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1.
AIDS ; 2024 Oct 25.
Artigo em Inglês | MEDLINE | ID: mdl-39453872

RESUMO

BACKGROUND: Frailty occurs at higher rates and younger ages among people with HIV (PWH) compared to the general population and is often attributed to chronic inflammation and subsequent immune exhaustion. We assessed how inflammatory biomarkers are associated with frailty among PWH. METHODS: The Centers for AIDS Research Network of Integrated Clinical Systems (CNICS) cohort is comprised of adult PWH in care at 10 sites, and harmonizes demographic, clinical, and patient-reported outcomes (PRO) data. A panel of 13 inflammatory biomarkers was collected from a subset of virally suppressed PWH once per person between 2010-2018. Frailty was measured with a validated PRO phenotype, scored 0-4, from biomarker collection date through July 2022. With adjusted linear mixed models, we estimated longitudinal associations between standard deviation-scaled log2-transformed biomarkers and frailty score. RESULTS: Among 273 PWH, most were male (91%), average age at baseline was 45, 42% were non-Hispanic White while 35% were non-Hispanic Black, and average follow-up time was 5.5 years. Several biomarkers were associated with higher frailty, including those linked to microbial translocation (sCD14, LBP, KT ratio) and systemic inflammation (CRP, IL-6, suPAR, sTNFR1, sTNFR2). Higher IL-6 was associated with a 0.25-point higher frailty score (95%CI:0.12-0.39). Higher sTNFR1 (0.35 [0.13-0.56]), sCD14 (0.21 [0.11-0.31]), and suPAR (0.24 [0.11-0.36]) levels were also associated with higher frailty scores over follow-up. CONCLUSIONS: Higher levels of biomarkers linked to microbial translocation and systemic inflammation are associated with higher average frailty scores over time in a cohort of virally suppressed PWH, highlighting these pathways as potential interventional targets for mitigating frailty in PWH.

2.
AIDS Behav ; 2024 Oct 28.
Artigo em Inglês | MEDLINE | ID: mdl-39465466

RESUMO

Substance use is associated with decreased antiretroviral therapy (ART) adherence among people with HIV (PWH). Adherence plays a significant role in mediating the negative effects of substance use on HIV suppression and is a principal modifiable patient-level factor in improving HIV suppression and reducing ART drug resistance. Understanding substance use and ART adherence, particularly with rapidly changing substance use epidemiology and ART regimens, is vital to improving HIV care. Among 10,557 PWH (2010-2021) from 8 academic clinical sites nationally we examined longitudinal associations of substance use severity and number of substances used (measured using AUDIT-C and modified ASSIST) with patient-reported ART adherence (visual analog scale). Alcohol (68% any use, 18% unhealthy use [AUDIT-C > 4 men, > 3 women]), marijuana (33%), and methamphetamine (9%) use were most reported. Polysubstance use was common (32%). Both higher severity substance use and higher number of substances used were associated with lower ART adherence. Severity of methamphetamine use had the strongest dose-response association with ART adherence (low severity [ASSIST 1-3]: -3.05%, 95% CI: -4.23%, -1.87%; moderate [ASSIST 4-26]: -6.20%, 95% CI: -7.08%, -5.33%; high [ASSIST > 26]: -10.77%, 95% CI: -12.76%, -8.78%). Severe substance use, especially methamphetamine, and higher number of illicit drugs used were associated with declines in adherence at levels that were likely clinically meaningful in the modern era of ART. Findings support integrating substance use care with HIV care and potential benefits of harm reduction strategies for improving adherence such as encouraging lower levels of substance use and fewer number of substances used.

