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Horii T, Masudo C, Takayanagi Y, Oikawa Y, Shimada A, Mihara K. Adherence and treatment discontinuation of oral semaglutide and once-weekly semaglutide injection at 12 month follow-up: Japanese real-world data. J Diabetes Investig 2024. [PMID: 39243175 DOI: 10.1111/jdi.14265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/07/2024] [Accepted: 06/27/2024] [Indexed: 09/09/2024] Open
Abstract
Adherence and treatment continuation rates of the glucagon-like peptide-1 receptor agonist (GLP-1RA) semaglutide for both oral (O-SEMA) and subcutaneous injection (SEMA-SC) remain unknown in real-world clinical practice. This retrospective observational study compared the 12 month adherence and treatment discontinuation of O-SEMA and once-weekly SEMA-SC in patients with type 2 diabetes using a real-world claims database. SEMA-SC initiators were 1:1 propensity score-matched to O-SEMA initiators. Non-adherence was defined as <0.8 of the proportion of days covered. SEMA-SC had a significantly higher odds ratio (OR) for non-adherence than O-SEMA (OR: 1.39). The hazard ratio for treatment discontinuation, using O-SEMA as the reference, was 1.45 for SEMA-SC, although the discontinuation rate of O-SEMA was higher during the early stage. O-SEMA initiators showed significantly higher adherence and greater persistence in therapy than SEMA-SC initiators at 12 months, which could lead to earlier initiation of GLP-1RA treatment.
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Affiliation(s)
- Takeshi Horii
- Department of Pharmacy, Faculty of Pharmacy, Musashino University, Tokyo, Japan
- Department of Endocrinology and Diabetes, School of Medicine, Saitama Medical University, Saitama, Japan
| | - Chikako Masudo
- Department of Pharmacy, Faculty of Pharmacy, Musashino University, Tokyo, Japan
| | - Yui Takayanagi
- Department of Pharmacy, Faculty of Pharmacy, Musashino University, Tokyo, Japan
| | - Yoichi Oikawa
- Department of Endocrinology and Diabetes, School of Medicine, Saitama Medical University, Saitama, Japan
| | - Akira Shimada
- Department of Endocrinology and Diabetes, School of Medicine, Saitama Medical University, Saitama, Japan
| | - Kiyoshi Mihara
- Department of Pharmacy, Faculty of Pharmacy, Musashino University, Tokyo, Japan
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Bouchi R, Kondo T, Ohta Y, Goto A, Tanaka D, Satoh H, Yabe D, Nishimura R, Harada N, Kamiya H, Suzuki R, Yamauchi T. A consensus statement from the Japan Diabetes Society: A proposed algorithm for pharmacotherapy in people with type 2 diabetes - 2nd edition (English version). J Diabetes Investig 2024; 15:1326-1342. [PMID: 38988282 PMCID: PMC11363114 DOI: 10.1111/jdi.14202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 07/12/2024] Open
Abstract
This algorithm was issued for the appropriate use of drugs for the treatment of type 2 diabetes mellitus in Japan. The revisions include safety considerations, fatty liver disease as a comorbidity to be taken into account and the position of tirzepatide.
