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  • 1
    In: Cancer Immunology, Immunotherapy, Springer Science and Business Media LLC, Vol. 72, No. 3 ( 2023-03), p. 775-782
    Type of Medium: Online Resource
    ISSN: 0340-7004 , 1432-0851
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 1458489-X
    detail.hit.zdb_id: 195342-4
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  • 2
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. e16007-e16007
    Abstract: e16007 Background: PUC is uncommon and highly aggressive, with limited data on treatment patterns, outcomes and prognostic factors. We hypothesized that PUC is associated with clinical under-staging, poor outcomes and lack of chemotherapy (CT) response. Methods: We conducted a retrospective review of pts with UC and plasmacytoid component (PUC), seen in our institution (2000 - 2018). Demographic and clinicopathologic data, treatment modalities, pathologic complete/partial response (pCR, pPR) to neoadjuvant CT (NAC), and overall survival (OS) from diagnosis and surgery (Sx) were captured. T-test, chi-square, and Cox-regression were used to explore potential prognostic associations. OS was estimated with KM method. Results: We identified 63 consecutive pts (51 men) with available data for analysis. Median age at diagnosis was 67 (44-89). During initial diagnostic workup, 32 (51%) pts had extravesical disease (cT3:24, cT4:8) and 23 (36.5%) hydronephrosis at imaging. Overall, 39 (62%) pts underwent Sx with curative intent, 25 (39.6%) were pre-treated with cisplatin-based NAC; adjuvant CT was given to 15 (24%). The remaining pts pursued bladder-sparing and/or palliative approaches. At time of Sx, 17/39 (43.6%) pts had pathologic upstaging, 10 (25.6%) had positive margins and 19 (48.7%) pN+ stage. In the NAC pt subset (25 pts), 5 (20%) had progression on scans, 19 (76%) had Sx; 2 pts had pCR (10.5%), 1 had pPR, 6 (31.5%) had pathologic upstaging. In the entire cohort, median follow-up was 8 months. Median OS was 20.7 months from diagnosis and 23.6 months from Sx. NAC was not significantly associated with longer OS (from Sx) (HR 1.53, 95%CI 0.16-15, p = 0.715) and the same was true for adjuvant CT (HR 0.64, 95%CI 0.1-4, p = 0.630). 15/39 pts recurred after Sx (38.4%), with 9/15 (60%) having peritoneal/retroperitoneal involvement. Conclusions: PUC frequently presented with advanced stage at diagnosis and demonstrated poor NAC response, frequent upstaging, positive margins and pN+ stage at Sx. More than half of patients who recurred after Sx, presented with (retro)peritoneal disease. Studies evaluating molecular biomarkers and drivers in PUC, and prospective clinical trials are being pursued.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 3
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 7_suppl ( 2019-03-01), p. 371-371
    Abstract: 371 Background: Although the genomic landscape of LTUC is well studied, less is known about UTUC, including in the metastatic sites. We compared genomic features of metastatic UTUC and LTUC. Methods: We performed whole exome sequencing on 7 rapid autopsy patients with metastatic UC, with matched primary and metastatic tumor samples (N = 37). Single nucleotide variants (SNV) were identified using Mutect and Strelka. Focused analyses were performed on mutations with known significance in UC as well as mutations predicted to have functional impact using 11 mutation assessors. Genome scale copy number aberrations (CNA) were estimated using Sequenza (normalized for ploidy) to derive gene definition restricted copy number estimation outcomes. Multi-dimensional scaling (MDS) was used to visualize how copy number and mutation-derived genomic distances differed between LTUC and UTUC. Results: Three pts with UTUC (3 primary samples, 13 metastases) and four pts with LTUC (4 primary samples, 17 metastases) were examined. The majority of patients were male (5) and received cisplatin-based therapy (5). We found that SNV burden (mean mutation per megabase) was significantly higher in LTUC vs. UTUC overall (6.6 vs. 3.8, p = 0.001) and when stratified by primaries (6.1 vs. 2.9, p = 0.047); or metastases (6.7 vs. 4.1, p = 0.001). Mutational signature analysis revealed higher proportion of APOBEC signature in all LTUC vs. UTUC tumors. Both inter- and intra-individual genomic distances