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The plaintiffs in the Effexor XR case have challenged a patent settlement agreement between drug manufacturers Wyeth and Teva Pharmaceuticals, alleging that Teva agreed to delay introduction of its generic version of Wyeth's blockbuster antidepressant drug Effexor XR until July 1, 2010, and that Wyeth agreed not to market an authorized generic version of Effexor XR for a period of time.
According to CVS and Rite Aid's suit, Pfizer's Wyeth unit schemed with Teva, a generic manufacturer, to prevent other generic versions of Effexor XR from reaching store shelves for at least two years after its exclusive marketing rights to the drug expired in June 2008.
5 mg (base), 75 mg (base) and 150 mg (base), the generic version of Wyeth's Effexor XR Capsules.
For example, the American Academy of Family Physicians has issued a fact sheet for patients and providers on Antidepressant Discontinuation Syndrome--yet, lists only Zoloft and Paxil by name, and fails to mention Effexor at all.
Researchers found little difference in mildly depressed patients who took the antidepressants Prozac, Effexor, Serzone and Seroxat/Paxil and those who took a dummy pill, or placebo.
Researchers used Freedom of Information laws to analysis American data on modern anti-depressants such as Prozac, Effexor and Seroxat.
The Food and Drug Administration has warned Wyeth Pharmaceuticals that a journal ad for Effexor XR (venlafaxine) was misleading because it overstated the drug's efficacy, made unsubstantiated superiority claims, and minimized its risks.
Tanton identifies some 374 different mental conditions that were given definition to justify the use of Prozac, Paxil, Zoloft, Celexa, Wellbutrin, Zyban, Remeron, Serzone, Effexor, Buspar, Risperdal, Zyprexa, Seroquel, Geodon, Depakote, and Adderall.
Following Teva's submission of an ANDA (Abbreviated New Drug Application) for generic extended release venlafaxine capsules (equivalent of Wyeth's Effexor XR), Wyeth claimed for infringement of three of their patents.
Q I HAVE been taking Effexor for about three weeks.
Moving through the cat "tox" list, number 10 is amphetamines (prescribed for humans) and nine is anticoagulant rodenticides (for mice and rats), while number three is the antidepressant (for humans) venlafaxine, which is marketed as Effexor.
Drugmaker Wyeth on Friday reported a 4 percent increase in first-quarter profit, citing tight cost controls and big jumps in sales for five blockbuster drugs, including Effexor, the world's top-selling antidepressant.