Dataset Information

Efficacy and safety of once-daily insulin degludec dosed flexibly at convenient times vs fixed dosing at the same time each day in a Japanese cohort with type 2 diabetes: A randomized, 26-week, treat-to-target trial.

ABSTRACT: AIMS/INTRODUCTION:This trial assessed the efficacy and safety of the possibility of varying the daily injection time of once-daily, long-acting basal insulin degludec (IDeg) in Japanese patients with type 2 diabetes inadequately controlled with insulin glargine. MATERIALS AND METHODS:This was a 26-week, multicenter, open-label, randomized, treat-to-target trial, with a 2 × 2 factorial design comparing IDeg flexible (allowing dosing ±8 h from an agreed dosing time) with IDeg fixed dosing (at the same time each day). It was carried out in 458 adult patients who were inadequately controlled on insulin glargine with or without oral antidiabetic drugs. RESULTS:The majority of doses were taken within 2 h of the agreed dosing time, showing a high level of adherence among Japanese patients. After 26 weeks, IDeg flexible was non-inferior to IDeg fixed with respect to change in glycated hemoglobin from baseline, estimated treatment difference 0.08% points (95% confidence interval -0.05; 0.22). Fasting plasma glucose decreased to a similar level with IDeg flexible and IDeg fixed, estimated treatment difference -0.18 mmol/L (95% confidence interval -0.48; 0.12). The rates of confirmed and nocturnal confirmed hypoglycemia were numerically, but not significantly, higher with IDeg flexible vs IDeg fixed dosing. The rates of adverse events with IDeg flexible and IDeg fixed dosing were similar. CONCLUSIONS:These results showed the efficacy and safety of allowing patients to vary the time they dosed IDeg, when necessary, in Japanese patients with type 2 diabetes. Dosing of IDeg at a time convenient to the patient was non-inferior, with respect to glycated hemoglobin, to dosing at the same time each day.

SUBMITTER: Kadowaki T

PROVIDER: S-EPMC5009133 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Efficacy and safety of once-daily insulin degludec dosed flexibly at convenient times vs fixed dosing at the same time each day in a Japanese cohort with type 2 diabetes: A randomized, 26-week, treat-to-target trial.

Kadowaki Takashi T Jinnouchi Hideaki H Kaku Kohei K Hersløv Malene L ML Hyllested-Winge Jacob J Nakamura Shuji S

Journal of diabetes investigation 20160401 5

<h4>Aims/introduction</h4>This trial assessed the efficacy and safety of the possibility of varying the daily injection time of once-daily, long-acting basal insulin degludec (IDeg) in Japanese patients with type 2 diabetes inadequately controlled with insulin glargine.<h4>Materials and methods</h4>This was a 26-week, multicenter, open-label, randomized, treat-to-target trial, with a 2 × 2 factorial design comparing IDeg flexible (allowing dosing ±8 h from an agreed dosing time) with IDeg fixed ...[more]

PMID: 27182031

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Project description:IntroductionInsulin degludec (IDeg) is a new basal insulin in development with a flat, ultra-long action profile that may permit dosing using a simplified titration algorithm with less frequent self-measured blood glucose (SMBG) measurements and more simplified titration steps than currently available basal insulins.MethodsThis 26-week, multi-center, open-label, randomized, treat-to-target study compared the efficacy and safety of IDeg administered once-daily in combination with metformin in insulin-naïve subjects with type 2 diabetes using two different patient-driven titration algorithms: a "Simple" algorithm, with dose adjustments based on one pre-breakfast SMBG measurement (n = 111) versus a "Step-wise" algorithm, with adjustments based on three consecutive pre-breakfast SMBG values (n = 111). IDeg was administered using the FlexTouch® insulin pen (Novo Nordisk A/S, Bagsværd, Denmark), with once-weekly dose titration in both groups.ResultsGlycosylated hemoglobin (HbA1c) decreased from baseline to week 26 in both groups (-1.09%, IDegSimple; -0.93%, IDegStep-wise). IDegSimple was non-inferior to IDegStep-wise in lowering HbA1c [estimated treatment difference (IDegSimple - IDegStep-wise): -0.16% points (-0.39; 0.07)95% CI]. Fasting plasma glucose was reduced (-3.27 mmol/L, IDegSimple; -2.68 mmol/L, IDegStep-wise) with no significant difference between groups. Rates of confirmed hypoglycemia [1.60, IDegSimple; 1.17, IDegStep-wise events/patient year of exposure (PYE)] and nocturnal confirmed hypoglycemia (0.21, IDegSimple; 0.10, IDegStep-wise events/PYE) were low, with no significant differences between groups. Daily insulin dose after 26 weeks was 0.61 U/kg (IDegSimple) and 0.50 U/kg (IDegStep-wise). No significant difference in weight change was seen between groups by week 26 (+1.6 kg, IDegSimple; +1.1 kg, IDegStep-wise), and there were no clinically relevant differences in adverse event profiles.ConclusionIDeg was effective and well tolerated using either the Simple or Step-wise titration algorithm. While selection of an algorithm must be based on individual patient characteristics and goals, the ability to attain good glycemic control using a simplified titration algorithm may enable patient empowerment through self-titration, improved convenience, and reduced costs.

Project description:Most monoclonal antibodies in oncology are administered in body-size-based dosing schedules. This is believed to correct for variability in both drug distribution and elimination between patients. However, monoclonal antibodies typically distribute to the blood plasma and extracellular fluids only, which increase less than proportionally with the increase in body weight. Elimination takes place via proteolytic catabolism, a nonspecific immunoglobulin G elimination pathway, and intracellular degradation after binding to the target. The latter is the primary route of elimination and is related to target expression levels rather than body size. Taken together, the minor effects of body size on distribution and elimination of monoclonal antibodies and their usually wide therapeutic window do not support body-size-based dosing. We evaluated effects of body weight on volume of distribution and clearance of monoclonal antibodies in oncology and show that a fixed dose for most of these drugs is justified based on pharmacokinetics. A survey of the savings after fixed dosing of monoclonal antibodies at our hospital showed that fixed dosing can reduce costs of health care, especially when pooling of preparations is not possible (which is often the case in smaller hospitals). In conclusion, based on pharmacokinetic parameters of monoclonal antibodies, there is a rationale for fixed dosing of these drugs in oncology. Therefore, we believe that fixed dosing is justified and can improve efficiency of the compounding. Moreover, drug spillage can be reduced and medication errors may become less likely. IMPLICATIONS FOR PRACTICE:The currently available knowledge of elimination of monoclonal antibodies combined with the publicly available data from clinical trials and extensive population pharmacokinetic (PopPK) modeling justifies fixed dosing. Interpatient variation in exposure is comparable after body weight and fixed dosing and most monoclonal antibodies show relatively flat dose-response relationships. For monoclonal antibodies, this results in wide therapeutic windows and no reduced clinical efficacy after fixed dosing. Therefore, we believe that fixed dosing at a well-selected dose can increase medication safety and help in reduction of costs of health care without the loss of efficacy or safety margins.

Dataset Information

Efficacy and safety of once-daily insulin degludec dosed flexibly at convenient times vs fixed dosing at the same time each day in a Japanese cohort with type 2 diabetes: A randomized, 26-week, treat-to-target trial.

Publications

Efficacy and safety of once-daily insulin degludec dosed flexibly at convenient times vs fixed dosing at the same time each day in a Japanese cohort with type 2 diabetes: A randomized, 26-week, treat-to-target trial.

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