Theophylline reduces the response to nasal challenge with antigen.
Naclerio RM, Bartenfelder D, Proud D, Togias AG, Meyers DA, Kagey-Sobotka A, Norman PS, Lichtenstein LM. Theophylline reduces the response to nasal challenge with antigen. Am J Med. 1985 Dec 20; 79(6A):43-7.