3.
Eur Urol Focus ; 2024 Sep 21.
Artigo em Inglês | MEDLINE | ID: mdl-39307587

RESUMO

BACKGROUND AND OBJECTIVE: Belzutifan, a hypoxia-inducible factor 2 alpha inhibitor, was approved initially for patients with von Hippel-Lindau disease and more recently for sporadic, metastatic clear cell renal cell carcinoma (ccRCC) based on the results of LITESPARK-005. There is a paucity of data regarding real-world experience with belzutifan in patients with sporadic, metastatic ccRCC. This study aims to describe clinical outcomes with belzutifan in patients with sporadic, metastatic ccRCC. METHODS: A retrospective study of 22 patients who received belzutifan at MD Anderson Cancer Center prior to the Food and Drug Administration approval was conducted. Progression-free survival (PFS) and objective response rate (ORR) were assessed by a blinded radiologist using Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1. PFS and overall survival (OS) were measured from belzutifan initiation. KEY FINDINGS AND LIMITATIONS: The median follow-up time was 14.9 mo. Most patients had International Metastatic RCC Database Consortium intermediate-risk disease, more than three metastatic sites, and a median of five prior lines of treatment at initiation of belzutifan; all patients received prior immune checkpoint therapy (ICT) and vascular endothelial growth factor receptor tyrosine kinase inhibitors (VEGFR-TKIs). The median PFS was 8.51 mo (95% confidence interval [CI] 0-18.4) and ORR was 36.4%. The median OS was 14.72 mo (95% CI 7.34-22.10). Of 22 patients, four (18.2%) patients required dose reductions and three (13.6%) patients discontinued belzutifan because of adverse drug events (ADEs). The most common ADEs were anemia (77.3%; 17/22) and hypoxia (36.4%; 8/22). There were no treatment-related deaths. CONCLUSIONS AND CLINICAL IMPLICATIONS: In a heavily pretreated cohort of patients with sporadic, metastatic ccRCC, belzutifan had meaningful clinical activity and was well tolerated. These real-world results add to the results of LITESPARK-005 and support the use of belzutifan after progression on ICT and VEGFR-TKIs. PATIENT SUMMARY: Belzutifan is a new medicine used to treat a type of clear cell kidney cancer that has spread to other parts of the body (metastasized). A study at MD Anderson Cancer Center followed 22 patients who were treated with belzutifan, and found that it worked to control the cancer for almost 9 mo and caused the cancer to shrink in 36% of patients. This study confirms that belzutifan can be effective and safe, even after other treatments have not worked.

4.
Endocr Relat Cancer ; 31(12)2024 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-39324992

RESUMO

Hormone therapy (HT) to treat prostate cancer is reported to cause adverse changes in body composition. Clinically, interpatient body composition changes are heterogeneous, but the biological and clinical determinants of body composition toxicity are unknown. Herein, we test the hypothesis that inherited polymorphisms in steroidogenic genes are associated with differential changes in body composition after HT. Men with biochemically recurrent prostate cancer (BCR) who received 8 months of LHRH analog (LHRHa) +/- abiraterone acetate (AAP) were eligible if they had: i) CT imaging of L3 prior to and after treatment; and ii) nucleated cells collected. Cardiometabolic co-morbidities were retrospectively extracted. Body composition was measured using an AI-based segmentation tool. Germline DNA whole exome or genome sequencing was performed. In 162 men treated with 8 months of HT, median skeletal muscle mass (SMMi) loss was 6.6% and subcutaneous adipose gain was 12.3%. Men with type 2 diabetes had higher losses of SMMi after treatment (-11.1% vs -6.3%, P = 0.003). For the 150 men with germline NGS, SRD5A2 rs523349 genotype was associated with differential loss in skeletal muscle density after HT, (-1.3% vs -7.1%, P = 0.04). In addition, the HSD3B1 rs104703 genotype was associated with decreased baseline visceral adipose tissue (63.0 cm2/m2 vs 77.9, P = 0.05). In men with BCR, HT induced notable loss of skeletal muscle and increased subcutaneous adipose tissue. An inherited polymorphism in SRD5A2 and T2DM was associated with differential skeletal muscle toxicity. These findings suggest that inherited polymorphisms may contribute to the body composition toxicity observed with HT.


Assuntos
Composição Corporal , Neoplasias da Próstata , Humanos , Masculino , Neoplasias da Próstata/genética , Neoplasias da Próstata/tratamento farmacológico , Neoplasias da Próstata/patologia , Idoso , Pessoa de Meia-Idade , Genótipo , Recidiva Local de Neoplasia/genética , Estudos Retrospectivos , 3-Oxo-5-alfa-Esteroide 4-Desidrogenase/genética , Acetato de Abiraterona/uso terapêutico , Polimorfismo de Nucleotídeo Único , Idoso de 80 Anos ou mais , Proteínas de Membrana
5.
J Assoc Nurses AIDS Care ; 35(6): 507-518, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39241219

RESUMO

ABSTRACT: Smoking is a myocardial infarction (MI) risk factor among people with HIV (PWH). Questions persist regarding the role of smoking behaviors and measurements (e.g., intensity, duration) on MI risk. We used Cox proportional hazards regression to compare the association of smoking parameterization with incidents of type 1 and type 2 MI and whether smoking intensity or duration improves MI risk prediction among PWH. Among 11,637 PWH, 37% reported currently smoking, and there were 346 MIs. Current smoking was associated with type 1 (84% increased risk) but not type 2 MI in adjusted analyses. The type 1 MI model with pack years had the best goodness of fit compared with other smoking parameterizations. Ever or never parameterization and smoking diagnosis data had significantly poorer model fit. These results highlight the importance of differentiating MI types and performing patient-based smoking assessments to improve HIV care and research rather than relying on smoking status from diagnoses.