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Affiliation(s)
- Ryotaro Bouchi
- Diabetes and Metabolism Information Center, Diabetes Research CenterNational Center for Global Health and MedicineTokyoJapan
| | - Tatsuya Kondo
- Department of Diabetes, Metabolism and EndocrinologyKumamoto University HospitalKumamotoJapan
| | - Yasuharu Ohta
- Division of Endocrinology, Metabolism, Hematological Sciences and TherapeuticsYamaguchi University Graduate School of MedicineYamaguchiJapan
| | - Atsushi Goto
- Department of Health Data Science, Graduate School of Data ScienceYokohama City UniversityYokohamaJapan
| | - Daisuke Tanaka
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Hiroaki Satoh
- Department of Diabetes and EndocrinologyJuntendo University Urayasu HospitalChibaJapan
| | - Daisuke Yabe
- Department of Diabetes, Endocrinology and Metabolism and Department of Rheumatology and Clinical ImmunologyGifu University Graduate School of MedicineGifuJapan
| | - Rimei Nishimura
- Division of Diabetes, Metabolism and EndocrinologyJikei University School of MedicineTokyoJapan
| | - Norio Harada
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Hideki Kamiya
- Division of Diabetes, Department of Internal MedicineAichi Medical UniversityNagakuteJapan
| | - Ryo Suzuki
- Department of Diabetes, Metabolism and EndocrinologyTokyo Medical UniversityTokyoJapan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic DiseasesUniversity of Tokyo Graduate School of MedicineTokyoJapan
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Bouchi R, Kondo T, Ohta Y, Goto A, Tanaka D, Satoh H, Yabe D, Nishimura R, Harada N, Kamiya H, Suzuki R, Yamauchi T. A consensus statement from the Japan Diabetes Society (JDS): a proposed algorithm for pharmacotherapy in people with type 2 diabetes-2nd Edition (English version). Diabetol Int 2024; 15:327-345. [PMID: 39101173 PMCID: PMC11291844 DOI: 10.1007/s13340-024-00723-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 02/08/2024] [Indexed: 08/06/2024]
Abstract
The Japan Diabetes Society (JDS) adopted a sweeping decision to release consensus statements on relevant issues in diabetes management that require updating from time to time and launched a "JDS Committee on Consensus Statement Development." In March 2020, the committee's first consensus statement on "Medical Nutrition Therapy and Dietary Counseling for People with Diabetes" was published. In September 2022, a second consensus "algorithm for pharmacotherapy in people with type 2 diabetes" was proposed. In developing an algorithm for diabetes pharmacotherapy in people with type 2 diabetes, the working concept was that priority should be given to selecting such medications as would appropriately address the diabetes pathology in each patient while simultaneously weighing the available evidence for these medications and the prescribing patterns in clinical practice in Japan. These consensus statements are intended to present the committee's take on diabetes management in Japan, based on the evidence currently available for each of the issues addressed. It is thus hoped that practicing diabetologists will not fail to consult these statements to provide the best available practice in their respective clinical settings. Given that the persistent dual GIP/GLP-1 receptor agonist tirzepatide was approved in April 2023, these consensus statements have been revised1). In this revision, specifically, tirzepatide was added to the end of [likely involving insulin resistance] of "Obese patients" in Step 1: "Select medications to address the diabetes pathology involved" in Fig. 2. While the sentence, "Insulin insufficiency and resistance can be assessed by referring to the various indices listed in the JDS 'Guide to Diabetes Management.' was mentioned in the previous edition as well, "While insulin resistance is analogized based on BMI, abdominal obesity, and visceral fat accumulation, an assessment of indicators (e.g., HOMA-IR) is desirable" was added as information in order to more accurately recognize the pathology. Regarding Step 2: "Give due consideration to safety," "For renal excretion" was added to the "Rule of thumb 2: Avoid glinides in patients with renal impairment." The order of the medications in "rule of thumb 3: Avoid thiazolidinediones and biguanides in patients with heart failure (in whom they are contraindicated)." to thiazolidinediones then biguanides. In the description of the lowest part of Fig. 2, for each patient failing to achieve his/her HbA1c control goal, "while reverting to step 1" was changed to "while reverting to the opening" and "including reassessment if the patient is indicated for insulin therapy" was added. In the separate table, the column for tirzepatides was added, while the two items, "Characteristic side effects" and "Persistence of effect" were added to the area of interest. The revision also carried additional descriptions of the figure and table such as tirzepatides and "Characteristic side effects" in the statement, and while not mentioned in the proposed algorithm figure, nonalcoholic fatty liver disease (NAFLD) is covered from this revision for patients with comorbidities calling for medical attention. Moreover, detailed information was added to the relative/absolute indication for insulin therapy, the Kumamoto Declaration 2013 for glycemic targets, and glycemic targets for older people with diabetes. Again, in this revision, it is hoped that the algorithm presented here will not only contribute to improved diabetes management in Japan, but will continue to evolve into a better algorithm over time, reflecting new evidence as it becomes available.
