In a study conducted by the British Medical Journal, 88% of patients who failed to respond to PDE5-Inhibitors (Viagra, Cialis, Levitra) were successful with injection therapy. Additionally 48% of men who failed to respond to PDE5-inhibitors responded when used in conjunction with injection therapy.
The following year he released Graffiti Bridge (the sequel to Purple Rain), which turned out to be a considerable commercial disappointment. In 1991, Prince formed the New Power Generation, the best and most versatile and talented band he has ever assembled.
In 1991, Prince assembled a new band called, The New Power Generation with this band he would release singles such as Diamond And Pearls, Cream, and Gett Off. Prince eventually changed his stage name from Prince to a symbol, which lead people to call him, The Artist Formerly Known As Prince. Prince soon took back his old stage name. In the 1990s, Prince continued to release singles such as Came, The Gold Experience, Chaos And Disorder, and Emancipation.