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Abstract Background Delirium is a common complication of older people in hospitals, rehabilitation and long-term facilities. Objective To assess the worldwide use of validated delirium assessment tools and the presence of delirium management protocols. Design Secondary analysis of a worldwide one-day point prevalence study on World Delirium Awareness Day, 15 March 2023. Setting Cross-sectional online survey including hospitals, rehabilitation and long-term facilities. Methods Participating clinicians reported data on delirium, the presence of protocols, delirium assessments, delirium-awareness interventions, non-pharmacological and pharmacological interventions, and ward/unit-specific barriers. Results Data from 44 countries, 1664 wards/units and 36 048 patients were analysed. Validated delirium assessments were used in 66.7% (n = 1110) of wards/units, 18.6% (n = 310) used personal judgement or no assessment, and 10% (n = 166) used other assessment methods. A delirium management protocol was reported in 66.8% (n = 1094) of wards/units. The presence of protocols for delirium management varied across continents, ranging from 21.6% (on 21/97 wards/units) in Africa to 90.4% (235/260) in Australia, similar to the use of validated delirium assessments with 29.6% (29/98) in Africa to 93.5% (116/124) in North America. Wards/units with a delirium management protocol [n = 1094/1664, 66.8%] were more likely to use a validated delirium test than those without a protocol [odds ratio 6.97 (95% confidence interval 5.289–9.185)]. The presence of a delirium protocol increased the chances for valid delirium assessment and, likely, evidence-based interventions. Conclusion Wards/units that reported the presence of delirium management protocols had a higher probability of using validated delirium assessments tools to assess for delirium.

Abstract Background Relationships of midlife inflammation with late‐life mobility and influences of chronic health conditions, race, and social determinants of health (SDoH) on these relationships are poorly understood. Methods Among 4758 community‐dwelling participants (41% men, 20% Black), high‐sensitivity C‐reactive protein (hsCRP) was measured over 20+ years: in midlife at study visit 2 (V2: 1990–1992, 47–68 years); at V4 (1996–1998, 53–74 years); and with concurrent late‐life 4‐m gait speed at V5 (2011–2013, 67‐88 years, mean 75 years). SDoH measures included race, the national‐rank area deprivation index, education, and income. We examined associations of late‐life gait speed with midlife hsCRP (V2 continuous and clinically high ≥3 mg/L), with 20‐year hsCRP history from midlife (V2–V5 average continuous hsCRP and clinically high ≥3 mg/L) and with inflammation accumulation (visits and years with high hsCRP). Regression models adjusted for demographic, cardiovascular, and SDoH measures; effect modification by the presence of other common chronic conditions (obesity, diabetes, hypertension) and race were examined, with and without accounting for SDoH. Results High midlife hsCRP was associated with slower late‐life gait speed, even among those without chronic conditions in midlife: −4.6 cm/s (95% CI: −6.4, −2.8). Importantly, sustained high hsCRP was associated with a 20‐year slowing of −10.0 cm/s (−14.9, −5.1) among those who never experienced obesity, diabetes, or hypertension over the 20‐year period. Associations were similar between Black participants, −3.8 cm/s (−6.9, −0.7) and White participants −3.3 (−4.5, −2.2) per interquartile range of midlife hsCRP; effect modifications by chronic conditions and race were unsupported throughout. Results were robust to accounting for SDoH or otherwise; however, worse SDoH was associated with higher inflammation and slower gait speed in both Black and White participants. Conclusions Inflammation in midlife may contribute to clinically meaningful late‐life slowing of gait speed, even among otherwise healthy‐appearing adults and regardless of race and socioeconomic disadvantage. Regular monitoring and interventions for inflammation may be warranted from midlife.

