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Full-Text Articles in Medicine and Health Sciences

A Rat-Based Preclinical Platform Facilitating Transcatheter Hepatic Arterial Infusion In Immunodeficient Rats With Liver Xenografts Of Patient-Derived Pancreatic Ductal Adenocarcinoma, Masanori Ozaki, Ken Kageyama, Kenjiro Kimura, Shinpei Eguchi, Akira Yamamoto, Ryota Tanaka, Takehito Nota, Hiroki Yonezawa, Hideyuki Nishiofuku, Yuki Sakai, Naoki Tani, Atsushi Jogo, Mizue Terai, Takami Sato, Takeaki Ishizawa, Yukio Miki May 2024

A Rat-Based Preclinical Platform Facilitating Transcatheter Hepatic Arterial Infusion In Immunodeficient Rats With Liver Xenografts Of Patient-Derived Pancreatic Ductal Adenocarcinoma, Masanori Ozaki, Ken Kageyama, Kenjiro Kimura, Shinpei Eguchi, Akira Yamamoto, Ryota Tanaka, Takehito Nota, Hiroki Yonezawa, Hideyuki Nishiofuku, Yuki Sakai, Naoki Tani, Atsushi Jogo, Mizue Terai, Takami Sato, Takeaki Ishizawa, Yukio Miki

Department of Medical Oncology Faculty Papers

Liver metastases from pancreatic ductal adenocarcinoma (PDAC) are highly fatal. A rat-based patient-derived tumor xenograft (PDX) model is available for transcatheter therapy. This study aimed to create an immunodeficient rat model with liver xenografts of patient-derived primary PDAC and evaluate efficacy of hepatic arterial infusion chemotherapy with cisplatin in this model. Three patient-derived PDACs were transplanted into the livers of 21 rats each (totally, 63 rats), randomly assigned into hepatic arterial infusion, systemic venous infusion, and control groups (n = 7 each) four weeks post-implantation. Computed tomography evaluated tumor volumes before and four weeks after treatment. Post-euthanasia, resected tumor specimens …


The Novel Drug Candidate S2/Iapinh Improves Survival In Models Of Pancreatic And Ovarian Cancer, Takaomi Hagi, Suwanna Vangveravong, Rony Takchi, Qingqing Gong, S Peter Goedegebuure, Herve Tiriac, Brian A Van Tine, Matthew A Powell, William G Hawkins, Dirk Spitzer Mar 2024

The Novel Drug Candidate S2/Iapinh Improves Survival In Models Of Pancreatic And Ovarian Cancer, Takaomi Hagi, Suwanna Vangveravong, Rony Takchi, Qingqing Gong, S Peter Goedegebuure, Herve Tiriac, Brian A Van Tine, Matthew A Powell, William G Hawkins, Dirk Spitzer

2020-Current year OA Pubs

Cancer selective apoptosis remains a therapeutic challenge and off-target toxicity has limited enthusiasm for this target clinically. Sigma-2 ligands (S2) have been shown to enhance the cancer selectivity of small molecule drug candidates by improving internalization. Here, we report the synthesis of a novel drug conjugate, which was created by linking a clinically underperforming SMAC mimetic (second mitochondria-derived activator of caspases; LCL161), an inhibitor (antagonist) of inhibitor of apoptosis proteins (IAPinh) with the sigma-2 ligand SW43, resulting in the new chemical entity S2/IAPinh. Drug potency was assessed via cell viability assays across several pancreatic and ovarian cancer cell lines in …


Biomarker-Directed Targeted Therapy Plus Durvalumab In Advanced Non-Small-Cell Lung Cancer: A Phase 2 Umbrella Trial, Benjamin Besse, Daniel Morgensztern, Et Al. Mar 2024

Biomarker-Directed Targeted Therapy Plus Durvalumab In Advanced Non-Small-Cell Lung Cancer: A Phase 2 Umbrella Trial, Benjamin Besse, Daniel Morgensztern, Et Al.

2020-Current year OA Pubs

For patients with non-small-cell lung cancer (NSCLC) tumors without currently targetable molecular alterations, standard-of-care treatment is immunotherapy with anti-PD-(L)1 checkpoint inhibitors, alone or with platinum-doublet therapy. However, not all patients derive durable benefit and resistance to immune checkpoint blockade is common. Understanding mechanisms of resistance-which can include defects in DNA damage response and repair pathways, alterations or functional mutations in STK11/LKB1, alterations in antigen-presentation pathways, and immunosuppressive cellular subsets within the tumor microenvironment-and developing effective therapies to overcome them, remains an unmet need. Here the phase 2 umbrella HUDSON study evaluated rational combination regimens for advanced NSCLC following failure of …


Phase I Dose-Escalation Study Of The Safety And Pharmacokinetics Of Ags15e Monotherapy In Patients With Metastatic Urothelial Carcinoma, Daniel P Petrylak, Joel Picus, Et Al. Jan 2024

Phase I Dose-Escalation Study Of The Safety And Pharmacokinetics Of Ags15e Monotherapy In Patients With Metastatic Urothelial Carcinoma, Daniel P Petrylak, Joel Picus, Et Al.

