Co-targeting BET, CBP, and p300 inhibits neuroendocrine signalling in androgen receptor-null prostate cancer.

There are diverse phenotypes of castration-resistant prostate cancer, including neuroendocrine disease, that vary in their sensitivity to drug treatment. The efficacy of BET and CBP/p300 inhibitors in prostate cancer is attributed, at least in part, to their ability to decrease androgen receptor (AR) signalling. However, the activity of BET and CBP/p300 inhibitors in prostate cancers that lack the AR is unclear. In this study, we showed that BRD4, CBP, and p300 were co-expressed in AR-positive and AR-null prostate cancer. A combined inhibitor of these three proteins, NEO2734, reduced the growth of both AR-positive and AR-null organoids, as measured by changes in viability, size, and composition. NEO2734 treatment caused consistent transcriptional downregulation of cell cycle pathways. In neuroendocrine models, NEO2734 treatment reduced ASCL1 levels and other neuroendocrine markers, and reduced tumour growth in vivo. Collectively, these results show that epigenome-targeted inhibitors cause decreased growth and phenotype-dependent disruption of lineage regulators in neuroendocrine prostate cancer, warranting further development of compounds with this activity in the clinic. © 2024 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.

Defining the challenges and opportunities for using patient-derived models in prostate cancer research.

BACKGROUND: There are relatively few widely used models of prostate cancer compared to other common malignancies. This impedes translational prostate cancer research because the range of models does not reflect the diversity of disease seen in clinical practice. In response to this challenge, research laboratories around the world have been developing new patient-derived models of prostate cancer, including xenografts, organoids, and tumor explants. METHODS: In May 2023, we held a workshop at the Monash University Prato Campus for researchers with expertise in establishing and using a variety of patient-derived models of prostate cancer. This review summarizes our collective ideas on how patient-derived models are currently being used, the common challenges, and future opportunities for maximizing their usefulness in prostate cancer research. RESULTS: An increasing number of patient-derived models for prostate cancer are being developed. Despite their individual limitations and varying success rates, these models are valuable resources for exploring new concepts in prostate cancer biology and for preclinical testing of potential treatments. Here we focus on the need for larger collections of models that represent the changing treatment landscape of prostate cancer, robust readouts for preclinical testing, improved in vitro culture conditions, and integration of the tumor microenvironment. Additional priorities include ensuring model reproducibility, standardization, and replication, and streamlining the exchange of models and data sets among research groups. CONCLUSIONS: There are several opportunities to maximize the impact of patient-derived models on prostate cancer research. We must develop large, diverse and accessible cohorts of models and more sophisticated methods for emulating the intricacy of patient tumors. In this way, we can use the samples that are generously donated by patients to advance the outcomes of patients in the future.

Meaning-centered pain coping skills training for patients with metastatic cancer: Results of a randomized controlled pilot trial.

OBJECTIVE: For patients with advanced cancer, pain is a common and debilitating symptom that can negatively impact physical, emotional, and spiritual well-being. This trial examined the feasibility and initial effects of Meaning-Centered Pain Coping Skills Training (MCPC), a cognitive-behavioral pain management intervention with an emphasis on enhancing meaning (i.e., a personal sense of purpose, worth, and significance) and peace. METHODS: We enrolled 60 adults with stage IV solid tumor cancers and moderate-severe pain between February 2021 and February 2022. Participants were randomized 1:1 to MCPC + usual care or usual care alone. Meaning-Centered Pain Coping Skills Training consisted of four weekly 60-min individual sessions via videoconference or telephone, delivered by a trained therapist using a manualized protocol. Participants completed validated measures of pain severity, pain interference, pain self-efficacy, spiritual well-being (i.e., meaning, peace, and faith), and psychological distress at baseline and 5-week and 10-week follow-ups. RESULTS: All feasibility metrics exceeded prespecified benchmarks. Fifty-eight percent of screened patients were eligible, and 69% of eligible patients consented. Of those assigned to MCPC, 93% completed all sessions and 100% of those who completed follow-ups reported using coping skills weekly. Retention was strong at 5-week (85%) and 10-week (78%) follow-ups. Meaning-Centered Pain Coping Skills Training participants reported better scores than control participants across outcome measures, including moderate-to-large sized differences at 10-week follow-up in pain severity (Cohen's d = -0.75 [95% confidence interval: -1.36, -0.14]), pain interference (d = -0.82 [-1.45, -0.20]), and pain self-efficacy (d = 0.74 [0.13, 1.35]). CONCLUSIONS: MCPC is a highly feasible, engaging, and promising approach for improving pain management in advanced cancer. Future efficacy testing is warranted. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT04431830, registered 16 June 2020.

