Mobile health (mHealth) applications (app) and remote monitoring demonstrated tangible value in terms of improving dose delivery, quality of life and mitigating the severity of acute treatment-related side effects, both in the metastatic setting and during the active phase of treatment in patients (pts) with early-stage solid tumors. However, the value of mHealth in ‘after primary treatment’ survivorship phase is less studied. Most BC pts have hormone receptor-positive disease and are eligible for adjuvant ET for 5-10 years. ET is associated with multiple side effects that negatively impact quality of life and treatment adherence. A prior survey among French survivors suggested that pts are willing to use digital companion app to help them in the after-cancer experience. In this setting, we developed a digital companion for survivors of BC receiving ET. Objectives: In this study, we explored acceptability, representations, levers, and barriers to a multimodal mHealth intervention among BC pts treated with ET. Methods: This was a qualitative study based on 3 focus groups (FG) with survivors of BC receiving adjuvant ET. The multimodal mHealth intervention had the following features: measure (symptom reporting), understand, and appease (information on interventions to relieve the symptom). FG were conducted via videoconference, lasted approximately 60-90 min, were recorded and transcribed for analysis. A content, thematic analysis was performed. All participants provided oral informed consent and socio-demographic information. Results: 17 BC survivors from diverse professional and socio-economic background participated. Mean age was 48.5 years (range: 32-61). There was a consensus regarding the acceptability and perception of usefulness of an app during treatment with adjuvant ET. A feeling of loneliness during this period was also expressed. Emergent themes cited included: a) positive representations i) satisfaction with the educational support with language and the level of information of the app judged as appropriate and reliable; ii) hope in the role of the app as a companion to alleviate the loneliness; iii) vehicle to enhance family interaction; iv) tool to boost engagement towards their treatment. b) concerns associated with i) fear of human contact replacement ii) fear of loss of interest over time, particularly in the setting of a 5-10 year journey. Pts were pro-active in providing feedback regarding innovative features that could be integrated: i) including interest on the use of biosensors (step counting, nutritional tracking); ii) to receive personalized encouragement messages and iii) updated information regarding scientific advances related to the treatment of early breast cancer. Most participants found the app to be aesthetically pleasing and easy to use. Conclusions: Findings from this qualitative study are promising regarding the acceptability and perception of usefulness of a personalized app for the mitigation of ET side effects in the adjuvant setting. It highlights the need of personalized educational material, but also maintenance of ‘bi-directional’ communication with health professionals. Optimization of the tool is ongoing and updated FG results will be presented. This tool will be tested in a randomized controlled trial starting in Q1/2022, which will evaluate its effectiveness. Quotes from participantsThemes emergedParticipants’ quotes from focus groupsSatisfaction with educational support‘’Today we find everything on the internet, bad and good things, we cannot know what is true and what is fake. (⋯) If an app can give us reliable information, good, summarized information, this would be great!’’Satisfaction with educational support; Hope in the role of the app to alleviate loneliness“I didn’t even know we had so many side-effects linked to endocrine therapy. Now I understand that it’s true, it’s not something from my head. It’s related to the treatment and it’s really nice to have this support.”Alleviation of loneliness‘’I often feel lonely, sometimes is difficult to have contact with the doctor.’’, ‘’We feel lonely, even our family cannot understand.’’Alleviation of loneliness‘’We need to exchange with people that lived the same situation.’’, “We go to forums, chats, Instagram⋯”, ‘’We realize that we are not alone, that we are not the only ones with the symptoms.’’Fear of human contact replacement‘’It is a good addition, but it will never replace the relationship that we have with our doctor.’’Fear of loss of interest over time‘’It is a good app to start endocrine therapy⋯ How to make the app interesting and useful during several years of treatment?’’ Citation Format: Elise Martin, Antonio Di Meglio, Pietro Lapidari, Daniele Presti, Davide Soldato, Léna Degousee, Marion Aupomerol, Barbara Pistilli, Léonor Fasse, Diane Boinon, Florian Scotte, Gwenn Menvielle, Agnès Dumas, Céline Lazorthes, Jonathan Benhamou, Matthieu Pozza, Raphaëlle Martin-Neuville, Nicolas Helleringer, Jeanne Eelkema, Fabrice Andre, Ines Vaz-Luis, Maria Alice Franzoi. A multimodal and personalized digital companion to help survivors of breast cancer (BC) manage side effects of adjuvant endocrine therapy (ET): A qualitative exploration [abstract]. In: Proceedings of the 2021 San Antonio Breast Cancer Symposium; 2021 Dec 7-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2022;82(4 Suppl):Abstract nr P4-11-27.

Higher consumption of coffee and tea has been associated with improved health outcomes in the general population and improved breast cancer (BC) prognosis. This study investigated patterns of coffee and tea consumption and association with patient-reported outcomes (PROs) and clinical outcomes among survivors of BC.The authors included survivors of stage I-III BC enrolled in the CANTO cohort (NCT01993498) that provided post-treatment assessment of coffee and tea consumption from years 1 to 4 after diagnosis. Group-based trajectory modeling clustered patients according to daily consumption of coffee and tea. Multivariable mixed models and Cox models examined associations between consumption, PROs and clinical outcomes.Among 3788 patients, the authors identified four stable patterns of consumption: "Low" (25.8%), "Moderate" (37.6%), "High" (25.3%), and "Very high" (11.3%), corresponding to1, 2, 3, and ≥ 4 cups of coffee and/or tea per day. Patients in the "Very high" group (vs. "Low"), were more likely to be younger, smokers, with higher monthly income and education. PROs and survival outcomes were similar across the four groups.Over one in three survivors of BC reported high or very high consumption of coffee and/or tea. The authors found no association between higher consumption of coffee and/or tea, worse PROs and clinical outcomes.