2020-Current year OA Pubs

PURPOSE: Effective treatment of locally advanced or metastatic urothelial carcinoma (mUC) remains an unmet need. Antibody-drug conjugates (ADC) providing targeted drug delivery have shown antitumor activity in this setting. AGS15E is an investigational ADC that delivers the cytotoxic drug monomethyl auristatin E to cells expressing SLITRK6, a UC-associated antigen.

PATIENTS AND METHODS: This was a multicenter, single-arm, phase I dose-escalation and expansion trial of AGS15E in patients with mUC (NCT01963052). During dose escalation, AGS15E was administered intravenously at six levels (0.10, 0.25, 0.50, 0.75, 1.00, 1.25 mg/kg), employing a continual reassessment method to determine dose-limiting toxicities (DLT) and the recommended …


Xtx101, A Tumor-Activated, Fc-Enhanced Anti-Ctla-4 Monoclonal Antibody, Demonstrates Tumor-Growth Inhibition And Tumor-Selective Pharmacodynamics In Mouse Models Of Cancer, Kurt A. Jenkins, Miso Park, Magali Pederzoli-Ribeil, Ugur Eskiocak, Parker Johnson, Wilson Guzman, Megan Mclaughlin, Deborah Moore-Lai, Caitlin O'Toole, Zhen Liu, Benjamin Nicholson, Veronica Flesch, Huawei Qiu, Tim Clackson, Ronan C. O'Hagan, Ulrich Rodeck, Margaret Karow, Jennifer O'Neil, John C. Williams Dec 2023

Xtx101, A Tumor-Activated, Fc-Enhanced Anti-Ctla-4 Monoclonal Antibody, Demonstrates Tumor-Growth Inhibition And Tumor-Selective Pharmacodynamics In Mouse Models Of Cancer, Kurt A. Jenkins, Miso Park, Magali Pederzoli-Ribeil, Ugur Eskiocak, Parker Johnson, Wilson Guzman, Megan Mclaughlin, Deborah Moore-Lai, Caitlin O'Toole, Zhen Liu, Benjamin Nicholson, Veronica Flesch, Huawei Qiu, Tim Clackson, Ronan C. O'Hagan, Ulrich Rodeck, Margaret Karow, Jennifer O'Neil, John C. Williams

Department of Dermatology and Cutaneous Biology Faculty Papers

INTRODUCTION: The clinical benefit of the anti-CTLA-4 monoclonal antibody (mAb) ipilimumab has been well established but limited by immune-related adverse events, especially when ipilimumab is used in combination with anti-PD-(L)1 mAb therapy. To overcome these limitations, we have developed XTX101, a tumor-activated, Fc-enhanced anti-CTLA-4 mAb.

METHODS: XTX101 consists of an anti-human CTLA-4 mAb covalently linked to masking peptides that block the complementarity-determining regions, thereby minimizing the mAb binding to CTLA-4. The masking peptides are designed to be released by proteases that are typically dysregulated within the tumor microenvironment (TME), resulting in activation of XTX101 intratumorally. Mutations within the Fc region …


Phase 1/1b Open-Label, Dose-Escalation Study Of Fruquintinib In Patients With Advanced Solid Tumors In The United States, Andrea Wang-Gillam, William Schelman, Stacey Ukrainskyj, Caly Chien, Martha Gonzalez, Zhao Yang, Marek Kania, Heather Yeckes-Rodin Dec 2023

Phase 1/1b Open-Label, Dose-Escalation Study Of Fruquintinib In Patients With Advanced Solid Tumors In The United States, Andrea Wang-Gillam, William Schelman, Stacey Ukrainskyj, Caly Chien, Martha Gonzalez, Zhao Yang, Marek Kania, Heather Yeckes-Rodin

2020-Current year OA Pubs

This open-label, phase 1/1b study was conducted to evaluate the safety, tolerability, and pharmacokinetics (PK) of fruquintinib in United States (U.S.) patients to confirm the recommended phase 2 dose (RP2D) established in China. Patients with advanced solid tumors who had progressed on approved systemic therapy, were enrolled into 2 successive dose escalation cohorts, fruquintinib 3 mg (n = 7) or 5 mg (n = 7), orally, once daily (QD), 3 weeks on and 1 week off (3/1) with a 3 + 3 design followed by a dose expansion cohort at the RP2D 5 mg dose (n = 6). PK samples …


Idasanutlin And Navitoclax Induce Synergistic Apoptotic Cell Death In T-Cell Acute Lymphoblastic Leukemia, Kimberly B Johansson, Megan S Zimmerman, Iryna V Dmytrenko, Feng Gao, Daniel C Link Dec 2023

Idasanutlin And Navitoclax Induce Synergistic Apoptotic Cell Death In T-Cell Acute Lymphoblastic Leukemia, Kimberly B Johansson, Megan S Zimmerman, Iryna V Dmytrenko, Feng Gao, Daniel C Link

2020-Current year OA Pubs

T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematologic malignancy in which activating mutations in the Notch pathway are thought to contribute to transformation, in part, by activating c-Myc. Increased c-Myc expression induces oncogenic stress that can trigger apoptosis through the MDM2-p53 tumor suppressor pathway. Since the great majority of T-ALL cases carry inactivating mutations upstream in this pathway but maintain wildtype MDM2 and TP53, we hypothesized that T-ALL would be selectively sensitive to MDM2 inhibition. Treatment with idasanutlin, an MDM2 inhibitor, induced only modest apoptosis in T-ALL cells but upregulated the pro-apoptotic BH3 domain genes BAX and BBC3, prompting …


