NCT01862991

Brief Summary

This research study investigates the use of a drug, mifepristone, given before second trimester abortion. Mifepristone is a medication that is approved for medical abortion during the first trimester. It also has been used prior to abortion in the early seconds trimester (14-16 weeks gestation) and for medication abortion in the second trimester (also called induction abortion). This medication has effects on the uterus that may help dilate, or open, the cervix. Abortion requires opening of the cervix to safely remove the pregnancy. Cervical dilation, or opening, is essential to both ease of completion of procedure and reducing complications that can occur. These complications include laceration, or tearing, of the cervix and perforation of the uterus (a hole made unintentionally in the muscle wall of the uterus) and are not expected to be increased in the study. Dilation of the cervix is usually achieved by placing thin rods (cervical dilators) through the cervix. These rods then absorb the moisture of the vagina and slowly expand, opening the cervix. The standard method of dilation is performed at the clinic and involves the placement of cervical dilators the day before the procedure. This procedure can be uncomfortable. A prior study showed that mifepristone reduces the number of osmotic dilators that need to be placed prior to the procedure after 19 weeks gestation. We aim to investigate mifepristone as a potential adjunct to cervical dilation or used alone, without dilators, as method of cervical preparation with the hopes of reducing barriers imposed by painful procedures and time in clinic and away from work/home that the current approach involving dilators requires.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
80

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jul 2013

Typical duration for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

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

May 22, 2013

Completed
5 days until next milestone

First Posted

Study publicly available on registry

May 27, 2013

Completed
1 month until next milestone

Study Start

First participant enrolled

July 1, 2013

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2016

Completed
1 year until next milestone

Results Posted

Study results publicly available

June 1, 2017

Completed
Last Updated

February 14, 2024

Status Verified

January 1, 2024

Enrollment Period

2.9 years

First QC Date

May 22, 2013

Results QC Date

February 7, 2017

Last Update Submit

January 19, 2024

Conditions

Keywords

Induced AbortionMifepristoneDilation and EvacuationCervical PreparationOsmotic Dilators

Outcome Measures

Primary Outcomes (1)

  • Procedure Time

    Measured as time from speculum insertion to removal

    Intraoperative Time, Collected immediately within procedure

Secondary Outcomes (1)

  • Adverse Events

    Intraoperatively and 2 weeks post operatively

Study Arms (3)

Dilapan-Placebo

PLACEBO COMPARATOR

The clinician will place 4 or 5 osmotic cervical dilators (Dilapan-S)(4mm x 65mm). The patient will be administered a placebo pill orally with juice or water by the clinician or study investigator. Patients that are over 22 weeks gestation will receive 1mg of intra-amniotic digoxin the day prior to the procedure.

Other: Hygroscopic cervical dilatorsDrug: MisoprostolDrug: Intra-amniotic digoxin

Dilapan-Mifepristone

ACTIVE COMPARATOR

The clinician will place 4 or 5 osmotic cervical dilators (Dilapan-S) (4mm x 65mm). The patient will be administered mifepristone (200mg) orally with juice or water by the clinician or study investigator.Patients that are over 22 weeks gestation will receive 1mg of intra-amniotic digoxin the day prior to the procedure.

Other: Hygroscopic cervical dilatorsDrug: MisoprostolDrug: Intra-amniotic digoxinDrug: Mifepristone

Mifepristone

EXPERIMENTAL

The patient will be administered mifepristone (200mg) orally with juice or water by the clinician or study investigator. Patients that are over 22 weeks gestation will receive 1mg of intra-amniotic digoxin the day prior to the procedure.

Drug: MisoprostolDrug: Intra-amniotic digoxinDrug: Mifepristone

Interventions

Dilapan-S osmotic cervical dilators inserted through the internal os.

Also known as: Dilapan-S
Dilapan-MifepristoneDilapan-Placebo

400 mcg buccal misoprostol 90 pre-op

Dilapan-MifepristoneDilapan-PlaceboMifepristone

1mg digoxin administered intra-amniotically \~24 hours pre-op in patients that are greater than 22 weeks gestation

Dilapan-MifepristoneDilapan-PlaceboMifepristone

200 mcg Mifepristone orally

Also known as: Danco, Mifeprex
Dilapan-MifepristoneMifepristone

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • \>18 years old
  • Viable, Singleton pregnancy
  • Voluntarily seeking abortion between 19 and 24 wks gestation
  • Able to give informed consent and comply with study protocol
  • Fluent in English or Spanish

You may not qualify if:

  • Allergy to misoprostol or mifepristone

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Santa Clara Valley Medical Center

San Jose, California, 95128, United States

Location

Stanford University Medical Center

Stanford, California, 94305, United States

Location

MeSH Terms

Conditions

Dilatation, Pathologic

Interventions

MisoprostolMifepristone

Condition Hierarchy (Ancestors)

Pathological Conditions, AnatomicalPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Prostaglandins E, SyntheticProstaglandins, SyntheticProstaglandinsEicosanoidsFatty Acids, UnsaturatedFatty AcidsLipidsAutacoidsInflammation MediatorsBiological FactorsEstrenesEstranesSteroidsFused-Ring CompoundsPolycyclic Compounds

Results Point of Contact

Title
Principal Investigator
Organization
Stanford University

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 22, 2013

First Posted

May 27, 2013

Study Start

July 1, 2013

Primary Completion

June 1, 2016

Study Completion

June 1, 2016

Last Updated

February 14, 2024

Results First Posted

June 1, 2017

Record last verified: 2024-01

Locations