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Insulin analogues (insulin detemir and insulin aspart) versus traditional human insulins (NPH insulin and regular human insulin) in basal-bolus therapy for patients with type 1 diabetes.

AIMS/HYPOTHESIS: The aim of the trial was to compare the efficacy and tolerability of two types of basal-bolus therapy, using either the soluble long-acting basal insulin analogue, insulin detemir, in combination with the rapid-acting analogue, insulin aspart, or NPH insulin in combination with mealtime regular human insulin. METHODS: In this 18-week, 1:1 randomised, open-labelled, parallel trial, 595 patients with Type 1 diabetes mellitus received insulin detemir or NPH insulin in the morning and at bedtime in combination with mealtime insulin aspart or regular human insulin respectively. RESULTS: Glycaemic control with insulin detemir/insulin aspart was improved in comparison with NPH insulin/regular human insulin (HbA1c: 7.88% vs 8.11%; mean difference: -0.22% point [95% CI: -0.34 to -0.10]; p<0.001). Self-measured 8-point plasma glucose profiles differed between the groups (p<0.001), with lower postprandial plasma glucose levels in the insulin detemir/insulin aspart group. Within-person day-to-day variation in plasma glucose was lower with insulin detemir/insulin aspart than with NPH insulin/regular human insulin (SD: 2.88 vs 3.12 mmol/l; p<0.001). Risk of overall and nocturnal hypoglycaemia (23.00-06.00 hours) was, respectively, 21% (p=0.036) and 55% (p<0.001) lower in the insulin detemir/insulin aspart group than in the NPH insulin/regular human insulin group. Body weight (adjusted for baseline and change in HbA1c) was 1 kg lower with insulin detemir/insulin aspart than with NPH insulin/regular human insulin (p<0.001). CONCLUSIONS/INTERPRETATION: Basal-bolus therapy using insulin detemir/insulin aspart offers a better balance of control and tolerability than with NPH insulin/regular human insulin. The low variability and more physiological action profiles generated with these insulin analogues resulted in improved glycaemic control with lower risk of hypoglycaemia and no concomitant body weight increase.

Adult↗

Insulin detemir and insulin aspart: a promising basal-bolus regimen for type 2 diabetes.

This trial compared the efficacy and safety of basal-bolus therapy using either the soluble basal insulin analogue insulin detemir (IDet) in combination with meal-time rapid-acting analogue insulin aspart (IAsp), or NPH insulin (NPH) in combination with meal-time regular human insulin (HSI). This was a 22-week, multinational, open-labelled, symmetrically randomised, parallel group trial including 395 people with type 2 diabetes (IDet + IAsp: 195, NPH + HSI: 200). At 22 weeks, HbA1c was comparable between treatments (IDet + IAsp: 7.46%, NPH + HSI: 7.52%, P = 0.515) with decreases from baseline of 0.65% and 0.58%, respectively. Treatment with IDet + IAsp was associated with a significantly lower within-person variation in self-measured fasting plasma glucose (FPG) (SD:1.20 versus 1.54 mmol/L, p < 0.001), as well as a lower body weight gain (0.51 versus 1.13 kg, p = 0.038) than with NPH + HSI. The risk of nocturnal hypoglycaemia was 38% lower with IDet + IAsp than with NPH + HSI, but statistical significance was not attained (P = 0.14). The overall safety profile was similar between the two treatments. Basal-bolus treatment with IDet + IAsp is an effective and well tolerated insulin regimen in people with type 2 diabetes, resulting in glycaemic control comparable to that of NPH + HSI, but with the advantages of less weight gain and a lower day-to-day within-person variation in FPG.

Adult↗

The 12-month efficacy and safety of insulin detemir and NPH insulin in basal-bolus therapy for the treatment of type 1 diabetes.

