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The objectives of this study were to examine benefits and consequences of the COVID-19 pandemic for patients diagnosed with cancer and their family caregivers.A 23-item questionnaire assessing COVID-19-related issues, the Patient Health Questionnaire-2, Generalized Anxiety Disorder-2, Pittsburgh Sleep Quality Index, and the Perceived Stress Scale (PSS)-4 were administered to patients diagnosed with cancer and their family caregivers.Of the 161 patients and 78 caregivers who participated, 38.1% and 32.8 were male, 95% and 84.6% Caucasian, and the mean age was 66 and 64.6 years, respectively. A total of 16.5% and 15.2% reported depressive symptoms, 18.4% and 19% reported anxiety; 35.5% and 26.6% reported poor sleep quality, and 66% and 63.3% scored one standard deviation above the norms for the PSS, respectively. Predictors of poorer patient- and caregiver-reported outcomes included greater loneliness, worry about self or family being infected by the COVID-19, and worsening relationships with family. The fear of COVID-19 led to 20.8% of patients and 24.4% of family caregivers cancelling medical appointments, procedures, and treatments. A total of 52.5% of patients and 53.2% caregivers reported that the pandemic led to benefit finding but these changes were not associated with any of the measured patient- or caregiver-related outcomes.Psychological functioning for patients and caregivers was similar to that of pre-pandemic levels, however the decrease in health care utilization secondary to fear of COVID-19 was notable. While there were many negative effects of the pandemic, the majority of patients and caregivers reported some benefit to the pandemic.

Introduction Mindfulness plays a role in one's mental and physical health outcomes. The aims of this study were to examine the relationship between trait mindfulness and the (1) psychological functioning, (2) health behaviors, (3) and physical health of caregivers for individuals diagnosed with cancer. Methods An observational cross-sectional study was conducted with family caregivers of individuals diagnosed with cancer. Caregivers were recruited for the study during oncology appointments with their loved ones at twelve academic and community oncology centers located in western Pennsylvania. Caregivers completed a battery of questionnaires and examinations assessing sociodemographic characteristics, trait mindfulness, depression, perceived stress, caregiver stress, sleep, diet, physical activity, tobacco use, alcohol use, blood pressure, and BMI. Demographic and cancer-related information was collected from the individuals whom caregivers supported and the medical chart. Linear, logistic, and ordinal regression were performed. Results Of the 77 caregivers, the mean age was 64 (S.D.=10.7); 60% identified as female; 97% identified as White; the response rate was 72.6%. Regression analyses indicated that caregivers who reported higher levels of trait mindfulness reported significantly lower levels of depression (β= -0.35, SE= 1.13, 95% CI= -5.95, -1.43, p=.002), better caregiver quality of life (β= -0.422, SE=2.17, 95% CI= -13.03, -4.38, p Conclusions Findings indicated that higher levels of trait mindfulness are associated with positive mental and physical health outcomes for caregivers. Future research would benefit from further examining mindfulness-based interventions and their impacts in mitigating the negative toll of caregiving in the context of cancer.

OBJECTIVE According to the Common-Sense Model of Self-Regulation, when faced with a health threat, we make cognitive and emotional assumptions about the illness. The aims of this study were to (a) examine the role of sociodemographic and disease-specific factors on illness perception and perceived stress and (b) test the association between perceived stress and illness perception in participants diagnosed with gastrointestinal cancer. METHODS Participants completed a battery of questionnaires including a Sociodemographic and Disease-Specific Questionnaire, the Illness Perception Questionnaire, Brief Version (Brief-IPQ), and the Perceived Stress Scale (PSS-14). Descriptive statistics, Pearson correlations, analysis of variance (ANOVA), and linear regression were performed to test the hypotheses. RESULTS Of the 627 participants, the mean age was 62 years (SD = 11); the majority were male (63.3%) and Caucasian (90.9%). Younger (F3,625 = 5.80, P < .01) and divorced or never married participants reported higher levels of perceived stress when compared with older and married participants (F4,618 = 3.52, P < .01). Younger participants (18-74 years old) reported more negative illness perceptions than older participants (75 years and older) (F3,511 = 4.08, P < .01). A weak, positive relationship between perceived stress and illness perceptions was observed (r = 0.22, P < .01), and illness perceptions predicted 36.1% of the variance of perceived stress. CONCLUSIONS Our findings suggest that participants who negatively perceived their illness experienced greater levels of perceived stress. Interventions that aim to adjust patients' illness perceptions in order to facilitate a reduction of stress and improvement in quality of life are needed.

