J&J Hasn't Given Up
On Sex Pill for Men
(July 6, 2007) -- In the hunt for a new sex pill for men, Johnson &
Johnson is trying again.
The health-products giant hasn't given up on what it hopes will become
the first drug approved for
premature ejaculation, even though the U.S. Food and Drug Administration
rejected it in 2005. Regulators questioned whether helping men last longer
during sex was a clear medical benefit, and may have had concerns about side
effects of the drug, dapoxetine. Other companies -- including Pfizer Inc.,
the maker of
Viagra -- have scrapped experimental drugs for the condition since the
FDA's thumbs down for J&J's.
Now, J&J will test its luck with dapoxetine outside the U.S. The New
Brunswick, N.J., company plans to file for regulatory approval of the drug
in Europe and Canada later this year, having completed additional patient
studies since 2005 that J&J says demonstrate dapoxetine's safety and
effectiveness. J&J hasn't ruled out a second try for FDA approval to sell
the drug to American men.
Doctors say demand for such a drug would be strong because about 20% to
30% of men lack control over ejaculation and reach climax sooner than they
would like. While hardly a life-threatening disease, premature ejaculation
can cause
emotional distress for men and their partners.
"If it's bothering a patient and I can give him a way to improve his
quality of life, I'm all for it," says Christopher Saigal, assistant
professor of urology at UCLA's medical school, who has no financial ties to
J&J.
If J&J is successful, dapoxetine could generate world-wide sales of $600
million by 2011, according to Morgan Stanley, assuming the drug goes on sale
outside the U.S. in 2008 and in the U.S. in 2009. Market watchers expect J&J
to price dapoxetine in the range of Pfizer's anti-impotence drug Viagra,
which sells for more than $10 per pill on online pharmacy drugstore.com. J&J
hasn't said what it plans to charge for dapoxetine if it reaches the market.
J&J wouldn't be the only drug maker to benefit if dapoxetine makes it to
pharmacy shelves. It licensed the compound from Pharmaceutical Product
Development Inc., which had previously licensed it from Eli Lilly & Co. Both
companies would stand to collect royalties from any sales of the drug.
But hurdles remain, including the concerns that led the FDA to reject the
drug in the first place. The FDA has a policy of not commenting publicly on
its reasons for rejecting proposed drugs. But a J&J research executive, Paul
Stoffels, told reporters last month the agency may not have viewed premature
ejaculation as a "real indication," and questioned whether dapoxetine's
effect of delaying ejaculation was "a clinical relevant benefit to the
patient."
Analysts have suggested the FDA had concerns about side effects and
safety. Studies have shown dapoxetine to be associated with nausea and
momentary loss of consciousness. Such side effects might continue to be an
obstacle for regulatory approval.
But J&J continues to pursue the drug because it views premature
ejaculation as a huge, untapped market. Currently, the condition is
sometimes treated with a type of
antidepressant known as a
selective serotonin reuptake inhibitor, or SSRI, such as GlaxoSmithKline
PLC's
Paxil and Pfizer's
Zoloft, although they aren't approved by the FDA for this use.
Urologists also recommend certain behavioral techniques and topical
ointments to help delay ejaculation.
J&J's dapoxetine is also an SSRI. But unlike those approved to treat
depression, dapoxetine is short-acting and designed to be taken "on demand,"
perhaps an hour or two before a man expects to have sex. For
depression, SSRIs are usually taken once a day and stay in the body
longer.
Dapoxetine was tested in men who, on average, had been ejaculating about
one minute after the start of intercourse, as measured by their partners
with stopwatches. Some doctors say a normal range is between three and seven
minutes.
In studies, after 12 weeks of treatment, the time until ejaculation
increased to about three to four minutes among men taking two different
doses of dapoxetine, compared with less than two minutes for those on a fake
pill. J&J also said studies showed dapoxetine improved control and
satisfaction with sex.
Will a delay of two to three minutes be enough to satisfy men and their
partners? Maybe not. In a survey of 102 men with premature ejaculation
conducted by research firm Decision Resources in 2005, more than 80% of men
said the optimum increase in time to ejaculation would be at least six
minutes -- out of range of dapoxetine's average benefit. However, some 47%
indicated they would consider using a treatment if it provided a minimum
increase of two to five minutes, suggesting some might consider dapoxetine.
One 34-year-old man with premature ejaculation said he would welcome a
drug like dapoxetine. The Decatur, Ill., man said in an interview his
premature ejaculation has been a "major downfall" for him and his wife
during their 12-year marriage. The father of two has tried an antidepressant
but it hasn't helped much. "If the drug does what it's supposed to do and
helps me, which in turn helps my marriage, then sure," said the man, whose
identity is being withheld to spare him and his family potential
embarrassment.
J&J conducted two trials of dapoxetine in the U.S., which were included
in the FDA application that was rejected in 2005. Since then it has
completed additional trials in Europe and Asia, bringing the total number of
men tested to about 5,000. Stoffels, the J&J research executive, said the
new studies "confirmed the safety and efficacy profile" of dapoxetine. He
said the drug was well-tolerated and side effects were mild to moderate.
Another potential concern for dapoxetine, however, is that existing SSRIs
have been linked to a higher risk of suicidal thinking and behavior in
children and adolescents with depression. J&J hasn't reported any signs of a
similar effect with dapoxetine, and the drug was studied in men older than
18 years.
Even if J&J can convince regulators to approve dapoxetine, it won't be
simple to market or to convince insurance plans to pay for it. To be sure,
the trail for a drug like dapoxetine was blazed by Viagra nearly a decade
ago. Viagra's success proved that a drug maker, helped by heavy consumer
advertising, could convince people to view an embarrassing, once-taboo
condition as a disease in need of treatment.
But Viagra also sparked a backlash against consumer marketing for
sexual-dysfunction treatments. Critics have said TV spots for Viagra and its
rival drugs have promoted irresponsible use and were inappropriately shown
during family entertainment.
J&J may have to take a gentler approach to marketing dapoxetine even in
the U.S., which permits TV drug ads unlike most other countries. For one
thing, it might be difficult to convey the condition and the treatment in a
30-second TV spot, said Mark Bard, head of Manhattan Research, a health-care
market research firm. The 2005 Decision Resources survey showed that most
men preferred to receive information about treatments from their doctors,
and TV ads were "low on the scale," said Dancella Fernandes, a Decision
analyst.
National health plans in Europe might resist paying for a
lifestyle drug like dapoxetine, at least initially, Ms. Fernandes said. If
the drug makes it to the U.S., it could take time to convince private
insurers to cover it. A 2005 Decision Resources survey of U.S. private
drug-plan directors found a majority said they wouldn't add dapoxetine to
their list of preferred drugs, for which out-of-pocket costs to members are
lower. However, Ms. Fernandes suggested insurers might gradually cover such
a drug over time.
By: Peter Loftus
Source: Wall Street Journal
Last updated: 07/07
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