7533 Background: Maintenance treatment (rx) with lenalidomide (R) improves overall survival (OS) in multiple myeloma (MM). We report a retrospective cohort of patients (pts) with second primary B-cell acute lymphoblastic leukemia (ALL) diagnosed after R-rx for MM. Methods: We included pts who were exposed to at least 1 yr of R for MM rx prior to ALL dx. After approval by institutional review board, data were collected by chart review at participating centers using Redcap. OS was the primary endpoint. We used BlueSky statistics v10.3.1 for analysis. Results: Analysis included 33 ALL pts diagnosed from 2014-2022 at 7 sites. 52% pts were female. Median follow up was 9.6 yrs (95%CI,7.6-11.8) from MM dx and 3.2 yrs (CI, 2.1-4.7) from ALL dx. Pt characteristics at MM dx are given in Table. Induction rx included: proteasome inhibitor (PI) +immunomodulatory drug (IMiD) (43%), PI+alkylator (24%), IMiD (18%) & others (15%). 50% pts received autologous stem cell transplantation (ASCT). Median OS from MM dx was 11.2 yrs (CI, 8.9-NR). Time from MM dx and initial R rx to ALL dx were 5.0 yrs (range, 2.4-18.5) and 4.4 yrs (2.2-10.6) respectively. Median duration of R exposure before ALL dx was 3.8 yrs (1.6-10.4). Table shows characteristics of pts at B-ALL dx and genetic classification based on karyotyping (n=30), ALL FISH (n=28), chromosomal microarray (n=5) and next-generation sequencing (n=5). 31 pts received ALL-directed rx while 1 pt was initially managed with close observation as the pt attained CR on stopping R ( Lakshman et al; ASH 2019 ). Rx was unknown in 1 pt. Initial rx included: hyper-CVAD+/- rituximab- 49%, pediatric inspired protocols-18%, reduced intensity rx for frail pts- 21% and others- 12%. Response to first line rx were: CR- 56%, CRi- 28%, induction failure- 16%. 32% pts attained measurable residual disease (MRD) negativity. 48% pts underwent SCT for ALL. 14 pts died during follow up. 3-yr OS from ALL-dx was 50% (CI, 33%-76%). 3 pts required rx for MM after ALL diagnosis (2 had allo-SCT for ALL before MM relapse). Conclusions: Most pts had standard risk MM and were exposed to R for several years prior to dx of B-ALL, characterized by high incidence of hypodiploid karyotype; IKZF1 loss and TP53 deletions/mutations were detected in a subset of pts.MRD-adapted timely discontinuation of R in standard risk MM may decrease risk of second primary ALL. [Table: see text]

AbstractBackgroundHead and neck osteoradionecrosis (ORN) of the midface requiring free flap (FF) reconstruction is uncommon. This multi‐institutional study was designed to review outcomes for this rare patient population.MethodsRetrospective multi‐institutional review of FF reconstruction for midface ORN (2005–2022; n = 54).ResultsThe FF survival rate was 87% (n = 54). Patients were less likely to be tolerating a regular diet at 3 months postoperative if they had a preoperative history of prior head and surgery (80% vs. 95%; p = 0.02), a pathologic fracture (50% vs. 90%; p = 0.04), exposed bone intraorally (43% vs. 94%; p = 0.002), or a fistula (67% vs. 96%; p = 0.03). Mean albumin was higher in patients whose FF survived (3.6 ± 0.5 vs. 2.7 ± 1.4; p = 0.03). Patients with low prealbumin were more likely to undergo a hematoma evacuation (27% vs. 0%; p = 0.02).ConclusionIn this series of midface ORN requiring FF reconstruction preoperative nutritional status impacted postoperative complications. Preoperative occurrence of a fistula, pathologic fracture, and intraoral bone exposure correlated with decreased tolerance of a regular diet following reconstruction.

Abstract Background Inflammatory bowel disease (IBD)–associated peripheral spondyloarthritis (pSpA) decreases quality of life and remains poorly understood. Given the prevalence of this condition and its negative impact, it is surprising that evidence-based disease definitions and diagnostic strategies are lacking. This systematic review summarizes available data to facilitate development and validation of diagnostics, patient-reported outcomes, and imaging indices specific to this condition. Methods A literature search was conducted. Consensus or classification criteria, case series, cross-sectional studies, cohort studies, and randomized controlled trials related to diagnosis were included. Results A total of 44 studies reporting data on approximately 1500 patients with pSpA were eligible for analysis. Data quality across studies was only graded as fair to good. Due to large heterogeneity, meta-analysis was not possible. The majority of studies incorporated patient-reported outcomes and a physical examination. A total of 13 studies proposed or validated screening tools, consensus, classification, or consensus criteria. A total of 28 studies assessed the role of laboratory tests, none of which were considered sufficiently accurate for use in diagnosis. A total of 17 studies assessed the role of imaging, with the available literature insufficient to fully endorse any imaging modality as a robust diagnostic tool. Conclusions This review highlights existing inconsistency and lack of a clear diagnostic approach for IBD-associated pSpA. Given the absence of an evidence-based approach, a combination of existing criteria and physician assessment should be utilized. To address this issue comprehensively, our future efforts will be directed toward pursuit of a multidisciplinary approach aimed at standardizing evaluation and diagnosis of IBD-associated pSpA.