e24124 Background: The aims of this study were to examine; the predictors of perceived stress; and the associations between perceived stress and tumor growth and development of metastases as well as the mediational role of inflammatory biomarkers. Methods: This study is prospective in design. A battery of questionnaires, including a sociodemographic characteristic and the Perceived Stress Scale, was collected at baseline from patients diagnosed with solid tumors at various stages of treatment. Disease progression was measured over a 12-month period. Poverty threshold was determined using the U.S. Department of Health & Human Services 2020 poverty guidelines. Computerized tomography and Magnetic Resonance Imaging scans were assessed for disease progression between baseline and 12 months using Response Evaluation Criteria in Solid Tumors. Blood was collected and serum levels of IL-2, IL-1a, IL-1b, TNF-a, IL-6, and IL-8 were assessed. The predictors of stress include sociodemographic and disease specific characteristics. Primary outcomes were tumor growth and development of metastases. Descriptive statistics, correlations, and ordinal and linear regression were performed to assess the aims. Results: Of 159 patients diagnosed with cancer, 47.8% were male, mean age was 62.97 (SD = 10.35), 89.3% were Caucasian, and 13.8% met poverty guidelines. Significant predictors of stress were age (b=-.151, p=0.029, 95% C.I.=-2.86-.016) and income below the poverty threshold (b= 5.615, p=0.007, 95% C.I.=1.596-9.635). Gender was the only sociodemographic and disease specific factor significantly associated with disease progression. After adjusting for gender, greater perceived stress was associated with tumor growth and development of metastases (p =0.029), accounting for 33.3% of the variance. Circulating cytokines were significantly related to disease progression [IL-1a, p=0.020; IL-1b, p=0.011; IL-6, p

Objective Cancer caregivers are at increased risk for cardiovascular disease (CVD) and mortality. The aims of this study were to examine psychosocial and behavioral predictors of metabolic syndrome, an intermediate endpoint of CVD. Methods Cancer caregivers were administered a battery of questionnaires assessing sociodemographic characteristics, depressive symptoms, perceived stress, caregiver quality of life, sleep, physical activity, alcohol and tobacco use, social support, relationship quality, and loneliness. Metabolic syndrome was defined using the American Heart Association guidelines and the National Cholesterol Education Program's Adult Treatment Panel (ATP) III, which includes the presence of at least three of the following abnormalities: blood pressure, glucose, abdominal girth, high-density lipoprotein (HDL), and triglycerides. Results Of the 104 caregivers, 77% were female, 94% were Caucasian, and the mean age was 59.5 (SD = 12.8). Of the 104 caregivers, 35.6% reported depressive symptoms in the clinical range of the Center for Epidemiologic Studies-Depression (CES-D) and 69.2% reported Perceived Stress Scale scores at least one standard deviation above the general population norms. A total of 16.3% of caregivers currently used tobacco, 28.8% consumed alcohol, and 26.7% were overweight (BMI = 25-29.9) and 48.5% were obese (BMI ≥ 30). Forty-nine percent of the caregivers met the criteria for metabolic syndrome. After age, gender, and race were adjusted, the following remained as significant predictors of metabolic syndrome: low levels of caregiver quality of life (Odds Ratio (OR) = 1.067; 95% CI, 1.019-1.117; P = .006), high levels of hostility (OR = 1.142; 95% CI, 1.030-1.267; P = .012), and current alcohol use (OR = 4.193; 95% CI, 1.174-14.978; P = .027). Conclusion Development of interventions to reduce the risk of metabolic syndrome in cancer caregivers is recommended.

e23128 Background: The aims of this study were to examine the associations between depression and complications, health care utilization and costs in patients with cancer. Methods: Patients diagnosed with cancer were administered a battery of questionnaires, including the Center for Epidemiological Studies-Depression (CES-D) Scale. Health care utilization and costs for patients was collected for one year after the administration of the CES-D. Descriptive statistics, Chi-square and ANOVA, and ordered restricted inference analyses were performed. Results: Of the 100 patients, the mean age was 64.0 years (SD = 10.3), the majority of patients were male (51%), Caucasian (89%), diagnosed with hepatocellular or cholangiocarcinoma (47%) and stage III and IV cancer (60%), and 34% of patients had clinical levels of depressive symptoms (CES-D > 16). No demographic or disease specific variables were associated with depressive symptoms or outcomes. Surgical patients with clinical levels of depression had a greater number of complications [Chi-square = 4.4, p = 0.036] and a greater severity of complications using Clavien-Dindo classification [Chi-square = 4.5, p = 0.033]. Patients undergoing chemotherapy, who reported depressive symptoms in the clinical range, were more likely to require medical intervention for chemotherapy side effects [Chi-square = 4.2, p = 0.04]. Patients with clinical levels of depressive symptoms also had a greater number of emergency room visits [F(1,99) = 8.4, p = 0.005]. Patients who reported clinical levels of depressive symptoms had significantly higher median costs associated with the loss of work force productivity (Median = $7154 versus $2104; p = 0.015), hospital costs (Median = $29,917 versus $8292, p = 0.019), and cost per registration (Median = $3324 versus $1247, p = 0.017) but lower physician costs (Median = $6171 versus $10,821; p = 0.026) than patients with non-clinical levels of depressive symptoms. Conclusions: Depressive symptoms are associated with increased complications and health care utilization and costs. There is an urgent need for effective and scalable interventions to reduce depressive symptoms in patients diagnosed with cancer to improve quality of life and reduce health care utilization and costs.