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Affiliation(s)
- Ryotaro Bouchi
- Diabetes and Metabolism Information Center, Diabetes Research Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Tatsuya Kondo
- Department of Diabetes, Metabolism and Endocrinology, Kumamoto University Hospital, Kumamoto, Japan
| | - Yasuharu Ohta
- Division of Endocrinology, Metabolism, Hematological Sciences and Therapeutics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - Atsushi Goto
- Department of Health Data Science, Graduate School of Data Science, Yokohama City University, Kanagawa, Japan
| | - Daisuke Tanaka
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroaki Satoh
- Department of Diabetes and Endocrinology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Daisuke Yabe
- Department of Diabetes, Endocrinology and Metabolism and Department of Rheumatology and Clinical Immunology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Rimei Nishimura
- Division of Diabetes, Metabolism and Endocrinology, Jikei University School of Medicine, Tokyo, Japan
| | - Norio Harada
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hideki Kamiya
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University, Aichi, Japan
| | - Ryo Suzuki
- Department of Diabetes, Metabolism and Endocrinology, Tokyo Medical University, Tokyo, Japan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic Diseases, University of Tokyo Graduate School of Medicine, Tokyo, Japan
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Coppola A, Chuquitaype M, Guglielmo S, Pujia R, Ferrulli A, Falcone C, Maurotti S, Montalcini T, Luzi L, Gazzaruso C. Therapeutic patient education and treatment intensification of diabetes and hypertension in subjects with newly diagnosed type 2 diabetes mellitus: a longitudinal study. Endocrine 2024:10.1007/s12020-024-03839-8. [PMID: 38656749 DOI: 10.1007/s12020-024-03839-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 04/15/2024] [Indexed: 04/26/2024]
Abstract
PURPOSE The aim of this study is to prospectively evaluate whether individual and group Therapeutic Patient Education (TPE) can reduce the need to intensify treatment of diabetes and hypertension in newly diagnosed type 2 diabetic patients. METHODS A total of 937 patients were recruited and followed-up for 42.7 ± 21.5 months. TPE was a structured comprehensive education delivered by trained nurses: 322 patients received individual TPE (ITPE), 291 underwent group TPE (GTPE), and 324 were in Usual Care (UC). The primary endpoints were intensification of diabetes treatment and intensification of hypertension treatment. RESULTS The rate of diabetes treatment intensification was 40.1% in patients receiving ITPE, 47.8% in patients undergoing GTPE, and 64.2% in patients in UC (p < 0.001). The rate of hypertension treatment intensification was 24.2% in patients following ITPE, 31.3% in patients receiving GTPE, and 41.0% in patients in UC (p < 0.001). Multivariate analysis showed that both ITPE and GTPE were associated with reduced intensification of diabetes (ITPE: HR:0.51; 95% IC:0.40-0.64; p < 0.001 - GTPE: HR:0.46; 95% IC:0.44-0.70; p < 0.001) and hypertension medication (ITPE: HR:0.45; 95% IC:0.34-0.61; p < 0.001 - GTPE: HR:0.49; 95% IC:0.38-0.65; p < 0.001). The association was independent of age, sex, BMI, HbA1c, and presence of hypertension at baseline. CONCLUSIONS TPE, delivered as both individual and group sessions, represents an effective tool to reduce the need to intensify treatment of both diabetes and hypertension. Therefore, it can ensure better control of diabetes and hypertension with fewer medications. This could reduce adverse effects and costs and improve quality of life and medication taking in patients with type 2 diabetes.
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Affiliation(s)
- Adriana Coppola
- Diabetes and endocrine-metabolic Diseases Unit, Istituto Clinico Beato Matteo, Gruppo Ospedaliero San Donato, Vigevano, Italy.