BACKGROUND: This trial compared the long-term safety and efficacy of the basal insulin preparations, insulin detemir and NPH insulin, in basal-bolus therapy for patients with type 1 diabetes. METHODS: This multinational open, parallel-group trial randomized patients to receive insulin detemir or NPH insulin twice daily in addition to mealtime human soluble insulin. Doses were titrated towards predefined glycemic targets. After an initial 6-month treatment period, patients were invited to participate in a 6-month extension period. A total of 289 from 421 elected to continue in the trial, of which 252 completed. RESULTS: Glycemic control as assessed by hemoglobin A1c (insulin detemir, 7.88%; NPH insulin, 7.78%; difference not significant) and fasting plasma glucose (insulin detemir, 10.1 mmol/L; NPH insulin, 9.84 mmol/L; difference not significant) was similar in both treatment groups at end point, with hemoglobin A1c little changed from baseline and fasting plasma glucose slightly decreased. There was some evidence for a risk reduction for hypoglycemia in association with insulin detemir, although this was not statistically significant (relative risk overall hypoglycemia, 0.71, P = 0.139; relative risk nocturnal hypoglycemia, 0.71, P = 0.067), and hypoglycemic events were fewer in each of the 12 months. There was a significant treatment difference with regard to weight outcome; NPH insulin was associated with weight gain (1.4 kg), but there was no mean weight gain (-0.3 kg) in the insulin detemir cohort (baseline-adjusted between-group difference at 12 months, 1.66 kg, P = 0.002). There were no obvious between-group differences in other safety parameters. CONCLUSIONS: Glycemic control is maintained with insulin detemir during long-term treatment. At equivalent glycemic control to NPH insulin, insulin detemir is associated with a lack of weight gain and a trend towards a reduced risk of nocturnal hypoglycemia when used in basal-bolus therapy with mealtime soluble human insulin.

Adult↗

Comparison of the soluble basal insulin analog insulin detemir with NPH insulin: a randomized open crossover trial in type 1 diabetic subjects on basal-bolus therapy.

OBJECTIVE: Insulin detemir (NN304) is a soluble basal insulin analog developed to cover basal insulin requirements. This trial aimed to compare the blood glucose-lowering effect of insulin detemir with that of NPH insulin (NPH) and to evaluate the two treatments with regard to intrasubject variation of fasting blood glucose, incidence of hypoglycemia, dose requirements, and safety. RESEARCH DESIGN AND METHODS: This multicenter open randomized crossover trial in 59 type 1 diabetic subjects comprised a 2-week run-in period on a basal-bolus regimen with NPH insulin once daily, followed by two 6-week periods of optimized basal-bolus therapy with either once-daily insulin detemir or NPH insulin. RESULTS: The area under the curve, in the time interval 23:00-8:00, derived from 24-h serum glucose profiles, was not statistically significantly different for the two treatment periods (insulin detemir:NPH ratio 89.2:83.5, P = 0.59). The intrasubject variation in fasting blood glucose during the last 4 days of treatment was lower for insulin detemir compared with NPH (P < 0.001). Mean dose requirements of insulin detemir were 2.35 times higher (95% CI 2.22-2.48) compared with NPH. During the last week of treatment, fewer subjects experienced hypoglycemic episodes on insulin detemir (60%) compared with NPH treatment (77%) (P = 0.049). CONCLUSIONS: Insulin detemir was as effective as NPH in maintaining glycemic control when administered at a higher molar dose. The results indicate that insulin detemir may provide more predictable fasting blood glucose with lower intrasubject variation and reduced risk of hypoglycemia compared with NPH.

Adolescent↗

A 26-week, randomized, parallel, treat-to-target trial comparing insulin detemir with NPH insulin as add-on therapy to oral glucose-lowering drugs in insulin-naive people with type 2 diabetes.

