Title |
Comparative evaluation of pharmacokinetics and pharmacodynamics of insulin glargine (Glaritus®) and Lantus® in healthy subjects: a double-blind, randomized clamp study
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Published in |
Acta Diabetologica, February 2018
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DOI | 10.1007/s00592-018-1113-3 |
Pubmed ID | |
Authors |
Ashima Bhatia, Shraddha Tawade, Mushtaque Mastim, Eliford Ngaimisi Kitabi, Mathangi Gopalakrishnan, Manish Shah, Sridhar Yeshamaina, Joga Gobburu, Maharaj Sahib, Dipak Thakur, K. M. Prasanna Kumar |
Abstract |
The objective of the study was to compare the pharmacokinetic (PK) and pharmacodynamic (PD) properties of an insulin glargine formulation, Glaritus®(test) with the innovator's formulation Lantus®(reference) using the euglycemic clamp technique in a single-dose, double-blind, randomized, two sequences, four-period replicate crossover study in healthy volunteers (n = 40). Subjects received subcutaneous administration of the insulin glargine (0.4 IU/kg) formulation at two occasions for test and reference and a 20% glucose solution was infused at variable rate to maintain euglycemia for 24 h. Both PK [area under the plasma concentration time curve (AUC0-24 h) and maximum insulin concentration (Cmax)] and PD endpoints [area under glucose infusion rate time curve (AUCGIR0-24) and maximum glucose infusion rate (GIRmax)] demonstrated bioequivalence of Glaritus to Lantus with the 90% confidence interval of geometric mean ratio of test to reference entirely contained within 0.80-1.25. Both formulations showed equivalent geometric least-square mean LSM value (0.08 nmol/L) for Cmax. The geometric LSM AUC0-24 hvalue for Glaritus®(1.09 h nmol/L) was comparable to Lantus (1.05 h nmol/L). Median Tmaxvalues were also identical (12 h for both), and median t1/2 values were also equal (18 h for both). For GIRTmax, the difference between the means for the two was not statistically significant. No AEs related to study formulations were reported, and both products were well tolerated. The test product (Glaritus) was found to be bioequivalent to the reference product (Lantus). CTRI/2015/06/005890; http://www.ctri.nic.in/ . |
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