AbstractIn response to the evolving treatment landscape for new‐onset refractory status epilepticus (NORSE) and the publication of consensus recommendations in 2022, we conducted a comparative analysis of NORSE management over time. Seventy‐seven patients were enrolled by 32 centers, from July 2016 to August 2023, in the NORSE/FIRES biorepository at Yale. Immunotherapy was administered to 88% of patients after a median of 3 days, with 52% receiving second‐line immunotherapy after a median of 12 days (anakinra 29%, rituximab 25%, and tocilizumab 19%). There was an increase in the use of second‐line immunotherapies (odds ratio [OR] = 1.4, 95% CI = 1.1–1.8) and ketogenic diet (OR = 1.8, 95% CI = 1.3–2.6) over time. Specifically, patients from 2022 to 2023 more frequently received second‐line immunotherapy (69% vs 40%; OR = 3.3; 95% CI = 1.3–8.9)—particularly anakinra (50% vs 13%; OR = 6.5; 95% CI = 2.3–21.0), and the ketogenic diet (OR = 6.8; 95% CI = 2.5–20.1)—than those before 2022. Among the 27 patients who received anakinra and/or tocilizumab, earlier administration after status epilepticus onset correlated with a shorter duration of status epilepticus (ρ = .519, p = .005). Our findings indicate an evolution in NORSE management, emphasizing the increasing use of second‐line immunotherapies and the ketogenic diet. Future research will clarify the impact of these treatments and their timing on patient outcomes.

LBA3 Background: National guidelines recommend the early integration of palliative and oncology care for patients with advanced cancer, given robust evidence showing that this care model improves quality of life (QOL) and other important outcomes. However, most patients do not receive early palliative care (EPC) in the outpatient setting due to limited access and resources. To overcome these barriers, we conducted a large-scale comparative effectiveness trial of EPC delivered via secure video versus in person among patients with advanced non-small cell lung cancer (NSCLC) and their caregivers. Methods: Between 6/14/2018 and 5/4/2023, we enrolled 1250 patients with advanced NSCLC, diagnosed in the past 12 weeks, into a randomized trial of telehealth versus in-person EPC across 22 cancer centers in the US. Patients were randomly assigned to meet with a palliative care clinician every four weeks from enrollment through the course of disease either via video or in the outpatient clinic. Participants completed self-report measures at baseline and weeks 12 and 24. The primary aim was to evaluate the equivalence of the effect of telehealth versus in-person EPC on QOL at week 24, using regression modeling with an equivalence margin of ±4 points on the Functional Assessment of Cancer Therapy-Lung (FACT-L, range = 0-136). We also compared rates of caregiver participation in EPC visits and patient-reported depression and anxiety symptoms (Patient Health Questionnaire-9; Hospital Anxiety and Depression Scale), coping (Brief COPE), and perceptions of prognosis (Perceptions of Treatment and Prognosis Questionnaire) between groups. Study recruitment ceased for two months at the onset of the COVID-19 pandemic. Results: Participants (mean age = 65.5 years; 54.0% female; 82.1% White) had a mean of 4.75 and 4.92 palliative care encounters by week 24 in the telehealth and in-person groups, respectively. Due to the pandemic, the in-person group had 3.9% of visits occur via video. QOL scores at week 24 for patients assigned to the telehealth group were equivalent to those receiving in-person EPC (adjusted means: 99.67 versus 97.67, p < 0.043 for equivalence). The rate of caregiver participation in EPC visits was lower in the telehealth versus in-person group (36.6% versus 49.7%, p < 0.0001). Study groups did not differ in depression and anxiety symptoms, use of coping skills, or perceptions of the goal of treatment and curability of their cancer. Conclusions: The delivery of EPC via video versus in-person visits demonstrated equivalent effects on QOL in patients with advanced NSCLC. The two modalities also did not differ across a range of patient-reported outcomes, though caregivers attended more in-person versus video visits. The findings underscore the considerable potential for improving access to and broader dissemination of this evidence-based care model through telehealth delivery. Clinical trial information: NCT03375489 .

