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Autologous stem cell transplantation (ASCT) in AL amyloidosis effectively produces a high overall hematological response rate, complete response rate, and durable remissions. However, it is a high-dose chemotherapy-based therapy with high morbidity which can be offered only to a subset of AL amyloidosis patients who are considered fit for this therapy. Transplant-related mortality (TRM) in AL amyloidosis has decreased over the past three decades due to improvement in patient selection. New therapeutic options question the utilization of ASCT. A model to predict TRM can improve the decision-making process, patient selection and further reduce TRM. AL amyloidosis patients (n=1718) from 9 centers globally, transplanted in the years 2003-2020 were included. Pre-ASCT variables of interest were assessed for association with Day-100 all-cause mortality, including age at ASCT (≥ 60 years), sex, light chain isotype, ECOG performance status (ECOG PS; 0, 1 and 2/3), the difference between involved and uninvolved light chains (dFLC; ≥180 mg/L), N-terminal prohormone of B natriuretic peptide (NT-proBNP; ≥1800 pg/mL) or B-type natriuretic peptide (BNP; ≥400 pg/mL), left ventricle ejection fraction (LVEF, <50%), interventricular septum (>16 mm), corrected diffusing capacity for carbon monoxide (cDLCO; ≤65% of predicted), forced expiratory volume in one second (FEV1; ≤65% of predicted), serum albumin (<2.5 g/dL), estimated glomerular filtration rate (eGFR; <30 mL/min/m2), alkaline phosphatase (>X2 upper limit of normal), and systolic blood pressure (<100 mmHg). Troponins could not be included in our modeling given the multitude of assays used across institutions and periods that could not be reconciled. A random forest (RF) classifier with 10-fold cross-validation was used to assist in variable selection. The final model variables were selected based on statistical performance and clinical relevance. The model was fitted using logistic regression. The median age at ASCT was 58, and 40% of patients were women. The most frequently involved organs were the kidneys (69%) and the heart (52%). Mayo 2004 stages I and II were collectively present in 83% of patients. Day-100 TRM occurred in 75 patients (4.4%) with the 3 main causes being shock (n=27), cardiac arrhythmia (n=26), and organ failure (n=22). Age at ASCT, sex, and light chain isotype were not predictors of Day-100 TRM. Across the other pre-ASCT variables, adverse features were present from 6.9% (LVEF <50%) to 25.8% (dFLC ≥180 mg/L) of patients. Ten factors were associated with Day-100 TRM on univariate analysis. The odds ratio of these variables ranged from 1.6 to 10.2. RF classifier using all these variables identified a model with an area under the curve (AUC) of 0.72±0.12. Using the importance hierarchy function to refine the model selection, a 4-variable model [NT-proBNP/BNP ≥1800/400 pg/mL, serum albumin <2.5 g/dL, ECOG PS 1 or 2/3, and systolic blood pressure <100 mmHg] was built with an AUC of 0.70±0.12. Based on logistic regression coefficients, ECOG PS 2/3 was assigned two points, while other adverse predictors were assigned 1-point each (model score range 0-5). We then applied the model scoring to our study population. Score distribution was as follows: 0 (n=431, 25.1% of patients), 1 (n=688,40.1%), 2 (n=413, 24.0%), and 3 and above (n=186, 10.8%). Day-100 TRM rates were 0.46%, 3.2%, 5.8%, and 14.5% for 0, 1, 2, and ≥3 points, respectively. The respective rates for the years 2003-2011 were 1.1%, 3.3%, 6.4%, and 19.2%, while for the years 2012-2020 0%, 3.1%, 5.2%, and 8.4%. We developed a simple clinical tool to predict the Day-100 TRM risk in AL patients undergoing ASCT. This tool will allow more informed decision making weighing the individual benefits and risks of ASCT compared to other therapies.