| | - Maritza Chuquitaype
- Diabetes and endocrine-metabolic Diseases Unit, Istituto Clinico Beato Matteo, Gruppo Ospedaliero San Donato, Vigevano, Italy
| | - Selene Guglielmo
- Diabetes and endocrine-metabolic Diseases Unit, Istituto Clinico Beato Matteo, Gruppo Ospedaliero San Donato, Vigevano, Italy
| | - Roberta Pujia
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Anna Ferrulli
- Department of Endocrinology, IRCCS Multimedica, Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Colomba Falcone
- CIRMC, University of Pavia, Pavia, Italy
- Cardiology Unit, Istituto di Cura Città di Pavia, Gruppo Ospedaliero San Donato, Pavia, Italy
| | - Samantha Maurotti
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Tiziana Montalcini
- Department of Experimental and Clinical Medicine, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Livio Luzi
- Department of Endocrinology, IRCCS Multimedica, Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Carmine Gazzaruso
- Diabetes and endocrine-metabolic Diseases Unit, Istituto Clinico Beato Matteo, Gruppo Ospedaliero San Donato, Vigevano, Italy
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
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Bouchi R, Kondo T, Ohta Y, Goto A, Tanaka D, Satoh H, Yabe D, Nishimura R, Harada N, Kamiya H, Suzuki R, Yamauchi T. A consensus statement from the Japan Diabetes Society (JDS): a proposed algorithm for pharmacotherapy in people with type 2 diabetes. Diabetol Int 2023; 14:1-14. [PMID: 36636161 PMCID: PMC9829926 DOI: 10.1007/s13340-022-00605-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/14/2022] [Indexed: 12/24/2022]
Affiliation(s)
- Ryotaro Bouchi
- Diabetes and Metabolism Information Center, Diabetes Research Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Tatsuya Kondo
- Department of Diabetes, Metabolism and Endocrinology, Kumamoto University Hospital, Kumamoto, Japan
| | - Yasuharu Ohta
- Division of Endocrinology, Metabolism, Hematological Sciences and Therapeutics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - Atsushi Goto
- Department of Health Data Science, Graduate School of Data Science, Yokohama City University, Kanagawa, Japan
| | - Daisuke Tanaka
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroaki Satoh
- Department of Diabetes and Endocrinology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Daisuke Yabe
- Department of Diabetes, Endocrinology and Metabolism and Department of Rheumatology and Clinical Immunology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Rimei Nishimura
- Division of Diabetes, Metabolism and Endocrinology, Jikei University School of Medicine, Tokyo, Japan
| | - Norio Harada
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hideki Kamiya
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University, Aichi, Japan
| | - Ryo Suzuki
- Department of Diabetes, Metabolism and Endocrinology, Tokyo Medical University, Tokyo, Japan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic Diseases, University of Tokyo Graduate School of Medicine, Tokyo, Japan
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Bouchi R, Kondo T, Ohta Y, Goto A, Tanaka D, Satoh H, Yabe D, Nishimura R, Harada N, Kamiya H, Suzuki R, Yamauchi T. A consensus statement from the Japan Diabetes Society: A proposed algorithm for pharmacotherapy in people with type 2 diabetes. J Diabetes Investig 2022; 14:151-164. [PMID: 36562245 PMCID: PMC9807160 DOI: 10.1111/jdi.13960] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Ryotaro Bouchi
- Diabetes and Metabolism Information Center, Diabetes Research CenterNational Center for Global Health and MedicineTokyoJapan
| | - Tatsuya Kondo
- Department of Diabetes, Metabolism and EndocrinologyKumamoto University HospitalKumamotoJapan
| | - Yasuharu Ohta
- Division of Endocrinology, Metabolism, Hematological Sciences and TherapeuticsYamaguchi University Graduate School of MedicineUbeJapan
| | - Atsushi Goto
- Department of Health Data Science, Graduate School of Data ScienceYokohama City UniversityYokohamaJapan
| | - Daisuke Tanaka
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Hiroaki Satoh
- Department of Diabetes and EndocrinologyJuntendo University Urayasu HospitalUrayasuJapan
| | - Daisuke Yabe
- Department of Diabetes, Endocrinology and Metabolism and Department of Rheumatology and Clinical ImmunologyGifu University Graduate School of MedicineGifuJapan
| | - Rimei Nishimura
- Division of Diabetes, Metabolism and EndocrinologyJikei University School of MedicineTokyoJapan
| | - Norio Harada
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Hideki Kamiya
- Division of Diabetes, Department of Internal MedicineAichi Medical UniversityNagakuteJapan
| | - Ryo Suzuki
- Department of Diabetes, Metabolism and EndocrinologyTokyo Medical UniversityTokyoJapan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic DiseasesUniversity of Tokyo Graduate School of MedicineTokyoJapan
