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Testosterone product aimed at young females with low sex drive
MELBOURNE - Young women with low libido had good sex more often after using a testosterone spray, Australian researchers said on Thursday.

The spray, designed by Australian group Acrux Ltd. and being developed by U.S.-based Vivus Inc., has previously worked on women who have passed menopause, who typically have low testosterone.

However, investigators said the company may be able to win approval for its product more easily by targeting young women, where the spray would take testosterone back to normal levels.

?This is a very different ball game. It?s a different market,? said head investigator Susan Davis, the chair of women?s health at Monash University.

There is no treatment to help women with low sex drive, and analysts have estimated a successful therapy could snare sales of more than $1 billion a year.

Amount of good sex doubled
Acrux?s MDTS spray was tested over four months in three different doses on 261 young women with low libido and low testosterone levels, comparing the number of satisfying sexual experiences they had in the final month against a baseline set a month before the trial.

Researchers found a statistically significant rise in the number of satisfying experiences at the end of the fourth month for women taking the second highest dose of the spray compared with a placebo.

?In the most effective treatment group, the number of satisfactory sexual events more than doubled at week 16, compared with the baseline,? Acrux said.