Introduction: Adults older than 60 years constitute 20-25% of newly diagnosed classic Hodgkin lymphoma (cHL) and have inferior outcomes compared to younger patients (pts). Salvage therapy followed by an autologous stem cell transplant (ASCT) is a potentially curative option for pts with relapsed/refractory (R/R cHL). There is limited data regarding outcomes of older adults with R/R cHL who undergo ASCT in the current era where novel agents are employed in the R/R setting, in comparison with younger patients. Methods: This multicenter, international, retrospective study of 18 participating institutions included adults with R/R cHL who underwent ASCT from January 1, 2010 through December 31 2020. Retrospective chart review was performed to collect data on patient and disease characteristics at relapse, including lines and type of salvage therapy, pre-ASCT response by PET, and use of brentuximab vedotin (BV) as consolidation post-ASCT. Study objectives were to assess progression-free survival (PFS), overall survival (OS), and the probability of non-relapse mortality (NRM) with relapse as a competing event. NRM was defined as death without preceding relapse. Results: Of the total 1172 adults with R/R cHL enrolled in the parent cohort, 96 (8.1%) were age 60 years or older at the time of ASCT. In this older cohort, the median age was 66 years (range: 60-72). 54 (56%) were age 60-64, 31 (32%) were of age 65-69 and 11 (11%) were of age 70-72. 59 (61%) were male, 63 (66%) had advanced stage disease, 17 (18%) had bulky disease, 37 (39%) had B symptoms and 38 (40%) had extranodal disease. All patients (pts) received ABVD or ABVD-like frontline therapy. The median time to relapse was 6 months (range: 0-174). 48 pts (50%) relapsed within a year after completion of frontline treatment and 25 (26%) had primary refractory disease. Salvage therapy prior to ASCT included platinum-based chemotherapy (65%), BV-based regimen (34%), and PD-1 inhibitor-based regimens (3%). 16 pts (16%) underwent ASCT after >1 line of salvage therapy and 75 (78%) underwent ASCT after achieving a complete metabolic response (CMR). 14 pts (14.6%) received BV consolidation. Median follow-up for entire population was 53.4 months (range: 0.3-199.0). In older adults, the 5-year PFS was 54.2% (CI95: 43.4-67.6) not statistically different compared to pts <60 years (67.7% (CI95: 64.3-71.3), p=0.2). However, 5-year OS was inferior in older adults: 71.9% (CI95: 43.4-67.6) vs. 82.6% (CI95: 43.4-67.6) in pts <60 years (p <0.0001)). In pts ≥60, 26 (27%) died including 12 (12.5%) without preceding relapse. Older adults had 3-month, 1-year and 5-year probability of NRM of 5.2% (CI95: 2.2-12.2), 7.5% (CI95: 3.6-15.3), and 10.9% (CI95: 5.8-20.8), respectively. NRM was significantly higher in older adults compared to pts <60 who had 3-month, 1-year and 5-year probability of NRM of 0.3% (CI95: 0.1-1.0), 0.9% (CI95: 0.5-1.7), and 2.5% (CI95: 1.6-3.9), respectively (p<0.0001). Older adults had 3-month, 1-year and 5-year probability of relapse of 1% (CI95: 0.2-7.3), 7.5% (CI95: 3.6-15.3), and 28.6% (CI95: 19.1-42.1), respectively, which did not differ significantly from younger pts (p=0.3) who had 3-month, 1-year and 5-year probability of relapse of 0.6% (CI95: 0.3-1.3), 5.1% (CI95: 3.8-6.6), and 29.9% (CI95: 26.6-33.5), respectively. Conclusions: Although older adults with cHL are more likely to relapse after frontline treatment, only a minority of pts (<10%) in this large multicenter cohort underwent ASCT at age ≥60. In select older adults who underwent ASCT, the risk of relapse was similar to younger pts, but NRM was significantly higher, especially in the early post-ASCT period. Detailed assessment of comorbidity scores, toxicities of salvage therapies, and prognostic factors will be presented at the conference.

