Sanjay Salgado, MD, Walter W. Chan, MD, PhD, and colleagues recently found no correlation between suspected laryngopharyngeal reflux symptoms and hypopharyngeal–esophageal multichannel intraluminal impedance–pH (HEMII-pH) results.

Giovanni Traverso, MD, PhD, MBBCH, of Brigham and Women’s Hospital and MIT, and colleagues have incorporated CO into gas-entrapping materials (GEMs) that can be delivered safely to the digestive tract.

Ameya Kirtane, PhD, and Giovanni Traverso MD, PhD, MBBCH, and colleagues have developed oleogels—gels made from food-based oils—that can be used to deliver drugs to children. They report oleogels may perform similarly to or better than commercial tablets.