Concurrent and Prospective Associations Between Communicated Emotional Arousal and Adjustment Among Couples Coping With Cancer.

BACKGROUND: The experience of cancer can create considerable emotional distress for patients and their committed partners. How couples communicate about cancer-related concerns can have important implications for adjustment. However, past research has primarily utilized cross-sectional designs and retrospective self-reports of couple communication. While informative, little is known about how patients and partners express emotion during conversations about cancer, and how these emotional patterns predict individual and relational adjustment. PURPOSE: The current investigation examined how patterns of emotional arousal within couples' communication about cancer was associated with concurrent and prospective individual psychological and relational adjustment. METHODS: At baseline, 133 patients with stage II- breast, lung, or colorectal cancer and their partners completed a conversation about a cancer-related concern. Vocally expressed emotional arousal (f0) was extracted from recorded conversations. Couples completed self-report measures of individual psychological and relational adjustment at baseline and at 4, 8, and 12 months later. RESULTS: Couples who started the conversation higher in f0 (i.e., greater emotional arousal) reported better individual and relational adjustment at baseline. If the non-cancer partner had lower f0 relative to patients, this predicted worse individual adjustment across follow-up. Additionally, couples who maintained their level of f0 rather than decreasing later in the conversation reported improvements in individual adjustment across follow-up. CONCLUSIONS: Elevated emotional arousal within a cancer-related conversation may be adaptive for adjustment, as it may reflect greater emotional engagement and processing of an important topic. These results may suggest ways for therapists to guide emotional engagement to enhance resilience in couples experiencing cancer.

Cancer is a stressful experience for patients and their partners. We know that how couples communicate about cancer is important, but we do not know much about how couples express emotion during cancer conversations and how those emotional expressions affect well-being. Our study looked at how couples' emotional arousal within cancer conversations relate to individual and relationship well-being. At the beginning of the study, cancer patients and their partners had a conversation about cancer. Within these conversations, we tracked the emotional arousal expressed in their voices. Couples also completed surveys about their well-being at the beginning of the study and later in time (4, 8, and 12 months later). We found that couples who started the conversation with higher emotional arousal had better initial well-being. Couples who remained higher in arousal later in the conversation improved in their individual well-being over time. We also found that if the non-cancer partner was low in arousal compared with patients, this predicted worse well-being over time. More research is needed, but these findings suggest that being emotionally aroused during conversations about important topics like cancer might be helpful for well-being, potentially because couples are discussing concerns and not backing off when it feels challenging.

Knowledge, goals, and misperceptions about palliative care in adults with chronic disease or cancer.