between primary and metastatic tissues were substantially larger in UTUC than LTUC, suggesting a wider spectrum of mutations at the level of individual nucleotides and chromosomal structure. Interestingly, Gene definition-restricted CNA analysis revealed MDM2 amplification exclusively in UTUC tumors which was associated with shallow p53 deletion. Conclusions: Metastatic UTUC appears to have a lower overall mutational burden but greater genomic variability compared to LTUC. Our relatively small dataset suggests that metastatic UTUC displays a greater spectrum of mutational divergence from LTUC which may partially explain differences in clinical behavior.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
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  • 4
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 15_suppl ( 2020-05-20), p. e17012-e17012
    Abstract: e17012 Background: Perioperative blood transfusion (PBT) has been associated with worse outcomes in surgical oncology across tumor types. We report our institutional experience of postoperative outcomes related to PBT utilization, in patients (pts) with bladder cancer (BC) treated with radical cystectomy (RC). We hypothesized that PBT is associated with worse clinical outcomes. Methods: Pts with BC treated with RC were retrospectively identified. Clinicopathologic and peri/post-operative data were extracted. PBT was defined as red blood cell transfusion during RC or postoperative hospitalization. Overall survival (OS, diagnosis to death) and recurrence free survival (RFS, RC to recurrence/death) were estimated with the KM method. T-test, χ 2 and log-rank test were used for group comparison analysis. Univariate/multivariate logistic (LR) and Cox regression (CR) were used to identify variables associated with dependent dichotomous outcomes and OS/RFS, respectively. Results: 784 consecutive pts (78% men; median age 67) were identified. At least one post-operative complication (POC) occurred in 407 (52%) pts; most common were pyelonephritis and sepsis (11% each). PBT was administered to 238 pts (30%). Those with PBT had a higher proportion of POCs (35% vs 28%, p = .02). Median follow-up, OS and RFS were 66 (95% CI: 60 - 72), 94 (95% CI: 79 - 109) and 66 months (95% CI: 50 – 82), respectively. Pts who received PBT had shorter OS (51 vs 130 months, p 〈 .001) and RFS (27 vs 86 months, p 〈 .001). In multivariate LR and CR, PBT was independently associated with higher odds of POCs (OR 1.5, 95% CI: 1.03 – 2.2, p = .03), length of hospital stay (LOS) 〉 10 days (OR 2.0, 95% CI 1.1 – 3.5, p = .02), shorter OS (HR 1.6, 95% CI 1.2-2.0, p = .001), and RFS (HR 1.5, 95% CI 1.2 - 1.9, p = .001), after adjustment for other relevant clinicopathologic variables (age, gender, performance status, neoadjuvant chemotherapy, baseline hemoglobin, open/robotic approach, pT/N stage, surgical margins, lymphovascular invasion at RC, variant histologies). Conclusions: Pts who received PBT had higher odds of POC, longer LOS and poor outcomes after RC. This is hypothesis-generating due to inherent study limitations. Further studies are needed to validate this finding, explain underlying mechanisms and explore putative interventions to improve outcomes.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
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  • 5
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 15_suppl ( 2020-05-20), p. e17016-e17016
    Abstract: e17016 Background: While sarcopenia is associated with increased mortality in bladder cancer, there is limited data in patients treated with neoadjuvant chemotherapy (NAC) that associates skeletal muscle index (SMI) and adverse treatment-associated outcomes. Herein, we evaluate associations between baseline SMI and severe adverse events (SAEs) during NAC and post-radical cystectomy (RC) 90-day Clavien ≥3 complications. Methods: SMI (cross sectional area of skeletal muscle, cm 2 / height 2 , m 2 ) was measured on an axial computed tomography (CT) image at the level of the third lumbar vertebral body, within 60 days prior to NAC and RC. Patients were classified as being sarcopenic, according to sex-specific consensus definitions: Male: SMI 〈 55, Female: SMI 〈 39. Associations with SAEs during NAC and 90-day Clavien grade 3-5 complications were assessed with multivariable logistic