title: Need stable diabetics mix their insulins?
abstract: Ten insulin-dependent diabetics taking twice-daily mixtures of soluble and isophane insulin were studied in a double-blind crossover trial to examine the effect on their glycaemic control of a fixed-mixture preparation (containing either 50% soluble, 50% isophane or 30% soluble, 70% isophane) given in the same total dose as each patient's usual mixture. The mean (+/- S.E.M.) of eight daily blood glucose determinations when the patients' usual mixtures were pre-mixed by the hospital pharmacy was 7.6 +/- 0.7 mmol/l, 7.8 +/- 0.8 mmol/l when the fixed-mixture preparation was used and 8.0 +/- 0.5 mmol/l when the patients drew up and mixed the insulins themselves. Individual glucose profiles on each of the three regimens expressed as mean modified log 'M' indices were 1.26 +/- 0.14, 1.29 +/- 0.16 and 1.37 +/- 0.14, respectively. Thus, the patients studied were as well controlled on a fixed-mixture preparation as on their usual 'tailormade' insulin regimens.
mesh_terms: D000328:Adult; D001786:Blood Glucose / Q000032:analysis; D002986:Clinical Trials as Topic; D003922:Diabetes Mellitus, Type 1 / Q000188:drug therapy*; D004311:Double-Blind Method; D004338:Drug Combinations; D005260:Female; D006801:Humans; D007328:Insulin / Q000627:therapeutic use*; D007336:Insulin, Isophane / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D011897:Random Allocation
chemical_list: D001786:Blood Glucose; D004338:Drug Combinations; D007328:Insulin; D007336:Insulin, Isophane