Pharmaceutical preparations, namely, an LH-RH agonist preparation for use in the treatment of cancer; implantable drug delivery systems comprised of an impermeable reservoir, a piston, a water-swellable agent formulation, an LH-RH agonist formulation, a semi-permeable plug, and a back-diffusion regulating outlet for use in the treatment of cancer

Pharmaceutical preparations, namely, an LH-RH agonist preparations for use in the treatment of cancer; implantable drug delivery systems comprised of an impermeable reservoir, a piston, a water-swellable agent formulation, an LH-RH agonist formulation, a semi-permeable plug, and a back-diffusion regulating outlet for use in the treatment of cancer