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Efficacy and Dose Exploration of Biased µ-Opioid Receptor (MOR) Agonists on Postoperative Pain in Adults with Moderate to Severe Acute Pain

Efficacy and Dose Exploration of Biased µ-Opioid Receptor (MOR) Agonists on Postoperative Pain in Adults with Moderate to Severe Acute Pain

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500109858
Enrollment
Unknown
Registered
2025-09-25
Start date
2025-09-30
Completion date
Unknown
Last updated
2025-09-29

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

Conditions

Laparoscopic hysterectomy

Interventions

group A:loading dose 0.5mg of taglidine fumarate
group B:loading dose 0.75mg of taglidine fumarate
group C:loading dose 1mg of taglidine fumarate
group D:loading dose 3mg morphine

Sponsors

Anqing Municipal Hospital,
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients scheduled for elective laparoscopic total hysterectomy 2. ASA I–II 3.Patient age >= 18 years and = 4 at any time within 4 hours post-surgery

Exclusion criteria

Exclusion criteria: 1. Pre-surgery severe cardiac, hepatic, or renal dysfunction 2. Concurrent sleep apnoea syndrome 3. Chronic opioid use, chronic non-steroidal anti-inflammatory drug use, or opioid use within 48 hours prior to surgery 4. Concurrent use of other medications affecting opioid efficacy (e.g., antiepileptics, antidepressants, antipsychotics) 5. Oral or injectable corticosteroids within the preceding three months 6. Abnormal electrocardiogram showing QT interval prolongation

Design outcomes

Primary

MeasureTime frame
Resting and exercise VAS pain scores at 6, 12, 18, and 24 hours post-administration of the experimental drug loading dose in four patient groups.;

Secondary

MeasureTime frame
Age, gender, BMI, ASA classification, operation time,anesthesia time;The time of the first rescue analgesic;The total number of the analgesic pump within 24 hours and the effective pump number ;adverse reaction;

Countries

China

Contacts

Public ContactHao Yujuan

Anqing Municipal Hospital,

290141901@qq.com+86 151 5569 7763

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026