Publications by authors named "Nathan Demars"

Background: Veledimex (VDX)-regulatable interleukin-12 (IL-12) gene therapy in recurrent glioblastoma (rGBM) was reported to show tumor infiltration of CD8+ T cells, encouraging survival, but also up-regulation of immune checkpoint signaling, providing the rationale for a combination trial with immune checkpoint inhibition.

Methods: An open-label, multi-institutional, dose-escalation phase I trial in rGBM subjects (NCT03636477) accrued 21 subjects in 3 dose-escalating cohorts: (1) neoadjuvant then ongoing nivolumab (1mg/kg) and VDX (10 mg) (n = 3); (2) neoadjuvant then ongoing nivolumab (3 mg/kg) and VDX (10 mg) (n = 3); and (3) neoadjuvant then ongoing nivolumab (3 mg/kg) and VDX (20 mg) (n = 15). Nivolumab was administered 7 (±3) days before resection of the rGBM followed by peritumoral injection of IL-12 gene therapy.

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Human interleukin-12 (hIL-12) is a cytokine with anticancer activity, but its systemic application is limited by toxic inflammatory responses. We assessed the safety and biological effects of an hIL-12 gene, transcriptionally regulated by an oral activator. A multicenter phase 1 dose-escalation trial (NCT02026271) treated 31 patients undergoing resection of recurrent high-grade glioma.

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Article Synopsis
  • Advances in cystic fibrosis (CF) treatment have complicated care regimens, creating challenges in self-management, especially for adolescents and their parents.
  • The study involved interviews with 18 youth with CF and their parents to explore adherence barriers and facilitators related to daily treatment routines.
  • Key barriers included time constraints and lack of perceived consequences for non-adherence, while facilitators involved understanding treatment importance, building relationships with care teams, and transitioning responsibilities from parents to adolescents.
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Purpose: We sought to examine the employment experiences in a population of adolescents and young adults with cystic fibrosis (CF).

Methods: We administered a cross-sectional survey to 68 individuals with CF, ages 16-25 years, assessing current employment experiences and perceptions of the impact of CF on these experiences.

Results: Forty-six percent of respondents reported working < 20 h per week.

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Objective: The aim of this study was to develop the Transition Readiness Assessment Questionnaire (TRAQ), a measure of readiness for transition from pediatric to adult healthcare for youth with special health care needs (YSHCN).

Methods: We administered TRAQ to 192 YSHCN aged 16-26 years in three primary diagnostic categories, conducted factor analysis, and assessed differences in TRAQ scores by age, gender, race, and primary diagnosis type.

Results: Factor analysis identified two TRAQ domains with high internal consistency: Skills for Self-Management and Skills for Self-Advocacy.

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