OBJECTIVES: Limited evidence investigates how knowledge, misconceptions, and beliefs about palliative care vary across patients with cancerous versus non-cancerous chronic disease. We examined the knowledge of and misconceptions about palliative care among these groups. METHODS: We used weighted data from the National Cancer Institute Health Information National Trends Survey 5 (Cycle 2) for nationally representative estimates and logistic regression to adjust for respondent characteristics. We identified respondents who reported having (1) cancer ([n = 585]; breast, lung, and colorectal), (2) chronic conditions ([n = 543]; heart failure, lung disease, or chronic obstructive pulmonary disorder), or (3) neither cancer nor other chronic conditions (n = 2,376). RESULTS: Compared to cancer respondents, chronic condition respondents were more likely to report being Black or Hispanic, report a disability, and have lower socioeconomic status. In the sample, 65.6% of cancer respondents and 72.8% chronic conditions respondents reported they had never heard of palliative care. Chronic condition respondents were significantly (p < 0.05) less likely to report high palliative care knowledge than cancer respondents (9.1% vs. 16.6%, respectively). In adjusted analyses, cancer respondents had greater odds of high palliative care knowledge (odd ratio [OR] = 1.70; 95% confidence interval [CI] = 1.01, 2.86) compared to respondents with neither cancer nor chronic disease; chronic condition respondents did not have increased odds (OR = 0.96; CI = 0.59, 1.54). SIGNIFICANCE OF RESULTS: Disparities in palliative care knowledge exist among people with non-cancerous chronic disease compared to cancer. Supportive educational efforts to boost knowledge about palliative care remains urgent and is critical for promoting equity, particularly for underserved people with chronic illnesses.

Dyadic psychosocial interventions for patients with cancer and their caregivers: an update.

PURPOSE OF REVIEW: Cancer causes significant impacts on patients and their caregivers. Cancer is also associated with multiple physical and emotional challenges for the patient-caregiver dyad. This patient-caregiver dyad should be considered as a unit of care by healthcare providers and supported through dedicated psychological interventions. RECENT FINDINGS: Twelve studies that tested dyadic interventions aiming to support patient-caregiver dyads were identified from the period April 2020 to December 2021. Studies were predominantly randomized controlled trials (RCTs) and single-arm pilot studies. Half of the interventions were online. Interventions were mostly focused on dyadic adjustment and appeared to be acceptable, feasible and globally effective. However, effects were evident predominantly on individual rather than dyadic outcomes. The interventions targeted either individual psychological outcomes, such as depression and anxiety, and are reported to be effective or various individual outcomes and also appeared to be effective. However, there was a large heterogeneity in quality and sample sizes across all intervention types. SUMMARY: Dyadic psychological interventions may be an effective support for patient-caregiver dyads dealing with multiple physical and emotional challenges. Online interventions and the variability of intervention types may respond to dyads specific needs, but though need to be rigorously evaluated through powered RCTs.

A Dyadic Investigation of Depressed Affect and Interspousal Behavior in Couples With Chronic Back Pain.

BACKGROUND: Depression and marital discord are characteristic not only of individuals with chronic low back pain (ICPs) but also of their spouses. PURPOSE: We examined actor-partner interdependence models to evaluate associations among depressed affect and criticism and support of partners at the same time point (concurrent effects) and 3 hr later (lagged effects). Fully dyadic models were used to account for both within-person and cross-spouse associations among depressed affect, criticism, and support for ICPs and spouses. We also examined the direction of the relationships (depressed affect predicting behavior and behavior predicting depressed affect) all while controlling for pain intensity, pain behavior, and the prior dependent variable. METHODS: ICPs (n = 105) and their spouses completed electronic diary measures of depressed affect and behavior (criticism and support) five times a day for 2 weeks. Hierarchical linear modeling with person-mean centering was used for data analysis. RESULTS: Within the same 3 hr epoch, more depressed affect was related to higher criticism and generally less support. Lagged analyses suggested bidirectional relationships between spouse's own depressed affect and spouse's own criticism of ICPs. Spouse depressed affect was also associated with decreased support received from ICPs. Pain behavior and pain intensity were also related to depressed affect, criticism, and support especially concurrently. CONCLUSIONS: Theories and interventions need to address not only ICP depressed affect but also spouse depressed affect, as spouse depressed affect may be a stress generating precursor to criticism and support.

