An experimental "vaccine" for celiac disease is set to be tested in a new clinical trial to see if the treatment can protect patients with the condition from the effects of eating gluten — or, in other words, allow those patients to eat gluten safely.

The treatment, called Nexvax2 and made by the biotech company ImmusanT Inc., is a type of immunotherapy that aims to "reprogram" the immune system to be tolerant of gluten, the researchers said.

Celiac disease is a condition in which people's immune systems react abnormally to gluten — a protein found in wheat, rye and barley — and this reaction damages the lining of the small intestine. The condition affects about 1 out of every 100 people in the United States.

Currently, the only way to manage ...