Intravenous Methadone Versus Intrathecal Morphine for Analgesia Following Cesarean Delivery

Description

The purpose of this study is to determine if there is a difference in opioid requirements at 0-48 hours after scheduled cesarean delivery in patients receiving 150 mcg intrathecal morphine compared to 0.2 mg/kg (maximum 20 mg) intravenous methadone.

Conditions

Cesarean Delivery

Study Overview

Study Details

Study overview

The purpose of this study is to determine if there is a difference in opioid requirements at 0-48 hours after scheduled cesarean delivery in patients receiving 150 mcg intrathecal morphine compared to 0.2 mg/kg (maximum 20 mg) intravenous methadone.

Intravenous Methadone Versus Intrathecal Morphine for Analgesia Following Cesarean Delivery: a Randomized Clinical Trial

Intravenous Methadone Versus Intrathecal Morphine for Analgesia Following Cesarean Delivery

Condition
Cesarean Delivery
Intervention / Treatment

-

Contacts and Locations

Rochester

Mayo Clinic in Rochester, Rochester, Minnesota, United States, 55905

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.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * English-speaking
  • * Age over 18 years old
  • * Scheduled cesarean delivery
  • * Any contraindication to the administration of a spinal technique for anesthesia
  • * History of intolerance or adverse reaction to opioid medications
  • * History of chronic pain, opioid use \>30 OME/day, or substance use disorder
  • * History of obstructive sleep apnea, chronic obstructive pulmonary disease, or respiratory compromise (SpO2 \<92% on room air, or has a pre-existing oxygen requirement)
  • * History of liver or kidney failure
  • * Diagnosis of pre-eclampsia with current pregnancy
  • * Depression requiring more than one medication
  • * Planned use of CSE technique
  • * BMI \>50.0 kg/m2
  • * ASA status IV, V
  • * No prior history of an ECG demonstrating QTc \> 440ms
  • * Surgical complication requiring conversion to general anesthesia

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

FEMALE

Accepts Healthy Volunteers

Yes

Collaborators and Investigators

Mayo Clinic,

Emily E Sharpe, M.D., PRINCIPAL_INVESTIGATOR, Mayo Clinic

Study Record Dates

2025-11-07