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Diabetology International

, Volume 9, Issue 3, pp 158–167 | Cite as

Factors involved in decreasing the therapeutic effect of sitagliptin: a subanalysis of the JAMP study

  • Hideo NunomeEmail author
  • Hiroshi Sakura
  • Naotake Hashimoto
  • Kazuo Sasamoto
  • Hiroshi Ohashi
  • Sumiko Hasumi
  • Noriko Ujihara
  • Tadasu Kasahara
  • Osamu Tomonaga
  • Masashi Honda
  • Yasuhiko Iwamoto
  • for the JAMP Study Investigators
Original Article
  • 329 Downloads

Abstract

Objective

As a subanalysis of the Januvia Multicenter Prospective Trial in Type 2 Diabetes (JAMP study), we examined factors that decreased blood glucose control effect of sitagliptin after 3 months and patients requiring an addition or increase of diabetes treatment.

Methods

We selected patients in whom glycated hemoglobin (HbA1c) levels decreased by month 3 after initiation of sitagliptin treatment and conducted two analyses: (1) in patients who did not change drugs until month 12, we compared changes in HbA1c levels between concomitant drugs and examined factors that decreased blood glucose control effect of sitagliptin; (2) compared changes in HbA1c levels and backgrounds between patients who did and did not require an addition to or increased dose of the antidiabetic agent.

Results

Four hundred and ninety-eight patients were chosen. In 369 patients without drug change until month 12, changes in HbA1c levels during months 3–12 were not significantly different among concomitant drugs; factors causing rebound HbA1c were smoking and weight gain. Patient characteristics were compared between those who did and did not require an additional drug or a dose increase (n = 114) (n = 384). Drug changes were associated with longer disease duration, younger age, higher rate of smoking, and higher degree of insulin resistance but not with concomitantly administered drugs.

Conclusion

Smoking and weight gain were factors that decreased the effect of sitagliptin on reducing blood glucose levels. Differences in concomitant drugs did not affect sitagliptin’s effects on glycemic control. A dose increase or the addition of the antidiabetic drug was not associated with concomitant drugs.

Keywords

DPP4-inhibitor Type 2 diabetes mellitus Sitagliptin HbA1c rebound factor Decreasing the therapeutic effect 

Notes

Acknowledgements

We express our sincere gratitude to Mr. Shogo Shishikura (MSD K.K.,) (Teikyo University Graduate School of Public Health, MPH) for scientific advice, including references, and for revising the manuscript. We also thank Nouvelle Place Inc. for conducting data analyses.

