The drug is specifically aimed at men who experience impotence (erectile dysfunction).
It is not the same as Viagra. Called PT-141, it does not target the symptoms of impotence. Rather, it increases the man's libido - sex drive.
The drug should be administered 30 minutes before sex. The person sprays it into his nose.
It is a copy of melanocyte-stimulating hormone.
In clinical trials, researchers say it has been effective in 70% of volunteers.
If all goes according to plan this drug should be on the market in the year 2008.
Plans are also in the pipeline to experiment with a cocktail that would include Viagra and PT-141. This may help men who do not respond to any treatment available today.
The manufacturers also said that they are planning to test a new drug that may increase a woman's sex drive.
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For further information please visit Palatin Technologies.