Background: Immunosuppressive therapy (IST) is considered the standard front-line treatment for acquired severe aplastic anemia (SAA) for pts >40 years. For pts aged <40 years who have a suitable human leukocyte antigen (HLA)-matched sibling donor (MSD), hematopoietic stem cell transplantation (HSCT) is recommended. This recommendation is based on the toxicity associated with alternative donors; haploidentical (HAPLO) and unrelated donor (URD) HSCT for patients who lack a MSD. However, the hematopoietic response after IST is ~ 70-80%, even after augmentation with eltrombopag in the front-line setting, and failure-free survival (FFS, defined as patients alive and in remission without clonal disease more than 10 years after IST) remains < 40%. HSCT is often employed as a second line salvage therapy for those who do not respond to IST or have disease recurrence. However, outcomes after HSCT are often compromised because of IST-related complications such as clonal evolution, development of donor specific antibodies, infectious adverse events and organ dysfunction. In contrast, a successful allogeneic HSCT leads to relatively prompt hematopoietic and immune reconstitution and mitigates the risk of secondary clonal disease. Innovations in recent decades, such as improved graft versus host disease (GVHD) prophylaxis and supportive care, have steadily reduced the morbidity and mortality of adults undergoing HSCT from unrelated or mismatched donors and expanded the donor pool such that almost all pts with SAA have a potential donor available. The use of post-transplant cyclophosphamide (PTCy) is now a well-established approach to facilitate engraftment and mitigate the risk of GVHD. It was successfully used in relapsed/refractory SAA pts using HAPLO donors in the multi-center BMT CTN #1502 trial (NCT02918292). Similar PTCy based approaches have been effective in the upfront setting with HAPLO and URD in small single center studies. Opened in July 2024, the CureAA trial (NCT06517641), seeks to increase donor options for SAA pts who have not yet received IST by using PTCy based GVHD prophylaxis for HSCT using HAPLO or URD. Study Design and Methods: This BMT CTN study (#2207) is a prospective multi-center phase II trial to assess efficacy of HSCT using HAPLO or URD bone marrow with a reduced intensity, thymoglobulin (ATG)-containing preparative regimen and PTCy GVHD prophylaxis in previously untreated SAA pts. This trial has two parallel cohorts for each donor type, HAPLO and URD, with an accrual goal of 30 participants in each cohort. All will receive ATG (0.5mg/kg on day -9 and 2mg/kg on days -8 and -7), cyclophosphamide (14.5mg/kg on days -6 and -5), fludarabine (30mg/m2 on days -6 to -2), 400 cGy total body irradiation (day -1 in a single fraction), a marrow graft (goal >2.5 x 108 nucleated cells per kg of recipient) on day 0 and PTCy (50mg/kg on days +3 and +4). Additionally, participants receive tacrolimus (until day +180) and mycophenolate mofetil days +5-35. The primary objective of the trial is to estimate the GVHD-free failure-free survival (GFFS) rate at 1 year after initiation of conditioning. GFFS is a composite endpoint of survival without grade III-IV acute GVHD, chronic GVHD requiring immunosuppression, or primary or secondary graft failure requiring second definitive therapy within 1 year after initiation of conditioning. Secondary objectives will evaluate patient survival, engraftment, transfusion dependence, cumulative incidence of GVHD and hematologic response. Health related quality of life, healthcare utilization and financial toxicity data will also be collected. These endpoints will allow clinical comparison with current results achieved with upfront IST in other studies. We hypothesize that this HSCT approach will improve survival without significant transplant-associated morbidity by using a low toxicity regimen that reduces rates of GVHD and provides rapid hematologic recovery without graft failure, thereby making HAPLO and URD HSCT a viable option for initial upfront treatment of SAA. The ability to use mismatched donors will also ensure that a HSCT option is more widely available to all racial/ethnic groups. This collaborative study was funded by grants U10HL069294, U24HL138660 to the BMT CTN from the NHLBI/ NCI, along with funding from Sanofi. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.