Assuntos
Infecções por HIV , Infarto do Miocárdio , Fumar , Humanos , Infarto do Miocárdio/epidemiologia , Infecções por HIV/epidemiologia , Infecções por HIV/complicações , Masculino , Feminino , Pessoa de Meia-Idade , Fumar/epidemiologia , Estados Unidos/epidemiologia , Adulto , Fatores de Risco , Estudos de Coortes , Modelos de Riscos Proporcionais
6.
Res Sq ; 2024 Jul 26.
Artigo em Inglês | MEDLINE | ID: mdl-39108488

RESUMO

Background: Studies have reported associations between prostate cancer, type II diabetes mellitus (T2DM) and cardiovascular disease in the context of treatment with hormone therapy (HT). This study aimed to assess the role of Sodium-Glucose Cotransporter-2 Inhibitors (SGLT2i) in preventing adverse cardiovascular and renal outcomes in diabetics with prostate cancer. Methods: Patients ≥ 18 years of age with T2DM and prostate cancer who received HT between August 1, 2013, and August 31, 2021, were identified using the TriNetX research network. Patients were divided into two cohorts based on treatment with SGLT2i or alternative antidiabetic therapies. The primary outcome was the composite of all-cause mortality, new onset heart failure (HF), acute myocardial infarction (MI), and peripheral artery disease over two years from HT initiation. Results: After propensity score matching, 2,155 patients remained in each cohort. The primary composite outcome occurred in 218 patients (16.1%) in the SGLT2i cohort versus 355 patients (26.3%) in the non-SGLT2i cohort (HR 0.689, 95% CI 0.582-0.816; p < 0.001). Furthermore, SGLT2i were associated with significantly lower odds of HF, HF exacerbation, peripheral artery disease, atrial fibrillation/flutter, cardiac arrest, need for renal replacement therapy, overall emergency room visits/hospitalizations and all-cause mortality. Conclusions: Use of SGLT2i for the treatment of T2DM among patients with prostate cancer on HT is associated with favorable cardiovascular, renal and all-cause mortality outcomes. This observation supports the hypothesis that a therapeutically relevant link exists between HT and cardiovascular disease in the context of prostate cancer.

7.
bioRxiv ; 2024 Jul 02.
Artigo em Inglês | MEDLINE | ID: mdl-39005464

RESUMO

Infectious disease dynamics are driven by the complex interplay of epidemiological, ecological, and evolutionary processes. Accurately modeling these interactions is crucial for understanding pathogen spread and informing public health strategies. However, existing simulators often fail to capture the dynamic interplay between these processes, resulting in oversimplified models that do not fully reflect real-world complexities in which the pathogen's genetic evolution dynamically influences disease transmission. We introduce the epidemiological-ecological-evolutionary simulator (e3SIM), an open-source framework that concurrently models the transmission dynamics and molecular evolution of pathogens within a host population while integrating environmental factors. Using an agent-based, discrete-generation, forward-in-time approach, e3SIM incorporates compartmental models, host-population contact networks, and quantitative-trait models for pathogens. This integration allows for realistic simulations of disease spread and pathogen evolution. Key features include a modular and scalable design, flexibility in modeling various epidemiological and population-genetic complexities, incorporation of time-varying environmental factors, and a user-friendly graphical interface. We demonstrate e3SIM's capabilities through simulations of realistic outbreak scenarios with SARS-CoV-2 and Mycobacterium tuberculosis, illustrating its flexibility for studying the genomic epidemiology of diverse pathogen types.

8.
Artigo em Inglês | MEDLINE | ID: mdl-39019979

RESUMO

BACKGROUND: Androgen signaling is central to prostate cancer and men's health. Prior data indicates that increasing body fat is unfavorable in the localized setting yet associated with favorable outcomes in men with metastatic disease. Understanding the biological links between adiposity and prostate cancer may optimize the therapeutic index with ASI. We hypothesized that host adiposity and androgen synthesis are linked to the efficacy and toxicity of ASI for men with metastatic castration-resistant prostate cancer (mCRPC). METHODS: A post-hoc analysis was done of NCT02703623 where men with mCRPC (n = 186) were treated for 8 weeks with abiraterone acetate, prednisone, and apalutamide (AAPA), and a satisfactory response was defined as a PSA decline >50%. Body composition was measured on baseline CT scans. Germline DNA WES was performed with a focus on variants in steroidogenic genes. Adipokine levels were measured in pre-treatment plasma. RESULTS: Germline polymorphisms in 3 genes involved in androgen synthesis (AKR1C3 rs12529, CYP17A1 rs6162, SRD5A2 rs523349) were associated with differences in body composition at baseline on ADT alone (prior to receipt of AAPA). Elevated subcutaneous adipose tissue index (SATi, p = 0.02), visceral adipose tissue index (VATi, p = 0.03), and BMI (p = 0.04) were associated with satisfactory response to AAPA. Leptin had positive correlation with VATi (r = 0.47) and SATi (r = 0.48). CONCLUSION: Inherited polymorphisms in androgen synthesis correlated with differences in body composition after exposure to ADT and warrant further investigation as candidate markers for body composition toxicity. Elevated subcutaneous and visceral adiposity were associated with improved response to ASI.

