Publications by authors named "B Kreider"

Although mental health conditions are known to be associated with socioeconomic hardships, their causal effects remain largely unexplored. Using a sample of low-income families in the National Health Interview Survey (NHIS), we assess causal effects of serious mental illness (SMI) and related mental health conditions on family food security. We apply partial identification methods to account for fundamental endogeneity and measurement identification problems in a unified framework.

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Article Synopsis
  • Ulixertinib is a new oral drug that inhibits ERK and has shown promise for patients with RAS-mutant cancers in earlier trials.
  • A phase Ib trial was conducted to assess the safety and effectiveness of combining ulixertinib with gemcitabine and nab-paclitaxel for patients with untreated metastatic pancreatic cancer, focusing on determining the recommended dose and evaluating various health outcomes.
  • The trial faced challenges, leading to a dose reduction of ulixertinib due to side effects, and although some patients showed partial responses, the high occurrence of adverse events resulted in the study being prematurely terminated.
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As the mitogen-activated protein kinase (MAPK) signalling pathway is activated in many paediatric cancers, it is an important therapeutic target. Currently, a range of targeted MAPK pathway inhibitors are being developed in adults. However, MAPK signals through many cascades and feedback loops and perturbing the MAPK pathway may have substantial influence on other pathways as well as normal development.

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Background: Pediatric low-grade gliomas (pLGG) are the most common pediatric central nervous system tumors, with driving alterations typically occurring in the MAPK pathway. The ERK1/2 inhibitor ulixertinib (BVD-523) has shown promising responses in adult patients with mitogen-activated protein kinase (MAPK)-driven solid tumors.

Methods: We investigated the antitumoral activity of ulixertinib monotherapy as well as in combination with MEK inhibitors (MEKi), BH3-mimetics, or chemotherapy in pLGG.

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Purpose: Intratumorally injected -NT (nontoxic; lacking the alpha toxin), an attenuated strain of , replicates within hypoxic tumor regions resulting in tumor-confined cell lysis and inflammatory response in animals, which warrants clinical investigation.

Patients And Methods: This first-in-human study (NCT01924689) enrolled patients with injectable, treatment-refractory solid tumors to receive a single intratumoral injection of -NT across 6 dose cohorts (1 × 10 to 3 × 10 spores, 3+3 dose-escalation design) to determine dose-limiting toxicities (DLT), and the maximum tolerated dose.

Results: Among 24 patients, a single intratumoral injection of -NT led to bacterial spores germination and the resultant lysis of injected tumor masses in 10 patients (42%) across all doses.

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