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CompletedNCT03670784Updated May 5, 2022

Occurrence and Trend of Pregnancies Growing Outside the Womb (Ectopic Pregnancy) 2009-2018. A Study on a Defined Group of Persons

An observational study in Pregnancy, Ectopic, sponsored by Bayer. Completed at 1 site in United States. Open to female participants aged 15 Years to 44 Years. Per ClinicalTrials.gov, last updated 2022-05-05.

Sponsored by Bayer · Observational

Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
3,922,877
Ages
15 Years to 44 Years
Sex
Female
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Study summary

In this trial researchers want to learn more about the occurrence of pregnancies growing outside the womb over the last decade (2009-2018) and the potential risk factors associated with pregnancies growing outside the womb. Electronic data in women who were age 15 to 44 years abstracted from health care systems such as electronic health records (EHR), regional claims systems and administrative databases were used to address research questions on ...

  • occurrence and trends of pregnancies growing outside the womb;
  • influence of method of contraception used on occurrence and trends of pregnancies growing outside the womb;
  • potential risk factors associated with pregnancies growing outside the womb;
  • trends in management of pregnancies growing outside the womb over the last decade.
Read the detailed description

The overall goal of this study is to assess the incidence rate of ectopic pregnancy over the last decade in a representative population of US women and potential risk factors associated with ectopic pregnancy.

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Conditions studied

  • Pregnancy, Ectopic

Browse trials for

Keywords

  • Ectopic pregnancy
  • Electronic medical records
  • Chart Review
  • Intrauterine device (IUD)
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In context

Pregnancy, Ectopic

83 studies on the registry are indexed under Pregnancy, Ectopic; 21 are open to participants now.

This study's enrollment of 3,922,877 is above the median of 150 across 39 observational studies indexed under Pregnancy, Ectopic.

Browse Pregnancy, Ectopic studies →

Lead sponsor

Bayer is the lead sponsor of 1,674 studies on the registry; 51 are open to participants now.

Of its 214 completed or terminated interventional studies of FDA-regulated products, 132 (62%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
15 Years to 44 Years
Sexes eligible
Female
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Health-insured women of reproductive age from California (USA)

Eligibility criteria

Inclusion Criteria:

  • Women of age 15 to 44 years between 01-Jan-2009 and 31-Dec-2018
  • Women enrolled in health plans Kaiser Permanente Northern California (KPNC) and Kaiser Permanente Southern California (KPSC)
  • Women with at least 12 months membership in KPNC and KPSC prior to enrollment
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Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
3,922,877 participants (actual)
Patient registry
No

Groups and cohorts

  • Women_KPNC

    Women of reproductive age who are enrolled in the US-health plan Kaiser Permanente Northern California (KPNC).

    Other: No intervention

  • Women_KPSC

    Women of reproductive age who are enrolled in the US-health plan Kaiser Permanente Southern California (KPSC).

    Other: No intervention

Interventions

  • OtherNo intervention

    No intervention, epidemiological investigation

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What researchers measure

Primary outcomes

  1. Number of ectopic pregnancies

    Overall and during contraceptive use

    Time frame: Retrospective analysis of data from 2009 to 2018

  2. Person-time at risk

    Person-time at risk is the time without ectopic pregnancy \[in years, months, or days\] that all subjects contributed to the study since enrollment.

    Time frame: Retrospective analysis of data from 2009 to 2018

  3. Number of ectopic pregnancies

    During contraceptive and non- contraceptive use

    Time frame: Retrospective analysis of data from 2009 to 2019

Secondary outcomes

  1. Risk factors for ectopic pregnancies

    Investigated risk factors comprise various demographic and clinical factors, contraceptive use and reproductive factors.

    Time frame: Retrospective analysis of data from 2009 to 2018

  2. Accuracy of electronic health data to identify diagnosis of ectopic pregnancy

    Assessment by chart review of random samples of 0.001% of women per site and year.

    Time frame: Retrospective analysis of data from 2009 to 2018

  3. Accuracy of electronic health data to identify contraceptive method at time of diagnosis of ectopic pregnancy

    Assessment by chart review of random samples of 0.001% of women per site and year.

    Time frame: Retrospective analysis of data from 2009 to 2018

  4. Accuracy of electronic health data to identify contraceptive method over time

    Assessment by chart review of random samples of 0.001% of women per site and year.

    Time frame: Retrospective analysis of data from 2009 to 2018

  5. Accuracy of electronic health data to identify induced abortions

    Assessment by chart review of random samples of 0.001% of women per site and year.

    Time frame: Retrospective analysis of data from 2009 to 2018

  6. Numbers of ectopic pregnancies managed surgically

    Time frame: Retrospective analysis of data from 2009 to 2018

  7. Numbers of ectopic pregnancies managed medically

    Time frame: Retrospective analysis of data from 2009 to 2018

  8. Risk factors for ectopic pregnancies

    Risk factors will be investigated in women with current contraceptive use and non-contraceptive

    Time frame: Retrospective analysis of data from 2009 to 2019

  9. Accuracy of the contraceptive algorithm

    Trained abstractors will conduct chart reviews.

    Time frame: Retrospective analysis of data from 2009 to 2019

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Study locations

1 site
  • Kaiser Permanente
    San Francisco, California 94115, United States
08

References and documents

Individual participant data

Plan to share: Undecided — Availability of this study's data will be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.clinicalstudydatarequest.com to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the Study sponsors section of the portal.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 5, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT03670784
Lead sponsor
Bayer
Responsible party
Sponsor
First posted
Sep 14, 2018
Start date
Dec 1, 2018
Primary completion
Apr 30, 2021
Completion
Apr 30, 2021
Last update
May 5, 2022

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2022. You cannot join it, but the record below documents what was studied.

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