43 results match your criteria: "University of California Los Angeles Jonsson Comprehensive Cancer Center.[Affiliation]"

New study, same message: association between uninsurance and late-stage cancer diagnosis-time for action.

J Natl Cancer Inst

November 2024

University of California Los Angeles Jonsson Comprehensive Cancer Center and Department of Radiation Oncology, School of Medicine, Los Angeles, CA 90025, United States.

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Inauspicious Beginnings: Cancer and Financial Hardship among Children, Adolescents, and Young Adults in the United States.

Cancer Epidemiol Biomarkers Prev

December 2024

Surveillance and Health Equity Science Department, American Cancer Society, Atlanta, Georgia.

With the release of the American Association of Cancer Research Cancer Progress Report 2024, we address two aspects of cancer and its treatment in younger age groups addressed in the progress report: first, the chronicity of financial hardship and second, inequities that burden the totality of society and hinder progress of scientific advances in cancer control and treatment. Financial hardship for younger age groups diagnosed with cancer causes lasting financial damage to both the patients and their families. Advancements in new technologies and treatments that improve survival may not be as effective if they are unaffordable or will cause lasting financial distress.

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Adenocarcinomas from multiple tissues can converge to treatment-resistant small cell neuroendocrine (SCN) cancers composed of ASCL1, POU2F3, NEUROD1, and YAP1 subtypes. We investigated how mitochondrial metabolism influences SCN cancer (SCNC) progression. Extensive bioinformatics analyses encompassing thousands of patient tumors and human cancer cell lines uncovered enhanced expression of proliferator-activatedreceptor gamma coactivator 1-alpha (PGC-1α), a potent regulator of mitochondrial oxidative phosphorylation (OXPHOS), across several SCNCs.

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Simplified methods for variance estimation in microbiome abundance count data analysis.

Front Genet

October 2024

Institute for Informatics Data Science and Biostatistics, Washington University in St. Louis, St. Louis, MO, United States.

The complex nature of microbiome data has made the differential abundance analysis challenging. Microbiome abundance counts are often skewed to the right and heteroscedastic (also known as overdispersion), potentially leading to incorrect inferences if not properly addressed. In this paper, we propose a simple yet effective framework to tackle the challenges by integrating Poisson (log-linear) regression with standard error estimation through the Bootstrap method and Sandwich robust estimation.

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Purpose: 4-1BB (CD137) is a costimulatory immune receptor expressed on activated T cells, activated B cells, NK cells, and tumor-infiltrating lymphocytes, making it a promising target for cancer immunotherapy. Cinrebafusp alfa, a monoclonal antibody-like bispecific protein targeting HER2 and 4-1BB, aims to localize 4-1BB activation to HER2-positive tumors. This study evaluated the safety, tolerability, and preliminary efficacy of cinrebafusp alfa in patients with previously treated HER2-positive malignancies.

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Purpose: The phase 3 Veterans Affairs Lung Cancer Surgery Or Stereotactic Radiotherapy study implemented centralized quality assurance (QA) to mitigate risks of protocol deviations. This report summarizes the quality and compliance of the first 100 participants treated with stereotactic body radiation therapy (SBRT) in this study.

Methods And Materials: A centralized QA program was developed to credential and monitor study sites to ensure standard-of-care lung SBRT treatments are delivered to participants.

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The utility of value frameworks in cost communications: making them real for patients.

J Natl Cancer Inst

September 2024

University of Colorado Comprehensive Cancer Center and Department of Health Systems, Management & Policy, Colorado School of Public Health, Aurora, CO, USA.

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Purpose: AMEERA-5 investigated amcenestrant (oral selective estrogen receptor [ER] degrader) plus palbociclib versus letrozole plus palbociclib as first-line treatment for ER-positive/human epidermal growth factor receptor 2-negative (ER+/HER2-) advanced/metastatic breast cancer (aBC).

Materials And Methods: In AMEERA-5 (ClinicalTrials.gov identifier: NCT04478266), a double-blind, double-dummy, international phase III trial, adult pre-/post-menopausal women and men without previous systemic therapy for ER+/HER2- aBC were randomly assigned 1:1 to amcenestrant 200 mg once daily + standard palbociclib dosage (125 mg once daily, 21 days on/7 days off) or letrozole 2.