9.
Eur Urol Oncol ; 2024 Jul 15.
Artigo em Inglês | MEDLINE | ID: mdl-39013742

RESUMO

BACKGROUND AND OBJECTIVE: SMARCB1-deficient renal medullary carcinoma (RMC) is a rare kidney cancer associated with sickle cell hemoglobinopathies with poor outcomes described only in case reports and small series. We report disease and management characteristics as well as contemporary survival outcomes in a large cohort of patients with RMC. METHODS: Data were extracted retrospectively from all patients with RMC treated at MD Anderson Cancer Center between January 2003 and December 2023. Multivariable Cox regression was used to estimate overall survival (OS) by diagnosis period. KEY FINDINGS AND LIMITATIONS: Among 135 patients (median follow-up of 54.9 mo), only nine did not harbor a sickle hemoglobinopathy and were categorized as having renal cell carcinoma, unclassified with medullary phenotype (RCCU-MP). Most patients (78%) presented with metastatic disease, predominantly to the retroperitoneal lymph nodes (81.7%), and hematuria was the most frequent presenting symptom (60%) in RMC associated with sickle hemoglobinopathy. Survival outcomes improved by diagnosis year (adjusted hazard ratio 0.70, 95% confidence interval 0.53-0.92, p = 0.01). RCCU-MP occurred in slightly older patients with median OS of 19.5 mo from diagnosis, did not show a predilection to the right kidney or male predominance, and afflicted mainly Caucasians (89%). The study is limited by its retrospective nature conducted at one center. CONCLUSIONS AND CLINICAL IMPLICATIONS: RMC frequently presents with hematuria and is highly likely to spread to the retroperitoneal lymph nodes. Survival outcomes are improving with contemporary management. RCCU-MP is very rare and may be slightly less aggressive. PATIENT SUMMARY: Renal medullary carcinoma (RMC) is a rare and aggressive subtype of kidney cancer afflicting primarily young men and women of African descent. There exist limited data regarding patient demographics and disease characteristics. We reported our institution's experience in treating patients with RMC. The first symptom most patients with RMC reported was blood in the urine, and the most common places where the cancer spread were the lymph nodes around the kidney. Patients with RMC are living longer with contemporary treatments.

10.
BJU Int ; 134(3): 449-458, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-38837608

RESUMO

OBJECTIVES: To determine whether 6 months of preoperative apalutamide for intermediate-risk prostate cancer (IRPCa) reduces the aggregate postoperative radiotherapy risk and to evaluate associations of molecular perturbations with clinical outcomes in this study cohort. PATIENTS AND METHODS: Between May 2018 and February 2020, eligible patients with IRPCa (Gleason 3 + 4 or 4 + 3 and clinical T2b-c or prostate-specific antigen level of 10-20 ng/mL) were treated with apalutamide 240 mg/day for 6 months followed by radical prostatectomy (RP) in this single-arm, phase II trial. The primary endpoint was presence of any adverse pathological feature at risk of pelvic radiation (pathological T stage after neoadjuvant therapy [yp]T3 or ypN1 or positive surgical margins). Translational studies, including germline and somatic DNA alterations and RNA and protein expression, were performed on post-apalutamide RP specimens, and assessed for associations with clinical outcomes. RESULTS: A total of 40 patients underwent a RP, and only one patient discontinued apalutamide prior to 6 months. In all, 40% had adverse pathological features at time of RP, and the 3-year biochemical recurrence (BCR) rate was 15%, with 27.5% being not evaluable. Genomic alterations frequently seen in metastatic PCas, such as androgen receptor (AR), tumour protein p53 (TP53), phosphatase and tensin homologue (PTEN), or BReast CAncer associated gene (BRCA1/2) were underrepresented in this localised cohort. Adverse pathological features and BCR at 3-years were associated with increased expression of select cell cycle (e.g., E2F targets: adjusted P value [Padj] < 0.001, normalised enrichment score [NES] 2.47) and oxidative phosphorylation (Padj < 0.001, NES 1.62) pathways. CONCLUSIONS: Preoperative apalutamide did not reduce the aggregate postoperative radiation risk to the pre-specified threshold in unselected men with IRPCa. However, transcriptomic analysis identified key dysregulated pathways in tumours associated with adverse pathological outcomes and BCR, which warrant future study. Further investigation of preoperative therapy is underway for men with high-risk PCa.


