Development of a pharmacodynamic biomarker of opioid antagonism in adolescents with eating disorders: Study protocol for the naltrexone neuroimaging randomized controlled trial (NN-RCT).

Eating disorders (ED) affect 5 % of youth, are associated with reward system alterations, and lead to substantial morbidity. Naltrexone, an opioid antagonist, is used to treat ED behaviors such as binge eating and purging. However, not all patients respond, and the optimal dose is unknown.

Neuroimaging as a Tool for Advancing Pediatric Psychopharmacology.

Neuroimaging, specifically magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS), and positron emission tomography (PET), plays an important role in improving the therapeutic landscape of pediatric neuropsychopharmacology by detecting target engagement, pathway modulation, and disease-related changes in the brain. This review provides a comprehensive update on the application of neuroimaging to detect neural effects of psychotropic medication in pediatrics. Additionally, we discuss opportunities and challenges for expanding the use of neuroimaging to advance pediatric neuropsychopharmacology.

Influence of vaccination route on the efficacy of Aujeszky's disease deletion-mutant vaccine.

In order to compare the effect of the route of immunization on the efficacy of a modified live Aujeszky's disease (AD) vaccine, which had deletions in both thymidine kinase (TK-) and glycoprotein gIII genes (gpIII-), 20 six-week-old pigs were vaccinated by either the intramuscular (IM) (n = 10) or subcutaneous (SC) (n = 10) route. All the animals, including five non-vaccinated control animals, were challenged with virulent AD virus 22 days after vaccination. Four of five non-vaccinated animals died within 12 days after challenge.