N Concordance 1 es immunotherapy or biological response modifiers (BRMs), uses the body's natura 2 ies like the use of biological response modifiers to reduce normal-tissue toxici 3 used interferons as biological response modifiers. Interferons are glycoproteins 4 eron-gamma, another biological response modifier, which, in turn, augments the 5 d uses a variety of biological response modifiers and activated immune cells. 6 erferon. This is a biological response modifier, produced by several different 7 onsive to microbial biological response modifiers (BRM). Although much attention 8 ha1 is considered a biological response modifier which amplifies T-cell immunity 9 be ineffective as a biological response modifier after major surgery or trauma. 10 a hypothesis that a biological response modifier, interferon-alpha-2b (IFN), whe