Evaluation of Safety and Efficacy of Nalbuphine Versus Morphine for Postoperative Analgesia
A Randomized, Double-blind, Placebo-controlled, Parallel-group, Multicenter, Phase III Clinical Study to Evaluate the Efficacy and Safety of Nalbuphine Versus Morphine for the Treatment of Postoperative Analgesia
1 other identifier
interventional
288
1 country
24
Brief Summary
Evaluation of safety and efficacy of Nalbuphine versus Morphine patient controlled intravenous analgesia (PCIA) for the treatment of postoperative analgesia
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Aug 2024
24 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 7, 2024
CompletedFirst Submitted
Initial submission to the registry
April 1, 2025
CompletedFirst Posted
Study publicly available on registry
April 29, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2026
CompletedApril 29, 2025
April 1, 2025
10 months
April 1, 2025
April 21, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Sum of Pain Intensity Difference over 0-48 hours(SPID48)
SPID48=∑PID48×\[time in hours slapsed since the previous observation\], PID48 denotes the pain intensity difference at time 48 hours after the first administration relative to baseline. The pain intensity is rated using an 11-point numeric scale ranging from 0 to 10, where 0 represents "no pain" and 10 represents "the worst pain imaginable."
0-48 hours
Secondary Outcomes (11)
Sum of Pain Intensity Difference over 0-12 hours(SPID12)
0-12 hours
Sum of Pain Intensity Difference over 0-24 hours(SPID24)
0-24 hours
Sum of Pain Intensity Difference over 0-32 hours(SPID32)
0-32 hours
Total Number of PCIA Pump attempts during 0~48h
0-48 hours
Number of Effective Deliveries during 0~48h
0-48 hours
- +6 more secondary outcomes
Study Arms (2)
Nalbuphine group
EXPERIMENTALMorphine group
ACTIVE COMPARATORInterventions
PCIA,The lockout interval is set at 10 minutes, with no background infusion.
PCIA,The lockout interval is set at 10 minutes, with no background infusion.
Eligibility Criteria
You may qualify if:
- Age 18-65 years (inclusive), regardless of gender.
- Weight 45-100 kg (inclusive) and BMI 18.0-30.0 kg/m² (inclusive).
- Preoperative ASA Physical Status Class I-III.
- Scheduled for elective general anesthesia in abdominal surgery (single incision ≥5 cm) or orthopedic surgery (limb/joint procedures); completed anesthesia recovery within 4 hours postoperatively, with NRS score ≥4, and willingness to accept protocol-defined analgesia.
- Ability to comprehend study objectives, operate PCIA devices, and communicate effectively with investigators.
- Female subjects must be non-pregnant, non-lactating, and agree to use contraception (including partners) for 3 months post-study.
- Voluntary participation with signed informed consent.
You may not qualify if:
- Known or suspected allergy/hypersensitivity to any component of the investigational product, other opioids, or contraindicated drugs specified in the protocol .
- Neurological/psychiatric disorders including:
- Clinically significant neurological diseases (e.g., epilepsy, cognitive impairment) .
- History of brain injury, increased intracranial pressure, or psychiatric disorders (e.g., schizophrenia, bipolar disorder, depression, anxiety) that may interfere with safety or study assessments as judged by the investigator .
- Cardiovascular diseases/history:
- Severe cardiovascular conditions (NYHA Class II or higher), myocardial infarction, angina, or severe arrhythmia within the past year .
- Abnormal 12-lead ECG findings during screening (e.g., sinus bradycardia ≤55 bpm, ≥Grade II AV block) deemed unsuitable by the investigator .
- Resting systolic blood pressure ≥160 mmHg or \<90 mmHg, diastolic ≥100 mmHg pre-surgery .
- Intraoperative circulatory instability (e.g., hypotension, bradycardia) assessed as high-risk for trial continuation .
- Respiratory disorders/history:
- Bronchial asthma, high-risk respiratory depression conditions (e.g., severe COPD ≥GOLD 3, sleep apnea syndrome) .
- Preoperative SpO2 \<93% (room air) or intraoperative respiratory depression/ventilatory dysfunction deemed unsafe .
- Paralytic ileus, biliary/pancreatic diseases within 12 months before screening .
- Major surgery within 3 months prior to screening.
- Acute/chronic non-surgical pain interfering with postoperative pain assessment .
- +10 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (24)
Peking University First Hospital
Beijing, China
Cangzhou People's Hospital
Cangzhou, China
The First People's Hospital of Changde City
Changde, China
The Third Xiangya Hospital of Central South Univerdity
Changsha, China
Heping Hospital affiliated to Changzhi Medical College
Changzhi, China
Chengdu Fifth People's Hospital
Chengdu, China
Sichuan Provincial People's Hospital
Chengdu, China
Chongqing University Affiliated Fuling Central Hospital
Chongqing, China
Deyang People's Hospital
Deyang, China
The First Affiliated Hospital of Fujian Medical University
Fuzhou, China
The First Affiliated Hospital of Jinan University
Guangzhou, China
The First Affiliated Hospital Of University Of South China
Hengyang, China
The Second Affiliated Hospital of Jiaxing University
Jiaxing, China
The First People's Hospital of Lianyungang
Lianyungang, China
Liuzhou Worker's Hospital
Liuchow, China
Mianyang Central Hospital
Mianyang, China
Nanjing Drum Tower Hospital
Nanjing, China
The Second Nanning People's Hospital
Nanning, China
Ningbo Medical Center LIHUILI Hospital
Ningbo, China
Ningbo NO.2 Hospital
Ningbo, China
Shanxi Bethune Hospital
Taiyuan, China
The First Affiliated Hospital of Wannan Medical College
Wuhu, China
Affiliated Hospital of Jiangnan University
Wuxi, China
Xi'an Honghui Hospital
Xi'an, China
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 1, 2025
First Posted
April 29, 2025
Study Start
August 7, 2024
Primary Completion
June 1, 2025
Study Completion
March 1, 2026
Last Updated
April 29, 2025
Record last verified: 2025-04