EvaMist

Treatment for Postmenopausal Symptoms

Update: Evamist Now FDA Approved - July 27, 2007

VIVUS Submits New Drug Application With U.S. Food and Drug Administration for EvaMist

MOUNTAIN VIEW, Calif., October 2, 2006 -- VIVUS, Inc. , a pharmaceutical company dedicated to the development and commercialization of novel therapeutic products addressing obesity and sexual health, today announced that the company has submitted a New Drug Application (NDA) with the U.S. Food and Drug Administration (FDA) for its investigational estradiol drug, EvaMist, being developed for the treatment of vasomotor symptoms associated with menopause.

VIVUS announced positive results from its pivotal Phase 3 clinical trial of EvaMist earlier this year. The study showed a statistically significant reduction in the number and severity of moderate and severe hot flashes for all three doses tested.

EvaMist is a novel, once a day proprietary, first-in-class, transdermal spray that delivers estradiol, a naturally occurring estrogen, for the treatment of hot flashes in women. EvaMist is a small, hand-held, simple-to- use spray that is designed to provide an easy and convenient means to deliver a preset dose of estradiol via the skin. EvaMist is fast drying, non- irritating and invisible after application. Studies have shown that once administered, EvaMist's formulation is not affected by washing and does not transfer to other people. EvaMist is easily administered as one, two or three sprays.

"Clinical results for EvaMist have been impressive, and we are eager to bring this highly effective, lose dose, next-generation therapy to the significant population of women suffering with hot flashes," stated Leland F. Wilson, president and chief executive officer for VIVUS.

VIVUS' Phase 3 study assessed the safety and efficacy of EvaMist for the treatment of hot flashes in menopausal women. The Phase 3 trial, which was conducted at 43 clinical sites in the United States, was a 12-week, randomized, double-blind, placebo controlled study of 454 menopausal women. Patients were randomized into three treatment arms each administering a different dose with one, two or three sprays. This study was conducted under a Special Protocol Assessment (SPA) from the FDA. Results showed that EvaMist decreased the number of hot flashes by 78%, from 10.8 hot flashes per day at baseline to 2.3 hot flashes after treatment. This decrease was statistically significant compared to placebo (p<0.0001). The reduction in frequency and severity of moderate to severe hot flashes was statistically significant over placebo for all three doses of EvaMist evaluated. Importantly, application site irritation was 1.5% and was typically mild in nature.

About EvaMist

VIVUS believes EvaMist may offer significant advantages over oral, gel and patch hormone replacement products. EvaMist is a small, hand-held, simple to use spray that is designed to provide an easy and convenient means to deliver a preset dose of estradiol via the skin. EvaMist is placed gently against the skin and an actuator button is pushed, releasing a light spray containing a proprietary formulation of estradiol. Estradiol is released into the blood stream on a sustained basis over 24 hours. EvaMist is fast drying, non- irritating and invisible after application.

About Menopause

Approximately two million American women turn 50 each year. Women naturally enter into menopause usually between the ages of 45 and 55; however, surgical menopause may happen at any age. Menopausal symptoms occur when the ovaries stop producing estrogen. Symptoms include hot flashes, discomfort or pain during sexual intercourse due to vaginal atrophy (thinning of the vagina), and changes in skin and hair.

Source: VIVUS, Inc.

Posted: October 2006

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