INAS-FOCUS (International Active Surveillance Study - Folate in Oral Contraceptives Utilization Study)
International Active Surveillance Study - Folate in Oral Contraceptives Utilization Study
3 other identifiers
observational
82,921
1 country
1
Brief Summary
The study compares the risks of short- and long-term use of contraceptives containing drospirenone (DRSP) or dienogest (DNG)/ethinylestradiol (EE) plus levomefolate calcium (metafolin) with the risks of short- and long-term use of other established oral contraceptives (OCs).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Nov 2010
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 22, 2010
CompletedFirst Submitted
Initial submission to the registry
December 23, 2010
CompletedFirst Posted
Study publicly available on registry
December 24, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 29, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
October 2, 2019
CompletedJuly 28, 2020
July 1, 2020
8.9 years
December 23, 2010
July 27, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Absolute risk of Venous Thromboembolic Events
Within 6 years
Absolute risk of Acute Myocardial Infarction
Within 6 years
Absolute risk of Cerebrovascular Accidents
Within 6 years
Secondary Outcomes (2)
Colorectal cancer
Within 6 years
Other cancer entities
Within 6 years
Study Arms (2)
DRSP/EE/metafolin
Women using oral contraceptives containing drospirenone, ethinylestradiol and metafolin
Other OC users
Women using oral contraceptives containing other estrogen/progestogen combinations
Eligibility Criteria
Women using oral contraceptives
You may qualify if:
- Women starting OC use ("starters")
- Women switching OC use without a pill intake break ("switchers")
- Women restarting OC use after a pill intake break ("restarters")
- Women willing to participate in the active surveillance
You may not qualify if:
- Long-term users
- Women who do not agree to participate
- Women with a language barrier
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Center for Epidemiology and Health Research, Germanylead
- Bayercollaborator
Study Sites (1)
Center for Epidemiology and Health Research
Berlin, 10115, Germany
Study Officials
- PRINCIPAL INVESTIGATOR
Juergen C Dinger, PhD, MD
Center for Epidemiology and Health Research
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
December 23, 2010
First Posted
December 24, 2010
Study Start
November 22, 2010
Primary Completion
September 29, 2019
Study Completion
October 2, 2019
Last Updated
July 28, 2020
Record last verified: 2020-07