I started Vimpat at the beginning of this year. I've tried a boatload of AEDs prior to this, and was on Carbatrol and low doses of Zonegran and Klonopin when I began Vimpat. I went super duper slow with it- started with 25 mg./day and moved up weekly by the same amount. I would say that once I reached 75 mg, I saw some differences- my activity came to a complete stop for about a month, and I never experienced any side effects. Normally I would say that a month is too short to tell in my case, but even though my serious seizure activity can be spread out, I have a ton of tiny SPS during the day every day these days- almost unrecognizable activity, but I've come to recognize when my brain is misfiring. It's like having auras a few times a day, but they rarely result in anything else. And that activity disappeared for that month.
So, I had that honeymoon phase with it, and then I had a harsh Complex Partial (which I rarely ever have,) that knocked me on my ass for a week or so- I had severe interictal depression, something I've never felt before. I can't say this had anything to do with the drug, but it certainly was bizarre, and there weren't a lot of changing variables. Perhaps this would have been a grand mal without it, who knows? Maybe that drug was actually helping me. I still don't have answers for that.
After that CPS, the daily activity returned, but (knock on wood), it's been taken down a notch, is more than manageable (not that it ever wasn't, but it's less of an annoyance now an more just...there), and I haven't had any other activity except those auras. I weaned off of the Zonegran recently, so I'm currently on a relatively high dose of Carbatrol (been on that for YEARS), 250 mg of Vimpat per day, and a tiny dose of Klonopin as well.
Again, I can't say that I've noticed any side effects from the Vimpat, which is nice because, in my adult life, side effects from drugs have been hitting me pretty hard, as opposed to when I was a kid and these drugs didn't seem to impose any side effects upon me at all.
You mention that functional cognitive ability is key because of your studies. I definitely feel like my brain isn't what it used to be, especially in the verbal communication arena (losing words constantly), and I'm only 27, but I suspect that's a mix of the temporal lobe epilepsy and the side effects of Zonegran (mostly the side effects of Zonegran) and not the Vimpat. I can't say for sure, but I'm hoping things improve now that I'm off Zonegran. Who knows? Maybe I'm just not as smart as I thought I was and I'm trying to blame the drugs
Obviously it's hard to tell how each person is going to react to a drug, but I guess I'm hoping that my story will help you not be too nervous about trying Vimpat. It's been a great drug for many people. It's still too early for me to tell whether or not it's the "miracle" drug for me, but I don't have any complaints. My suggestion would be to go slowly with it, if you have that luxury- that might help any potential side effects.
Good luck! (with both the medicine and your dissertation.)
