医学情報・医療情報 UMIN UMIN臨床試験登録システム UMIN Clinical Trials Registry(UMIN-CTR)

Download UMIN-CTR Snapshot

From here you can download daily snapshot of current public entries from UMIN-CTR database.

To avoid high load to the server, please use this data instead of downloading many entries programmatically.

File format is comma-separated-value text file. Text encoding is UTF-8, and line separator is LF(unix type). Files are updated every day at 1:00 AM(JST).

For example, you can load the data into the R statistical software environment by following code:


> library(readr)
> read_csv("https://upload.umin.ac.jp/ctr_csv/ctr_data_j.csv.gz")

English version is a subset of the database, which has English field only. Japanese version has whole data.

Terms and Conditions for Use of UMIN-CTR Data

1. Introduction

The following Terms and Conditions apply for use of the UMIN-CTR data. Downloading the UMIN-CTR data indicates your acceptance of the following Terms and Conditions. These Terms and Conditions apply to all data obtained from the UMIN-CTR, independent of format and method of acquisition.

2. UMIN-CTR Database

The University Hospital Medical Information Network (UMIN) has developed the UMIN-CTR database to provide patients, family members and members of the public current information about clinical research studies. The UMIN-CTR database contains summary information about clinical studies being conducted throughout the Japan and in many countries throughout the world. This data is provided to the UMIN by clinical researchers who sponsor and implement the studies. UMIN-CTR is updated daily.

Trial data posted on this database are not endorsed by UMIN, but are provided as a service to our users. In no event shall the University Hospital Medical Information Network be liable for any damages arising from the use of the data in the UMIN-CTR database. None of the information obtained through use of the database should in any way be used in clinical care without consulting a physician or licensed health professional. UMIN is not responsible for the accuracy, completeness and/or use made of the content displayed for any trial record.

3. Availability

UMIN-CTR data are publicly available to all requesters, at no charge.

4. Use of UMIN-CTR Data

a. Neither the UMIN, nor any of its data providers, make any warranties, expressed or implied, with respect to data contained in the database, and, furthermore, assume no liability for any party's use, or the results of such use, of any part of the database.

b. In any publication or distribution of these data
(1) you should, to the extent possible and appropriate, attribute the source of the data as UMIN-CTR;
(2) you should update the data such that they are current at all times;
(3) you should clearly display the date the data were processed by UMIN-CTR;
(4) you should state any modifications made to the content of the data, along with a complete description of the modifications.

c. You shall not assert any proprietary rights to any portion of the UMIN-CTR database.

d. You shall not use information extracted from the UMIN-CTR database for marketing, promotional or commercial purposes.

These terms and conditions are in effect as long as the user retains any of the data obtained from the UMIN-CTR database.

Download link

Downloading the UMIN-CTR data indicates your acceptance of the Terms and Conditions above.

UMIN-CTR snapshot(Japanese/English)
ctr_data_j.csv.zip / ctr_data_j.csv.gz
UMIN-CTR snapshot(English only)
ctr_data_e.csv.zip / ctr_data_e.csv.gz

If you find issues on this data, please contact us via inquiry form.