- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05215873
Induction of Labor in Pregnant Women With Prelabor Rupture of Membranes - Oxytocin or Misoprostol
Oxytocin Versus Oral Misoprostol for Induction of Labor in Pregnant Women With Term Prelabor Rupture of Membranes
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Type of Study: Randomized controlled clinical trial. Study Setting: The study will be conducted at Ain Shams University Maternity Hospital (ASUMH) at labor ward.
Study Population: pregnant women attending at Ain Shams University Maternity Hospital for induction of labor at term
Sample Size: The study will be conducted on (170) women; they will be subdivided into 2 groups.
- 1st group (misoprostol group): induction of labor by 25µg misoprostol oral tablet every 4 hours with maximum200 µg.
- 2nd group (oxytocin group:control group): induction of labor done by administration of oxytocin infusion according to ASUMH local protocol.
- Sample size Justification: Using PASS 11program for sample size calculation and according to (Zeteroğlu S et al, 2006), the expected mean interval from induction to delivery in misoprostol group=10.61 ± 2.45 hours and oxytocin group=11.57 ± 1.91 hours. Sample size of 85 women per group can detect the difference between two group with power80% setting alpha error at 0.05.
Study procedures and interventions:
- After approval of study protocol; pregnant women attending Ain Shams University Maternity Hospital for induction of labor will be enrolled into the study according to inclusion and exclusion criteria.
History taking, examination and investigation will be done to choose eligible patients.
History: personal, obstetric history, past history (any medical or surgical disorder)
Examination:
General: pulse, blood pressure, temperature. Abdominal: size of the uterus, previous scar, presentation Per vaginal examination (PV): assessment of Bishop Score. Investigations: Routine laboratory: (CBC, Urine analysis, blood group and Rh typing) and ultrasound for (viability of fetus, fetal biometry and estimated fetal weight, amniotic fluid, placental localization), admission fetal heart rate (FHR) assessment (non-stress test "NST")
- Eligible patients will be randomized using a computer-generated sequence 1:1 either to the misoprostol group or to oxytocin group.
The supervisor will do all procedures. Randomization: Will be done using computer generated randomization sheet using Med calc. ©.
Allocation and concealment: will be done using sealed opaque envelopes. Each woman will be invited to pull out an envelope, and according to the letter within she will be allocated to either group (group A: oral misoprostol; group B: oxytocin group) 4. Intervention:
- st group (Misoprostol group): induction of labor by 25µg misoprostol oral tablet every 4 hours maximum200 µg.( Alfirevic Z et al., 2014)
- nd group (Oxytocin group): oxytocin infusion according to ASUMH oxytocin protocol.
Syntocinon Mix: {if patient fit for induction} Put 3 international units "IU" oxytocin (3000mIU) +50ml of normal saline in syringe pump= (60mIU/ml).
Commence at 1ml/hour (1mIU/min) for 1/2 hour.
- If contractions inadequate +fetal monitor healthy 2 ml/hour for 1/2 hour.
- If contractions inadequate +fetal monitor healthy 4 ml/hour for 1/2 hour.
- If contractions inadequate +fetal monitor healthy 6 ml/hour for 1/2 hour.
- If contractions inadequate +fetal monitor healthy increase by 2ml/hr. for max. 27ml/hour.
At any point there's fetal or maternal distress (e.g. pathological FHR pattern, antepartum hemorrhage, etc.) the study intervention will be stopped, and the maternal/fetal condition will be managed by cesarean section.
5. Follow up: Continuous electronic fetal heart rate monitoring Maternal: vital data, uterine contractions, cervical changes (PV/4hours). Time to active phase (cervical dilatation: 6cm) will be noted, and then follow-up monitoring till delivery.
6. End point: Reaching maximum dose of drugs with failure of induction of labor in which another decision should be taken. Also, at any point there's fetal or maternal distress (e.g. pathological FHR pattern, antepartum hemorrhage, etc.) the study intervention will be stopped, and the maternal/fetal condition will be managed accordingly.
7. Data collection and recording case record form: The data will be collected in a case report form (age, parity, gestational age, blood pressure, bishop score on admission, time till active phase, induction to delivery interval, any side effects if present, mode of delivery, birth weight, neonatal intensive care unit (NICU) admission, Apgar score, hospital stay, maternal intensive care unit (ICU) admission.