11599 Background: There is an urgent need for evidence-based and scalable interventions to reduce depression, pain, and fatigue and improve quality of life in patients diagnosed with cancer. The aims of this study were to share the interim analyses of testing the efficacy of a stepped collaborative care intervention for patients diagnosed with cancers affecting the hepatobiliary and pancreatic system. Methods: Patients were screened for clinical levels of depression, pain, or fatigue and were enrolled in the study if they screened positive for depression, pain, and/or fatigue. After completing a baseline battery of instruments, patients were randomized to the stepped collaborative care intervention or the screening and referral arm. Post-treatment data was collected at 6 months and 12 months to assess efficacy and maintenance of change in depressive symptoms. Results: A total of 100 patients have completed the post-treatment assessment. Interim data analyses revealed that the mean age of patients was 64.0 years (SD = 10.3) and the majority of patient were male (51%), Caucasian (89%), diagnosed with liver cancer (47%) and stage III and IV (60%). Patients randomized to the stepped collaborative care intervention reported significant reductions in depressive symptoms (F(1,92) = 6.22, p = 0.014) and improvements in quality of life (F(1,92) = 7.36, p = 0.008) with moderate effect sizes (Cohen’s d = 0.547 and 0.652, respectively) at 6-months. The mean change in depressive symptoms from randomization to 6-month post- treatment was -4.3 (SD = 9.7) for the patients randomized to the collaborative care intervention and +0.71 (SD = 9.4) for the patients randomized to the screening and referral arm of the study. The mean change in quality of life from randomization to 6-month post-treatment was +4.5 (SD = 16.2) for the patients randomized to the collaborative care intervention and -4.4 (SD = 15.2) for the patients randomized to the screening and referral arm of the study. Conclusions: This promising evidence-based, scalable intervention to treat comorbid cancer and depression was shown to be effective in reducing depressive symptoms and improving quality of life in patients with cancer. Clinical trial information: NCT02939755.

e23174 Background: Cancer caregivers are at increased risk for cardiovascular disease. The aims of the present study were to develop an instrument to identify cancer caregivers at risk for the development of cardiovascular disease. Methods: Cancer caregivers were enrolled in a prospective study examining predictors of metabolic syndrome. Predictors included perceived stress, caregiver stress, depression, hostility, physical activity, diet, alcohol and tobacco use, social support and relationship with the patient. Regression analyses and factor analyses was performed to reduce the number of items to develop an instrument that would identify cancer caregivers at risk for cardiovascular disease. Internal consistency and Area Under the Receiver Operator Curve was also performed to test the new instrument. Results: A total of 111 caregivers were included in the analyses. The mean age of caregivers was 59.6 ( SD= 12.7) and the majority of caregivers were female (74.8%), Caucasian (94.6%), and were the spouse of the cancer patient (65.8%).Using regression analyses, the items from the caregiver stress, hostility, and social support questionnaires were most likely to predict metabolic syndrome. Preliminary findings suggest that a 35-item instrument was predictive of metabolic syndrome [B = 0.067, HR = 1.07, p = 0.001]. The reliability of the instrument was good with a Cronbach Alpha = 0.83. The Area Under the Receiver Operator Curve was also fair (AUROC = 0.703; 95% CI = 0.597-0.808, p = 0.001). Based on the AUROC, the best cut point to detect metabolic syndrome would be a score of 24 (Sensitivity = 0.75 and Specificity = 0.55). Conclusions: Preliminary findings suggest that this 35-item questionnaire may be useful in identifying cancer caregivers at risk for metabolic syndrome, an intermediate endpoint for cardiovascular disease. The questionnaire may be used to screen cancer caregivers for interventions to reduce metabolic syndrome.