Incidence of respiratory depression associated with administration of intrathecal morphine for cesarean delivery

Incidence of respiratory depression associated with administration of intrathecal opioid for cesarean delivery: A randomized controlled trial. - Respiratory depression associated with administration of intrathecal opioid for cesarean delivery

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041337

Enrollment

100

Registered

2020-08-07

Start date

2020-08-03

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cesarean delivery

Interventions

Intrathecal morphine 50 microgram Intrathecal morphine 100 microgram

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Patients with elective cesarean delivery under spinal anesthesia 2. American Society of Anesthesiologists physical status: 2-3 3. The patient is over 20 years old. 4. Obtaining consent form from patients

Exclusion criteria

Exclusion criteria: 1 Emergency surgery 2 Patients with allergy including fentanyl, morphine and local anesthetic 3 Patient who already have respiratory complications 4 Patients with obesity (BMI>30) 5 Patients with sleep apnea syndrome 6 Patients with hypertension 7 Patients who have been using opioids for a long time

Design outcomes

Primary

Measure	Time frame
To evaluate hypoxia events after cesarean delivery.	—

Countries

Japan

Contacts

Public ContactNoritaka Imamachi

Shimane University Department of Anesthesiology

imamachi@med.shimane-u.ac.jp0853-20-2295

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026