Abstract Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related mortality worldwide including sub-Saharan Africa. The GALAD score, derived from Gender, Age, Lens culinaris agglutinin-reactive fraction of alpha fetoprotein, Alpha fetoprotein, and Des-carboxy-prothrombin, has high accuracy in diagnosing HCC in Asia, Europe, and North America; however, it has not been validated in an African cohort. The aim of this study was to assess the performance of the GALAD score in the diagnosis of HCC in sub-Saharan Africa. Clinical data from patients with cirrhosis (n = 93) or HCC (n = 78) from outpatient hepatology clinics at three teaching hospitals in Ghana were abstracted, and serum samples were analyzed. A logistic regression model predicting HCC status based on the GALAD score was constructed to obtain the ROC curve for GALAD. The AUC with 95% confidence interval (CI) was calculated. The median GALAD score was higher among patients with HCC versus cirrhosis controls (8.0 vs. −4.1, P < 0.01). The AUC of the GALAD score for HCC detection was 0.86 (95% CI, 0.79–0.92). At a cut-off value of −0.37, the GALAD score had a sensitivity of 0.81 and a specificity of 0.86. The AUC (95% CI) was 0.87 (0.80–0.95) and 0.81 (0.67–0.94) in hepatitis B virus–positive and hepatitis B virus–negative patients, respectively. The GALAD score has a high accuracy for HCC detection. It has great potential to improve HCC surveillance in sub-Saharan Africa where imaging resources are limited. Significance: The GALAD score or its relevant modifications have the potential to aid in improving HCC surveillance efforts in low-resource settings in sub-Saharan Africa. This could enhance early detection rates of HCC and potentially improve survival rates in resource-limited settings.

Abstract Introduction Effective pain and anxiety management during the perioperative phase remains a challenge for patients undergoing surgeries and other invasive procedures. The current standard of care involves prescribing analgesics to treat these conditions; however, there has been recent interest in applying multimodal strategies that limit the use of these medications. One such modality is meditation, which has been shown to be effective in alleviating various physical and psychological symptoms in other settings. This systematic review aims to assess how current meditative practices affect perioperative pain and anxiety. Methods We conducted a systematic review of randomized controlled trials following the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses guidelines. A comprehensive literature search was conducted using PubMed MEDLINE, Embase, PsycINFO, APA PsycINFO, EBM Reviews, Scopus, and Web of Science for all available dates. Our primary outcomes of interest were patient‐reported pain and anxiety scores using the Visual Analog Scale, the Brief Pain Inventory, the Depression Anxiety Stress Scale, the State‐Trait Anxiety Inventory (STAI), and the Hospital Anxiety and Depression Scale (HADS). For the HADS and STAI scales, only the anxiety and anxiety‐state subgroups were reported, respectively. Results The literature search yielded 1746 articles. A total of 286 full‐text articles were screened, and 16 studies were included in this systematic review. A total of eight studies assessed pain scores after invasive procedures; five reported improvements in pain scores, and three reported no change after meditative practices. Ten studies assessed anxiety outcomes after invasive procedures: nine reported a decrease in overall anxiety levels as a result of meditation practices while one study reported no change in anxiety scores. Conclusion Data from this limited literature suggests that different meditation practices could be effective in alleviating pain and anxiety within the perioperative phase for patients undergoing various types of invasive procedures. Future prospective studies are needed to determine whether routine meditation in the perioperative setting is effective in mitigating perioperative pain and anxiety.

