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Updated: Feb 12, 2026

The ITS2 Database
Published on: March 12, 2012
Treatment patterns in hyperlipidaemia patients based on administrative claim databases in Japan
Mayumi Wake1, Yoshie Onishi2, Florent Guelfucci3
1Japan Medical Affairs, Takeda Pharmaceutical Company Limited, Tokyo, Japan.
Insights
Real-world data shows Japanese hyperlipidaemia (HLD) patients often discontinue treatment. Moderate statins were common first-line treatments for untreated patients, while combination therapy was used for previously treated patients.
Area of Science:
- Cardiovascular Medicine
- Pharmacoeconomics
- Real-World Evidence
Background:
- Limited real-world data exists on hyperlipidaemia (HLD) treatment in Japan.
- Understanding treatment patterns, persistence, and adherence is crucial for effective HLD management.
Purpose of the Study:
- To describe HLD treatment patterns in Japan.
- To evaluate treatment persistence and adherence among Japanese HLD patients.
Main Methods:
- Retrospective analysis of adult HLD patients from 2014-2015 using JMDC and MDV databases.
- Patients categorized as untreated (UT) or previously treated (PT).
- 12-month follow-up to assess prescribing patterns, persistence, and adherence.
Main Results:
- Moderate statins were the predominant first-line HLD therapy for UT patients.
- Combination therapy was most common for PT patients.
- Approximately 50% of UT patients discontinued treatment; persistence was lower in UT vs. PT patients.
Conclusions:
- Moderate statins and combination therapy are common HLD treatments in Japan.
- High discontinuation rates in UT patients require further investigation.
- Strategies to improve long-term persistence are needed.
Background And Aims:
Real-world evidence on treatment of hyperlipidaemia (HLD) in Japan is limited. We aimed to describe treatment patterns, persistence with, and adherence to treatment in Japanese patients with HLD.
Methods:
Retrospective analyses of adult HLD patients receiving drug therapy in 2014-2015 were conducted using the Japan Medical Data Center (JMDC) and Medical Data Vision (MDV) databases. Depending on their HLD treatment history, individuals were categorised as untreated (UT) or previously treated (PT), and were followed for at least 12 months. Outcomes of interest included prescribing patterns of HLD drug classes, persistence with treatment at 12 months, and adherence to treatment.
Results:
Data for 49,582 and 53,865 patients from the JMDC and MDV databases, respectively, were analysed. First-line HLD prescriptions for UT patients were predominantly for moderate statins (JMDC: 75.9%, MDV: 77.0%). PT patients most commonly received combination therapy (JMDC: 43.9%, MDV: 52.6%). Approximately half of the UT patients discontinued treatment during observation. Within each cohort, persistence rates were lower in UT patients than in PT patients (JMDC: 45.0% vs. 77.5%; MDV: 51.9% vs. 85.3%). Adherence was ≥80% across almost all HLD drug classes, and was slightly lower in the JMDC cohort than MDV cohort.
Conclusions:
Most common prescriptions were moderate statins in UT patients and combination therapy in PT patients. The high discontinuation rate of HLD therapy in UT patients warrants further investigation and identification of methods to encourage and support long-term persistence.
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