- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02852265
Nexplanon and Combined Oral Contraceptive (COC) Combined Use Study (NexTOC)
Nexplanon Use in Women Primarily Choosing a Combined Hormonal Contraceptive: a Proof of Concept Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The investigators will recruit women being seen in a UC Davis medical office or who contact our research office. Potential participants must be women currently COCs or intending to initiate COCs at the time of the office visit. The investigators expect that most women will be recruited while in the office who decide to initiate COCs or are continuing COC use-these women will be offered the ability to talk to research staff about the study.
Visit 1:
Informed consent will be obtained. As part of informed consent, subjects will be educated that there is little data available on the adverse effects of combined COC and ENG implant use. The consent form will include a standardized description of the side effects and bleeding profile of COCs and the implant. Subjects will also need to review the package label information for Nexplanon and sign the FDA-required Nexplanon consent. After obtaining informed consent, subjects will be screened for entry criteria. Medical history will be obtained. A urine pregnancy test will be performed. Eligible subjects will receive a prescription for the desired COC (if needed) and have a Nexplanon contraceptive implant placed. A diary will be dispensed for the subject to document daily bleeding, COC use and adverse events.
Follow-up A follow-up visit will occur at 1 month (+1 week) and 3 and 6 months (+2 weeks). The diary will be reviewed and a copy made to keep with the source documentation. Adverse events will be determined by inquiry and diary review. The subject will inform the study staff if she is using her COC and if she wants to continue use of her COC and ENG implant. At the 1 and 3 month visits, additional diaries will be dispensed as needed. The ENG implant will be removed upon request at any time during the study.
A phone call will occur approximately 1 week prior to the 3 and 6 month visits to check status and remind subject of the scheduled visit. Study participation will be complete after the 6 month follow-up visit.
No surveys will be used that the subject fills out herself. A daily diary will be used.
No blood draws will occur during this study.
Data to be collected by study staff include demographics, past medical and gynecologic history, prior and current contraceptive use, and reason for using COC (contraception, medical or both).
Because women are being enrolled who are already currently using COCs or who plan to start COCs, the COC is not a study drug. The study intervention (study drug) is the contraceptive implant. The systemic hormone exposure with a contraceptive implant is minimal relative to a COC. We would not expect any increase in side effects by adding a contraceptive implant to COC users. Of note, the primary risk with COC use is related to the estrogen which can increase the risk of venous thromboembolic disease. The implant has no estrogen. All products being used in the study are FDA-approved for contraception.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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California
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Sacramento, California, United States, 95817
- University of California, Davis
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion:
- Women being seen in a UC Davis medical office or who contact our research office.
- Potential participants must be women currently COCs or intending to initiate COCs at the time of the office visit.
Exclusion:
- Women who have contraindications to using a COC or a contraceptive implant (Category 3 or 4 in the CDC Medical Eligibility Criteria) will be excluded.
- Adults unable to consent
- Individuals who are not yet adults (infants, children, teenagers)
- Pregnant women
- Prisoners
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: COC users or new starts
Subjects will have a etonogestrel contraceptive implant placed at enrollment.
Women using COC as method of contraception for at least 1 month will be considered COC users.
Women starting a COC or recently started a COC within the past month will be considered new starts.
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Place nexplanon
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants Evaluating ENG as Acceptable: Acceptability (Measurement: Questionnaire)
Time Frame: 6 months
|
Evaluate the acceptability (continuation of the implant throughout the study) of concomitant etonogestrel (ENG) implant use in women choosing a combined oral contraceptive (COC) for contraception
|
6 months
|
Number of Participants Evaluating ENG as Tolerable: Tolerability (Measurement: Diaries and Questionnaire)
Time Frame: 6 months
|
Evaluate the tolerability (side effects) of concomitant etonogestrel (ENG) implant use in women choosing a combined oral contraceptive (COC) for contraception
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6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Patient Interest (Measurement: Ability to Enroll)
Time Frame: 6 months
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Demonstrate that women desiring a COC are willing to use ENG implant concomitantly as a continuous "back-up" contraceptive
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6 months
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Bleeding Patterns (Measurement: Diaries)
Time Frame: 6 months
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Bleeding patterns while using a COC concomitantly with ENG implant
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6 months
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COC Continuation Rate (Measurement: Participant Interview)
Time Frame: 6 months
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Continuation rate of COC over 6 months of evaluation regardless on whether or not the implant was still present at 6 months
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6 months
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Post-study Method Plan (Measurement: Participant Interview)
Time Frame: 6 months
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Plan to continue the COC and/or implant after the study based on interview at last visit
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6 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Mitchell Creinin, MD, Univeristy of California, Davis
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 890433
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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