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Noguchi Y, Yoshizawa S, Tachi T, Teramachi H. Effect of Dipeptidyl Peptidase-4 Inhibitors vs. Metformin on Major Cardiovascular Events Using Spontaneous Reporting System and Real-World Database Study. J Clin Med 2022; 11:jcm11174988. [PMID: 36078917 PMCID: PMC9456525 DOI: 10.3390/jcm11174988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Metformin had been recommended as the first-line treatment for type 2 diabetes since 2006 because of its low cost, high efficacy, and potential to reduce cardiovascular events, and thus death. However, dipeptidyl peptidase-4 (DPP-4) inhibitors are the most commonly prescribed first-line agents for patients with type 2 diabetes in Japan. Therefore, it is necessary to clarify the effect of DPP-4 inhibitors on preventing cardiovascular events, taking into consideration the actual prescription of antidiabetic drugs in Japan. Methods: This study examined the effect of DPP-4 inhibitors on preventing cardiovascular events. The Japanese Adverse Drug Event Report (JADER) database, a spontaneous reporting system in Japan, and the Japanese Medical Data Center (JMDC) Claims Database, a Japanese health insurance claims and medical checkup database, were used for the analysis. Metformin was used as the DPP-4 inhibitor comparator. Major cardiovascular events were set as the primary endpoint. Results: In the analysis using the JADER database, a signal of major cardiovascular events was detected with DPP-4 inhibitors (IC: 0.22, 95% confidence interval: 0.03–0.40) but not with metformin. In the analysis using the JMDC Claims Database, the hazard ratio of major cardiovascular events for DPP-4 inhibitors versus metformin was 1.01 (95% CI: 0.84–1.20). Conclusions: A comprehensive analysis using two different databases in Japan, the JADER and the JMDC Claims Database, showed that DPP-4 inhibitors, which are widely used in Japan, have a non-inferior risk of cardiovascular events compared to metformin, which is used as the first-line drug in the United States and Europe.
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Affiliation(s)
- Yoshihiro Noguchi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, 1-25-4, Daigakunishi, Gifu-shi 501-1196, Japan
- Correspondence: (Y.N.); (H.T.); Tel.: +81-230-8100 (Y.N.); +81-230-8100 (H.T.)
| | - Shunsuke Yoshizawa
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, 1-25-4, Daigakunishi, Gifu-shi 501-1196, Japan
| | - Tomoya Tachi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, 1-25-4, Daigakunishi, Gifu-shi 501-1196, Japan
| | - Hitomi Teramachi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, 1-25-4, Daigakunishi, Gifu-shi 501-1196, Japan
- Laboratory of Community Healthcare Pharmacy, Gifu Pharmaceutical University, 1-25-4, Daigakunishi, Gifu-shi 501-1196, Japan
- Correspondence: (Y.N.); (H.T.); Tel.: +81-230-8100 (Y.N.); +81-230-8100 (H.T.)
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Bouchi R, Sugiyama T, Goto A, Imai K, Ihana‐Sugiyama N, Ohsugi M, Yamauchi T, Kadowaki T, Ueki K. Retrospective nationwide study on the trends in first-line antidiabetic medication for patients with type 2 diabetes in Japan. J Diabetes Investig 2022; 13:280-291. [PMID: 34309213 PMCID: PMC8847136 DOI: 10.1111/jdi.13636] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/24/2021] [Accepted: 07/22/2021] [Indexed: 12/19/2022] Open
Abstract
AIMS/INTRODUCTION To investigate the national trend in the prescription of first-line non-insulin antidiabetic agents and total medical costs (TMCs) after prescribing the drug in Japanese patients with type 2 diabetes. MATERIALS AND METHODS Using the National Database of Health Insurance Claims and Specific Health Check-ups of Japan covering almost the entire Japanese population, we calculated the proportion of each antidiabetic drug from 2014 to 2017, and determined the factors associated with drug selection. The TMCs in the first year after starting the drugs were calculated, and factors associated with the costs were also determined. RESULTS Among 1,136,723 new users of antidiabetic agents, dipeptidyl peptidase-4 inhibitors were the most prescribed (65.1%), followed by biguanides (15.9%) and sodium-glucose cotransporter 2 inhibitors (7.6%). Sodium-glucose cotransporter 2 inhibitor and biguanide use increased during 2014-2017 (2.2%-11.4% and 13.7%-17.2%, respectively), whereas the others decreased. Biguanides were not prescribed at all in 38.2% of non-Japan Diabetes Society-certified facilities. The TMCs were the lowest among those who started with biguanides. Fiscal year, age, sex, facility, number of beds and comorbidities were associated with drug choice and TMCs. There were wide regional variations in the drug choice, but not in the TMCs. CONCLUSIONS Unlike in the USA and Europe, dipeptidyl peptidase-4 inhibitor is the most prescribed first-line medication for type 2 diabetes patients in Japan, while there is a wide variation in the drug choice by facility-type and prefecture.
