receptor fusion protein
Etanercept, a       bioengineered soluble receptor fusion protein that blocks tumor necrosis factor       activity, is the first compound in this class to be approved for treatment of       patients with refractory rheumatoid arthritis.
Etanercept, a       bioengineered soluble  @SUBJECT$  that  @PREDICAT$   @OBJECT$        activity, is the first compound in this class to be approved for treatment of       patients with refractory rheumatoid arthritis.