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Background: Despite a higher risk of classical Hodgkin lymphoma (cHL) in people with HIV and the demonstrated safety and efficacy of PD-1 blockade in cHL, there are limited data on the use of these agents in HIV-associated cHL (HIV-cHL).

Patients/methods: We retrospectively identified patients with HIV-cHL from the "Cancer Therapy using Checkpoint inhibitors in People with HIV-International (CATCH-IT)" database who received nivolumab or pembrolizumab, alone or in combination with other agents, and reviewed records for demographics, disease characteristics, immune-mediated adverse events (imAEs), and treatment outcomes. Changes in CD4 T-cell counts with treatment were measured via Wilcoxon signed-rank tests.

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The rising costs of cancer care and subsequent medical financial hardship for cancer survivors and families are well documented in the United States. Less attention has been paid to employment disruptions and loss of household income after a cancer diagnosis and during treatment, potentially resulting in lasting financial hardship, particularly for working-age adults not yet age-eligible for Medicare coverage and their families. In this article, the authors use a composite patient case to illustrate the adverse consequences of cancer diagnosis and treatment for employment, health insurance coverage, household income, and other aspects of financial hardship.

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Clinic-based interventions for improving access to care: a good start.

J Natl Cancer Inst

June 2024

University of California Los Angeles Jonsson Comprehensive Cancer Center and Department of Radiation Oncology, School of Medicine, Los Angeles, CA, USA.

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Lung Cancer Survival Trends in the Veterans Health Administration.

Clin Lung Cancer

May 2024

Department of Radiation Oncology, Emory University School of Medicine, Atlanta, GA; Winship Cancer Institute of Emory University, Atlanta, GA.

Introduction: Lung cancer survival is improving in the United States. We investigated whether there was a similar trend within the Veterans Health Administration (VHA), the largest integrated healthcare system in the United States.

Materials And Methods: Data from the Veterans Affairs Central Cancer Registry were analyzed for temporal survival trends using Kaplan-Meier estimates and linear regression.

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Immune checkpoint inhibitors (ICIs) have revolutionized the treatment of advanced melanoma, but racial disparities in melanoma outcomes continue. These inequities are not fully explained by individual factors. To investigate the associations of neighborhood factors with the use of ICIs in metastatic melanoma.

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Unlabelled: Predicting an individual's risk of treatment discontinuation is critical for the implementation of precision chemoprevention. We developed partly conditional survival models to predict discontinuation of tamoxifen or anastrozole using patient-reported outcome (PRO) data from postmenopausal women with ductal carcinoma in situ enrolled in the NSABP B-35 clinical trial. In a secondary analysis of the NSABP B-35 clinical trial PRO data, we proposed two models for treatment discontinuation within each treatment arm (anastrozole or tamoxifen treated patients) using partly conditional Cox-type models with time-dependent covariates.

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Neoadjuvant-Adjuvant or Adjuvant-Only Pembrolizumab in Advanced Melanoma.