Atm Deficiency Confers Specific Therapeutic Vulnerabilities In Bladder Cancer, Yuzhen Zhou, Judit Börcsök, Elio Adib, Sophia C. Kamran, Alexander J. Neil, Konrad Stawiski, Dory Freeman, Dag Rune Stormoen, Zsofia Sztupinszki, Amruta Samant, Amin Nassar, Raie T. Bekele, Timothy Hanlon, Henkel Valentine, Ilana Epstein, Bijaya Sharma, Kristen Felt, Philip Abbosh, Chin-Lee Wu, Jason A. Efstathiou, David T. Miyamoto, William Anderson, Zoltan Szallasi, Kent W. Mouw Nov 2023

Atm Deficiency Confers Specific Therapeutic Vulnerabilities In Bladder Cancer, Yuzhen Zhou, Judit Börcsök, Elio Adib, Sophia C. Kamran, Alexander J. Neil, Konrad Stawiski, Dory Freeman, Dag Rune Stormoen, Zsofia Sztupinszki, Amruta Samant, Amin Nassar, Raie T. Bekele, Timothy Hanlon, Henkel Valentine, Ilana Epstein, Bijaya Sharma, Kristen Felt, Philip Abbosh, Chin-Lee Wu, Jason A. Efstathiou, David T. Miyamoto, William Anderson, Zoltan Szallasi, Kent W. Mouw

Einstein Health Papers

Ataxia-telangiectasia mutated (ATM) plays a central role in the cellular response to DNA damage and ATM alterations are common in several tumor types including bladder cancer. However, the specific impact of ATM alterations on therapy response in bladder cancer is uncertain. Here, we combine preclinical modeling and clinical analyses to comprehensively define the impact of ATM alterations on bladder cancer. We show that ATM loss is sufficient to increase sensitivity to DNA-damaging agents including cisplatin and radiation. Furthermore, ATM loss drives sensitivity to DNA repair-targeted agents including poly(ADP-ribose) polymerase (PARP) and Ataxia telangiectasia and Rad3 related (ATR) inhibitors. ATM loss …


Advances In Screening For Radiation-Associated Cardiotoxicity In Cancer Patients, Walter Schiffer, Lauren N Pedersen, Matthew Lui, Carmen Bergom, Joshua D Mitchell Nov 2023

Advances In Screening For Radiation-Associated Cardiotoxicity In Cancer Patients, Walter Schiffer, Lauren N Pedersen, Matthew Lui, Carmen Bergom, Joshua D Mitchell

2020-Current year OA Pubs

PURPOSE OF REVIEW: Radiation is foundational to the treatment of cancer and improves overall survival. Yet, it is important to recognize the potential cardiovascular effects of radiation therapy and how to best minimize or manage them. Screening-both through imaging and with biomarkers-can potentially identify cardiovascular effects early, allowing for prompt initiation of treatment to mitigate late effects.

RECENT FINDINGS: Cardiac echocardiography, magnetic resonance imaging (MRI), computed tomography, and measurements of troponin and natriuretic peptides serve as the initial screening tests of choice for RICD. Novel imaging applications, including positron emission tomography and specific MRI parameters, and biomarker testing, including myeloperoxidase, …


Kinome Reprogramming Is A Targetable Vulnerability In Esr1 Fusion-Driven Breast Cancer, Xuxu Gou, Shunqiang Li, Et Al. Oct 2023

Kinome Reprogramming Is A Targetable Vulnerability In Esr1 Fusion-Driven Breast Cancer, Xuxu Gou, Shunqiang Li, Et Al.

2020-Current year OA Pubs

UNLABELLED: Transcriptionally active ESR1 fusions (ESR1-TAF) are a potent cause of breast cancer endocrine therapy (ET) resistance. ESR1-TAFs are not directly druggable because the C-terminal estrogen/anti-estrogen-binding domain is replaced with translocated in-frame partner gene sequences that confer constitutive transactivation. To discover alternative treatments, a mass spectrometry (MS)-based kinase inhibitor pulldown assay (KIPA) was deployed to identify druggable kinases that are upregulated by diverse ESR1-TAFs. Subsequent explorations of drug sensitivity validated RET kinase as a common therapeutic vulnerability despite remarkable ESR1-TAF C-terminal sequence and structural diversity. Organoids and xenografts from a pan-ET-resistant patient-derived xenograft model that harbors the ESR1-e6>YAP1 TAF …


First-In-Human Phase I/Ib Study Of Niz985, A Recombinant Heterodimer Of Il-15 And Il-15rα, As A Single Agent And In Combination With Spartalizumab In Patients With Advanced And Metastatic Solid Tumors, Rom Leidner, Kevin Conlon, Douglas G Mcneel, Andrea Wang-Gillam, Sumati Gupta, Robert Wesolowski, Monica Chaudhari, Nadia Hassounah, Jong Bong Lee, Lang Ho Lee, Jessica A O'Keeffe, Nancy Lewis, George N Pavlakis, John A Thompson Oct 2023

