Hi Stute
Sorry I haven't caught up with you until today. As Steff said, I am on Byetta and started on 4th Oct 2009, so 5 months down the line soon! Well done on your weight loss- maybe you can share some tips! I assume your doctor wants to get you off insulin and that is why he is offering Byetta? It is often offered alongside meds like Metformin but your team will obviously discuss this with you.
I was diagnosed as T2 about 9 years ago and on 6 x 500 Metformin by last Oct but not controlling my bloods very well- hba1c levels had been around 10 for a couple of years but rose to 13 at the end of last year so it was suggested I try Byetta. I am very overweight and my team felt that any of the other available meds could make me gain weight, so this seemed a sensible option.
How it works: As RachelT said, the Byetta works on the pancreas it's job is to stimulate the pancreas to release insulin as a response to eating meals, thus making it available when the body needs it and as the blood sugars lower, it reduces the release of insulin. This more appropriate use of the body’s insulin gives better control, lessening the highs and lows which can be experienced by diabetes sufferers. The other benefit to the way this drug works is that because if slows down the digestion of the food in the stomach, the appetite is suppressed and thus discourages the user to over eat.
Bloods: My levels dropped really quickly once I started on the Byetta - my first hba1c since starting was 7.2 - not due another for a couple of months but I am testing a few times each week and this week my average has been about 6.5 which I am very pleased with. My DSN says she is happy for me to stay around 7.2 but I hope to shave a few more points off
Weight: I lost about 1 1/2 stone quite quickly - this is common for people starting on Byetta, partly due to the sickness and partly because of the way it works- I am losing one to 2 pounds a week without starving myself but am now at a point where I need to make some adjustments to my diet I think - have a meeting with the DSN on Thursday. Weight loss has always been a major problem for me but we wanted to get the bloods right first! I do still feel fuller for longer but I have to watch the old "comfort" eating!
Side effects: Saved the best till last
Don't be put off by the rumours - it is true that nausea is a very common side effect when starting on Byetta - it is unpleasant but in most cases this passes in a week or two - it may return for a few days when you up the dosage from 5 to 10mcg, which is usually after the first month. However if you do suffer badly with the sickness, you may be kept on the lower dose. The other side effect which I had was overwhelming tiredness - I slept a lot in the first few days, especially after lunch. I don't work but if you do, I would suggest to discuss the possibilty of time off if you experience this. Again this passes in a week or two -well it did with me. There are a few things which can help with the sickness- ginger helped me and cider vinegar in warm water-also took a pack of mints if I went out- sugar free of course!
Dosing: This will be a doddle for you! You inject twice a day, up to an hour before meals- they suggest breakfast and dinner in the evening as you must leave 6 hours between doses. You can inject just before your meal but I find 30 mins is about right for me. You must eat within an hour of injecting or you could be very sick so just be aware of the time - again, I expect you are used to this sort of regime? You get a pen with 30 days worth of doses which you dispose of 30 days after starting it, even if there is Byetta left in the pen. The unused pens should be kept in the fridge but once started, they should be kept cool but no need to keep it in the fridge. I made the mistake of leaving mine in our lounge and when the heating came on I got tiny bubbles in the pen-moved it to the downstairs loo which is quite chilly and it is very happy in there!
I hope this covers the basics for you but please feel free to ask if there is anything I have missed - I get great support from my team but there is always something you think of after you leave the surgery
Best of luck if you do go on this and let us know how it goes - pm me at any time