Androgen receptor enhancer amplification in matched patient-derived xenografts of primary and castrate-resistant prostate cancer.

Amplifications of the androgen receptor (AR) occur in up to 80% of men with castration-resistant prostate cancer (CRPC). Recent studies highlighted that these amplifications not only span the AR gene but usually encompass a distal enhancer. This represents a newly recognised, non-coding mechanism of resistance to AR-directed therapies, including enzalutamide. To study disease progression before and after AR amplification, we used tumour samples from a castrate-sensitive primary tumour and castrate-resistant metastasis of the same patient. For subsequent functional and genomic studies, we established serially transplantable patient-derived xenografts (PDXs). Whole genome sequencing showed that alterations associated with poor prognosis, such as TP53 and PTEN loss, existed before androgen deprivation therapy, followed by co-amplification of the AR gene and enhancer after the development of metastatic CRPC. The PDX of the primary tumour, without the AR amplification, was sensitive to AR-directed treatments, including castration, enzalutamide, and apalutamide. The PDX of the metastasis, with the AR amplification, had higher AR and AR-V7 expression in castrate conditions, and was resistant to castration, apalutamide, and enzalutamide in vivo. Treatment with a BET inhibitor outperformed the AR-directed therapies for the metastasis, resulting in tumour regression for some, but not all, grafts. Therefore, this study provides novel matched PDXs to test potential treatments that target the overabundance of AR in tumours with AR enhancer amplifications. © 2021 The Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.

Partnering to cope with pain: A pilot study of a caregiver-assisted pain coping skills intervention for patients with cognitive impairment and dementia.

OBJECTIVE: To develop a new caregiver-assisted pain coping skills training protocol specifically tailored for community-dwelling persons with cognitive impairment and pain, and assess its feasibility and acceptability. METHOD: In Phase I, we conducted interviews with 10 patient-caregiver dyads to gather feedback about intervention content and delivery. Phase II was a single-arm pilot test to evaluate the intervention's feasibility and acceptability. Dyads in the pilot study (n = 11) completed baseline surveys, received five intervention sessions, and then completed post-intervention surveys. Analyses focused on feasibility and acceptability. RESULTS: Dyads responded positively to the pain coping skills presented in the interviews; their feedback was used to refine the intervention. Findings from the pilot study suggested that the intervention was feasible and acceptable. 69% of eligible dyads consented, 82% completed all five intervention sessions, and 100% completed the post-treatment assessment. Caregivers reported high satisfaction ratings. They also reported using the pain coping skills on a regular basis, and that they found most of the skills helpful and easy to use. SIGNIFICANCE OF RESULTS: These preliminary findings suggest that a caregiver-assisted pain coping skills intervention is feasible and acceptable, and that it may be a promising approach to managing pain in patients with cognitive impairment.

Efficacy of a multimedia intervention in facilitating breast cancer patients' clinical communication about sexual health: Results of a randomized controlled trial.

OBJECTIVE: Many women with breast cancer (BC) hesitate to raise sexual concerns clinically. We evaluated a multimedia intervention to facilitate BC patients' communication about sexual/menopausal health, called Starting the Conversation (STC). METHODS: Female BC patients (N = 144) were randomly assigned to either STC (20-min video, workbook, and resource guide) or control (resource guide only). Audio-recorded dialogue from patients' next oncology clinic encounter was coded for patients' sexual health communication. Self-report surveys assessed patients' beliefs about sexual health communication, self-efficacy for clinical interactions, sexual function/activity, anxiety/depression symptoms, and quality of life at baseline, post-intervention, and 2-month follow-up. T-tests or mixed-effects logistic regression compared study arms. RESULTS: Women in the STC arm were more likely to raise the topic of sexual health (51%; OR = 2.62 [1.02, 6.69], p = 0.04) and ask a sexual health question (40%; OR = 2.85 [1.27, 6.38], p = 0.01) during their clinic encounter than those in the control arm (30% and 19% for raise and ask, respectively). At follow-up, women in the STC arm showed greater improvements in sexual health communication self-efficacy (p = 0.009) and in anxiety symptoms (p = 0.03), and more women were sexually active at follow-up, compared to the control arm (OR = 1.5, 70% vs. 46%, p = 0.04). CONCLUSIONS: The STC intervention facilitated women's clinical communication about sexual health and reduced women's anxiety, possibly due to increased confidence in expressing their medical needs. Helpful information gained from clinical discussions could have improved women's willingness or ability to engage in sexual activity. Future studies should identify aspects of the clinical encounter most critical to improving women's sexual outcomes.