OBJECTIVE: To assess efficacy and tolerability of insulin detemir or NPH insulin added to oral therapy for type 2 diabetes in a treat-to-target titration protocol. RESEARCH DESIGN AND METHODS: Individuals (n = 476) with HbA(1c) (A1C) 7.5-10.0% were randomized to addition of twice-daily insulin detemir or NPH insulin in a parallel-group, multicenter trial. Over 24 weeks, insulin doses were titrated toward prebreakfast and predinner plasma glucose targets of < or =6.0 mmol/l (< or =108 mg/dl). Outcomes assessed included A1C, percentage achieving A1C < or =7.0%, risk of hypoglycemia, and body weight. RESULTS: At 24 weeks, A1C had decreased by 1.8 and 1.9% (from 8.6 to 6.8 and from 8.5 to 6.6%) for detemir and NPH, respectively (NS). In both groups, 70% of participants achieved an A1C </= 7.0%; [corrected] there was a trend towards [corrected] the proportion achieving this without hypoglycemia being [corrected] higher with insulin detemir than with NPH insulin (34% [corrected] vs. 25[corrected]%, P = 0.052[corrected]). Compared with NPH insulin, the risk for all hypoglycemia with insulin detemir was reduced by 47% (P < 0.001) and nocturnal hypoglycemia by 55% (P < 0.001). Mean weight gain was 1.2 kg with insulin detemir and 2.8 kg with NPH insulin (P < 0.001), and the difference in baseline-adjusted final weight was -1.58 (P < 0.001). CONCLUSIONS: Addition of basal insulin to oral drug therapy in people with suboptimal control of type 2 diabetes achieves guideline-recommended A1C values in most people with aggressive titration. Insulin detemir compared with NPH insulin achieves this with reduced hypoglycemia and less weight gain.

Administration, Oral↗

Comparison of the effects on glucose and lipid metabolism of equipotent doses of insulin detemir and NPH insulin with a 16-h euglycaemic clamp.

AIMS/HYPOTHESIS: The association of insulin detemir with non-esterified fatty acid binding sites on albumin may limit its transfer from the circulation into the extravascular extracellular space in adipose tissue and muscle, due to the capillary endothelial cell barrier. In the liver, the open sinusoids may expose hepatocytes to insulin detemir, enabling it to have a greater effect in the liver than in peripheral tissues. METHODS: We investigated the effects of equipotent doses of insulin detemir and NPH insulin on hepatic glucose rate of appearance (Ra), peripheral glucose rate of disposal (Rd) and glycerol Ra (a measure of lipolysis) using stable isotope techniques. We also investigated the effects of these insulins on NEFA concentrations in seven healthy volunteers during a 16-h euglycaemic clamp. A higher dose of insulin detemir was also studied. RESULTS: There was no difference in the glucose infusion profile between insulin detemir and NPH. Insulin detemir had a greater effect on mean suppression of glucose Ra (mean difference 0.24 mg kg(-1) min(-1); CI 0.09-0.39; p<0.01), and minimum glucose Ra, with minimum low dose detemir -0.10+/-0.15 mg.kg(-1).min(-1) and minimum NPH 0.17+/-0.10 mg.kg(-1).min(-1) (p<0.02). However, it had a lesser effect on mean suppression of NEFA concentrations (mean difference -0.10 mmol/l; CI -0.03 to -0.17; ANOVA, p<0.02) than NPH. The effect of insulin detemir on glucose Rd and glycerol Ra was not different from NPH. Following high-dose detemir, total glucose infused and maximum glucose Rd were higher (p<0.02, p<0.03) and plasma NEFA concentrations lower (p<0.01) than with low-dose determir. CONCLUSIONS/INTERPRETATION: This study suggests that insulin detemir, when compared to NPH insulin, has a greater effect on the liver than on peripheral tissues and thus has the potential to restore the physiological insulin gradient.

Blood Glucose↗

Lower within-subject variability of fasting blood glucose and reduced weight gain with insulin detemir compared to NPH insulin in patients with type 2 diabetes.

