The primary objective of this study is to compare the 2-hour PPBG excursion following a standard test meal in IDDM patients treated BID with human insulin mix 50/50, vs the 2-hour PPBG excursion in patients treated BID with insulin lispro mix 50/50 [clinicaltrials_resource:05a4eb5987d6717bc879401d0328d2e3]

The primary objective of this study is to compare the 2-hour PPBG excursion following a standard test meal in IDDM patients treated BID with human insulin mix 50/50, vs the 2-hour PPBG excursion in patients treated BID with insulin lispro mix 50/50 [clinicaltrials_resource:05a4eb5987d6717bc879401d0328d2e3]