Tamoxifen to Reduce Unscheduled Bleeding in New Users of the Levonorgestrel-releasing Intrauterine System (LNG-IUS)
1 other identifier
interventional
42
1 country
1
Brief Summary
This study evaluates the ability of tamoxifen to improve frequent or prolonged bleeding in new users of the 52mg levonorgestrel-releasing intrauterine device (IUD). Half of participants will receive a course of tamoxifen three weeks after insertion of the IUD, while the other half of participants will receive a course of placebo.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_4
Started Sep 2016
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
First Submitted
Initial submission to the registry
July 2, 2016
CompletedFirst Posted
Study publicly available on registry
July 6, 2016
CompletedStudy Start
First participant enrolled
September 6, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 8, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
January 8, 2018
CompletedResults Posted
Study results publicly available
May 21, 2019
CompletedJune 4, 2019
May 1, 2019
1.3 years
July 2, 2016
April 8, 2019
May 23, 2019
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Bleeding and Spotting Days
Mean number of bleeding and spotting days in the tamoxifen group compared to the mean number of bleeding and spotting days in the placebo group
30 days after initiation of study drug
Secondary Outcomes (3)
Bleeding Pattern Satisfaction
30 days after initiation of study drug
IUD Satisfaction
30 days after initiation of study drug
Adverse Events
30 days after initiation of study drug
Other Outcomes (3)
Total Number of Bleeding/Spotting Episodes
60 days after initiation of study drug
Number of Prolonged Bleeding Episodes (>8 Days)
60 days after initiation of study drug
Longest Bleed-free Interval
60 days after initiation of study drug
Study Arms (2)
Tamoxifen
EXPERIMENTALTamoxifen 10mg tablet by mouth twice daily for 7 days
Placebo
PLACEBO COMPARATORPlacebo tablet (for tamoxifen tablet) by mouth twice daily for 7 days
Interventions
10mg PO (by mouth) twice daily for 7 days starting on day 21 after IUD insertion for one course
Eligibility Criteria
You may qualify if:
- initiating use of 52mg levonorgestrel-releasing IUD for contraceptive purposes
- access to reliable cell phone
- willing to receive and respond to daily text or email message to assess bleeding
You may not qualify if:
- using IUD for indication other than contraception
- postpartum within 6 months, pregnant, or breastfeeding
- removal and replacement of IUD
- undiagnosed abnormal uterine bleeding prior to placement of IUD
- bleeding dyscrasia
- anti-coagulation use
- active cervicitis
- allergy to tamoxifen
- history of venous thromboembolism
- personal history of breast or uterine malignancy
- use of medication contraindicated with use of tamoxifen (coumadin, letrozole, bromocriptine, rifampicin, aminoglutethimide, phenobarbital)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
OHSU Center For Women's Health
Portland, Oregon, 97239, United States
Related Publications (1)
Cohen MA, Simmons KB, Edelman AB, Jensen JT. Tamoxifen for the prevention of unscheduled bleeding in new users of the levonorgestrel 52-mg intrauterine system: a randomized controlled trial. Contraception. 2019 Nov;100(5):391-396. doi: 10.1016/j.contraception.2019.06.009. Epub 2019 Jun 18.
PMID: 31226322DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Ob/Gyn Regulatory Specialist
- Organization
- Oregon Health & Science University
Study Officials
- STUDY DIRECTOR
Megan A Cohen, MD, MPH
Oregon Health and Science University
Publication Agreements
- PI is Sponsor Employee
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Leon Speroff Professor of Obstetrics & Gynecology
Study Record Dates
First Submitted
July 2, 2016
First Posted
July 6, 2016
Study Start
September 6, 2016
Primary Completion
January 8, 2018
Study Completion
January 8, 2018
Last Updated
June 4, 2019
Results First Posted
May 21, 2019
Record last verified: 2019-05
Data Sharing
- IPD Sharing
- Will not share