AIM: The aim of this study was to compare the efficacy and safety of a basal-bolus insulin regimen comprising either insulin detemir or neural protamine hagedorn (NPH) insulin in combination with mealtime insulin aspart in patients with type 2 diabetes. METHODS: This was a 26-week, multinational, open-label, parallel group trial with 505 patients with type 2 diabetes (mean age, 60.4 +/- 8.6 years; mean BMI, 30.4 +/- 5.3 kg/m(2); mean HbA(1c), 7.9 +/- 1.3%). Patients, randomized 2:1 to insulin detemir or NPH insulin, received basal insulin either once or twice daily according to their pretrial insulin treatment and insulin aspart at mealtimes. RESULTS: After 26 weeks of treatment, significant reductions in HbA(1c) were observed for insulin detemir (0.2%-points, p = 0.004) and NPH insulin (0.4%-points; p = 0.0001); HbA(1c) levels were comparable at study end (insulin detemir, 7.6%; NPH insulin, 7.5%). The number of basal insulin injections administered per day had no effect on HbA(1c) levels (p = 0.50). Nine-point self-measured blood glucose (SMBG) profiles were similar for the two treatment groups (p = 0.58), as were reductions in fasting plasma glucose (FPG) (insulin detemir, 0.5 mmol/l; NPH insulin, 0.6 mmol/l). At study end, FPG concentrations were similar for the two treatment groups (p = 0.66). By contrast, within-subject day-to-day variation in fasting SMBG was significantly lower with insulin detemir (p = 0.021). Moreover, patients receiving insulin detemir gained significantly less body weight than those who were administered NPH insulin (1.0 and 1.8 kg, respectively, p = 0.017). The frequency of adverse events and the risk of hypoglycaemia were comparable for the two treatment groups. CONCLUSIONS: Patients with type 2 diabetes, treated for 26 weeks with insulin detemir plus insulin aspart at mealtimes, experienced comparable glycaemic control but significantly lower within-subject variability and less weight gain compared to patients treated with NPH insulin and insulin aspart. Insulin detemir was well tolerated and had a similar safety profile to NPH insulin.

Aged↗

Time-action profile of insulin detemir and NPH insulin in patients with type 2 diabetes from different ethnic groups.

AIM: To evaluate the time-action profiles and the dose-response relationship of the long-acting insulin analogues insulin detemir (IDet) and NPH insulin (NPH) in type 2 diabetic patients belonging to different ethnic groups. METHODS: Forty-eight type 2 diabetic patients belonging to different ethnic groups (three groups of 16 African Americans (AA), 16 Hispanics/Latinos (HL) and 16 Caucasians) participated in this double-blind crossover trial. Each patient took part in six 16-h isoglycaemic glucose clamps (clamp target 7.2 mmol/l) and was randomly allocated to three doses (0.3, 0.6 and 1.2 (I)U/kg) of IDet and NPH, respectively. RESULTS: IDet and NPH showed comparable pharmacodynamic effects [the area under the glucose infusion rate curve (AUC(GIR 0-16 h)) (mg/kg)] in the investigated dose range: IDet, 0.3 U/kg, 207 AA, 535 HL, 285 Caucasians; 0.6 U/kg, 1203 AA, 824 HL and 1126 Caucasians; 1.2 U/kg, 1502 AA, 1977 HL and 2269 Caucasians; NPH, 0.3 IU/kg, 733 AA, 1148 HL and 1148 Caucasians; 0.6 IU/kg, 1395 AA, 1976 HL and 1077 Caucasians; 1.2 IU/kg, 2452 AA, 3296 HL and 2455 Caucasians. Both IDet and NPH showed a linear dose-response relationship in all three groups (p = 0.31), without any significant differences in slope (p = 0.71) or intercept (p = 0.51). Comparable results were obtained for pharmacokinetics. CONCLUSIONS: These results confirm a linear dose-response relationship of IDet, without any relevant differences between ethnic groups. This suggests that similar dosing recommendation can be used for IDet in type 2 diabetic patients belonging to different ethnic group.