regression. Results: CT scans of sufficient quality (2005-18) were available for 143 patients. There were no significant differences in clinicopathologic characteristics between the study cohort and patients without available imaging (N = 261). Median SMI for men and women was 52.1 and 40.9 cm 2 /m 2 ; 86 (60%) were sarcopenic. SAEs were observed in 92 patients (64%), resulting in hospitalization during NAC in 27 (19%), while 20 (14%) patients did not complete planned NAC due to SAEs. After adjusting for age, performance status, and clinical stage, SMI was not independently associated with NAC-associated SAEs. Postoperative complications occurred in 82 (57%) patients, including infectious complications (39; 27%), wound dehiscence (8; 6%), 90-day readmission (27; 19%). Wound healing complications including dehiscence, clinically significant hernia, urine leaks, or fistulae occurred in 33 (23%). While SMI was not independently associated with risk of complications overall (OR: 1.00, 95% CI: 0.96 - 1.03), it was associated with infectious complications (OR: 0.96, 95% CI: 0.92 - 0.99, p = 0.02), and wound dehiscence (OR: 0.93, 95% CI: 0.86 - 0.99, p = 0.02) with a trend towards significance for associations with any wound-healing complications (OR: 0.96, 95% CI: 0.91 - 1.00, p = 0.08). Conclusions: In the largest reported series of post-NAC patients with RC and detailed follow-up, pretreatment SMI was not associated with SAEs during NAC but was associated with serious infectious complications and wound dehiscence after RC. This data highlights the potential value in measuring SMI to identify patients at risk for select SAEs. Future studies should assess the benefit of prehabilitation before and during NAC.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
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  • 6
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 15_suppl ( 2020-05-20), p. e17033-e17033
    Abstract: e17033 Background: Sarcomatoid urothelial carcinoma (SUC) is a rare and aggressive bladder cancer variant with little evidence regarding prognostic characteristics and response to neoadjuvant chemotherapy (NAC). In this study, we delineate oncologic outcomes in patients with SUC after radical cystectomy (RC), presenting data from our institutional database and SEER-Medicare. Methods: We retrospectively queried our institutional database to identify consecutive patients with cT2-4 SUC and conventional (non-variant) UC (CUC) who underwent RC (2003-2018). SEER-Medicare database was also searched for patients with cT2-4 SUC (2004-2015). Clinicopathologic/treatment data were captured. Overall survival (OS – diagnosis to death) was estimated with the Kaplan-Meier method. T-test, χ 2 test and log-rank test were used for group comparison analysis. Factors significant in univariate analysis for OS were included in the multivariate (MVA) Cox proportional hazards model. Results: Institutional RC database yielded 38 patients with SUC and 287 with CUC, while 190 patients with SUC were identified from SEER-Medicare [83 (44%) had RC] . Platinum-based NAC was given to 17/38 (45%), 162/287 (56%) and 26/83 (31%) patients, respectively. Institutional patients with SUC had significantly higher rates of pT3/4 disease at RC (66% vs. 35%, p 〈 .001) and lower rates of complete pathologic response (ypT0N0) following NAC (6% vs 35%, p = .02). Median OS in patients who had RC was significantly inferior in our institutional SUC vs. CUC group (20 vs. 121 months, p 〈 .001) and 21 months in the SEER-SUC cohort. No significant difference in OS was identified between NAC+RC vs. RC alone, both in the institutional (17 vs. 20 months, p = 0.66) and SEER-SUC cohort (24 vs. 20 months, p = 0.56). In MVA for the entire institutional cohort (SUC+CUC combined), SUC was independently associated with worse OS, when adjusted for advanced age, pT/N stage, performance status, NAC, lymphovascular invasion, surgical margins (HR, 95% CI: 2.3, 1.4 - 3.8, p = .001). Five patients had an abdomino-pelvic cystic recurrence, with median time to recurrence 〈 5 months. Conclusions: Patients with SUC treated with RC had high rates of extravesical extension, poor response to platinum-based NAC and worse OS compared to patients with CUC. Data from SEER showed a comparable OS to our SUC cohort. NAC was not associated with improved OS in any SUC cohort (institutional or SEER). A unique pattern of rapid abdomino-pelvic cystic recurrence, mimicking post-RC abdominal fluid collections, was also identified.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
