A randomized, double blind, comparative study of vitamin D3 versus placebo in patients with diabetes to prevent progression of chronic kidney disease

A randomized, double blind, comparative study of vitamin D3 versus placebo in patients with diabetes to prevent progression of chronic kidney disease - ATP X

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000004163

Enrollment

400

Registered

2010-10-01

Start date

2013-04-01

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 with chronic kidney disease

Interventions

vitamin D3 supplement placebo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients with both diabetes and chronic kidney disease (stage 2 <=) at Jikei University hospitals. 2. Obtained informed consent 3. Age 20 and more and less than 80 years old

Exclusion criteria

Exclusion criteria: 1. Already taking vitamin D supplement or 1,25 vitamin D 2. History of kidney stone 3. Other difficulties judged by the surgeon in charge

Design outcomes

Primary

Measure	Time frame
Doubling time of Cr and eGFR	—

Secondary

Measure	Time frame
Change of urine protein	—

Countries

Japan

Contacts

Public ContactMitsuyoshi Urashima

Jikei University School of Medicine Molecular Epidemiology

03-3433-1111

Outcome results

None listed

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