Background: Women with stress urinary incontinence (SUI) may have altered running mechanics and reduced hip muscle strength compared with women without SUI. Little research has examined running metrics and functional lower extremity strength of parous runners. Objective: To determine whether SUI severity correlates with running metrics and lower extremity muscle strength among parous women. Study Design: This was a cross-sectional observational study of 22 parous participants (mean age 39.8 years, with a mean of 3.4 pregnancies and 8.1-year interval since last delivery). Methods: Participants completed the International Consultation on Incontinence Questionnaire–Urinary Incontinence Short Form (ICIQ-UI), Urinary Distress Inventory-6 (UDI-6), Colorectal-Anal Distress (CRAD) Inventory-8, and Pelvic Organ Prolapse Distress Inventory-6 (POPDI-6), and Questionnaire for Urinary Incontinence Diagnosis (QUID) and provided demographic, relevant running, and obstetric/gynecologic history information. After a brief warm-up, participants completed 30-second single-leg sit-to-stand tests bilaterally and a standardized 10-minute treadmill run with pod cadence assessment. Pearson-product moment correlation coefficients were calculated (α = .05). Results: Prolonged ground contact times were associated with higher ICIQ-UI SF (r= 0.523, P= .015), POPDI-6 (r= 0.694, P< .001), and UDI-6 scores (r= 0.577, P= .006), while lower cadences were associated with higher POPDI-6 (r=−0.550, P= .010) and UDI-6 scores (r=−0.444, P= .044). Conclusions: Parous female runners with more severe SUI and prolapse symptoms demonstrate altered running mechanics characterized by prolonged ground contact times and slower cadences.

TPS4199 Background: Biliary tract cancer (BTC) is a rare but aggressive heterogenous group of gastrointestinal cancers that arise from the intra- or extrahepatic bile ducts (cholangiocarcinoma [CCA]) or the gallbladder (GBC). In early-stage disease following curative resection, adjuvant chemotherapy with a fluoropyrimidine- or gemcitabine-based regimen is usually recommended, however, recurrence rates remain high (e.g. in the BILCAP study, 5-year recurrence-free survival with adjuvant capecitabine was 34%). Immunotherapy is efficacious as adjuvant therapy in other cancer types. Results from the TOPAZ-1 and KEYNOTE-966 studies support combining immunotherapy and chemotherapy in advanced BTC, including in locally advanced non-metastatic disease. Furthermore, dual inhibition of programmed cell death-1 (PD-1) or programmed cell death ligand-1 (PD-L1) and the novel immune checkpoint, T cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIGIT), has shown promising results across multiple tumor types without major increases in high-grade toxicity compared with PD-1 or PD-L1 inhibition alone. Rilvegostomig is an anti-PD-1/-TIGIT bi-specific monoclonal antibody that appears active and well tolerated in non-small-cell lung cancer. ARTEMIDE-Biliary01 will investigate the efficacy of rilvegostomig plus standard of care adjuvant chemotherapy in patients with BTC after curative intent resection. Methods: ARTEMIDE-Biliary01 (NCT06109779) is a Phase 3, randomized, double-blind, placebo-controlled, multicenter, global study to assess the efficacy and tolerability of rilvegostomig IV every three weeks versus placebo in combination with investigator's choice of chemotherapy (capecitabine, S-1 [tegafur/gimeracil/oteracil] or gemcitabine/cisplatin) as adjuvant treatment in patients with BTC after curative intent resection. This study will enroll approximately 750 adults with histologically confirmed adenocarcinoma of the biliary tract (intrahepatic or extrahepatic CCA or muscle-invasive GBC) after macroscopically complete resection (R0 or R1) and an ECOG PS of 0–1. Key exclusion criteria include locally advanced, unresectable, or metastatic disease at initial diagnosis and any anti-cancer therapy for BTC prior to surgery. The primary endpoint is recurrence-free survival, and the key secondary endpoint is overall survival. Additional endpoints include progression-free survival following recurrence, patient-reported tolerability, and safety. Enrollment has begun, and approximately 200 sites will be recruiting globally across Asia, Australia, Europe, North America, and South America. Clinical trial information: NCT06109779 .