Any Epilim takers trying to lose weight?

I have Epilim (twice daily - 500mg) for my Epilepsy. Since starting it 15 years ago, I have gradually put on weight. The doc had concerns before i started it as i said i didn't want to put on weight, and epilim is known for having this effect. I presume it isn't the drug itself, but the effects of it on 'my brain/appetite'. But anyway, I have gradually doubled my original weight and now am trying to shift. I lose 8-10lbs, then get stuck. As I am now.
Obviously i am not trying to say it is the drug doing this, as ultimately i am responsible for what i consume. I realise that i let it go and now i need to rein it back in. I am working out, trying to eat relatively well most of the time. I have noticed myself starting to slip a little, and then i just rein myself back in. This new relationship with food as fuel, rather than reward, is helping me make better decisions and have less rubbish. I am happy with my progress so far, but i appear to be a little stuck. I know it will move eventually, but i just wanted to know if anyone else takes the drug and has any stories to tell, or hints with weight-loss and being on it.