First-In-Human Phase I/Ib Study Of Niz985, A Recombinant Heterodimer Of Il-15 And Il-15rα, As A Single Agent And In Combination With Spartalizumab In Patients With Advanced And Metastatic Solid Tumors, Rom Leidner, Kevin Conlon, Douglas G Mcneel, Andrea Wang-Gillam, Sumati Gupta, Robert Wesolowski, Monica Chaudhari, Nadia Hassounah, Jong Bong Lee, Lang Ho Lee, Jessica A O'Keeffe, Nancy Lewis, George N Pavlakis, John A Thompson

2020-Current year OA Pubs

BACKGROUND: Preclinically, interleukin-15 (IL-15) monotherapy promotes antitumor immune responses, which are enhanced when IL-15 is used in combination with immune checkpoint inhibitors (ICIs). This first-in-human study investigated NIZ985, a recombinant heterodimer comprising physiologically active IL-15 and IL-15 receptor α, as monotherapy and in combination with spartalizumab, an anti-programmed cell death protein-1 (anti-PD-1) monoclonal antibody, in patients with advanced solid tumors.

METHODS: This phase I/Ib study had two dose-escalation arms: single-agent NIZ985 administered subcutaneously thrice weekly (TIW, 2 weeks on/2 weeks off) or once weekly (QW, 3 weeks on/1 week off), and NIZ985 TIW or QW administered subcutaneously plus spartalizumab (400 …


A Phase I, Multicenter, Open-Label, First-In-Human Study Of Ds-6157a In Patients With Advanced Gastrointestinal Stromal Tumor, Suzanne George, Peter Oppelt, Et Al. Sep 2023

A Phase I, Multicenter, Open-Label, First-In-Human Study Of Ds-6157a In Patients With Advanced Gastrointestinal Stromal Tumor, Suzanne George, Peter Oppelt, Et Al.

2020-Current year OA Pubs

PURPOSE: To evaluate DS-6157a, an antibody-drug conjugate targeting G protein-coupled receptor 20 (GPR20), in gastrointestinal stromal tumors (GIST).

PATIENTS AND METHODS: In this phase I multicenter, open-label, multiple-dose study, patients with previously treated advanced GIST received intravenous DS-6157a on Day 1 of 21-day cycles, with a starting dose of 1.6 mg/kg. The primary objective evaluated the safety and tolerability of DS-6157a, while determining dose-limiting toxicity (DLT) and the MTD. Secondary objectives included plasma pharmacokinetics parameters, plasma antidrug antibodies (ADA), and efficacy.

RESULTS: A total of 34 patients enrolled. DS-6157a was well tolerated, with DLTs in 4 patients (11.8%) at doses …


Mosunetuzumab Monotherapy Is Active And Tolerable In Patients With Relapsed/Refractory Diffuse Large B-Cell Lymphoma, Nancy L Bartlett, Et Al. Sep 2023

Mosunetuzumab Monotherapy Is Active And Tolerable In Patients With Relapsed/Refractory Diffuse Large B-Cell Lymphoma, Nancy L Bartlett, Et Al.

2020-Current year OA Pubs

As part of a phase 1 or 2 study, this single-arm expansion cohort established the efficacy and safety of mosunetuzumab monotherapy in patients with relapsed/refractory (R/R) diffuse large B-cell lymphoma (DLBCL) (received ≥2 previous lines of therapy). Intravenous mosunetuzumab was administered with cycle (C) 1 step-up dosing for cytokine release syndrome (CRS) mitigation: C1 day (D) 1: 1 mg; C1D8 2 mg; C1D15 and C2D1: 60 mg; C3 + D1: 30 mg. Hospitalization was not mandatory. Patients with complete response (CR) completed treatment after C8; those with partial response or stable disease continued treatment for a total of 17 cycles. …


Kinase Inhibitor Pulldown Assay Identifies A Chemotherapy Response Signature In Triple-Negative Breast Cancer Based On Purine-Binding Proteins, Junkai Wang, Alexander B Saltzman, Eric J Jaehnig, Jonathan T Lei, Anna Malovannaya, Matthew V Holt, Meggie N Young, Mothaffar F Rimawi, Foluso O Ademuyiwa, Meenakshi Anurag, Beom-Jun Kim, Matthew J Ellis Aug 2023

Kinase Inhibitor Pulldown Assay Identifies A Chemotherapy Response Signature In Triple-Negative Breast Cancer Based On Purine-Binding Proteins, Junkai Wang, Alexander B Saltzman, Eric J Jaehnig, Jonathan T Lei, Anna Malovannaya, Matthew V Holt, Meggie N Young, Mothaffar F Rimawi, Foluso O Ademuyiwa, Meenakshi Anurag, Beom-Jun Kim, Matthew J Ellis

2020-Current year OA Pubs

UNLABELLED: Triple-negative breast cancer (TNBC) constitutes 10%-15% of all breast tumors. The current standard of care is multiagent chemotherapy, which is effective in only a subset of patients. The original objective of this study was to deploy a mass spectrometry (MS)-based kinase inhibitor pulldown assay (KIPA) to identify kinases elevated in non-pCR (pathologic complete response) cases for therapeutic targeting. Frozen optimal cutting temperature compound-embedded core needle biopsies were obtained from 43 patients with TNBC before docetaxel- and carboplatin-based neoadjuvant chemotherapy. KIPA was applied to the native tumor lysates that were extracted from samples with high tumor content. Seven percent of …