Adult↗

Insulin detemir compared with NPH insulin in children and adolescents with Type 1 diabetes.

AIMS: This study compared the effect of insulin detemir on glycaemic control (HbA(1c), fasting plasma glucose and variability thereof) with that of Neutral Protamine Hagedorn human isophane (NPH) insulin, both combined with insulin aspart, in children with Type 1 diabetes mellitus, and compared the safety of these treatments. METHODS: In this 26-week, open-label, randomized (2 : 1), parallel-group study, 347 (140 prepubertal and 207 pubertal) children with Type 1 diabetes, aged 6-17 years, received insulin detemir (n = 232) or NPH insulin (n = 115) once or twice daily, according to the prestudy regimen, plus premeal insulin aspart. RESULTS: The mean HbA(1c) decreased by approximately 0.8% with both treatments. After 26 weeks, the mean difference in HbA(1c) was 0.1% (95% confidence interval -0.1, 0.3) (insulin detemir 8.0%, NPH insulin 7.9%). Within-subject variation in self-measured fasting plasma glucose was significantly lower with insulin detemir than with NPH insulin (SD 3.3 vs. 4.3, P < 0.001), as was mean fasting plasma glucose (8.4 vs. 9.6 mmol/l, P = 0.022). The risk of nocturnal hypoglycaemia (22.00-07.00 h) was 26% lower with insulin detemir (P = 0.041) and the risk of 24-h hypoglycaemia was similar with the two treatments (P = 0.351). The mean body mass index (BMI) Z-score was lower with insulin detemir (P < 0.001). CONCLUSIONS: Basal-bolus treatment with insulin detemir or NPH insulin and premeal insulin aspart in children and adolescents with Type 1 diabetes mellitus improved HbA(1c) to a similar degree. The lower and more predictable fasting plasma glucose, lower risk of nocturnal hypoglycaemia and lower BMI observed with insulin detemir are clinically significant advantages compared with NPH insulin.

Adolescent↗

[Insulin detemir (Levemir)].

Insulin detemir (Levemir) is a soluble long acting human insulin analogue acylated with a 14-carbon fatty acid. The fatty acid modification allows insulin detemir to reversibly bind to albumin, thereby providing slow absorption and a prolonged metabolic effect (up to 24 hours) with low variability. Indeed, in patients with type 1 or type 2 diabetes mellitus, insulin detemir has a more predictable, protracted and consistent effect, with less intrapatient variability in glycaemic control (particularly fasting plasma glucose levels), compared with NPH (Neutral Protamine Hagedorn) insulin. Insulin detemir, is at least as effective as NPH insulin in maintaining overall glycaemic control, with a lower risk of nocturnal hypoglycaemia. It also provides the additional benefit of less body weight gain as compared to other basal insulins. Levemir, presented in cartridges for the pen device NovoPen 3 and administered preferably at bedtime (if necessary morning and evening), is a promising new option for basal insulin therapy in diabetic patients, especially those on a basal-bolus scheme.

Diabetes Mellitus↗

Lower within-subject variability of insulin detemir in comparison to NPH insulin and insulin glargine in people with type 1 diabetes.

