Pain management after cesarean section using Dinalbuphine Ester

Efficacy of Parenteral Injection of an Extended Release Kappa-receptor Opioid Sebacoyl Dinalbuphine Ester for Pain Management After Cesarean Section: a Randomized, Open-label, Non-inferiority Trial

PHASE2; PHASE3 · Dalin Tzu Chi General Hospital · NCT06344169

This study is testing if a new pain medication called Dinalbuphine Ester can help women recover better and feel less pain after having a cesarean section compared to standard morphine.

Quick facts

PhasePHASE2; PHASE3
Study typeInterventional
Enrollment120 (estimated)
Ages20 Years and up
SexFemale
SponsorDalin Tzu Chi General Hospital (other)
Locations1 site (Dalin, Chai-Yi)
Trial IDNCT06344169 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effectiveness of Dinalbuphine Ester (Naldebain) for managing postoperative pain in women undergoing elective cesarean sections. The study aims to compare the analgesic effects of Dinalbuphine Ester with standard morphine treatment, focusing on reducing the incidence of chronic post-surgical pain and improving overall recovery. Participants will be monitored for pain levels and any side effects associated with the treatments. The trial is designed to provide insights into better pain management strategies for postpartum women.

Who should consider this trial

Good fit: Ideal candidates for this study are term primipara or multipara women scheduled for elective cesarean sections.

Not a fit: Patients with severe pregnancy complications, contraindications for neuraxial block, or those undergoing emergency cesarean sections may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved pain management options for women after cesarean sections, potentially reducing the risk of chronic pain and enhancing recovery.

How similar studies have performed: Other studies have shown varying success with different analgesic approaches for postoperative pain management, but this specific use of Dinalbuphine Ester is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* term primipara or multipara who are scheduled for elective cesarean section

Exclusion Criteria:

1. Severe pregnancy-induced complication (such as preeclampsia, eclampsia, poorly control pregnancy-induced hypertension and/or diabetes)
2. High risk for postpartum hemorrhage
3. Contraindicated for neuraxial block
4. Preterm (gestational age\< 36 week) delivery
5. Emergency cesarean section
6. After-office hour schedule
7. History of substance abuse
8. Known allergy to nalbuphine, benzyl benzoate or sesame oil
9. Eligible parturient who are not willing to follow the assignment of treatment after randomization

Where this trial is running

Dalin, Chai-Yi

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Postsurgical Pain, Cesarean Section, Chronic Post-surgical Pain, kappa agonist, mu agonist, Intrathecal morphine

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.