Cytotoxic And Apoptotic Effects Of Pinostilbene And Bortezomib Combination Treatment On Human Multiple Myeloma Cells., Anna Staskiewicz, Erica Wong, Michael Tucker, Riya Farhin, Jonathan Park, Rana Saade, Tina Alkhazali, Tu Dang, Xinyu Wang Aug 2023

Cytotoxic And Apoptotic Effects Of Pinostilbene And Bortezomib Combination Treatment On Human Multiple Myeloma Cells., Anna Staskiewicz, Erica Wong, Michael Tucker, Riya Farhin, Jonathan Park, Rana Saade, Tina Alkhazali, Tu Dang, Xinyu Wang

PCOM Scholarly Papers

Multiple myeloma (MM) is a cancer of plasma cells in the bone marrow characterized by bone lesions, hypercalcemia, anemia, and renal failure. Bortezomib (BTZ), a common treatment for MM, is a proteasome inhibitor that induces apoptosis in MM cells. However, high doses of BTZ can be very toxic, signifying a need for a synergistic drug combination to improve treatment efficacy. Resveratrol (RES), a phenolic compound found in grapes, has been shown to inhibit MM cell growth. We sought to identify a synergistic combination of BTZ with a RES derivative and analyze the effects on reducing viability and inducing apoptosis in …


A Multicenter Analysis Of The Outcomes With Venetoclax In Patients With Relapsed Mantle Cell Lymphoma, Yazeed Sawalha, Scott Goldsmith, Brad S Kahl, Et Al. Jul 2023

A Multicenter Analysis Of The Outcomes With Venetoclax In Patients With Relapsed Mantle Cell Lymphoma, Yazeed Sawalha, Scott Goldsmith, Brad S Kahl, Et Al.

2020-Current year OA Pubs

To report the activity of venetoclax in patients with relapsed mantle cell lymphoma (MCL), we identified 81 patients treated with venetoclax monotherapy (n = 50, 62%) or in combination with a Bruton tyrosine kinase inhibitor (BTKi) (n = 16, 20%), an anti-CD20 monoclonal antibody (n = 11, 14%), or other active agents at 12 US academic medical centers. Patients had high-risk disease features including Ki67 >30% (61%), blastoid/pleomorphic histology (29%), complex karyotype (34%), and TP53 alterations (49%), and received a median of 3 prior treatments including BTKis in 91%. Venetoclax alone or in combination resulted in an overall response rate …


Real-World Outcomes Associated With Poly(Adp-Ribose) Polymerase Inhibitor Monotherapy Maintenance In Patients With Primary Advanced Ovarian Cancer, John K Chan, Jinan Liu, Jinlin Song, Cheryl Xiang, Eric Wu, Linda Kalilani, Jean A. Hurteau, Premal H. Thaker Jul 2023

Real-World Outcomes Associated With Poly(Adp-Ribose) Polymerase Inhibitor Monotherapy Maintenance In Patients With Primary Advanced Ovarian Cancer, John K Chan, Jinan Liu, Jinlin Song, Cheryl Xiang, Eric Wu, Linda Kalilani, Jean A. Hurteau, Premal H. Thaker

2020-Current year OA Pubs

OBJECTIVE: This study used real-world population data to assess the trends of first-line (1L) poly(ADP-ribose) polymerase inhibitor (PARPi) maintenance treatment uptake and outcomes in patients with primary advanced ovarian cancer (AOC).

METHODS: Patients diagnosed with AOC between January 1, 2017, and June 30, 2021, who completed 1L chemotherapy were selected from a real-world database. Descriptive analyses were performed to evaluate patient demographics, clinicopathological characteristics, and 1L treatment patterns. Time to next treatment or death was used as a proxy for real-world progression-free survival (rwPFS). Kaplan-Meier methods and Cox models were used for statistical analyses.

RESULTS: Of 705 patients who completed …


Blm Overexpression As A Predictive Biomarker For Chk1 Inhibitor Response In Parp Inhibitor–Resistant Brca-Mutant Ovarian Cancer, Nitasha Gupta, Tzu-Ting Huang, Jayakumar R Nair, Daniel An, Grant Zurcher, Erika J Lampert, Ann Mccoy, Ashley Cimino-Mathews, Elizabeth M Swisher, Marc R Radke, Christina M Lockwood, Jonathan B Reichel, Chih-Yuan Chiang, Kelli M Wilson, Ken Chih-Chien Cheng, Darryl Nousome, Jung-Min Lee Jun 2023

Blm Overexpression As A Predictive Biomarker For Chk1 Inhibitor Response In Parp Inhibitor–Resistant Brca-Mutant Ovarian Cancer, Nitasha Gupta, Tzu-Ting Huang, Jayakumar R Nair, Daniel An, Grant Zurcher, Erika J Lampert, Ann Mccoy, Ashley Cimino-Mathews, Elizabeth M Swisher, Marc R Radke, Christina M Lockwood, Jonathan B Reichel, Chih-Yuan Chiang, Kelli M Wilson, Ken Chih-Chien Cheng, Darryl Nousome, Jung-Min Lee

