UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000003385
Receipt number R000004111
Scientific Title A prospective surveillance of cardiovascular events in antiplatelet-treated arteriosclerosis obliterans patients in Japan.
Date of disclosure of the study information 2010/03/26
Last modified on 2022/01/27 18:40:24

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Basic information

Public title

A prospective surveillance of cardiovascular events in antiplatelet-treated arteriosclerosis obliterans patients in Japan.

Acronym

SEASON

Scientific Title

A prospective surveillance of cardiovascular events in antiplatelet-treated arteriosclerosis obliterans patients in Japan.

Scientific Title:Acronym

SEASON

Region

Japan


Condition

Condition

Arteriosclerosis obliterans
Peripheral arterial disease

Classification by specialty

Medicine in general Cardiology Endocrinology and Metabolism
Vascular surgery Orthopedics Cardiovascular surgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The objectives of the study are to determine the prognosis of ASO patients receiving antiplatelet therapy, to explore the relationships between prognosis and the characteristics and risk factors of patients, and to compare the effectiveness of sarpogrelate in decreasing the event rate with those of other antiplatelet agents.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

Combined endpoint comprised of the following cardiovascular events;
- Cerebrovascular events
- Cardiovascular events
- Peripheral vascular events

Key secondary outcomes

Cerebrovascular events
Cardiovascular events
Peripheral vascular events
Total cardiovascular death
Fatal cerebrovascular events
Fatal cardiovascular events
Fatal peripheral vascular events
All causes of death
Amputation
Development of critical limb ischemia


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who meet both of the following criteria (1) and (2):
(1)Diagnosed with ASO and scheduled to receive long-term oral antiplatelet therapy.
(2)Not receiving sarpogrelate at the time of registration and meeting either of the following conditions:
- Scheduled to receive one of the antiplatelet agents under study.
- Scheduled to change to sarpogrelate or one of the other oral antiplatelet agents under study or receive it in addition to antiplatelet therapy.

Key exclusion criteria

The following subjects were excluded:
(1)Those with contraindications to the use of targeted medication (sarpogrelate or antiplatelet agents).
(2)Those considered inappropriate for the study by patient's physicians.

Target sample size

10000


Research contact person

Name of lead principal investigator

1st name Hiroshi
Middle name
Last name Shigematsu

Organization

International University of Health and Welfare
SANNO Medical Center

Division name

Vascular Disease Center

Zip code

107-0052

Address

8-5-35 Akasaka, Minato-ku, Tokyo 107-0052, JAPAN

TEL

03-3402-5581

Email

season@cc.mt-pharma.co.jp


Public contact

Name of contact person

1st name Masahide
Middle name
Last name Nakajima

Organization

Mitsubishi Tanabe Pharma Corporation

Division name

Pharmacovigilance Coordination & Administration Department

Zip code

541-8505

Address

3-2-10 Doshi-machi, Chuoh-ku, Osaka-shi, Osaka 541-8505, Japan

TEL

06-6205-5842

Homepage URL


Email

season@cc.mt-pharma.co.jp


Sponsor or person

Institute

Mitsubishi Tanabe Pharma Corporation

Institute

Department

Personal name



Funding Source

Organization

Mitsubishi Tanabe Pharma Corporation

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

-

Address

-

Tel

-

Email

season@cc.mt-pharma.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2010 Year 03 Month 26 Day


Related information

URL releasing protocol

http://www.readcube.com/articles/10.1253%2Fcircj.CJ-15-1048

Publication of results

Partially published


Result

URL related to results and publications

http://www.readcube.com/articles/10.1253%2Fcircj.CJ-15-1048

Number of participants that the trial has enrolled

11375

Results

<Journal Articles>
-Int Heart J. 51(5):337-42,2010.
-Circ J. 80(3):712-21,2016.
-Scientific Reports 7(1):6095,2017.
-Angiology Nov26,2018.
-Circ J. 83(9):1029-36,2019.

<Scientific Conference>
-The Annual Meeting of Japanese College of Angiology
53rd (2012)
54th (2013)
55th (2014)
-The Annual Scientific Meeting of the Japanse Curculation Society
77th (2013)
78th (2014)
79th (2015)
-European Society of Cardiology (2015)

Results date posted

2019 Year 03 Month 25 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results

2016 Year 02 Month 04 Day

Baseline Characteristics

Circ J. 80(3):712-21,2016.

Participant flow

Scientific Reports 7(1):6095,2017.

Adverse events

Not applicable.

Outcome measures

Scientific Reports 7(1):6095,2017.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Main results already published

Date of protocol fixation

2009 Year 06 Month 05 Day

Date of IRB


Anticipated trial start date

2009 Year 09 Month 01 Day

Last follow-up date

2013 Year 09 Month 01 Day

Date of closure to data entry

2014 Year 06 Month 13 Day

Date trial data considered complete

2014 Year 10 Month 07 Day

Date analysis concluded

2016 Year 06 Month 23 Day


Other

Other related information

The SEASON registry is a nationwide observational prospective cohort study with a two-year period of follow-up.


Management information

Registered date

2010 Year 03 Month 26 Day

Last modified on

2022 Year 01 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000004111


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name