Study of postpartum pain due to epidural morphine administration in pregnant women undergoing epidural analgesia

A placebo-controlled, single-blind comparative study of postpartum analgesia result from epidural morphine administration in pregnant women undergoing epidural analgesia - A placebo-controlled, single-blind comparative study of postpartum analgesia result from epidural morphine administration in pregnant women undergoing epidural analgesia

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039351

Enrollment

Registered

2020-04-01

Start date

2020-04-01

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

Pregnant woman receiving epidural analgesia

Interventions

After delivery,0.75 mg of morphine is administered from the epidural catheter. After delivery, saline is administered from the epidural catheter.

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Pregnant woman undergoing epidural analgesia

Exclusion criteria

Exclusion criteria: Diabetes before pregnancy, substance abuse, chronic pain syndrome, antidepressant / antiepileptic medication

Design outcomes

Primary

Measure	Time frame
postoperative visual analogue scale (VAS) (return to the room,1, 2, 6, 12, 24,hours after delivery)for perineal pain and afterpains.	—

Secondary

Measure	Time frame
the time to the first request for additional analgesics. the number of analgesic medications used for 24 h. side effects (nausea, pruritus, urinary retention, and respiratory depression)	—

Countries

Japan

Contacts

Public ContactHIROAKI KONDO

School of medicine,Kitasato university Division of obstetric anesthesiology,Kitasato university hospital

hkondo@kitasato-u.ac.jp0427788111

Outcome results

None listed

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