Different Medications to Induce Labor (BLOOM)

March 27, 2026 updated by: Angela Bianco, Icahn School of Medicine at Mount Sinai

Misoprostol Versus Pitocin for Induction of Labor in Patients With BMI > 30: A Randomized Controlled Trial

This is a randomized controlled trial examining whether the use of misoprostol or pitocin, in combination with a foley catheter, is more effective at inducing labor in patients with a gravid BMI that is considered obese.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

This randomized controlled trial will include patients with a BMI greater than 30 at the time of admission for their induction of labor. Patients will be randomized to either misoprostol or Pitocin to begin induction of labor, alongside the standard foley catheter, and the primary outcome of interest will be length of time from start of induction until delivery.

Study Type

Interventional

Enrollment (Estimated)

300

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

    • New York
      • New York, New York, United States, 10029
        • Recruiting
        • Mount Sinai Hospital
        • Contact:
        • Principal Investigator:
          • Angela T Bianco
      • The Bronx, New York, United States, 10457
        • Recruiting
        • Bronx Care Health System
        • Principal Investigator:
          • Gary Markoff, MD
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

- Pregnant patient presenting to labor & delivery for induction of labor with a BMI > = 30

Exclusion Criteria:

- Pregnant patient presenting to labor & delivery for induction of labor with BMI < 30

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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 and Pitocin
Patient receives misoprostol and foley catheter for initial induction of labor, followed by pitocin later on.
25 mcg vaginally every 6 hours
Other Names:
  • Miso
3-6 mL intravenously every hour
Active Comparator: Pitocin only
Patient receives pitocin and foley catheter for initial induction of labor, followed by more pitocin later on.
3-6 mL intravenously every hour

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Time from induction to delivery
Time Frame: start of induction until delivery
Simple measure calculating time from start of induction until delivery of neonate.
start of induction until delivery

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Delivery outcome
Time Frame: at delivery
Simple determination whether patient had a vaginal delivery or delivered by cesarean section.
at delivery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Collaborators

Investigators

  • Principal Investigator: Angela Bianco, MD, Icahn School of Medicine at Mount Sinai
  • Study Director: Nicola F Tavella, MPH, Icahn School of Medicine at Mount Sinai

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

July 2, 2024

Primary Completion (Estimated)

June 1, 2026

Study Completion (Estimated)

June 1, 2026

Study Registration Dates

First Submitted

January 29, 2024

First Submitted That Met QC Criteria

February 6, 2024

First Posted (Actual)

February 14, 2024

Study Record Updates

Last Update Posted (Actual)

March 31, 2026

Last Update Submitted That Met QC Criteria

March 27, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

All of the individual participant data collected during the trial, after deidentification.

IPD Sharing Time Frame

Beginning 3 months and ending 5 years following article publication.

IPD Sharing Access Criteria

Investigators whose proposed use of the data has been approved by an independent review committee ('learned intermediary') identified for this purpose.

To achieve aims in the approved proposal. Proposals should be directed to Nicola.tavella@mssm.edu. To gain access, data requestors will need to sign a data access agreement.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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