Topical numbing cream for balloon-catheter cervical ripening
Official title: Topical Anesthesia During Catheter Insertion for Cervical Ripening (TOLERANCE)
Run by Bnai Zion Medical Center · NCT07288021 · Data updated 2026-11-12
This trial will test whether applying a numbing cream (lidocaine‑prilocaine, EMLA) to the perineum and posterior vaginal wall before balloon catheter insertion reduces pain for people 34+ weeks pregnant who need labor induction.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | Women only |
| Enrollment | 200 (estimated) |
| Sponsor | Bnai Zion Medical Center Government |
| Locations | 1 site (Haifa) |
| Status | Recruiting |
| Started | February 5, 2024 |
| Main results expected | February 28, 2026 |
| Study ends | July 1, 2026 |
| Registry record updated | December 17, 2025 |
| Trial ID | NCT07288021 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are pregnant people aged 18+ with a singleton cephalic fetus at ≥34 weeks scheduled for induction using a balloon catheter who can provide informed consent and have no allergy to lidocaine‑prilocaine.
✕Probably not a fit
Those with known sensitivity to lidocaine‑prilocaine, vulvodynia or vaginismus that prevents vaginal exam, chronic pain syndromes, or who are not undergoing balloon‑catheter induction are unlikely to benefit from this intervention.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a randomized, double‑blind, placebo‑controlled trial comparing topical lidocaine‑prilocaine cream (EMLA) versus a placebo applied to the perineum and posterior vaginal wall before balloon catheter insertion for cervical ripening. Participants are pregnant individuals aged 18 or older with a singleton cephalic pregnancy at 34+ weeks who are scheduled for induction with a balloon catheter and have no contraindication to vaginal delivery. Pain levels during catheter insertion and patient satisfaction will be measured and compared between EMLA and placebo groups, with analyses performed separately for nulliparous and multiparous participants. The trial is conducted at Bnai Zion Medical Center in Haifa, Israel.
Why it matters
Potential benefit: If successful, this approach could reduce pain and improve satisfaction during balloon‑catheter cervical ripening and may lower the need for additional analgesia at the time of insertion.
How similar studies have gone: Topical lidocaine‑prilocaine has shown benefit for some minor vaginal and cervical procedures, but its use specifically for reducing pain during balloon catheter insertion for induction is relatively untested.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Women scheduled for labor induction with balloon catheter. * 18 years of age or older. * Singleton pregnancy with a cephalic presentation. * ≥ 34 completed gestational weeks. * Does not participate in any other trial that might affect maternal or fetal/neonatal outcomes. * No contraindication for vaginal delivery Exclusion Criteria: * Unable or unwilling to provide and sign informed consent forms. * Known sensitivity to EMLA or placebo substance. * Known vulvodynia or vaginismus - rendering vaginal examination not possible. * Any chronic pain syndrome
Where it's running
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Bnai Zion Medical Center
Haifa, Israel Recruiting
Study contacts
- Study coordinator: Dafna Ben Yehuda Raz, MD, resident doctor
- Email: dafna.ben-yehuda@b-zion.org.il
- Phone: +97248359366
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.