N Engl J Med

March 2023

From the University of Texas M.D. Anderson Cancer Center, Houston (S.P.P., M.I.R., V.G.P.), and the University of Texas Health Science Center at San Antonio, San Antonio (M.S.); Southwest Oncology Group Statistics and Data Management Center (M.O., J.M.) and the Fred Hutchinson Cancer Center (M.O., E.D., J.M.) - both in Seattle; the Cancer Research Consortium of West Michigan National Cancer Institute Community Oncology Research Program (NCORP)-Cancer and Hematology Centers of Western Michigan (Y.C.), the Cancer Research Consortium of West Michigan NCORP-Spectrum Health (G.P.W.), and the Cancer Research Consortium of West Michigan NCORP (K.J.Y.), Grand Rapids, and the University of Michigan Rogel Cancer Center, Ann Arbor (C.D.L., L.A.F.); the University of Utah Huntsman Cancer Institute, Salt Lake City (J.R.H., S.H.-L.); Kaiser Permanente Northern California, Vallejo (T.-G.T.), University of Southern California Norris Comprehensive Cancer Center (G.K.I., N.K.) and University of California Los Angeles Jonsson Comprehensive Cancer Center (B.C., J.G.C., A.R.), Los Angeles, City of Hope Comprehensive Cancer Center-Saint John's Cancer Institute, Santa Monica (K.A.M.), and City of Hope Comprehensive Cancer Center-University of California, Irvine, Irvine (W.A.C.) - all in California; Kaiser Permanente Colorado, Lafayette (J.L.E.); Northwestern University, Chicago (S.C., J.A.S.), and the Cancer Care Specialists of Illinois-Heartland NCORP, O'Fallon (J.D.F.) - both in Illinois; Ohio State University Wexner Medical Center, Columbus (K.L.K., R.C.W.), and University Hospitals Seidman Cancer Center-Case Western Reserve University Case Comprehensive Cancer Center, Cleveland (A.M., A.M.R.); Northwell Health Cancer Institute, Lake Success, NY (C.E.D., G.B.D.); the University of Alabama at Birmingham, Birmingham (A.H., M.K.); Virginia Commonwealth University-Massey Cancer Center-VCU Massey Cancer Center Minority Underserved NCORP, Richmond (A.S.P., G.Q.P.); Marshfield Medical Center Wisconsin NCORP, Weston (A.A.O.), and Marshfield Medical Center Wisconsin NCORP, Minocqua (D.G.Y.); the University of Kansas Cancer Center, Overland Park (B.C.P.), and the University of Kansas Hospital-Westwood Cancer Center, Westwood (G.C.D.); MedStar Georgetown University Hospital, Washington, DC (G.T.G., M.B.A.); Banner University Medical Center-University of Arizona Cancer Center, Tucson (M.S., J.A.W.); the University of Oklahoma, Oklahoma City (A.I.), and the University of Oklahoma-Cancer Centers of Southwest Oklahoma, Lawton (J.E.N.); Saint Louis University School of Medicine, St. Louis (E.H.); Merck, Rahway, NJ (K.F.G.); Emory University, Atlanta (M.C.L.); Dana-Farber Cancer Institute-Harvard Cancer Center, Boston (E.I.B.); the University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh (J.M.K.); the National Cancer Institute Cancer Therapy Evaluation Program, Bethesda, MD (L.K., E.S.); and Moffitt Cancer Center, Tampa, FL (V.K.S.).

Background: Whether pembrolizumab given both before surgery (neoadjuvant therapy) and after surgery (adjuvant therapy), as compared with pembrolizumab given as adjuvant therapy alone, would increase event-free survival among patients with resectable stage III or IV melanoma is unknown.

Methods: In a phase 2 trial, we randomly assigned patients with clinically detectable, measurable stage IIIB to IVC melanoma that was amenable to surgical resection to three doses of neoadjuvant pembrolizumab, surgery, and 15 doses of adjuvant pembrolizumab (neoadjuvant-adjuvant group) or to surgery followed by pembrolizumab (200 mg intravenously every 3 weeks for a total of 18 doses) for approximately 1 year or until disease recurred or unacceptable toxic effects developed (adjuvant-only group). The primary end point was event-free survival in the intention-to-treat population.

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Purpose: Efficient analytical methods are necessary to make reproducible inferences on single-item longitudinal ordinal patient-reported outcome (PRO) data. A thorough simulation study was performed to compare the performance of the semiparametric probabilistic index models (PIM) with a longitudinal analysis using parametric cumulative logit mixed models (CLMM).

Methods: In the setting of a control and intervention arm, we compared the power of the PIM and CLMM to detect differences in PRO adverse event (AE) between these groups using several existing and novel summary scores of PROs.

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Background: For estrogen receptor-positive (ER+)/human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer (ABC), the current standard first-line treatment includes an aromatase inhibitor in combination with a cyclin-dependent kinase 4/6 inhibitor. When resistance occurs, often related to the occurrence of mutations, selective estrogen receptor modulators or degraders (SERDs) may be used, alone or in combination regimens. Amcenestrant (SAR439859), an optimized oral SERD, has shown clinical antitumor activity in combination with palbociclib in patients with ER+/HER2- ABC and, as monotherapy, in patients with and without mutations.

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Evaluating the Association of Adverse Events and Patient-Reported Symptoms to Endocrine Therapy Tolerability.

J Clin Oncol

February 2022

N. Lynn Henry, MD, PhD, University of Michigan Rogel Cancer Center, Ann Arbor, MI; André Rogatko, PhD, Cedars Sinai Medical Center, Los Angeles, CA; and Patricia A. Ganz, MD, University of California Los Angeles Jonsson Comprehensive Cancer Center, Los Angeles, CA.

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