Couple-based communication intervention for head and neck cancer: a randomized pilot trial.

OBJECTIVE: To test feasibility and preliminary efficacy of a couple-based supportive communication (CSC) intervention for head and neck cancer (HNC) delivered during patients' oncology treatment. METHODS: Twenty couples were randomly assigned to either a four-session CSC or a treatment-as-usual (TAU) condition. The CSC intervention primarily focused on increasing couple emotional disclosure, supportive listening, and social support. Patients and partners completed measures of individual and relationship functioning at baseline, post-intervention, and 6-month follow-up. RESULTS: Ninety-eight percent of CSC sessions were completed and couples reported high levels of satisfaction with the intervention. Between-group effect sizes indicated that patients and partners in CSC reported improvements in individual and relationship functioning, relative to those in the TAU condition. CONCLUSIONS: A couple-based communication intervention delivered during oncology treatment is feasible and acceptable in the context of HNC and may lead to improvements in individual and relationship functioning. Preliminary efficacy results are interpreted in the context of social-cognitive processing and intimacy theories. TRIAL REGISTRATION: The trial was registered on www.clinicaltrials.gov (NCT01785576) first posted on February 7, 2013.

Distinct profiles of multiple co-occurring symptoms in patients with gastrointestinal cancers receiving chemotherapy.

PURPOSE: Identify subgroups of gastrointestinal (GI) cancer patients with distinct multiple co-occurring symptom profiles and evaluate for differences among these subgroups in demographic and clinical characteristics and quality of life (QOL) outcomes. METHODS: Patients with GI cancers (n = 399) completed the Memorial Symptom Assessment Scale (MSAS) that was used to assess for multiple co-occurring symptoms. Latent class analysis (LCA) was used to identify subgroups of patients with distinct symptom profiles using symptom occurrence ratings. Differences in demographic and clinical characteristics and QOL outcomes among the subgroups were evaluated using parametric and nonparametric tests. RESULTS: All Low (36.6%), Moderate (49.4%), and All High (14.0%) classes were identified. Compared to the All Low class, patients in the other two classes were significantly younger and were more likely to report depression and back pain. Compared to the other two classes, patients in the All High class had fewer years of education and a higher number of comorbidities. Significant differences were found among the three classes for comorbidity burden and total number of MSAS symptoms (i.e., All Low < Moderate < All High), as well as for performance status (i.e., All Low > Moderate > All High). A higher symptom burden was associated with poorer QOL outcomes. CONCLUSIONS: The first study to identify subgroups of patients with GI cancers based on distinct symptom profiles. LCA allowed for the identification of risk factors associated with a higher symptom burden. Clinicians can use this information to identify high-risk patients and develop personalized symptom management interventions.

Caregiver-guided pain coping skills training for patients with advanced cancer: Results from a randomized clinical trial.