Statistical analysis:
The collected data will be revised, coded, tabulated and introduced to a personal computer (PC) using Statistical package for Social Science (SPSS 20.0.1 for windows; SPSS Inc, Chicago, 2001). Quantitative variables will be expressed as mean and standard deviation (SD), or median and interquartile range (IQR) according to type of data. Qualitative variables are expressed as frequencies and percentages. Student t test and Mann Whitney test will be used to compare a continuous variable between two study groups. Chi square test will be used to examine the relationship between categorical variables. A P-value< 0.05 will be considered statistically significant.
Ethical and Safety Consideration:
This study will be done after approval of the ethical committee ,faculty of Medicine, Ain Shams University. Informed consent will be taken from all participants before recruitment in the study, and after explaining the purpose and procedures of the study. The investigator will obtain the written, signed informed consent of each subject prior to performing any study specific procedures on the subject. All data will be collected confidentially. At any point there's fetal or maternal distress (e.g. pathological FHR pattern, antepartum hemorrhage, etc.) the study intervention will be stopped, and the maternal/fetal condition will be managed accordingly.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
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Cairo, Egypt
- Ain Shams Maternity Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Gestational age (36-42 weeks).
- Prelabor rupture of membranes within the last 24hours
- Vertex presentation
Exclusion Criteria:
- History of medical diseases (HTN, diabetes milletus, systemic lupus erythematosus, cardiac, etc.).
- Antepartum hemorrhage
- Chorioamnionitis / prelabor rupture of membranes >24hours
- Multiple pregnancy.
- Abnormal fetal heart rate pattern upon admission
- Intrauterine growth restriction
- Fetal malpresentation.
- Previous uterine scar.
- Estimated fetal weight more than 4kg.
- Patients already in labor
- Contraindication for prostaglandin/oxytocin use (allergy,..)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: misoprostol group
25µg misoprostol oral tablet every 4 hours with maximum200 µg
|
a synthetic prostaglandin E1 analogue
Other Names:
|
Active Comparator: oxytocin group
oxytocin infusion according to ASUMH local protocol: Put 3IU oxytocin (3000mIU) +50ml of normal saline in syringe pump= (60mIU/ml). Commence at 1ml/hour (1mIU/min) for 1/2 hour.
At any point there's fetal or maternal distress (e.g. pathological FHR pattern, antepartum hemorrhage, etc.) the study intervention will be stopped, and the maternal/fetal condition will be managed by cesarean section. |
synthetic oxytocin
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
vaginal delivery
Time Frame: immediately after the intervention
|
rate of successful vaginal delivery
|
immediately after the intervention
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
induction to active phase time
Time Frame: during the intervention
|
Time interval from starting induction till active phase (6cm dilatation)
|
during the intervention
|
Induction to delivery time
Time Frame: during the intervention
|
Time interval from starting induction till delivery
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during the intervention
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Apgar score
Time Frame: The score is reported at 1 minute and 5 minutes after birth for all infants
|
This scoring system provides a standardized assessment for infants after delivery.
The Apgar score comprises five components: 1) color, 2) heart rate, 3) reflexes, 4) muscle tone, and 5) respiration, each of which is given a score of 0, 1, or 2.
|
The score is reported at 1 minute and 5 minutes after birth for all infants
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NICU admission
Time Frame: within 24hours after birth
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number of newborns admitted to the neonatal intensive care unit
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within 24hours after birth
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maternal side effects
Time Frame: during labour and within 24hours after birth
|
number of participants with temperature >38 degree celsius
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during labour and within 24hours after birth
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Mohamed S Sweed, MD, Professor
- Study Chair: Gasser A Elbishry, MD, Professor
Publications and helpful links
General Publications
- Alfirevic Z, Aflaifel N, Weeks A. Oral misoprostol for induction of labour. Cochrane Database Syst Rev. 2014 Jun 13;2014(6):CD001338. doi: 10.1002/14651858.CD001338.pub3.
- Zeteroglu S, Engin-Ustun Y, Ustun Y, Guvercinci M, Sahin G, Kamaci M. A prospective randomized study comparing misoprostol and oxytocin for premature rupture of membranes at term. J Matern Fetal Neonatal Med. 2006 May;19(5):283-7. doi: 10.1080/14767050600589807.
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 (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Wounds and Injuries
- Pregnancy Complications
- Obstetric Labor Complications
- Rupture
- Fetal Membranes, Premature Rupture
- Physiological Effects of Drugs
- Gastrointestinal Agents
- Reproductive Control Agents
- Anti-Ulcer Agents
- Abortifacient Agents, Nonsteroidal
- Abortifacient Agents
- Oxytocics
- Oxytocin
- Misoprostol
Other Study ID Numbers
- FMASU MS 733/2020/2021
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- ANALYTIC_CODE
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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