Background: Fatigue is a multidimensional symptom. It is recognised as one of the most burdensome and long-lasting adverse effects of cancer and cancer treatment. We aimed to characterise long-term fatigue trajectories among breast cancer survivors. Methods: We performed a detailed longitudinal analysis of fatigue using a large ongoing national prospective clinical study (CANcer TOxicity, NCT01993498) of patients with stage I–III breast cancer treated from 2012–2015. Fatigue was assessed at diagnosis (baseline), year-one, -two, and -four post-diagnosis. Baseline clinical, socio-demographic, behavioural, tumour- and treatment-related characteristics were available. Trajectories of fatigue and risk factors of trajectory-group membership were identified by iterative estimates of group-based trajectory models and multivariable logistic regression. Findings: Three trajectory-groups were identified for severe global fatigue (N=4173). Twenty-one per cent of patients were in the "High" risk group, having a risk estimate of severe global fatigue of 94·8% [95% confidence interval (CI) 86·6–100·0] at diagnosis and 64·8% [95% CI 59·2–70·1] at year four; 19% of patients clustered in the "Deteriorating" group with a risk estimate of severe global fatigue of 13·8% [95% CI 6·7%–20·9%] at diagnosis and 64·5% [95% CI 57·3–71·8] at year four; and 60% were in the “Low” risk group with a risk estimate of 3·6% [95% CI 2·5–4·7] at diagnosis and 9·6% [95% CI 7·5–11·7] at year four). The distinct dimensions of fatigue clustered in different trajectory groups than those identified by severe global fatigue, being differentially impacted by socio-demographic, clinical, and treatment-related factors. Interpretation: Our findings highlight the multidimensional nature of cancer-related fatigue and the complexity of its risk factors. This study helps to identify patients with increased risk of severe fatigue and to inform personalised interventions to ameliorate this problem. Funding: Susan G. Komen, French Foundation for Cancer Research, Foundation Gustave Roussy, and French Government (Agence Nationale de la recherche [ANR]). Declaration of Interest: None to declare. Ethical Approval: All study participants provided informed consent, and the national regulatory and ethics committee approved the study (ID-RCB:2011-A01095-36,11-039).

Introduction We systematically reviewed the literature regarding short- and long-term safety and tolerability of prophylactic use of Granulocyte-Colony Stimulating Factor (G-CSF) for chemotherapy-related febrile neutropenia (FN). Methods 730 pertinent records published from 1994 to 2020 were identified. Exclusion criteria included no assessment of safety or Quality of life (QOL). Results Among 88 full-texts included, most studies were conducted during or shortly after G-CSF administration. Mild-to-moderate medullary bone pain was the most reported side effect, usually responsive to anti-inflammatory drugs although potentially impactful on daily functioning. Transient leukocytosis, thrombocytopenia and alterations in biochemistry were also commonly reported. Short-term improvements in patient-reported outcomes were observed as a result of reduction of FN and secondary complications. Secondary myeloid neoplasms were the only reported late effect. No studies evaluated the long-term impact on QOL. Conclusions G-CSF seem safe and well-tolerated, although few data are available on long-term impact of use of G-CSF.

The Youth Project is a program developed at the Pediatric Oncology Unit at the Istituto Nazionale Tumori in Milan, dedicated to adolescents and young adults with cancer. Among its various goals, the Youth Project organizes structured creative activities with the support of professionals, with the objective of offering young people a new way to express their hopes and fears. This article describes a project centered around music: patients created a Christmas carol with the help of musicians and authors. The adolescents explained with their own words the meaning of the lyrics, telling the story of a Christmas spent in a cancer hospital ward.

Background: Fulvestrant 500 mg (F500) is the most active endocrine single agent in hormone receptor-positive (HR+)/HER2-negative metastatic breast cancer (MBC). Few data are available regarding the effectiveness of the drug in a real-world setting. Patients and methods: This prospective, multicenter cohort study aimed to describe the patterns of treatment and performance of F500 in a large population of unselected women with MBC, focusing on potential prognostic or predictive factors for disease outcome and response. The primary endpoints were progression-free survival (PFS) and clinical benefit rate. Results: From January 2011 to December 2015, 490 consecutive patients treated with F500 were enrolled. Overall, three different cohorts were identified and analyzed: the first received F500 after progression from previous chemotherapy (CT) or endocrine therapy; the second received the drug for de novo metastatic disease; and the third was treated as maintenance following disease stabilization or a response from a previous CT line. Median overall survival (OS) in the whole population was 26.8 months, ranging from 32.4 in first line to 22.0 and 13.7 months in second line and subsequent lines, respectively. Both the presence of liver metastasis and the treatment line were significantly associated with a worse PFS, while only the presence of liver metastasis maintained its predictive role for OS in multivariate analysis. Conclusions: The effectiveness of F500 was detected in patients treated both upon disease progression and as maintenance. The relevant endocrine sensitivity of 80% of patients included in the study could probably explain the good results observed in terms of outcome.