Publications by authors named "Alejandro Recio-Boiles"

Background: Studies on the genomic characteristics of urothelial carcinoma (UC) patients from diverse backgrounds are scarce. Herein, we sought to characterize genomic landscapes of advanced UC in a regional representative cohort to examine the possibility that patients from different backgrounds may have socioeconomic-influenced molecular changes.

Methods: We retrospectively evaluated clinical and genomic findings of UC patients presenting to the University of Arizona Cancer Center (Tucson, AZ) from 2016 to 2023.

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Immune checkpoint inhibitors (ICIs) have become the new standard of care for many malignancies due to their higher efficacy and safer toxicity profile. However, immune-related adverse events (irAEs) can occur unpredictably and in a wide range of organs. Most irAEs present with mild to moderate toxicities.

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Genomic instability and accumulation of DNA damage are hallmarks of tumor development and progression. To ensure the maintenance of genomic integrity, cells rely on a coordinated DNA damage response network that regulates cell-cycle progression, including activation of WEE1-dependent cell cycle checkpoints. If DNA damage occurs during replication, the WEE1 checkpoint is activated, thereby preventing the progression of the cell cycle.

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Introduction: Prostate cancer (PCa) is a major cause of cancer mortality among American men, with significant racial and ethnic disparities. Hispanic Americans (HAs) are underrepresented in PCa genomic studies despite comprising a large portion of cancer diagnoses. By comparing the frequency of common PCa mutations between HA and non-Hispanics (NHs), we aim to continue understanding the drivers of disparities in this underrepresented population.

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Immune checkpoint inhibitors (ICI) have changed the treatment paradigm for many cancers but have not shown benefit in prostate cancer. Chronic inflammation contributes to the immunosuppressive prostate tumor microenvironment and is associated with poor response to ICIs. The primary source of inflammatory cytokine production is the inflammasome.

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Immunotherapy has changed the treatment paradigm for many types of cancer, but immune checkpoint inhibitors (ICIs) have not shown benefit in prostate cancer (PCa). Chronic inflammation contributes to the immunosuppressive prostate tumor microenvironment (TME) and is associated with poor response to ICIs. The primary source of inflammatory cytokine production is the inflammasome.

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Article Synopsis
  • A narrative review was conducted to assess how race and socioeconomic status impact penile cancer rates, revealing higher incidence in underdeveloped regions.
  • HPV-related tumors are more common globally in areas with high rates of HPV and HIV, with socioeconomic factors worsening these disparities.
  • In the U.S., racial disparities were evident, particularly for black men, highlighting the need for targeted education and interventions like HPV vaccination to reduce penile cancer burdens in at-risk populations.
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Purpose: Pembrolizumab is standard therapy for patients with metastatic urothelial cancer (mUC) who progress after first-line platinum-based chemotherapy; however, only approximately 21% of patients respond. Sacituzumab govitecan (SG) is a trophoblast cell surface antigen-2-directed antibody-drug conjugate with US Food and Drug Administration-accelerated approval to treat patients with locally advanced or mUC who previously received platinum-based chemotherapy and a checkpoint inhibitor (CPI). Here, we report the primary analysis of TROPHY-U-01 cohort 3.

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Introduction: Deciding on the optimal second-line (2L) treatment for metastatic clear-cell renal cell carcinoma (ccRCC) remains challenging due to the limited information comparing each of the available options and the influence of the newly expanding first-line (1L) agents.

Patients And Methods: We identified phase II/III randomized controlled trials (RCTs) evaluating 2L treatments in metastatic ccRCC. This Network Meta-analysis (NMA) evaluates the overall survival (OS), progression-free survival (PFS), objective response rate (ORR), and severe adverse events (SAE).

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Urothelial carcinoma (UC) is the most common form of bladder cancer (BC) and is the variant with the most immunogenic response. This makes urothelial carcinoma an ideal candidate for immunotherapy with immune checkpoint inhibitors. Key immune checkpoint proteins PD-1 and CTLA-4 are frequently expressed on T-cells in urothelial carcinoma.

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Introduction: Among Hispanic-American (HA) men, prostatic cancer (PCa) accounts for nearly one-quarter of the total cancer burden. We sought to identify differences in PCa presentation and treatment status for HA subgroups based on country/region of origin.

Material And Methods: Using the National Cancer Database, we identified patients with histologically confirmed prostate adenocarcinoma with reported race/ethnicity, clinical staging, Gleason score ≥ 6, and PSA level at diagnosis from 2010 to 2016.