TPS1137 Background: BriaCell (BC) human immortalized cell lines have been engineered to trigger robust immune responses and deliver efficacy through diverse mechanisms, including adaptive (involving T-cells) and innate responses (dendritic and NK cells). BC can match patients’ HLA antigens for optimal effectiveness. BC works by several mechanisms, including direct antigen presentation and activation of CD4+ T-cells. When combined with an immune checkpoint inhibitor, the BC regimen has demonstrated clinical benefit in 54 heavily treated MBCs. Most pts whose disease has progressed after checkpoint inhibitor (CPI) therapy showed similar or improved PFS compared to the patient's last treatment regimen. Disease control after prior antibody-drug conjugates (ADCs) has been observed in 40% of patients, and clinical benefit has been seen in 5/7 patients with untreated intracranial metastases. CD8+ Immuno PET shows an increase in CD8+ tumor infiltrating lymphocytes suggesting systemic activation and infiltration into lymphoid organs and metastatic sites. Sequencing of CPI with BC and the latest phase 3 formulation are associated with improved clinical outcomes, including OS (median 13.4 months), PFS, and CBR, which are reflected in the design of this ongoing pivotal registration enabling Phase 3 study [doi:10.1158/1538-7445.sabcs22-p3-07-12]. Methods: Multicenter randomized, open label Bria-IMT regimen (with SV-BR-1-GM cells) plus CPI vs Treatment of Physicians' Choice (TPC) in MBCs with no approved curative therapies available. ECOG <2 allowed with no limit on prior therapies. Eligibility encompasses all MBC subtypes including pts with CNS metastases. Prior immune therapy is allowed if administered more than 21 days before the first cycle of Bria-IMT; treatments within 21 days preclude participation. Initial randomization will be 1:1:1 to the Bria-IMT regimen + CPI (combination), TPC, and the Bria-IMT regimen alone (monotherapy). There will be 100 sites across the US, Canada, and ex-NA for 404 total evaluable pts. The Bria-IMT regimen includes: Day -2 Cyclophosphamide 300mg/m2, Day 0 20 million irradiated SV-BR-1-GM cells intradermally, and 0.1mcg peg α interferon intra-dermally (Day 2 or 3) into each Bria-IMT inoculation site. After the first 150 pts have enrolled, the monotherapy arm will be discontinued. Bria regimen + CPI arms treatment cycles occur q3w. CPI infusion is given every cycle between Day –3 to Day 3 TPC cycle details will be according to the site's SOC. Imaging assessment will be q6w x2 then q8w. The primary endpoint is overall survival with an interim analysis at 144 events targeting a hazard ratio of 0.6. Key secondary endpoints will include PFS, ORR, CBR, CNS event free survival, and TWiST (time without symptoms or toxicities). Safety analysis will be ongoing. Patient-reported outcomes will be incorporated to assess subjective treatment effects. Clinical trial information: NCT06072612 .

AbstractINTRODUCTIONWhile Latin America (LatAm) is facing an increasing burden of dementia due to the rapid aging of the population, it remains underrepresented in dementia research, diagnostics, and care.METHODSIn 2023, the Alzheimer's Association hosted its eighth satellite symposium in Mexico, highlighting emerging dementia research, priorities, and challenges within LatAm.RESULTSSignificant initiatives in the region, including intracountry support, showcased their efforts in fostering national and international collaborations; genetic studies unveiled the unique genetic admixture in LatAm; researchers conducting emerging clinical trials discussed ongoing culturally specific interventions; and the urgent need to harmonize practices and studies, improve diagnosis and care, and use affordable biomarkers in the region was highlighted.DISCUSSIONThe myriad of topics discussed at the 2023 AAIC satellite symposium highlighted the growing research efforts in LatAm, providing valuable insights into dementia biology, genetics, epidemiology, treatment, and care.

Introduction Empowering people living with multimorbidity (multiple chronic conditions) to gain greater confidence in managing their health can enhance their quality of life. Education focused on self-management is a key tool for fostering patient empowerment and is mostly provided on an individual basis. Virtual communities of practice (VCoP) present a unique opportunity for online education in chronic condition self-management within a social context. This research aims to evaluate the effectiveness/cost-effectiveness of individualised, online self-management education compared with VCoP among middle-aged individuals living with multiple chronic conditions. Methods and analysis People aged 30–60, living with ≥2 chronic conditions and receiving care in primary care (PC) centres and outpatient hospital-based clinics in Madrid and Canary Islands will enrol in an 18-month parallel-design, blinded (intervention assessment and data analysts), pragmatic (adhering to the intention-to-treat principle), individually randomised trial. The trial will compare two 12-month web-based educational offers of identical content; one delivered individually (control) and the other with online social interaction (VCoP, intervention). Using repeated measures mixed linear models, with the patient as random effect and allocation groups and time per group as fixed effects, we will estimate between-arm differences in the change in Patient Activation Measure from baseline to 12 months (primary endpoint), including measurements at 6-month and 18-month follow-up. Other outcomes will include measures of depression and anxiety, treatment burden, quality of life. In addition to a process evaluation of the VCoP, we will conduct an economic evaluation estimating the relative cost-effectiveness of the VCoP from the perspectives of both the National Health System and the Community. Ethics and dissemination The trial was approved by Clinical Research Ethics Committees of Gregorio Marañón University Hospital in Madrid/Nuestra Señora Candelaria University Hospital in Santa Cruz de Tenerife. The results will be disseminated through workshops, policy briefs, peer-reviewed publications and local/international conferences. Trial registration number NCT06046326 .