JAMP Study Investigators: Akiko Sato (Maruyama Internal Medicine Clinic); Akira Miyashita (Miyashita Surgery Clinic); Asako Kokubo (Kokubo Clinic); Atsuro Tsuchiya (Tsuchiya Clinic); Dai Hirohara (Hanazono Clinic); Daiji Kogure (Kogure Clinic); Daijo Kasahara (Kasahara Clinic); Hideki Tanaka (Internal Medicine, Seiwa Clinic); Hideki Tanaka (Internal Medicine, Nishiarai Hospital); Hideo Tezuka (Tezuka Clinic); Hiroyuki Kuroki (Internal Medicine, Johsai Hospital); Jun Ogino (Department of Diabetes, Endocrine and Metabolic Diseases, Tokyo Women’s Medical University Yachiyo Medical Center); Kanu Kin (Internal Medicine, Nishiarai Lifestyle-related diseases Clinic); Kanu Kin (Internal Medicine, Nishiarai Hospital); Kazuko Muto (Tokyo Women’s Medical University); Kazuo Suzuki (Kenkokan Suzuki Clinic of Internal Medicine); Keiko Iseki (Iseki Clinic); Keita Watanabe (Watanabe Clinic); Kenshi Higami (Higami Hospital); Kenzo Matsumura (Matsumura Gastroenterological Clinic); Kiyotaka Nakajima (Ebisu Clinic); Koki Shin (Shin Clinic); Kuniya Koizumi (Kuniya Clinic); Maki Saneshige (Mugishima Medical Clinic); Makio Sekine (Sekine Clinic); Makoto Yaida (Urban Heights Clinic); Mari Kiuchi (Physician, Kanauchi Medical Clinic); Mari Mugishima (Mugishima Medical Clinic); Mari Osawa (Department of Diabetes Mellitus, Institute of Geriatrics, Tokyo Women’s Medical University); Masae Banno (Banno Medical Clinic); Masahiro Yamamoto (Internal Medicine 1, Shimane University Faculty of Medicine); Masatake Hiratsuka (Higashishinagawa Clinic); Masumi Hosoya (Yasui Clinic); Michika Atsuta (Internal Medicine, Nishiarai Lifestyle-related diseases Clinic); Mitsutoshi Kato (Kato Clinic of Internal Medicine); Miwa Morita (Internal Medicine 1, Shimane University Faculty of Medicine); Munehiro Miyamae (Johsai Hospital); Mutsumi Iijima (Abe Hospital); Naomi Okuyama (Shinjuku Mitsui Building Clinic); Nobuo Hisano (Mejiro Medical Clinic); Norihiro Tsuchiya (Omotesando Naika Ganka); Rie Wada (Kanauchi Medical Clinic); Rie Wada (Nerimasakuradai Clinic); Ryuji Momose (Momo Medical Clinic); Sachiko Otake (Tokyo Women’s Medical University); Satoko Maruyama (Shinjuku Mitsui Building Clinic); Satoru Takada (Internal Medicine, Social welfare corporation Shineikai Takinogawa Hospital); Shigeki Dan (Ube Internal Medicine and Pediatrics Hospital); Shigeki Nishizawa (Nishizawa Medical Clinic); Shigeo Yamashita (Department of Diabetes and Endocrinology, JR Tokyo General Hospital); Shingo Saneshige (Internal Medicine, Kamiochiai Shin Clinic); Shinichi Teno (Teno Clinic); Shinji Tsuruta (Diabetic Medicine, Itabashi Chuo Medical Center); Shinobu Kumakura (Kumakura Medical Clinic); Sumiko Kijima (Abe Hospital); Takashi Kondo (Kondo Clinic); Takeo Onishi (Internal Medicine, Onishi Clinic); Taku Kudo (Internal Medicine, Social welfare corporation Shineikai Takinogawa Hospital); Tatsushi Sugiura (Internal Medicine, Seiwa Clinic); Toshihiko Ishiguro (Kaname Clinic); Yasue Suzuki (Suzuki Medical Clinic); Yasuhiro Tomita (Nakanobu Clinic); Yasuko Takano (Department of Diabetes, Shiseikai Daini Hospital); Yoshihisa Akimoto (Akimoto Yoshi Medical Clinic); Yoshiko Odanaka (Ito Internal Medicine Pediatrics Clinic); Yoshimasa Tasaka (Tokyo Women’s Medical University); Yoshitaka Aiso (Internal Medicine, Diabetes, Aiso Clinic); Yukiko Inoue (Inoue Medical Clinic); Yukinobu Kobayashi (Kobayashi Clinic).

Funding

This study was funded by Japan Diabetes Foundation.

Compliance with ethical standards

Conflict of interest

Hiroshi Sakura received honoraria from Mitsubishi Tanabe Pharma Corporation and research grant from Ono Pharmaceutical Co., Ltd. Other authors declare that they have no conflict of interest.

Ethics approval and consent to participate

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. The ethics committee at the Tokyo Women’s Medical University approved the study (Approval Number: 2064) on 11 January 2011. Informed consent or substitute was obtained from all patients included in the study.

Supplementary material

13340_2017_340_MOESM1_ESM.docx (16 kb)
Supplementary material 1 (DOCX 16 kb)

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Copyright information

© The Japan Diabetes Society 2017

Authors and Affiliations

  • Hideo Nunome
    • 1
    Email author
  • Hiroshi Sakura
    • 2
  • Naotake Hashimoto
    • 3
  • Kazuo Sasamoto
    • 4
  • Hiroshi Ohashi
    • 5
  • Sumiko Hasumi
    • 6
  • Noriko Ujihara
    • 7
  • Tadasu Kasahara
    • 8
  • Osamu Tomonaga
    • 9
  • Masashi Honda
    • 10
  • Yasuhiko Iwamoto
    • 11
  • for the JAMP Study Investigators
  1. 1.Diabetes CenterEdogawa HospitalTokyoJapan
  2. 2.Department of MedicineTokyo Women’s Medical University, Medical Center EastTokyoJapan
  3. 3.Department of Diabetes, Endocrine and Metabolic DiseasesTokyo Women’s Medical University Yachiyo Medical CenterChibaJapan
  4. 4.Internal MedicineSuzuki ClinicTokyoJapan
  5. 5.Internal MedicineOyama East ClinicTochigiJapan
  6. 6.Internal MedicineNishiyamado-Keiwa HospitalIbarakiJapan
  7. 7.Department of Medicine, Diabetes Center, Institute of GeriatricsTokyo Women’s Medical UniversityTokyoJapan
  8. 8.Josai HospitalTokyoJapan
  9. 9.Diabetes and Lifestyle CenterTomonaga ClinicTokyoJapan
  10. 10.Nishikawa ClinicTokyoJapan
  11. 11.Tokyo Women’s Medical University/The Institute for Adult Diseases, Asahi Life FoundationTokyoJapan

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