NCT00930618

Brief Summary

The purpose of this trial is to determine whether cervical ripening with isosorbide mononitrate reduce caesarean section in women with post term pregnancies.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
1,409

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Jun 2009

Longer than P75 for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2009

Completed
28 days until next milestone

First Submitted

Initial submission to the registry

June 29, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 30, 2009

Completed
4.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2013

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2014

Completed
Last Updated

December 1, 2025

Status Verified

November 1, 2025

Enrollment Period

4.5 years

First QC Date

June 29, 2009

Last Update Submit

November 24, 2025

Conditions

Keywords

Prolonged pregnancyNulliparityCervical ripeningInduced laborCesarean section

Outcome Measures

Primary Outcomes (1)

  • Number of cesarean sections

    10 days

Secondary Outcomes (11)

  • Number of labor inductions

    10 days

  • Number of spontaneous labors

    10 days

  • Cesarean for failed labor induction

    10 days

  • Cesarean for FHR abnormalities

    10 days

  • Cesarean for arrested labor

    10 days

  • +6 more secondary outcomes

Study Arms (2)

IMN

EXPERIMENTAL

Isosorbide mononitrate

Drug: IMN

Placebo

PLACEBO COMPARATOR

Administration of placebo of IMN

Drug: Placebo

Interventions

IMNDRUG

Administration of 2 x 20 mg of isosorbide mononitrate at each administration with a maximum of three administrations

IMN

Administration of 2 X 20 mg of placebo of IMN at each administration with a maximum of three administration

Placebo

Eligibility Criteria

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

You may qualify if:

  • Age \> or = 18 years old
  • TAS \> or = 95 mmHg
  • Singleton
  • Nulliparity
  • Term \> or = 41 weeks + 0 day
  • Bishop score \< or = 5
  • Vertex presentation
  • Intact membranes
  • No contra-indications of the study treatment
  • No maternal or fetal diseases which could indicate immediate labor induction
  • Written informed consent

You may not qualify if:

  • Multiple pregnancy
  • Multiparity
  • Term \< 41 weeks
  • Bishop score \> 5
  • Breech presentation
  • Rupture of the membranes
  • Previous cesarean
  • Indication to immediate labor induction
  • Contraindications to isosorbide mononitrate
  • No co-administration of antihypertensive drugs
  • No social security

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Robert Debré Hospital

Paris, 75019, France

Location

Related Publications (1)

  • Schmitz T, Fuchs F, Closset E, Rozenberg P, Winer N, Perrotin F, Verspyck E, Azria E, Carbonne B, Lepercq J, Maillard F, Goffinet F; Groupe de Recherche en Obstetrique et Gynecologie (GROG). Outpatient cervical ripening by nitric oxide donors for prolonged pregnancy: a randomized controlled trial. Obstet Gynecol. 2014 Dec;124(6):1089-1097. doi: 10.1097/AOG.0000000000000544.

MeSH Terms

Conditions

Pregnancy, Prolonged

Condition Hierarchy (Ancestors)

Pregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Study Officials

  • François Goffinet, MD, PhD

    Scientific Responsible

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 29, 2009

First Posted

June 30, 2009

Study Start

June 1, 2009

Primary Completion

December 1, 2013

Study Completion

April 1, 2014

Last Updated

December 1, 2025

Record last verified: 2025-11

Locations