Sales of delayed delivery of pharmaceutically active peptides and production.

A method for preparing a pharmaceutical formulation, comprising a peptidic compound and carrier macromolecule, characterized by the steps of forming the free ions of both compounds by removing the counter ions; combining the ionic peptidic compound and the ionic carrier macromolecule under conditions such that a salt is formed peptidic compound and carrier macromolecule insoluble in water; and preparing a pharmaceutical formulation comprising the water insoluble salt.