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Effectiveness of vaginal isosorbide mononitrate for cervical ripening in uncomplicated singleton pregnancies at 39 weeks gestation in an outpatient setting: A randomized controlled trial

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SLCTR Registration Number

SLCTR/2013/030


Date of Registration

23 Sep 2013

The date of last modification

Mar 03, 2019


Trial Status



Application Summary


Scientific Title of Trial

Effectiveness of vaginal isosorbide mononitrate for cervical ripening in uncomplicated singleton pregnancies at 39 weeks gestation in an outpatient setting: A randomized controlled trial


Public Title of Trial

Effectiveness of vaginal isosorbide mononitrate for cervical ripening in uncomplicated singleton pregnancies at 39 weeks gestation in an outpatient setting: A randomized controlled trial


Disease or Health Condition(s) Studied

Induction of labour


Scientific Acronym

None


Public Acronym

None


Brief title

Use of vaginal ISMN in an out patient basis at term


Universal Trial Number

None


Any other number(s) assigned to the trial and issuing authority

None


Trial Details


What is the research question being addressed?

What is the acceptability, effectiveness and safety of self administered vaginal isosorbide mononitrate (ISMN) in an outpatient setting to facilitate cervical ripening at term?


Type of study

Interventional


Study design

Allocation

Randomized controlled trial


Masking

Double blinded


Control

Placebo


Assignment

Parallel


Purpose

Treatment


Study Phase

Phase 0 (exploratory trials)


Intervention(s) planned

Consenting participants will be randomized into two arms.

The intervention arm will receive 5 doses of ISMN-SR 60mg to be self-administered vaginally at period of gestation (POG) of 39 weeks, 39 weeks & 2 days, 39 weeks & 4 days, 39 weeks & 6 days, 40 weeks & 1 day.

The control group will receive 5 doses of placebo (pyridoxine 10mg) to be self-administered vaginally at POG of 39 weeks, 39 weeks & 2 days, 39 weeks & 4 days, 39 weeks & 6 days, 40 weeks & 1 day.


Inclusion criteria

  1. Uncomplicated pregnancy at 39 weeks POG
  2. Singleton fetus having a cephalic presentation
  3. Modified Bishop's Score <5
  4. Consenting to self-administer the vaginal tablets every other day for five doses.

Exclusion criteria

  1. Any pregnancy complications e.g. Pregnancy Induced Hypertension, Gestational Diabetes Melitus
  2. Multiple pregnancies
  3. Planned Caesarean section
  4. Fetal Growth Restriction
  5. History of hypersensitivity or idiosyncratic reaction to nitrates.


Primary outcome(s)

1.

Spontaneous Onset Labour (SOL) between 39 weeks and 40 weeks + 2 days

[

POG of 40weeks + 2 days.

]
2.

Mean Modified Bishops Score (MBS) at 40weeks + 2 days

[

POG of 40weeks + 2 days.

]
3.

Change in mean MBS between 39 weeks and 40 weeks + 2 days.

[

POG of 40weeks + 2 days.

]

Secondary outcome(s)

1.

Mean MBS at 40 weeks + 6 days.

[

From 40 week + 2days to post delivery.

]
2.

Requirement of Artificial Separation of Membranes and/or vaginal PGE2 and/or intra cervical Foley catheter at 40 weeks + 6 days.

[

From 40 week + 2days to post delivery.

]
3.

Requirement of induction of labour with amniotomy and intra venous oxytocin infusion at 41 weeks.

[

From 40 week + 2days to post delivery.

]
4.

Mean induction delivery interval.

[

From 40 week + 2days to post delivery.

]
5.

Total dose of oxytocin used.

[

From 40 week + 2days to post delivery.

]
6.

Mode of delivery

[

From 40 week + 2days to post delivery.

]
7.

Side effects (headache, pelvic pain, nausea/vomiting, hot flushes, dizziness and palpitations)

[

From 40 week + 2days to post delivery.

]
8.

Maternal satisfaction (using a questionnaire)

[

From 40 week + 2days to post delivery.

]
9.

Neonatal outcomes

[

From the time of delivery up to discharge from the hospital

]

Target number/sample size

200 (100 in each arm)


Countries of recruitment

Sri Lanka


Anticipated start date

2013-10-01


Anticipated end date

2014-06-30


Date of first enrollment

2013-01-10


Date of study completion


Recruitment status

Complete: follow up complete


Funding source

None


Regulatory approvals



State of Ethics Review Approval


Status

Approved


Date of Approval

2013-08-27


Approval number

Not available


Details of Ethics Review Committee

Name: Ethics Review Committee, Faculty of Medicine, University of Ruhuna
Institutional Address:PO Box 70, Labuduwa Rd, Galle, Sri Lanka
Telephone:+94-91-2234801/803 (Extension: 161)
Email: ethics@med.ruh.ac.lk

Contact & Sponsor Information


Contact person for Scientific Queries/Principal Investigator

Professor Malik Goonewardene
Senior Senior Professor & Head of the department
Department of Obstetrics & Gynaecology, Faculty of Medicine,PO box 70, Galle.
091-2246878

091-2222314
malikg@eureka.lk

Contact Person for Public Queries

Professor Malik Goonewardene
Senior Professor & Head of the department
Department of Obstetrics & Gynaecology, Faculty of Medicine, PO box 70,Galle.
091-2246878

091-2222314
malikg@eureka.lk


Primary study sponsor/organization

University of Ruhuna

Department of Obstetrics & Gynaecology, Faculty of Medicine,PO box 70, Galle.
091-2246878
091-2222314
malikg@eureka.lk

Secondary study sponsor (If any)

None





Trial Completion details


Do the investigators plan to share identified individual clinical trial participant-level data (IPD)?


IPD sharing plan description


Study protocol available


Protocol version and date

Not Available


Protocol URL

Not Available


Results summary available

No


Date of posting results


Date of study completion


Final sample size


Date of first publication


Link to results


Brief summary of results