Phase I Trial of Concurrent Twice-Weekly Recombinant Human Interleukin-12 Plus Low-Dose IL-2 in Patients With Melanoma or Renal Cell Carcinoma

Abstract
Purpose: To maintain interferon gamma (IFNγ) induction by recombinant human interleukin-12 (rhIL-12) and enhance its activity against melanoma and renal cell cancer, a regimen of twice-weekly intravenous (IV) rhIL-12 was modified to include concurrent low-dose subcutaneous (SC) IL-2 in a phase I dose escalation study.