Clinical trial on the relationship between oral contraceptives and thromboembolism in the patient with thrombophilia

Clinical trial on the relationship between oral contraceptives and thromboembolism in the patient with thrombophilia - Clinical trial on the relationship between oral contraceptives and thromboembolism in the patient with thrombophilia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000014541

Enrollment

1350

Registered

2014-07-22

Start date

2014-07-22

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

Thromboembolism

Interventions

None listed

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Women who are planning oral contraceptives

Exclusion criteria

Exclusion criteria: 1. Women who took oral contraceptives within three months 2. Women who delivered within three months 3. Women who take anticoagulant and/or antiplatelet agents 4. Emergency contraception 5. Women who are less than 18 years-old 6. Women who do not wish for disclosing the individual results such as hereditary disposition

Design outcomes

Primary

Measure	Time frame
1. The reduction rate of protein S levels after oral contraceptives 2. The relationship between protein S levels and thrombophilia	—

Secondary

Measure	Time frame
1. The prevalence of thromboembolism 2. The relationship between thromboembolism and thrombophilia	—

Countries

Japan

Contacts

Public ContactTakekazu Miyoshi

National Cerebral and Cardiovascular Center of Japan Department of Perinatology and Gynecology

gomiyoshi0327@yahoo.co.jp+81-6-6833-5012

Outcome results