Swanson ended up buying three Premarin foals, and her career as a horse rescuer was launched.
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Now, another WHI study, examining the risks and benefits of Premarin, has been stopped a year ahead of time.
Taking Premarin for seven years seems to have increased the risk of stroke and decreased the risk of hip fracture.
Premarin differs from Prempro and Premphase in that it contains only estrogen, rather than a combination of estrogens and progesterone.
Nevertheless, that study, as far as I know, only evaluated patients taking just the, you know, the classic Prempro or Premarin kinds of drugs.
Sales of Premarin and Prempro have slowed since a large government-run study testing Prempro was halted because it found that the medicine increased the risk of breast cancer.
In a note to investors, he said one cause appeared to be that many women were dropping out of the Premarin trial, which could undermine its statistical significance.
In the early 1990s, as executive vice president of American Home Products, he helped devise a strategy to defend the firm's Premarin hormone-replacement therapy--derived from pregnant mares' urine--against generic competition.
In a report last week, Tim Anderson, a sell-side analyst at Prudential Equities group, predicted that the Premarin trial would be ending early (see " Wyeth's Premarin Trial Seen Ending Early").
In the early 1990s, as executive vice president of American Home Products, he helped devise a strategy to fend off the firm's Premarin hormone-replacement therapy--derived from pregnant mares' urine--from generic competition.
For instance, American Home Products (nyse: AHP - news - people) makes the Premarin family of estrogen supplements, the most prescribed drugs in the U.S., according to IMS Health.
Judith Hsia , a cardiologist at George Washington University who was one of the principal investigators in the WHI study, expressed surprise that Wyeth had also chosen to add a warning to the label of Premarin.
He left Wyeth after protecting the hormone drug Premarin from generics (by arguing that hormone drugs are too tricky to knock off) but before Premarin turned out to be a mixed blessing for the women taking it.
As an execuitive vice president at American Home Products , now called Wyeth (nyse: WYE - news - people ), Hassan helped hatch a plan that protects Premarin, a hormone replacement therapy, from generic competition on the grounds that its formula is too distinct to easily copy.
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