Assuntos
Prostatectomia , Neoplasias da Próstata , Tioidantoínas , Humanos , Masculino , Tioidantoínas/uso terapêutico , Neoplasias da Próstata/patologia , Neoplasias da Próstata/tratamento farmacológico , Pessoa de Meia-Idade , Idoso
12.
Can J Urol ; 31(2): 11820-11825, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38642459

RESUMO

INTRODUCTION: Risk of cardiovascular disease is higher among men with prostate cancer than men without, and prostate cancer treatments (especially those that are hormonally based) are associated with increased cardiovascular risk. MATERIALS AND METHODS: An 11-member panel of urologic, medical, and radiation oncologists (along with a men's health specialist and an endocrinologist/preventive cardiologist) met to discuss current practices and challenges in the management of cardiovascular risk in prostate cancer patients who are taking androgen deprivation therapies (ADT) including LHRH analogues, alone and in combination with androgen-targeted therapies (ATTs). RESULTS: The panel developed an assessment algorithm to categorize patients by risk and deploy a risk-adapted management strategy, in collaboration with other healthcare providers (the patient's healthcare "village"), with the goal of preventing as well as reducing cardiovascular events. The panel also developed a patient questionnaire for cardiovascular risk as well as a checklist to ensure that all aspects of cardiovascular disease risk reduction are completed and monitored. CONCLUSIONS: Prostate cancer patients receiving ADT with or without ATT need to be more zealously assessed for prevention and aggressively managed to reduce cardiovascular events. This can and should include participation from the entire multidisciplinary healthcare team.


Assuntos
Doenças Cardiovasculares , Neoplasias da Próstata , Masculino , Humanos , Neoplasias da Próstata/tratamento farmacológico , Antagonistas de Androgênios/efeitos adversos , Androgênios , Doenças Cardiovasculares/etiologia , Doenças Cardiovasculares/prevenção & controle
13.
Biomed Phys Eng Express ; 10(3)2024 04 18.
Artigo em Inglês | MEDLINE | ID: mdl-38599190

RESUMO

Background. Thoracoabdominal MRI is limited by respiratory motion, especially in populations who cannot perform breath-holds. One approach for reducing motion blurring in radially-acquired MRI is respiratory gating. Straightforward 'hard-gating' uses only data from a specified respiratory window and suffers from reduced SNR. Proposed 'soft-gating' reconstructions may improve scan efficiency but reduce motion correction by incorporating data with nonzero weight acquired outside the specified window. However, previous studies report conflicting benefits, and importantly the choice of soft-gated weighting algorithm and effect on image quality has not previously been explored. The purpose of this study is to map how variable soft-gated weighting functions and parameters affect signal and motion blurring in respiratory-gated reconstructions of radial lung MRI, using neonates as a model population.Methods. Ten neonatal inpatients with respiratory abnormalities were imaged using a 1.5 T neonatal-sized scanner and 3D radial ultrashort echo-time (UTE) sequence. Images were reconstructed using ungated, hard-gated, and several soft-gating weighting algorithms (exponential, sigmoid, inverse, and linear weighting decay outside the period of interest), with %Nprojrepresenting the relative amount of data included. The apparent SNR (aSNR) and motion blurring (measured by the maximum derivative of image intensity at the diaphragm, MDD) were compared between reconstructions.Results. Soft-gating functions produced higher aSNR and lower MDD than hard-gated images using equivalent %Nproj, as expected. aSNR was not identical between different gating schemes for given %Nproj. While aSNR was approximately linear with %Nprojfor each algorithm, MDD performance diverged between functions as %Nprojdecreased. Algorithm performance was relatively consistent between subjects, except in images with high noise.Conclusion. The algorithm selection for soft-gating has a notable effect on image quality of respiratory-gated MRI; the timing of included data across the respiratory phase, and not simply the amount of data, plays an important role in aSNR. The specific soft-gating function and parameters should be considered for a given imaging application's requirements of signal and sharpness.