Journal Articles

Poly(ADP-ribose) polymerase inhibitors (PARPis) have changed the treatment paradigm in breast cancer gene (BRCA)–mutant high-grade serous ovarian carcinoma (HGSC). However, most patients eventually develop resistance to PARPis, highlighting an unmet need for improved therapeutic strategies. Using high-throughput drug screens, we identified ataxia telangiectasia and rad3-related protein/checkpoint kinase 1 (CHK1) pathway inhibitors as cytotoxic and further validated the activity of the CHK1 inhibitor (CHK1i) prexasertib in PARPi-sensitive and -resistant BRCA-mutant HGSC cells and xenograft mouse models. CHK1i monotherapy induced DNA damage, apoptosis, and tumor size reduction. We then conducted a phase 2 study (NCT02203513) of prexasertib …


Tarlatamab, A First-In-Class Dll3-Targeted Bispecific T-Cell Engager, In Recurrent Small-Cell Lung Cancer: An Open-Label, Phase I Study, Luis Paz-Ares, Ramaswamy Govindan, Et Al. Jun 2023

Tarlatamab, A First-In-Class Dll3-Targeted Bispecific T-Cell Engager, In Recurrent Small-Cell Lung Cancer: An Open-Label, Phase I Study, Luis Paz-Ares, Ramaswamy Govindan, Et Al.

2020-Current year OA Pubs

PURPOSE: Small-cell lung cancer (SCLC) is an aggressive malignancy with limited treatments. Delta-like ligand 3 (DLL3) is aberrantly expressed in most SCLC. Tarlatamab (AMG 757), a bispecific T-cell engager molecule, binds both DLL3 and CD3 leading to T-cellb-mediated tumor lysis. Herein, we report phase I results of tarlatamab in patients with SCLC.

PATIENTS AND METHODS: This study evaluated tarlatamab in patients with relapsed/refractory SCLC. The primary end point was safety. Secondary end points included antitumor activity by modified RECIST 1.1, overall survival, and pharmacokinetics.

RESULTS: By July 19, 2022, 107 patients received tarlatamab in dose exploration (0.003 to 100 mg; …


Cellular Metabolism Therapy Slowing Growth Rate Of Glioblastomas, Heet Patel May 2023

Cellular Metabolism Therapy Slowing Growth Rate Of Glioblastomas, Heet Patel

Rowan-Virtua Research Day

Glioblastoma Multiforme (GBM), more commonly known as glioblastomas, are a form of specialized brain tumors called gliomas. Glioblastomas most commonly occur in glial cells of the central nervous system and the average age of diagnosis is 64. Treatment methods implemented currently are surgery of the removable masses followed by courses of chemotherapy and radiotherapy. These methods can only prolong the life span by a few months and as such, new research focused on tumor cell metabolism is being conducted to determine its impact on the progression of this tumor. Tumor masses, such as Glioblastomas, modify their metabolism via the Warburg …


Mcl-1 Inhibition Modulates Erk-Mediated Resistance In Multiple Myeloma, Omar Al-Odat, Krishne Gowda, Shantu Amin, Tulin Budak-Alpdogan, Subash Jonnalagadda, Manoj Pandey May 2023

Mcl-1 Inhibition Modulates Erk-Mediated Resistance In Multiple Myeloma, Omar Al-Odat, Krishne Gowda, Shantu Amin, Tulin Budak-Alpdogan, Subash Jonnalagadda, Manoj Pandey

Rowan-Virtua Research Day

Novel multiple myeloma (MM) treatments have significantly improved over the previous several decades, primarily on account of targeting bone marrow microenvironment (BMM) pathways. However, drug resistance and patient relapse remain major clinical problems. The role of BMM in the upregulation of anti-apoptotic protein Mcl-1 is well documented. The Mcl-1 protein plays a critical role in the progression and acquired drug resistance in MM. The regulation of Mcl-1, a protein characterized by a short half-life, from transcription to degradation is crucial for understanding its role in cell survival. The GSK3β and Erk play important role in the stability of Mcl-1. Also, …


Evaluating The Effect Of A Taxane-Based Anti-Cancer Drug On The Adult Taste Organ Using A Mouse Model, Archana Kumari, Lucre'ce Estropia May 2023

Evaluating The Effect Of A Taxane-Based Anti-Cancer Drug On The Adult Taste Organ Using A Mouse Model, Archana Kumari, Lucre'ce Estropia

Rowan-Virtua Research Day

Chemosensory alteration is one of the major side effects of chemotherapy that can negatively impact the quality of life of cancer patients. Decreased appetite and food aversions can consequently lead to substantial reductions in food intake and thereby malnutrition and poor patient outcomes. The chemotherapeutic agent, taxane (docetaxel), is an effective choice of treatment for breast cancer, gastric cancer, or prostate cancer. Despite its major effects as an anti-cancer medication, patients under taxane treatments have reported taste alterations. Essentially, the drug disrupts normal microtubule growth by inhibiting microtubule depolymerization. By binding to ß-tubulin, a major component of mitotic spindles, docetaxel …


Cancer Stem Cell Assay-Guided Chemotherapy Improves Survival Of Patients With Recurrent Glioblastoma In A Randomized Trial, Tulika Ranjan, Soma Sengupta, Michael J. Glantz, Richard M. Green, Alexander Yu, Dawit Aregawi, Rekha Chaudhary, Ricky Chen, Mario Zuccarello, Christine Lu-Emerson, Hugh D. Moulding, Neil Belman, Jon Glass, Aaron Mammoser, Mark Anderson, Jagan Valluri, Nicholas Marko, Jason Schroeder, Steven Jubelirer, Frances Chow, Pier Paolo Claudio, Anthony M. Alberico, Seth T. Lirette, Krista L. Denning, Candace M. Howard May 2023