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Background: Despite the use of new immunotherapies, hepatocellular carcinoma (HCC) has a poor survival rate. Through multiple molecular mechanisms, aspirin (ASA) has demonstrated a reduced incidence of HCC, however, the impact of long-term ASA use on in-hospital outcomes has not been studied.

Methods: We queried the National Inpatient Sample (NIS) database from 2016 to 2020 to identify patients with HCC.

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Objective: To evaluate trends and racial variations of pathologic complete response (CR) in patients with muscle-invasive bladder cancer undergoing cystectomy.

Materials And Methods: The National Cancer Database was queried for patients with non-metastatic muscle-invasive bladder cancer who underwent neoadjuvant chemotherapy and surgery. The primary endpoints, CR and mortality, were evaluated using the Cochran-Armitage test, multivariable regression, and Kaplan-Meier analyses.

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Background: There are few conflicting results regarding the treatment and outcomes of Hispanic patients with pancreatic cancer. This study comprehensively evaluated the differences in baseline characteristics, treatments, genomic testing, and outcomes among Hispanic (H) and Non-Hispanic (NH) patients with early-stage (ES) and late-stage (LS) pancreatic cancer (PC).

Methods: This is a retrospective analysis from 2013 to 2020 of 294 patients with pancreatic ductal adenocarcinoma; data collected included patient demographics, clinical characteristics, treatment regimens, response, germline and somatic genetic testing, and survival outcomes.

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Introduction: Pancreatic ductal adenocarcinoma (PDAC) is a lethal malignancy projected to be the 2 leading cause of cancer related death in the USA by 2030. This manuscript discusses current and evolving treatment approaches in patients with pancreatic cancer.

Areas Covered: PDAC is classified as: a) resectable, b) borderline resectable, c) unresectable (locally advanced and metastatic).

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Article Synopsis
  • The study aims to evaluate and compare the outcomes and costs associated with outpatient (OP) versus inpatient (IP) ifosfamide therapy for cancer treatment.
  • A review of 86 patient charts showed that OP therapy had fewer severe side effects and led to a significant reduction in hospital stays and costs, amounting to $2,103,921 in savings.
  • The findings suggest that OP administration of ifosfamide is safe, well-tolerated, and can effectively transition chemotherapy treatments, especially useful during challenging times like the COVID pandemic.
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Background: There are no series evaluating penile squamous cell carcinoma (pSCC) based on human papillomavirus (HPV) infection. Herein, we present national registry data on clinical and survival outcomes for pSCC based on HPV status.

Methods: We performed a retrospective review of 1224 pSCC patients with known HPV staining from the National Cancer Database.

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Background: Only 15-20% of pancreatic ductal adenocarcinoma (PDAC) patients are upfront surgical candidates at presentation, and for this cohort of patients, the 5-year survival is a mere 20% despite adjuvant therapy. Previous data indicate that in clinical practice most of these cases are "borderline-resectable," and there is currently no mature data on perioperative treatment.

Methods: We performed a retrospective electronic chart review of patients with "borderline-resectable"PDAC treated at an academic comprehensive cancer center, dividing them into groups based on surgery alone, surgery plus neoadjuvant, adjuvant, or neoadjuvant plus adjuvant perioperative treatment groups.

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Background: Gastrointestinal cancer (GICA) is associated with a higher incidence of venous thromboembolism (VTE) compared to other solid tumors, moreover, recurrent VTE and major bleeding (MB) complications during anticoagulation treatment have an associated increase rate. GICA-VTE remains a challenging clinical scenario with MB concerns for utilization of direct oral anticoagulants (DOAC), especially with active cancer therapies.

Aim: To evaluate patient risk factors, effectiveness (VTE) and safety (MB) of DOACs and low molecular weight heparin (LMWH) in patients with active GICA-VTE.

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Background: Post-surgical pathology (SP) staging correlates with long-term survival. Neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) have been shown to predict prognosis and extent of tumor in patients with metastatic pancreatic ductal adenocarcinoma (PDAC). This study aimed to correlate NLR and PLR to radiological clinical staging (CS), carbohydrate antigen (CA) 19-9 tumor marker and SP staging in patients with resectable-PDAC (R-PDAC); and to investigate NLR and PLR as potential markers to guide neoadjuvant therapy.

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: Early phase clinical trials are the first clinical research step to bringing new cancer therapeutics to patients. At this stage, a new drug's safety, dosing, and scheduling profiles are established as the main endpoints. However, excellent responses due to biomarker-guided and immune checkpoint trials in early phase have resulted in direct approvals of new anti-cancer drugs.

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