Induction of Labour Clinical Trial
— INDOBAOfficial title:
Effectiveness and Safety of Induction of Labour Using a Double Balloon Catheter (INDOBA)
The goal of induction of labor is to achieve vaginal delivery by stimulating uterine
contractions before the spontaneous onset of labor. Generally, induction of labor has merit
as a therapeutic option when the benefits of expeditious delivery outweigh the risks of
continuing the pregnancy.
The first part of this process is called cervical ripening. The goal is to facilitate the
process of cervical softening, thinning, and dilating with resultant reduction in the rate of
failed induction and induction to delivery time. Cervical remodeling is a critical component
of normal parturition.
Effective methods for cervical ripening include the use of mechanical and pharmacological
methods.
There are many induction methods: pharmacological and mechanical.
Nowadays, induction of labour is one of the most frequent obstetric interventions, performed
in 25% of pregnancies. Generally, better maternal and neonatal outcomes are achieved if the
risks of continuing pregnancy outweigh the benefits.
Cervical ripening is the first part of the induction process, which consists in relaxing and
softening the uterine cervix prior to the onset of uterine dynamics.
For this purpose, there are available pharmacological (mainly prostaglandin) and mechanical
methods (including the balloon probes: Foley catheter or double cervical balloon). Despite
being equally effective in vaginal delivery and caesarean section rate, there has been
registered an increased risk of uterine hyperdynamic with the use of prostaglandin in
contrast to the use of balloon probes, which may lead to an increased risk of fetal distress.
Concerning balloon probes, various published studies conclude that it is an effective and
safe cervical ripening method, without increasing the risk of maternal infection
(chorioamnionitis / endometritis) or neonatal infection.
The use of balloon probes could be established as first-choice method of induction of labour,
reducing the risk of uterine hyperdynamic and the likelihood of intrauterine fetal distress
derived from the use of prostaglandin.
The balloon probe safety makes it an ideal method for performing cervical ripening at home
(out-patient) in low-risk pregnancies, increasing the satisfaction of women who desire it and
reducing the economic cost for the hospital.
The purpose of this study is to assess the effectiveness and safety of double balloon
catheter (CRB-Cook®) in induction of labour.
The main objective is to provide evidence that there are no differences in caesarean section
rate between induction of labour performed with Cook double balloon catheter in out-patient
and in-patient compared with a cohort of induction of labour with pharmacological methods
(dinoprostone and misoprostol).
Two clinical studies will be carried out for this purpose:
1. Prospective cohort observational study
2. Historical case-control study
Status | Recruiting |
Enrollment | 200 |
Est. completion date | February 2, 2021 |
Est. primary completion date | November 1, 2020 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Pregnant women - Age: ? 18 years - Ability to read and understand informed consent - Unique or multiple pregnancies (monochorionic or dichorionic twins) - ?37 weeks of pregnancy - Unfavourable cervix (Bishop test: < 7) Exclusion Criteria: - >2 foetus pregnancies - < 37 or ?42 weeks of pregnancy - Prelabour rupture of membranes - Vaginal delivery contraindication - Placenta previa (occlusive and not occlusive) - Vasa previa - Transverse or oblique lie - Umbilical cord procubitus or prolapse - Corporal uterine surgery with entrance into the uterine cavity - Antecedent of ? 2 caesarean section - Antecedent of inverted T caesarean section - Antecedent of uterine rupture - Active genital herpes infection - Cervical carcinoma - Severe maternal pathology - Breech lie - = 7 Bishop score - Non-reassuring fetal cardiotocographic registration - Indication of immediate delivery - Stillbirth of malformed foetus Also, patients to be included in the out-patient group should comply with the following criteria: Inclusion criteria: - Low-risk pregnancies - = 2 previous deliveries - Patient acceptation and good comprehension of the instructions - Maximum 30 minutes of distance to the hospital. - Possibility of telephone communication at any moment - To be accompanied by someone during the entire process at home Exclusion criteria: - Positive screening for vaginal / rectum group B streptococcal infection |
Country | Name | City | State |
---|---|---|---|
Spain | Hospital de la Santa Creu i Sant Pau | Barcelona |
Lead Sponsor | Collaborator |
---|---|
Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau |
Spain,
Chen W, Xue J, Peprah MK, Wen SW, Walker M, Gao Y, Tang Y. A systematic review and network meta-analysis comparing the use of Foley catheters, misoprostol, and dinoprostone for cervical ripening in the induction of labour. BJOG. 2016 Feb;123(3):346-54. do — View Citation
Diederen M, Gommers J, Wilkinson C, Turnbull D, Mol B. Safety of the balloon catheter for cervical ripening in outpatient care: complications during the period from insertion to expulsion of a balloon catheter in the process of labour induction: a systema — View Citation
McMaster K, Sanchez-Ramos L, Kaunitz AM. Evaluation of a Transcervical Foley Catheter as a Source of Infection: A Systematic Review and Meta-analysis. Obstet Gynecol. 2015 Sep;126(3):539-51. doi: 10.1097/AOG.0000000000001002. Review. — View Citation
Ten Eikelder ML, Mast K, van der Velden A, Bloemenkamp KW, Mol BW. Induction of Labor Using a Foley Catheter or Misoprostol: A Systematic Review and Meta-analysis. Obstet Gynecol Surv. 2016 Oct;71(10):620-630. doi: 10.1097/OGX.0000000000000361. Review. — View Citation
Vaknin Z, Kurzweil Y, Sherman D. Foley catheter balloon vs locally applied prostaglandins for cervical ripening and labor induction: a systematic review and metaanalysis. Am J Obstet Gynecol. 2010 Nov;203(5):418-29. doi: 10.1016/j.ajog.2010.04.038. Review — View Citation
WHO recommendations: Induction of labour at or beyond term. Geneva: World Health Organization; 2018. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Effectiveness Vaginal delivery / caesarean section rate | Measure vaginal delivery and caesarean rate of induction of labour with double balloon catheter | 12 months | |
Secondary | Safety of patient and foetus | Measured through complications and adverse effects registered during induction of labour | 12 months | |
Secondary | Patients satisfaction | Measured as global satisfaction with the use of double balloon catheter as induction of labour method with an analog visual scale from 0 to 10 | 12 months |
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