The aim of this randomized double-blind study was to compare the within-subject variability of the glucose-lowering effect of a novel insulin analog, insulin detemir, with that of insulin glargine and NPH insulin in people with type 1 diabetes. Fifty-four subjects (32 males and 22 females, age 38 +/- 10 years [mean +/- SD], BMI 24 +/- 2 kg/m(2), HbA(1c) 7.5 +/- 1.2%, diabetes duration 18 +/- 9 years) participated in this parallel group comparison. Each subject received four single subcutaneous doses of 0.4 units/kg of either insulin detemir (n = 18), insulin glargine (n = 16), or human NPH insulin (n = 17) under euglycemic glucose clamp conditions (target blood glucose concentration 5.5 mmol/l) on four identical study days. The pharmacodynamic (glucose infusion rates [GIRs]) and pharmacokinetic (serum concentrations of insulin detemir, human insulin, and insulin glargine) properties of the basal insulin preparations were recorded for 24 h postdosing. Insulin detemir was associated with significantly less within-subject variability than both NPH insulin and insulin glargine, as assessed by the coefficient of variation (CV) for the pharmacodynamic end points studied [GIR-AUC((0-12 h)) 27% (detemir) vs. 59% (NPH) vs. 46% (glargine); GIR-AUC((0-24 h)) 27 vs. 68 vs. 48%; GIR(max) 23 vs. 46 vs. 36%; P < 0.001 for all comparisons]. Insulin detemir also provided less within-subject variability in the pharmacokinetic end points: maximal concentration (C(max)) 18 vs. 24 vs. 34%; INS-AUC((0- infinity )) 14 vs. 28 vs. 33%. The results suggest that insulin detemir has a significantly more predictable glucose-lowering effect than both NPH insulin and insulin glargine.

Adult↗

Comparison of once-daily insulin detemir with NPH insulin added to a regimen of oral antidiabetic drugs in poorly controlled type 2 diabetes.

BACKGROUND: Many patients with poorly controlled type 2 diabetes mellitus (DM) receive, as initial insulin treatment, the addition of a basal formulation to an existing regimen of oral antidiabetic drug (OAD) therapy. Used this way, the insulin analogue detemir has been associated with improved glycemic control of a magnitude similar to neutral protamine Hagedorn (NPH), with lower rates of hypoglycemia and weight gain. Initial studies investigated detemir administered BID, but pharmacologic data suggest that detemir might be effective with QD administration. OBJECTIVES: The aims of this study were to compare the effectiveness and tolerability of detemir versus NPH administered QD together with > or =1 OAD in poorly controlled type 2 DM, and to compare different administration times of detemir. METHODS: This 20-week, multicenter, randomized, open-label, 3-arm, parallel-group trial was conducted at 91 centers across Europe and the United States. Men and women were eligible for participation if they were aged > or =18 years, had a body mass index (BMI) < or =40 kg/m(2), had a diagnosis of type 2 DM of at least 12 months' duration, and were insulin naive. Eligible patients also had a glycosylated hemoglobin (HbA(1c)) concentration value not outside the range of 7.5% to 11.0% following at least 3 months' treatment with > or =10 AD. Patients were randomly assigned to receive an evening SC injection of detemir, a prebreakfast injection of detemir, or an evening injection of NPH insulin (1:1:1), administered at initial doses of 10 IU (U). RESULTS: A total of 504 patients were enrolled 5 men, 219 women; mean [SD] age, 59 [11] years; mean [SD] BMI, 30 [5] kg/m2; insulin detemir before breakfast, 168; insulin detemir evening, 170; NPH insulin evening, 166). The intent-to-treat population comprised 498 patients. Morning and evening detemir were associated with reductions in HbA(1c) similar to those with evening NPH (raw mean decreases, -1.58%, -1.48%, and -1.74%, respectively). Nine-point profile and fasting and predinner plasma glucose data found morning detemir to be associated with a different diurnal glycemic profile compared with the evening regimens. Compared with evening NPH, 24-hour and nocturnal hypoglycemia were reduced by 53% (P = 0.019) and 65% (P = 0.031), respectively, with evening detemir. Incidences of hypoglycemia did not differ significantly between groups that received morning and evening detemir, but nocturnal hypoglycemia was reduced further, by 87%, with morning detemir compared with evening NPH (P < 0.001). Weight gain was 1.2, 0.7, and 1.6 kg with morning detemir, evening detemir, and NPH, respectively (P = 0.005 for evening detemir vs NPH). No between-treatment differences were seen in other tolerability end points. CONCLUSIONS: The results of this study in patients whose type 2 DM was poorly controlled with > or =1 OAD suggest that insulin detemir QD in the morning or evening can be used to improve glycemic control. Compared with NPH, insulin detemir may offer some tolerability advantages in this role.