Assuntos
Imageamento Tridimensional , Pulmão , Recém-Nascido , Humanos , Imageamento Tridimensional/métodos , Respiração , Imageamento por Ressonância Magnética/métodos , Algoritmos
14.
Clin Cancer Res ; 30(13): 2751-2763, 2024 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-38683200

RESUMO

PURPOSE: To determine the efficacy and safety of risk-adapted combinations of androgen signaling inhibitors and inform disease classifiers for metastatic castration-resistant prostate cancers. PATIENTS AND METHODS: In a modular, randomized phase II trial, 192 men were treated with 8 weeks of abiraterone acetate, prednisone, and apalutamide (AAPA; module 1) and then allocated to modules 2 or 3 based on satisfactory (≥50% PSA decline from baseline and <5 circulating tumor cell/7.5 mL) versus unsatisfactory status. Men in the former were randomly assigned to continue AAPA alone (module 2A) or with ipilimumab (module 2B). Men in the latter group had carboplatin + cabazitaxel added to AAPA (module 3). Optional baseline biopsies were subjected to correlative studies. RESULTS: Median overall survival (from allocation) was 46.4 [95% confidence interval (CI), 39.2-68.2], 41.4 (95% CI, 33.3-49.9), and 18.7 (95% CI, 14.3-26.3) months in modules 2A (n = 64), 2B (n = 64), and 3 (n = 59), respectively. Toxicities were within expectations. Of 192 eligible patients, 154 (80.2%) underwent pretreatment metastatic biopsies. The aggressive-variant prostate cancer molecular profile (defects in ≥2 of p53, RB1, and PTEN) was associated with unsatisfactory status. Exploratory analyses suggested that secreted phosphoprotein 1-positive and insulin-like growth factor-binding protein 2-positive macrophages, druggable myeloid cell markers, and germline pathogenic mutations were enriched in the unsatisfactory group. CONCLUSIONS: Adding ipilimumab to AAPA did not improve outcomes in men with androgen-responsive metastatic castration-resistant prostate cancer. Despite the addition of carboplatin + cabazitaxel, men in the unsatisfactory group had shortened survivals. Adaptive designs can enrich for biologically and clinically relevant disease subgroups to contribute to the development of marker-informed, risk-adapted therapy strategies in men with prostate cancer.


Assuntos
Acetato de Abiraterona , Protocolos de Quimioterapia Combinada Antineoplásica , Prednisona , Neoplasias de Próstata Resistentes à Castração , Humanos , Masculino , Neoplasias de Próstata Resistentes à Castração/tratamento farmacológico , Neoplasias de Próstata Resistentes à Castração/patologia , Neoplasias de Próstata Resistentes à Castração/mortalidade , Neoplasias de Próstata Resistentes à Castração/genética , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Pessoa de Meia-Idade , Prednisona/administração & dosagem , Prednisona/uso terapêutico , Acetato de Abiraterona/uso terapêutico , Acetato de Abiraterona/administração & dosagem , Tioidantoínas/administração & dosagem , Tioidantoínas/uso terapêutico , Tioidantoínas/efeitos adversos , Idoso de 80 Anos ou mais , Antagonistas de Androgênios/uso terapêutico , Carboplatina/administração & dosagem , Carboplatina/uso terapêutico , Ipilimumab/administração & dosagem , Ipilimumab/uso terapêutico , Taxoides
15.
JAMA Netw Open ; 7(3): e243379, 2024 Mar 04.
Artigo em Inglês | MEDLINE | ID: mdl-38546648

RESUMO

Importance: Subgroup analyses are often performed in oncology to investigate differential treatment effects and may even constitute the basis for regulatory approvals. Current understanding of the features, results, and quality of subgroup analyses is limited. Objective: To evaluate forest plot interpretability and credibility of differential treatment effect claims among oncology trials. Design, Setting, and Participants: This cross-sectional study included randomized phase 3 clinical oncology trials published prior to 2021. Trials were screened from ClinicalTrials.gov. Main Outcomes and Measures: Missing visual elements in forest plots were defined as a missing point estimate or use of a linear x-axis scale for hazard and odds ratios. Multiplicity of testing control was recorded. Differential treatment effect claims were rated using the Instrument for Assessing the Credibility of Effect Modification Analyses. Linear and logistic regressions evaluated associations with outcomes. Results: Among 785 trials, 379 studies (48%) enrolling 331 653 patients reported a subgroup analysis. The forest plots of 43% of trials (156 of 363) were missing visual elements impeding interpretability. While 4148 subgroup effects were evaluated, only 1 trial (0.3%) controlled for multiple testing. On average, trials that did not meet the primary end point conducted 2 more subgroup effect tests compared with trials meeting the primary end point (95% CI, 0.59-3.43 tests; P = .006). A total of 101 differential treatment effects were claimed across 15% of trials (55 of 379). Interaction testing was missing in 53% of trials (29 of 55) claiming differential treatment effects. Trials not meeting the primary end point were associated with greater odds of no interaction testing (odds ratio, 4.47; 95% CI, 1.42-15.55, P = .01). The credibility of differential treatment effect claims was rated as low or very low in 93% of cases (94 of 101). Conclusions and Relevance: In this cross-sectional study of phase 3 oncology trials, nearly half of trials presented a subgroup analysis in their primary publication. However, forest plots of these subgroup analyses largely lacked essential features for interpretation, and most differential treatment effect claims were not supported. Oncology subgroup analyses should be interpreted with caution, and improvements to the quality of subgroup analyses are needed.