BACKGROUND: Pain is a major concern among patients with advanced cancer and their family caregivers. Evidence suggests that pain coping skills training interventions can improve outcomes, however they have rarely been tested in this population. AIM: To test the efficacy of a caregiver-guided pain coping skills training intervention. The primary outcome was caregiver self-efficacy for helping the patient manage pain. DESIGN: A randomized controlled trial compared the intervention to an enhanced treatment-as-usual control. Dyads in both conditions received pain education, and those in the intervention received three sessions of pain coping skills training. Caregiver outcomes (self-efficacy; caregiver strain, caregiving satisfaction, psychological distress) and patient outcomes (self-efficacy, pain intensity and interference, psychological distress) were collected at baseline and post-intervention. SETTING/PARTICIPANTS: Two hundred two patients with stage III-IV cancer and pain and their family caregivers were enrolled from four outpatient oncology clinics and a free-standing hospice/palliative care organization. RESULTS: Compared to those in the control arm, caregivers in the intervention reported significant increases in caregiving satisfaction (p < 0.01) and decreased anxiety (p = 0.04). In both conditions, caregivers reported improvements in self-efficacy, and patients reported improvements in self-efficacy, pain severity and interference, and psychological distress. CONCLUSIONS: This is the first study to test a pain coping skills intervention targeted to patients and caregivers facing advanced cancer. Findings suggest that pain education provides benefits for patients and caregivers, and coping skills training may be beneficial for caregivers. Further research is needed to optimize the benefits of education and pain coping skills training for improving cancer pain outcomes.Trial registration: ClinicalTrials.gov NCT02430467, Caregiver-Guided Pain Management Training in Palliative Care.

Changes in Identification of Possible Pain Coping Strategies by People with Osteoarthritis who Complete Web-based Pain Coping Skills Training.

BACKGROUND: We previously demonstrated that automated, Web-based pain coping skills training (PCST) can reduce osteoarthritis pain. The present secondary analyses examined whether this program also changed coping strategies participants identified for use in hypothetical pain-related situations. METHOD: People with hip/knee osteoarthritis (n = 107) were randomized to Web-based PCST or standard care control. At baseline and post-intervention, they reported their pain severity and impairment, then completed a task in which they described how they would cope with pain in four hypothetical pain-related situations, also reporting their perceived risk for pain and self-efficacy for managing it. We coded the generated coping strategies into counts of adaptive behavioral, maladaptive behavioral, adaptive cognitive, and discrete adaptive coping strategies (coping repertoire). RESULTS: Compared to the control arm, Web-based PCST decreased the number of maladaptive behavioral strategies generated (p = 0.002) while increasing the number of adaptive behavioral strategies generated (p = 0.006), likelihood of generating at least one adaptive cognitive strategy (p = 0.01), and the size of participants' coping repertoire (p = 0.009). Several of these changes were associated with changes in pain outcomes (ps = 0.01 to 0.65). Web-based PCST also reduced perceived risk for pain in the situations (p = 0.03) and increased self-efficacy for avoiding pain in similar situations (p < 0.001). CONCLUSION: Salutary changes found in this study appear to reflect intervention-concordant learning.

Trends in Number and Distribution of COVID-19 Hotspot Counties - United States, March 8-July 15, 2020.

The geographic areas in the United States most affected by the coronavirus disease 2019 (COVID-19) pandemic have changed over time. On May 7, 2020, CDC, with other federal agencies, began identifying counties with increasing COVID-19 incidence (hotspots) to better understand transmission dynamics and offer targeted support to health departments in affected communities. Data for January 22-July 15, 2020, were analyzed retrospectively (January 22-May 6) and prospectively (May 7-July 15) to detect hotspot counties. No counties met hotspot criteria during January 22-March 7, 2020. During March 8-July 15, 2020, 818 counties met hotspot criteria for ≥1 day; these counties included 80% of the U.S. population. The daily number of counties meeting hotspot criteria peaked in early April, decreased and stabilized during mid-April-early June, then increased again during late June-early July. The percentage of counties in the South and West Census regions* meeting hotspot criteria increased from 10% and 13%, respectively, during March-April to 28% and 22%, respectively, during June-July. Identification of community transmission as a contributing factor increased over time, whereas identification of outbreaks in long-term care facilities, food processing facilities, correctional facilities, or other workplaces as contributing factors decreased. Identification of hotspot counties and understanding how they change over time can help prioritize and target implementation of U.S. public health response activities.