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  • 7
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 40, No. 6_suppl ( 2022-02-20), p. 511-511
    Abstract: 511 Background: PD(L)1 inhibitors can achieve durable responses in aUC but only in a minority of patients (pts). Combination strategies with agents that “prime and stimulate” the immune system may improve outcomes. CV301 comprises 2 recombinant poxviruses, Modified Vaccinia Ankara (MVA) and Fowlpox (FPV), encoding the human transgenes for CEA, MUC-1, and a Triad of Co-stimulatory Molecules (TRICOM: ICAM-1, LFA-3, and B7-1). MVA-CV301 is used for priming and FPV-CV301 is used for booster doses. Preliminarily, BN-platform vaccine plus PD-(L)1 inhibitors exhibited synergistic preclinical anti-tumor efficacy and the combination of CV301 and anti-PD-(L)1 agent demonstrated an acceptable safety profile. We hypothesized that this combination would be safe and effective in cisplatin-ineligible or platinum-refractory pts with aUC. Methods: A Phase 2, single-arm multicenter trial was designed to study CV301 + atezo as 1st-line treatment in pts with aUC ineligible for cisplatin-based chemotherapy regardless of PD-L1 status (Cohort 1; C1) and in pts progressing on/after platinum-based chemotherapy (Cohort 2; C2). MVA-CV301 was given subcutaneously (SC) on Days 1 and 22 and FPV-CV301 SC from day 43 every 21 days for 4 doses, then every 6 weeks until 6 months, then every 12 weeks until 2 years. Atezo 1200mg IV was given every 21 days. Primary endpoint: objective response rate (ORR). Secondary endpoints: OS, PFS, response duration, AEs and antigen-specific T-cell responses to CEA and MUC-1 by ELISPOT. Using 1-sided α 2.5%/cohort, a 2-stage design with 14/19 and 13/22 stage 1/2 subjects, respectively, will achieve ≥70% power if the true ORR for C1 is 43% and C2 is 33%. 3 C1 and 2 C2 responders were required in stage 1 to move forward. Results: 43 evaluable pts were enrolled and received therapy: 19 in C1; 24 in C 2. Overall, 9 pts experienced ≥ Grade 3 AEs related to the combination of treatment: 5 in C1, and 4 in C2. In C1, 1 pt had partial response (PR), for ORR 5.3% (90%CI: 0.3, 22.6) and 5 (26.3%, 90%CI: 11.0, 47.6) had stable disease (SD) as best response. In C2, 1pt had CR and 1 had PR, for ORR 8.3% (90%CI: 1.5, 24.0) and 3 (12.5%, 90%CI: 3.5, 29.2) had SD as best response. Median PFS and OS in C1 were 2.0 mo and 13.8 mo, and in C2 1.95 and 8.13 mo, respectively. The trial was halted for futility. Responding pts in C2 exhibited T-cell responses to CEA and pts with SD exhibited responses to MUC-1. Conclusions: CV301 + atezo exhibited an acceptable safety profile but did not demonstrate sufficient efficacy in pts with aUC as 1st-line therapy in cisplatin-ineligible pts or in the platinum-refractory setting. The development of effective vaccines to generate robust and durable responses as single agents and/or combined with anti-PD(L)1 remains an unmet need in aUC. Clinical trial information: NCT03628716.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2022
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  • 8
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 15_suppl ( 2021-05-20), p. TPS5099-TPS5099
    Abstract: TPS5099 Background: Patients with biochemical recurrence (BCR) after local definitive therapy for prostate cancer (PC) represent the largest group of patients alive with PC in the United States. For patients with BCR after both radical prostatectomy and radiation, no further definitive treatment options currently exist as standard of care. FACBC PET/CT is a next-generation imaging modality approved in 2016 for suspected PC recurrence based on elevated PSA levels following prior treatment. FACBC PET/CT allows for earlier detection at lower PSA levels of oligometastatic PC in patients who would otherwise be considered as having micro-metastatic disease. FACBC PET/CT may provide potential targets for site-directed therapy; however, it is unknown whether this approach leads to improvement in clinically relevant outcomes. Methods: Flu-BLAST-PC (ClinicalTrials.gov Identifier: NCT0417543) is a prospective, interventional study enrolling men with PC and BCR who have previously undergone both radical prostatectomy and adjuvant or salvage radiation to the prostatic fossa, with PSA ≥0.5 to 〈 10 ng/mL, PSA doubling time 〉 3 to 〈 18 months, and no radiographically detectable metastases by conventional CT and bone scan imaging. Enrolled patients undergo FACBC PET/CT imaging, and those with no PC metastases detected (Group 1) undergo observation with repeat FACBC PET/CT performed at PSA thresholds of 〉 2 and 〉 5 ng/mL, with eligibility for the trial ending at PSA ≥10 ng/mL if FACBC PET/CT remains negative. Those with 1-3 PC regions (defined as radiation fields) detected on FACBC PET/CT (Group 2) undergo site-directed therapy with surgery (e.g. lymphadenectomy) and/or radiation, as well as six months of systemic treatment with androgen deprivation therapy (ADT) and abiraterone acetate with prednisone. Patients with ≥4 PC regions detected on FACBC PET/CT (Group 3) undergo six months of ADT and abiraterone acetate with prednisone without any site-directed therapy. Patients initially in Group 1 who subsequently have PC metastases detected on repeat FACBC PET/CT imaging per protocol join Group 2 or Group 3 based on the number of PC regions involved. Given the long anticipated survival of patients with PC and BCR, the primary endpoint of the study is undetectable PSA ( 〈 0.2 ng/mL) rate in Group 2 at two years beyond study treatment, with secondary endpoints including the same outcome measure for Group 3, undetectable PSA rate two years after testosterone recovery from ADT in Groups 2 and 3, time to re-initiation of ADT, overall survival, and safety and tolerability. Assuming a null hypothesis of 15% undetectable PSA rate for patients with BCR two years after completing ADT and alternative hypothesis of improvement to 40% in Group 2, planned enrollment is 65 patients in Group 2. This will provide 90% power at the two-sided significance level of 0.05. Five patients have enrolled to date. Clinical trial information: NCT0417543.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
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  • 9
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 6_suppl ( 2020-02-20), p. 465-465
    Abstract: 465 Background: SUC is a rare histology with aggressive behavior. We evaluated outcomes and recurrence patterns of patients (pts) with SUC, in comparison with conventional urothelial carcinoma (CUC). Methods: We retrospectively assessed our radical cystectomy (RC) database to identify pts with cT2-4 SUC (any %) or CUC, at RC or transurethral resection specimens. Clinicopathologic/treatment data were captured and compared with t and χ 2 tests, as appropriate. Overall survival (OS; diagnosis to death) and recurrence-free survival (RFS; RC to recurrence or death) were estimated (KM method). Significant factors in univariable (UVA) Cox regression for OS were included in multivariable analysis (MVA). Results: We identified 38 consecutive pts with cT2-4 SUC and 287 with CUC (2003-2018); 17 (45%) and 162 (56%) received neoadjuvant chemotherapy (NAC). The primary non-mesenchymal component was urothelial in all SUC cases. SUC had higher rates of pT3/4 (66% vs. 35%, p 〈 .001) but comparable rates of pN+ disease (26% vs. 20%, p = .38). Complete response (ypT0N0) after NAC was lower for SUC (6% vs. 35%, p = .02). Median follow-up was 73.6 months (95%CI 62.6 – 84.7). Median RFS and OS was inferior among pts with SUC (9.4 vs 109.8 months, p 〈 .001, 19.7 vs. 130.4 months, p 〈 .001 respectively). On MVA, SUC was independently associated with worse OS ( Table). Of 17 (45%) pts with SUC who recurred post-RC, 5 presented with abdomino-pelvic cystic masses, with an average time to recurrence 〈 5 months. Conclusions: SUC was associated with high rates of extravesical spread at RC and worse NAC response, RFS and OS, vs. CUC. Development of abdomino-pelvic fluid collections should raise suspicion of recurrence among pts with this histology. [Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
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  • 10
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 15_suppl ( 2018-05-20), p. 5030-5030
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
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