Prospective, randomized, open-label, clinical trial evaluating the effects of pioglitazone on progression of atherosclerotic plaques, endothelial function, and markers for anti-inflammatory properties/obesity/antioxidative properties

Prospective, randomized, open-label, clinical trial evaluating the effects of pioglitazone on progression of atherosclerotic plaques, endothelial function, and markers for anti-inflammatory properties/obesity/antioxidative properties - Prospective, randomized, open-label, clinical trial evaluating the effects of pioglitazone

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002963

Enrollment

Registered

2010-01-03

Start date

2010-01-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diabetes

Interventions

Administration of pioglitazone No administration

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Diabetic patients diagnosed according to Japan Diabetes Society Guidelines 2) Outpatients 3) Subjects who gave written informed consent

Exclusion criteria

Exclusion criteria: 1) Allergy against pioglitazone 2) Administration of pioglitazone 3) Poor-controlled hypertension (DBP>110 mmHg) 4) Poor-controlled diabetes (HbA1c>10.0 %) 5) History of stroke, acute coronary syndrome or any cardiovascular diseases needed for inpatient-treatments within 6 months 6) Either level of aspartate aminotransaminase or alanine aminotransferase exceeds three-fold of the normal limits. 7) End stage renal disease 8) Symptomatic (NYHA III or IV) congestive heart failure 9) Malignancies or other diseases with poor prognosis 10) Pregnant 11) Subjects whose doctor in charge do not agree to join the trial

Design outcomes

Primary

Measure	Time frame
Area of atherosclerotic plaques in aorta detected by magnetic resonance imaging (MRI), 12/24 months after randomization Serum lipids (total/LDL/HDL-cholesterol, triglycerides), 6/12/24 months after randomization Flow-mediated vasodilation in forearm, 6 months after randomization Heparin-releasable EC-SOD levels, 6 months after randomization	—

Secondary

Measure	Time frame
Markers indicating obesity (e.g. adiponectin), inflammation (high sensitive CRP), oxidative stress (8-OHdG/ MDA-LDL), early-staged kidney diseases (microalbuminuria), 6/12/24 months after randomization	—

Countries

Japan

Contacts

Public ContactMakoto Ayaori

National Defense Medical College Department of Internal Medicine I

ayaori@ndmc.ac.jp04-2995-1597

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026