Greater mindfulness associated with lower pain, fatigue, and psychological distress in women with metastatic breast cancer.

OBJECTIVE: Women with metastatic breast cancer (MBC) report high levels of disease-related symptoms including pain, fatigue, psychological distress, and sleep disturbance. Mindfulness may be particularly relevant to women with MBC given the high symptom burden and psychological toll of this disease; however, the topic is understudied among this patient population. Therefore, we aimed to test the associations between mindfulness and patient-reported symptoms among a sample of women with MBC. METHODS: Sixty-four women with MBC completed baseline questionnaires of mindfulness (Five Facet Mindfulness Questionnaire-Short Form [FFMQ-SF]) and symptoms of pain severity and interference, fatigue, psychological distress, and sleep disturbance as part of a randomized controlled trial of a Mindful Yoga intervention. Correlational analyses of data collected at baseline tested associations between the five mindfulness facets (observing, describing, acting with awareness, nonjudging, and nonreactivity) and patient-reported measures of symptoms. RESULTS: Overall, higher mindfulness was associated with lower symptom levels including lower pain severity, pain interference, fatigue, anxiety, depression, and sleep disturbance. However, degree of association varied by mindfulness facet. Nonreactivity, nonjudging, and describing showed the most frequent associations and largest effect sizes across symptoms, while observing showed the least frequent associations and lowest effect sizes. CONCLUSIONS: Mindfulness-and in particular nonreactivity, nonjudging, and describing-may be a personal resource for women with MBC in coping with complex symptoms of this life-threatening illness. Findings are discussed relative to their implications for interventions aimed at increasing mindfulness in this vulnerable population.

Enhancing meaning in the face of advanced cancer and pain: Qualitative evaluation of a meaning-centered psychosocial pain management intervention.

OBJECTIVES: The objectives of this study were to obtain patient evaluations of the content, structure, and delivery modality of Meaning-Centered Pain Coping Skills Training (MCPC), a novel psychosocial intervention for patients with advanced cancer and pain. MCPC aims to help patients connect with valued sources of meaning in their lives (e.g., family relationships), while providing training in evidence-based cognitive and behavioral skills (e.g., guided imagery) to reduce pain. METHODS: Semi-structured interviews were conducted with 12 patients with stage IV solid tumor cancers and persistent pain. Transcripts were analyzed using methods from applied thematic analysis. RESULTS: When evaluating MCPC's educational information and skills training descriptions, participants described ways in which this content resonated with their experience. Many coped with their pain and poor prognosis by relying on frameworks that provided them with a sense of meaning, often involving their personally held religious or spiritual beliefs. They also expressed a need for learning ways to cope with pain in addition to taking medication. A few participants offered helpful suggestions for refining MCPC's content, such as addressing common co-occurring symptoms of sleep disturbance and fatigue. Concerning MCPC's structure and delivery modality, most participants preferred that sessions include their family caregiver and described remote delivery (i.e., telephone or videoconference) as being more feasible than attending in-person sessions. SIGNIFICANCE OF RESULTS: Participants were interested in an intervention that concurrently focuses on learning pain coping skills and enhancing a sense of meaning. Using remote delivery modalities may reduce access barriers (e.g., travel) that would otherwise prevent many patients from utilizing psychosocial services.

Establishing a cryopreservation protocol for patient-derived xenografts of prostate cancer.