Cancer Stem Cell Assay-Guided Chemotherapy Improves Survival Of Patients With Recurrent Glioblastoma In A Randomized Trial, Tulika Ranjan, Soma Sengupta, Michael J. Glantz, Richard M. Green, Alexander Yu, Dawit Aregawi, Rekha Chaudhary, Ricky Chen, Mario Zuccarello, Christine Lu-Emerson, Hugh D. Moulding, Neil Belman, Jon Glass, Aaron Mammoser, Mark Anderson, Jagan Valluri, Nicholas Marko, Jason Schroeder, Steven Jubelirer, Frances Chow, Pier Paolo Claudio, Anthony M. Alberico, Seth T. Lirette, Krista L. Denning, Candace M. Howard

Department of Neurosurgery Faculty Papers

Therapy-resistant cancer stem cells (CSCs) contribute to the poor clinical outcomes of patients with recurrent glioblastoma (rGBM) who fail standard of care (SOC) therapy. ChemoID is a clinically validated assay for identifying CSC-targeted cytotoxic therapies in solid tumors.

In a randomized clinical trial (NCT03632135), the ChemoID assay, a personalized approach for selecting the most effective treatment from FDA-approved chemotherapies, improves the survival of patients with rGBM (2016 WHO classification) over physician-chosen chemotherapy. In the ChemoID assay-guided group, median survival is 12.5 months (95% confidence interval [CI], 10.2-14.7) compared with 9 months (95% CI, 4.2-13.8) in the physician-choice group (p = …


Chemotherapy-Induced Toxicities: An Imaging Primer, Nikhil S. Patil, Natasha Larocque, Christian B. Van Der Pol, Carlos Torres, Demetrios A. Raptis, Michael N. Patlas May 2023

Chemotherapy-Induced Toxicities: An Imaging Primer, Nikhil S. Patil, Natasha Larocque, Christian B. Van Der Pol, Carlos Torres, Demetrios A. Raptis, Michael N. Patlas

2020-Current year OA Pubs

The Coronavirus Disease of 2019 (COVID-19) pandemic has caused significant delays in the delivery of cancer treatments in Canada. As cancer treatment and imaging volumes return to normal, radiologists will encounter more cases of chemotherapy-induced toxicities. These toxicities have varied appearances on imaging, and can affect multiple organ systems. The purpose of this review is to offer a unified resource for general radiologists regarding the imaging appearances of chemotherapy-induced toxicities.


Nivolumab Plus Ipilimumab Versus Extreme Regimen As First-Line Treatment For Recurrent/Metastatic Squamous Cell Carcinoma Of The Head And Neck: The Final Results Of Checkmate 651., Robert I. Haddad, Kevin Harrington, Makoto Tahara, Robert L. Ferris, Maura Gillison, Jerome Fayette, Amaury Daste, Piotr Koralewski, Bogdan Zurawski, Miren Taberna, Nabil F. Saba, Milena Mak, Andrzej Kawecki, Gustavo Girotto, Miguel Angel Alvarez Avitia, Caroline Even, Joaquin Gabriel Reinoso Toledo, Alexander Guminski, Urs Müller-Richter, Naomi Kiyota, Mustimbo Roberts, Tariq Aziz Khan, Karen Miller-Moslin, Li Wei, Athanassios Argiris Apr 2023

Nivolumab Plus Ipilimumab Versus Extreme Regimen As First-Line Treatment For Recurrent/Metastatic Squamous Cell Carcinoma Of The Head And Neck: The Final Results Of Checkmate 651., Robert I. Haddad, Kevin Harrington, Makoto Tahara, Robert L. Ferris, Maura Gillison, Jerome Fayette, Amaury Daste, Piotr Koralewski, Bogdan Zurawski, Miren Taberna, Nabil F. Saba, Milena Mak, Andrzej Kawecki, Gustavo Girotto, Miguel Angel Alvarez Avitia, Caroline Even, Joaquin Gabriel Reinoso Toledo, Alexander Guminski, Urs Müller-Richter, Naomi Kiyota, Mustimbo Roberts, Tariq Aziz Khan, Karen Miller-Moslin, Li Wei, Athanassios Argiris

Department of Medical Oncology Faculty Papers

Purpose: CheckMate 651 (ClinicalTrials.gov identifier: NCT02741570) evaluated first-line nivolumab plus ipilimumab versus EXTREME (cetuximab plus cisplatin/carboplatin plus fluorouracil ≤ six cycles, then cetuximab maintenance) in recurrent/metastatic squamous cell carcinoma of the head and neck (R/M SCCHN).