Assuntos
Oncologia , Neoplasias , Humanos , Estudos Transversais , Neoplasias/terapia , Razão de Chances , Ensaios Clínicos Controlados Aleatórios como Assunto , Ensaios Clínicos Fase III como Assunto
17.
Oncologist ; 29(7): 589-595, 2024 Jul 05.
Artigo em Inglês | MEDLINE | ID: mdl-38478923

RESUMO

BACKGROUND: Tivozanib has been approved as a third-line or later therapy for advanced renal cell carcinoma based on the TIVO-3 trial, which was conducted before immune checkpoint therapies (ICT), cabozantinib, and lenvatinib/everolimus became incorporated in the current sequential treatment paradigm for advanced clear cell RCC (ccRCC). METHODS: We performed a retrospective study of patients with advanced ccRCC treated with tivozanib at MD Anderson Cancer Center during 6/2021-7/2023. A blinded radiologist assessed tumor response by RECIST v1.1. We assessed overall response rate (ORR), clinical benefit rate (CBR) [percentage of all treated patients who achieved radiologic response or stable disease (SD) for ≥ 6 months], progression-free survival (PFS), overall survival (OS), and safety. RESULTS: Of 30 analyzed patients, 23% had performance status ≥ 2; 47% had International Metastatic RCC Database Consortium (IMDC) poor-risk disease. Median number of prior therapies was 4 (range 1-8). All patients received prior ICT, 87% cabozantinib and 60% lenvatinib ± everolimus. Of 26 evaluable patients, 2 patients had confirmed partial response (ORR 7.7%); 5 patients had SD for ≥ 6 months (CBR 23.3%). Median PFS was 3.8 months (range 0.7-13.9); median OS was 14.1 months (range 0.3-28.5). Fifteen patients (50%) had ≥ 1 treatment-related adverse event (TRAE). There were 6 grade ≥ 3 TRAEs [hypertension, congestive heart failure (3), mucositis, and GI perforation (grade 5)]. CONCLUSIONS: In this cohort of heavily pretreated patients with advanced ccRCC, tivozanib yielded a modest clinical benefit in a minority of patients who received prior ICT, cabozantinib, and lenvatinib ± everolimus. TRAEs were consistent with previously published reports.


Assuntos
Carcinoma de Células Renais , Neoplasias Renais , Compostos de Fenilureia , Quinolinas , Humanos , Carcinoma de Células Renais/tratamento farmacológico , Feminino , Masculino , Idoso , Neoplasias Renais/tratamento farmacológico , Neoplasias Renais/patologia , Quinolinas/uso terapêutico , Quinolinas/efeitos adversos , Pessoa de Meia-Idade , Estudos Retrospectivos , Compostos de Fenilureia/uso terapêutico , Compostos de Fenilureia/efeitos adversos , Adulto , Idoso de 80 Anos ou mais
18.
AIDS ; 38(8): 1206-1215, 2024 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-38349228

RESUMO

BACKGROUND: Few studies have examined which subgroups of people with HIV (PWH) carry the greatest burden of internalized HIV stigma (IHS), which may be important to care provision and interventions. METHODS: PWH in the CFAR Network of Integrated Clinical Systems (CNICS) longitudinal, US-based, multisite, clinical care cohort completed tablet-based assessments during clinic visits including a four-item, Likert scale (low 1-5 high), IHS instrument. Associations between sociodemographic characteristics and IHS scores were assessed in adjusted linear regression models. RESULTS: Twelve thousand six hundred and fifty-six PWH completed the IHS assessment at least once from February 2016 to November 2022, providing 28 559 IHS assessments. At baseline IHS assessment, the mean age was 49 years, 41% reported White, 38% Black/African American, and 16% Latine race/ethnicity, and 80% were cisgender men. The mean IHS score was 2.04, with all subgroups represented among those endorsing IHS. In regression analyses, younger PWH and those in care fewer years had higher IHS scores. In addition, cisgender women vs. cisgender men, PWH residing in the West vs. the Southeast, and those with sexual identities other than gay/lesbian had higher IHS scores. Compared with White-identifying PWH, those who identified with Black/African American or Latine race/ethnicity had lower IHS scores. Age stratification revealed patterns related to age category, including specific age-related differences by gender, geographic region and race/ethnicity. DISCUSSION: IHS is prevalent among PWH, with differential burden by subgroups of PWH. These findings highlight the benefits of routine screening for IHS and suggest the need for targeting/tailoring interventions to reduce IHS among PWH.