BACKGROUND: Serially transplantable patient-derived xenografts (PDXs) are invaluable preclinical models for studying tumor biology and evaluating therapeutic agents. As these models are challenging to establish from prostate cancer specimens, the ability to preserve them through cryopreservation has several advantages for ongoing research. Despite this, there is still uncertainty about the ability to cryopreserve PDXs of prostate cancer. This study compared three different cryopreservation protocols to identify a method that can be used to reproducibly cryopreserve a diverse cohort of prostate cancer PDX models. METHODS: One serially transplantable prostate cancer PDX from the Melbourne Urological Research Alliance cohort was used to compare three cryopreservation protocols: slow freezing in fetal calf serum (FCS) with 10% dimethyl sulfoxide (DMSO), FCS with 10% DMSO supplemented with the Rho-associated kinase (ROCK) inhibitor Y-27632 and vitrification. The efficiency of the slow freezing protocols was then assessed in 17 additional prostate cancer PDXs. Following cryopreservation, PDXs were re-established in host mice that were either intact and supplemented with testosterone or castrated. Graft take rate, tumor growth, histological features, and transcriptome profiles before and after cryopreservation were compared. RESULTS: Slow freezing maintained the viability and histological features of prostate cancer PDXs, and the addition of a ROCK inhibitor increased their growth following cryopreservation. Using the slow freezing method, we re-established 100% of PDXs grown in either testosterone-supplemented or castrated host mice. Importantly, the long-term tumor growth rate and transcriptome profile were maintained following cryopreservation. CONCLUSION: This study has identified a protocol to reliably cryopreserve and re-establish a diverse cohort of serially transplantable PDXs of prostate cancer. This study has the potential to significantly improve the practicality of maintaining PDX models. Cryopreservation may also increase the accessibility of these important resources and provide new opportunities for preclinical studies on a broader spectrum of prostate tumors.

Effects of mindfulness training programmes delivered by a self-directed mobile app and by telephone compared with an education programme for survivors of critical illness: a pilot randomised clinical trial.

BACKGROUND: Patients who are sick enough to be admitted to an intensive care unit (ICU) commonly experience symptoms of psychological distress after discharge, yet few effective therapies have been applied to meet their needs. METHODS: Pilot randomised clinical trial with 3-month follow-up conducted at two academic medical centres. Adult (≥18 years) ICU patients treated for cardiorespiratory failure were randomised after discharge home to 1 of 3 month-long interventions: a self-directed mobile app-based mindfulness programme; a therapist-led telephone-based mindfulness programme; or a web-based critical illness education programme. RESULTS: Among 80 patients allocated to mobile mindfulness (n=31), telephone mindfulness (n=31) or education (n=18), 66 (83%) completed the study. For the primary outcomes, target benchmarks were exceeded by observed rates for all participants for feasibility (consent 74%, randomisation 91%, retention 83%), acceptability (mean Client Satisfaction Questionnaire 27.6 (SD 3.8)) and usability (mean Systems Usability Score 89.1 (SD 11.5)). For secondary outcomes, mean values (and 95% CIs) reflected clinically significant group-based changes on the Patient Health Questionnaire depression scale (mobile (-4.8 (-6.6, -2.9)), telephone (-3.9 (-5.6, -2.2)), education (-3.0 (-5.3, 0.8)); the Generalized Anxiety Disorder scale (mobile -2.1 (-3.7, -0.5), telephone -1.6 (-3.0, -0.1), education -0.6 (-2.5, 1.3)); the Post-Traumatic Stress Scale (mobile -2.6 (-6.3, 1.2), telephone -2.2 (-5.6, 1.2), education -3.5 (-8.0, 1.0)); and the Patient Health Questionnaire physical symptom scale (mobile -5.3 (-7.0, -3.7), telephone -3.7 (-5.2, 2.2), education -4.8 (-6.8, 2.7)). CONCLUSIONS: Among ICU patients, a mobile mindfulness app initiated after hospital discharge demonstrated evidence of feasibility, acceptability and usability and had a similar impact on psychological distress and physical symptoms as a therapist-led programme. A larger trial is warranted to formally test the efficacy of this approach. TRIAL REGISTRATION NUMBER: Results, NCT02701361.