Pristiq's under-the-radar clinical trials

News stories on Wyeth’s Pristiq, Effexor’s “knockoff”, have focused on the drug’s uses that are pending FDA-approval: vasomotor symptoms accompanying menopause (see hot flashes) and depression. (“Knockoff” term courtesy of CLPsych.) The major media has failed to pick up on Wyeth’s Phase III clinical trials to use Pristiq for fibromyalgia and neuropathic pain (injured tissue or damaged nerve fibers) in diabetics. A search for Pristiq on Wyeth’s Web site yields no results. Desvenlafaxine yields two very meager results.

In related matters, bifeprunox is pending FDA-approval for the use of schizophrenia and is still in Phase III for use of bipolar disorder. They are also in Phase III of testing Lybrex (levonorgestrel) for use for Premenstrual Dysmorphic Disorder in addition to the drug functioning as an oral contraceptive. (I’ll be honest; I had NO clue that diagnosis existed.) In any event, I’ve been misdiagnosed because according to the symptoms, I qualify. I think I also qualify for OOPS – Overdiagnosed and Overmedicated Patient Syndrome.

I’d like expound on Wyeth’s Learn and Confirm phase that’s supposed to replace Phase I and II of clinical trials. It sounds like a speedier way to just get drugs to Phase III of clin. trials, but it’s late and I’m working on something else, so I’ll save that for another day.

Also something to tackle in the future: All these interesting clinical trial results for Effexor XR involving depression and GAD. We’ll see…

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Mood: 6.5

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1 Comment

  1. CL Psy said,

    March 4, 2007 at 1:32 pm

    Thanks for the comments on my site recently and also thanks for following the Pristiq story — you’ve done nice work as the leader on the Pristiq stuff.


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