Assuntos
Infecções por HIV , Estigma Social , Humanos , Masculino , Feminino , Infecções por HIV/psicologia , Pessoa de Meia-Idade , Estados Unidos/epidemiologia , Adulto , Estudos Longitudinais , Adulto Jovem , Idoso , Adolescente
19.
Urol Oncol ; 42(4): 116.e1-116.e7, 2024 04.
Artigo em Inglês | MEDLINE | ID: mdl-38262868

RESUMO

OBJECTIVES: To evaluate the association of preoperative body mass index (BMI) on adverse pathology in peripheral (PZ) and transition zone (TZ) tumors at time of prostatectomy for localized prostate cancer. METHODS: Clinical and pathologic characteristics were obtained from up to 100 consecutive prostatectomy patients from 10 prostate surgeons. BMI groups included normal (18.5-24.9), overweight (25-29.9) and obese (> 29.9). "Aggressive" pathology was defined as the presence of Grade Group (GG) 3 or higher and/or pT3a or higher. Pathologic characteristics were evaluated for association with BMI using univariate analyses. Our primary outcome was the association of BMI with adverse pathology, which was assessed using logistic regression accounting for patient age. We hypothesized that obese BMI would be associated with aggressive TZ tumor. RESULTS: Among 923 patients, 140 (15%) were classified as "normal" BMI, 413 (45%) were "overweight", and 370 (40%) were "obese." 474 patients (51%) had aggressive PZ tumors while 102 (11%) had aggressive TZ tumors. "Obese" BMI was not associated with aggressive TZ tumor compared to normal weight. Increasing BMI group was associated with overall increased risk of aggressive PZ tumor (HR 1.56 [95CI 1.04-2.34]; P = 0.03). Among patients with GG1 or GG2, increasing BMI was associated with presence of pT3a or higher TZ tumor (P = 0.03). CONCLUSIONS: Increased BMI is associated with adverse pathology in PZ tumors. TZ adverse pathology risk may be increased among obese men with GG1 or GG2 disease, which has implications for future studies assessing behavioral change among men whose tumors are actively monitored.


Assuntos
Próstata , Neoplasias da Próstata , Masculino , Humanos , Próstata/patologia , Índice de Massa Corporal , Estudos Retrospectivos , Neoplasias da Próstata/complicações , Neoplasias da Próstata/cirurgia , Neoplasias da Próstata/patologia , Prostatectomia , Obesidade/complicações , Sobrepeso
20.
Clin Cancer Res ; 30(6): 1111-1120, 2024 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-38226958

RESUMO

PURPOSE: Increased glucocorticoid receptor (GR) signaling is a proposed compensatory mechanism of resistance to androgen receptor (AR) inhibition in metastatic castration-resistant prostate cancer (mCRPC). ORIC-101 is a potent and selective orally-bioavailable GR antagonist. PATIENTS AND METHODS: Safety, pharmacokinetic/pharmacodynamic, and antitumor activity of ORIC-101 in combination with enzalutamide were studied in patients with mCRPC progressing on enzalutamide. ORIC-101 doses ranging from 80 to 240 mg once daily were tested in combination with enzalutamide 160 mg once daily. Pharmacokinetics/pharmacodynamics was assessed after a single dose and at steady state. Disease control rate (DCR) at 12 weeks was evaluated at the recommended phase 2 dose (RP2D). RESULTS: A total of 41 patients were enrolled. There were no dose-limiting toxicities and the RP2D was selected as 240 mg of ORIC-101 and 160 mg of enzalutamide daily. At the RP2D, the most common treatment-related adverse events were fatigue (38.7%), nausea (29.0%), decreased appetite (19.4%), and constipation (12.9%). Pharmacokinetic/pharmacodynamic data confirmed ORIC-101 achieved exposures necessary for GR target engagement. Overall, for 31 patients treated at the RP2D, there was insufficient clinical benefit based on DCR (25.8%; 80% confidence interval: 15.65-38.52) which did not meet the prespecified target rate, leading to termination of the study. Exploratory subgroup analyses based on baseline GR expression, presence of AR resistance variants, and molecular features of aggressive variant prostate cancer suggested possible benefit in patients with high GR expression and no other resistance markers, although this would require confirmation. CONCLUSIONS: Although the combination of ORIC-101 and enzalutamide demonstrated an acceptable tolerability profile, GR target inhibition with ORIC-101 did not produce clinical benefit in men with metastatic prostate cancer resistant to enzalutamide.


Assuntos
Neoplasias de Próstata Resistentes à Castração , Masculino , Humanos , Neoplasias de Próstata Resistentes à Castração/patologia , Receptores de Glucocorticoides , Feniltioidantoína , Benzamidas/uso terapêutico , Nitrilas/uso terapêutico , Antineoplásicos Hormonais/uso terapêutico
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