Efficacy and safety of exenatide in patients of Asian descent with type 2 diabetes inadequately controlled with metformin or metformin and a sulphonylurea

Yan Gao, Kun Ho Yoon, Lee Ming Chuang, Viswanathan Mohan, Guang Ning, Sanjiv Shah, Hak Chul Jang, Ta Jen Wu, Don Johns, Justin Northrup, Robert Brodows

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76 Scopus citations

Abstract

Aims: To evaluate the efficacy of exenatide in Asian patients with type 2 diabetes (T2D) inadequately controlled with oral agents. Methods: Patients taking metformin (MET) alone or with a sulphonylurea (SU) were randomly assigned to exenatide 5 μg then 10 μg twice-daily for 4 and 12 weeks, respectively, or placebo. The primary endpoint was baseline to endpoint HbA1c change. Results: 466 patients (age 54 ± 9 years, weight 68.7 ± 11.2 kg, BMI 26.3 ± 3.3 kg/m2, and HbA1c 8.3 ± 1.1%; mean ± S.D.) were enrolled in the full analysis set. Endpoint HbA1c reduction (mean [95% CI]) with exenatide was superior to placebo (-1.2 [-1.3, -1.1]% vs. -0.4 [-0.5, -0.2]%, p < 0.001). More exenatide- than placebo-treated patients achieved HbA1c ≤7% (48% vs. 17%, p < 0.001). At endpoint, weight reduction was greater with exenatide (-1.2 [-1.5, -0.9] kg) than placebo (-0.1 [-0.3, 0.2] kg), p < 0.001. Nausea, generally mild-to-moderate, was the most common adverse event with exenatide (25% vs. 1% with placebo). The incidence of symptomatic hypoglycaemia with exenatide and placebo were 36% and 9%, respectively (p < 0.001). Hypoglycaemia rates (events/patient-year) for patients taking exenatide with MET or MET and SU were 1.8 (0.9, 3.7) and 4.7 (3.5, 6.5), respectively. Conclusion: Exenatide treatment improved glycaemic control in Asian patients with T2D and had a similar safety profile as in non-Asian patients.

Original languageEnglish
Pages (from-to)69-76
Number of pages8
JournalDiabetes Research and Clinical Practice
Volume83
Issue number1
DOIs
StatePublished - Jan 2009

Bibliographical note

Funding Information:
This study was funded by Amylin Pharmaceuticals, Inc., San Diego, CA and Eli Lilly and Company, Indianapolis, IN. Three of the named authors (DJ, JN, RB) are employees of Eli Lilly and Company. All of the contributing authors would like to thank Zoe Zuk Kuen Lee, Anna Shen, Yi Fang Hsiao, Min Kyung Kang, Ya Hua Huang, and Maria C. Jimenez for their assistance with preparing this manuscript for publication. The authors also wish to thank the following investigators and their staffs for participating in the study: Guangwei Li, Beijing, China; Xiaohui Guo, Beijing, China; Zhimin Liu, Shanghai, China; Jianhua Ma, Nanjing, China; Chao Liu, Nanjing, China; Haoming Tian, Chengdu, China; Weiping Jia, Shanghai, China; Bong Soo Cha, Seoul, Korea; Moon Kyu Lee, Seoul, Korea; Kwan-Woo Lee, Kyunggi-Do, Korea; Sung-Rae Kim, Gyeonggi-Do, Korea; Vijay Viswanathan, Chennai, India; Shreerang Godbole, Pune, India; Wayne H-H Sheu, Taichung, Taiwan; Chieh-Hsiang Lu, Chiayi, Taiwan; Kuang-Chung Shih, Taipei, Taiwan.

Keywords

  • Asian
  • Ethnic variation
  • Exenatide
  • Type 2 diabetes

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