Administration, Oral↗

Insulin detemir--a new basal insulin analog.

OBJECTIVE: To review the pharmacology, pharmacokinetics, clinical trial data, adverse effects, and role in therapy of insulin detemir. DATA SOURCES: Articles and meeting abstracts were identified through searches of MEDLINE (1996-June 2004), EMBASE (1980-June 2004), and International Pharmaceutical Abstracts (1970-June 2004) databases, and unpublished information was provided by the manufacturer. STUDY SELECTION AND DATA EXTRACTION: All available studies relating to insulin detemir's pharmacology were selected. Only human studies were used for pharmacokinetic, drug interaction, efficacy, and safety data. DATA SYNTHESIS: Insulin detemir is a basal insulin analog that has been shown to improve glycemic control in patients with type 1 and type 2 diabetes. CONCLUSIONS: Insulin detemir offers some benefits over NPH for use as basal insulin in patients with type 1 and type 2 diabetes.

Blood Glucose↗

Insulin detemir: a long-acting insulin product.

PURPOSE: The pharmacology, pharmacokinetics, efficacy and tolerability, safety, drug interactions, dosage and administration, cost, and place in therapy of insulin detemir are reviewed. SUMMARY: Insulin detemir is a long-acting, neutral, and soluble insulin analogue with a lower within-subject variability of fasting plasma glucose levels than isophane insulin human (NPH insulin) and insulin glargine. The lower within-subject variability of insulin detemir may decrease hypoglycemic events, especially nocturnal events, and may contribute to a decreased incidence of weight gain. In vivo, insulin detemir is 98-99% bound to albumin-one of the mechanisms contributing to its long duration of action. Several open-labeled, randomized, multicenter trials have been conducted comparing the safety and efficacy of insulin detemir to NPH insulin in patients with type 1 or type 2 diabetes mellitus. In most trials, patients were randomized to receive insulin on three different dosing schedules: basal insulin twice daily before breakfast and at bedtime, basal insulin at 12-hour intervals, or basal insulin before breakfast and dinner. Mealtime insulin was given as part of the basal-bolus therapy. Glycosylated hemoglobin values were similar in patients receiving insulin detemir or NPH insulin. Insulin detemir appears to be well tolerated. The most common adverse effects reported during clinical trials were hypoglycemia, headache, dizziness, and injection-site reactions. CONCLUSION: Insulin detemir given once or twice daily as part of basal-bolus insulin therapy is at least as effective as NPH insulin in maintaining overall glycemic control in adult patients with type 1 or type 2 diabetes mellitus.

Adult↗

Insulin detemir: a new basal insulin analogue.

Basal insulin therapy is an integral part of the intensive management of type 1 diabetes and it is also often used in type 2 diabetes. An ideal insulin regimen in patients with diabetes would mirror the 24-h insulin profile of a non-diabetic person, thereby preventing hyperglycaemia without inducing hypoglycaemia. Until recently, available insulins have pharmacokinetic disadvantages, compared to physiological insulin secretion. Insulin detemir is a new basal insulin analogue recently available for commercial use in the UK. Clinical trials have demonstrated lower fasting plasma glucose levels, lower variability in plasma glucose, predictable action profile and a reduced risk of nocturnal hypoglycaemia and weight gain, compared to conventional basal insulins. This study reviews the properties and potential use of insulin detemir.

Blood Glucose↗

Insulin detemir offers improved glycemic control compared with NPH insulin in people with type 1 diabetes: a randomized clinical trial.