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Affiliation(s)
- Ryotaro Bouchi
- Department of Diabetes, Endocrinology and MetabolismNational Center for Global Health and MedicineTokyoJapan
- Diabetes and Metabolism Information CenterNational Center for Global Health and MedicineTokyoJapan
| | - Takehiro Sugiyama
- Diabetes and Metabolism Information CenterNational Center for Global Health and MedicineTokyoJapan
- Department of Health Services ResearchFaculty of MedicineUniversity of TsukubaIbarakiJapan
| | - Atsushi Goto
- Department of Health Data ScienceGraduate School of Data ScienceYokohama City UniversityYokohamaJapan
| | - Kenjiro Imai
- Diabetes and Metabolism Information CenterNational Center for Global Health and MedicineTokyoJapan
| | - Noriko Ihana‐Sugiyama
- Department of Diabetes, Endocrinology and MetabolismNational Center for Global Health and MedicineTokyoJapan
- Diabetes and Metabolism Information CenterNational Center for Global Health and MedicineTokyoJapan
| | - Mitsuru Ohsugi
- Department of Diabetes, Endocrinology and MetabolismNational Center for Global Health and MedicineTokyoJapan
- Diabetes and Metabolism Information CenterNational Center for Global Health and MedicineTokyoJapan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic DiseasesGraduate School of MedicineThe University of TokyoTokyoJapan
| | | | - Kohjiro Ueki
- Department of Diabetes, Endocrinology and MetabolismNational Center for Global Health and MedicineTokyoJapan
- Diabetes Research CenterNational Center for Global Health and MedicineTokyoJapan
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Iglay K, Sawhney B, Fu AZ, Fernandes G, Crutchlow MF, Rajpathak S, Khunti K. Dose distribution and up-titration patterns of metformin monotherapy in patients with type 2 diabetes. Endocrinol Diabetes Metab 2020; 3:e00107. [PMID: 31922032 PMCID: PMC6947691 DOI: 10.1002/edm2.107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 11/23/2019] [Indexed: 01/02/2023] Open
Abstract
AIMS To assess the dose distribution among users of metformin monotherapy as well as the patterns of up-titration following initiation of therapy in people with type 2 diabetes mellitus (T2DM). MATERIALS AND METHODS This was a retrospective cohort study of adults with T2DM in the United Kingdom (UK). Metformin dose distribution was assessed at 0, 6 and 12 months in people initiating metformin monotherapy (new users) and cross-sectionally in people with ongoing metformin monotherapy (prevalent users). Patterns and predictors of up-titration were also analysed in new users. Dose distributions and treatment patterns were assessed descriptively; predictors of up-titration were determined using multivariable logistic regressions. RESULTS Totals of 6174 new users and 8733 prevalent users were included. New users initiated metformin at >0 mg to ≤500 mg (25%), >500 mg to ≤1000 mg (47%), >1000 mg to ≤1500 mg (17%) or >1500 mg to ≤2000 mg (12%) daily. This distribution did not vary over time. Prevalent users of metformin received doses of >0 mg to ≤500 mg (14%), >500 mg to ≤1000 mg (40%), >1000 mg to ≤1500 mg (15%), >1500 mg to ≤2000 mg (29%) or >2000 mg (1%) daily. Among new users of metformin, 6.7% and 10.8% had been up-titrated at 6 and 12 months, respectively, despite the majority having glycated haemoglobin >53 mmol/mol. Predictors of up-titration included younger age and higher HbA1c. CONCLUSIONS A majority of T2DM patients taking metformin received a dose ≤1000 mg/day. Up-titration of metformin is infrequent in the first year postinitiation.
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Affiliation(s)
| | | | - Alex Z. Fu
- Georgetown University Medical CenterWashingtonDCUSA
| | | | | | | | - Kamlesh Khunti
- Diabetes Research CentreUniversity of LeicesterLeicesterUK
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