Methods: Patients without prior systemic therapy for R/M SCCHN were randomly assigned 1:1 to nivolumab plus ipilimumab or EXTREME. Primary end points were overall survival (OS) in the all randomly assigned and programmed death-ligand 1 combined positive score (CPS) ≥ 20 populations. Secondary end points included OS in the programmed death-ligand 1 CPS ≥ 1 population, and progression-free survival, objective response rate, and …


Geographic Variations And The Associated Factors In Adherence To And Persistence With Adjuvant Hormonal Therapy For The Privately Insured Women Aged 18-64 With Breast Cancer In Texas, Junghyun Kim, Man S Kim, Suja S Rajan, Xianglin L Du, Luisa Franzini, Tae Gi Kim, Sharon H Giordano, Robert O Morgan Mar 2023

Geographic Variations And The Associated Factors In Adherence To And Persistence With Adjuvant Hormonal Therapy For The Privately Insured Women Aged 18-64 With Breast Cancer In Texas, Junghyun Kim, Man S Kim, Suja S Rajan, Xianglin L Du, Luisa Franzini, Tae Gi Kim, Sharon H Giordano, Robert O Morgan

Journal Articles

The purpose of this study is to examine the geographical patterns of adjuvant hormonal therapy adherence and persistence and the associated factors in insured Texan women aged 18-64 with early breast cancer. A retrospective cohort study was conducted using 5-year claims data for the population insured by the Blue Cross Blue Shield of Texas (BCBSTX). Women diagnosed with early breast cancer who were taking tamoxifen or aromatase inhibitors (AIs) for adjuvant hormonal therapy with at least one prescription claim were identified. Adherence to adjuvant hormonal therapy and persistence with adjuvant hormonal therapy were calculated as outcome measures. Women without a …


Geographic Variations And The Associated Factors In Adherence To And Persistence With Adjuvant Hormonal Therapy For The Privately Insured Women Aged 18-64 With Breast Cancer In Texas, Junghyun Kim, Man S Kim, Suja S Rajan, Xianglin L Du, Luisa Franzini, Tae Gi Kim, Sharon H Giordano, Robert O Morgan Mar 2023

Geographic Variations And The Associated Factors In Adherence To And Persistence With Adjuvant Hormonal Therapy For The Privately Insured Women Aged 18-64 With Breast Cancer In Texas, Junghyun Kim, Man S Kim, Suja S Rajan, Xianglin L Du, Luisa Franzini, Tae Gi Kim, Sharon H Giordano, Robert O Morgan

Journal Articles

The purpose of this study is to examine the geographical patterns of adjuvant hormonal therapy adherence and persistence and the associated factors in insured Texan women aged 18-64 with early breast cancer. A retrospective cohort study was conducted using 5-year claims data for the population insured by the Blue Cross Blue Shield of Texas (BCBSTX). Women diagnosed with early breast cancer who were taking tamoxifen or aromatase inhibitors (AIs) for adjuvant hormonal therapy with at least one prescription claim were identified. Adherence to adjuvant hormonal therapy and persistence with adjuvant hormonal therapy were calculated as outcome measures. Women without a …


Nirogacestat, A Γ-Secretase Inhibitor For Desmoid Tumors, Mrinal Gounder, Brian A Van Tine, Et Al. Mar 2023

Nirogacestat, A Γ-Secretase Inhibitor For Desmoid Tumors, Mrinal Gounder, Brian A Van Tine, Et Al.

2020-Current year OA Pubs

BACKGROUND: Desmoid tumors are rare, locally aggressive, highly recurrent soft-tissue tumors without approved treatments.

METHODS: We conducted a phase 3, international, double-blind, randomized, placebo-controlled trial of nirogacestat in adults with progressing desmoid tumors according to the Response Evaluation Criteria in Solid Tumors, version 1.1. Patients were assigned in a 1:1 ratio to receive the oral γ-secretase inhibitor nirogacestat (150 mg) or placebo twice daily. The primary end point was progression-free survival.

RESULTS: From May 2019 through August 2020, a total of 70 patients were assigned to receive nirogacestat and 72 to receive placebo. Nirogacestat had a significant progression-free survival benefit …


Recent Advances In Serum Biomarkers For Risk Stratification And Patient Management In Cardio-Oncology, Pouya Joolharzadeh, Mario Rodriguez, Raja Zaghlol, Lauren N Pedersen, Jesus Jimenez, Carmen Bergom, Joshua D Mitchell Mar 2023

Recent Advances In Serum Biomarkers For Risk Stratification And Patient Management In Cardio-Oncology, Pouya Joolharzadeh, Mario Rodriguez, Raja Zaghlol, Lauren N Pedersen, Jesus Jimenez, Carmen Bergom, Joshua D Mitchell

2020-Current year OA Pubs

PURPOSE OF REVIEW: Following significant advancements in cancer therapeutics and survival, the risk of cancer therapy-related cardiotoxicity (CTRC) is increasingly recognized. With ongoing efforts to reduce cardiovascular morbidity and mortality in cancer patients and survivors, cardiac biomarkers have been studied for both risk stratification and monitoring during and after therapy to detect subclinical disease. This article will review the utility for biomarker use throughout the cancer care continuum.

RECENT FINDINGS: A recent meta-analysis shows utility for troponin in monitoring patients at risk for CTRC during cancer therapy. The role for natriuretic peptides is less clear but may be useful in …


The Menin Inhibitor Revumenib In Kmt2a-Rearranged Or Npm1-Mutant Leukaemia, Ghayas C Issa, John Dipersio, Shalini Shenoy, Et Al. Mar 2023

The Menin Inhibitor Revumenib In Kmt2a-Rearranged Or Npm1-Mutant Leukaemia, Ghayas C Issa, John Dipersio, Shalini Shenoy, Et Al.

2020-Current year OA Pubs

Targeting critical epigenetic regulators reverses aberrant transcription in cancer, thereby restoring normal tissue function