OBJECTIVE: Insulin detemir is a soluble long-acting basal insulin analog designed to overcome the limitations of conventional basal insulin formulations. Accordingly, insulin detemir has been compared with NPH insulin with respect to glycemic control (HbA1c, prebreakfast glucose levels and variability, and hypoglycemia) and timing of administration. RESEARCH DESIGN AND METHODS: People with type 1 diabetes (n = 408) were randomized in an open-label, parallel-group trial of 16-week treatment duration using either insulin detemir or NPH insulin. Insulin detemir was administered twice daily using two different regimens, either before breakfast and at bedtime (IDet(morn+bed)) or at a 12-h interval (IDet(12h)). NPH insulin was administered before breakfast and at bedtime. Mealtime insulin was given as the rapid-acting insulin analog insulin aspart. RESULTS: With both insulin detemir groups, clinic fasting plasma glucose was lower than with NPH insulin (IDet(12h) vs. NPH, -1.5 mmol/l [95% CI -2.51 to -0.48], P = 0.004; IDet(morn+bed) vs. NPH, -2.3 mmol/l (-3.32 to -1.29), P < 0.001), as was self-measured prebreakfast plasma glucose (P = 0.006 and P = 0.004, respectively). The risk of minor hypoglycemia was lower in both insulin detemir groups (25%, P = 0.046; 32%, P = 0.002; respectively) compared with NPH insulin in the last 12 weeks of treatment, this being mainly attributable to a 53% reduction in nocturnal hypoglycemia in the IDet(morn+bed) group (P < 0.001). Although HbA1c for each insulin detemir group was not different from the NPH group, HbA1c for the pooled insulin detemir groups was significantly lower than for the NPH group (mean difference -0.18% [-0.34 to -0.02], P = 0.027). Within-person between-day variation in self-measured prebreakfast plasma glucose was lower for both detemir groups (both P < 0.001). The NPH group gained weight during the study, but there was no change in weight in either of the insulin detemir groups (IDet(12h) vs. NPH, -0.8 kg [-1.44 to -0.24], P = 0.006; IDet(morn+bed) vs. NPH, -0.6 kg [-1.23 to -0.03], P = 0.040). CONCLUSIONS: Overall glycemic control with insulin detemir was improved compared with NPH insulin. The data provide a basis for tailoring the timing of administration of insulin detemir to the individual person's needs.

Adult↗

Insulin detemir: new drug. A second long-acting insulin analogue: many uncertainties, few advantages.

(1) The standard treatment for type 1 diabetes is intensive insulin therapy, consisting of at least 3 daily injections of different insulins, one of which is a long-acting insulin. (2) Insulin detemir is the second long-acting human insulin analogue to be marketed in Europe (after insulin glargine) for the treatment of diabetes in adults and children over 6 years of age. Its action lasts about 12 hours. (3) Insulin detemir was evaluated in around 10 comparative trials, all unblinded, examining the effect of insulin detemir in terms of global glycaemic control (HbA1c level). None of these trials examined whether insulin detemir prevented complications of diabetes. (4) About 10 trials, involving more than 3000 patients, showed that insulin detemir, insulin isophane and insulin glargine have similar efficacy in treating both type 1 and type 2 diabetes. (5) The short-term adverse effect profile of insulin detemir is similar to that of isophane insulin. There is slightly less weight gain with insulin detemir, but injection site reactions occur more frequently. The long-term adverse effects of insulin detemir are not known. (6) Insulin detemir is a clear solution, leading to a risk of confusion with ordinary human insulin or a fast-acting insulin analogue. (7) In practice, isophane insulin remains the first choice long-acting insulin for patients with type 1 or type 2 diabetes.

Diabetes Mellitus, Type 1↗

Insulin detemir. Novo Nordisk.

Insulin detemir (NN-304) is a soluble, long-acting insulin analog being developed by Novo Nordisk for the potential treatment of type 1 and 2 diabetes. As of February 2003, Novo Nordisk was expecting both US and EU approval in the first half of 2004. In December 2002, Novo Nordisk submitted an NDA to the FDA and an NDS to the Canadian Biologics & Genetics Therapeutic Directorate for the approval of insulin detemir for the treatment of diabetes mellitus.

Animals↗