NCT05445024

Brief Summary

Surgical pain refers to pain that occurs immediately after surgery, including physical pain and visceral pain. Thus, it severely challenges the proper use of analgesics for patients undergoing laparoscope gastrointestinal surgery to clinicians. Nalbuphine is a mixed agonist-antagonist opioid. The investigators hypothesized that the clinical effect of nalbuphine in combination with dexmedetomidine might be different from that of sufentanil in combination with dexmedetomidine. So, the investigators performed a nalbuphine and dexmedetomidine dose finding study, for the patient controlled anaesthesia (PCA) after the laparoscopic gastrointestinal surgery, to establish their 95% effective dose (ED95). The investigators then compared the clinical effect and adverse events of the newly established dosing regimen of nalbuphine combined with dexmedetomidine, to the equivalent dosing of sufentanil combined with dexmedetomidine, in the same patient population.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
300

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jan 2023

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 25, 2022

Completed
2 months until next milestone

First Posted

Study publicly available on registry

July 6, 2022

Completed
6 months until next milestone

Study Start

First participant enrolled

January 1, 2023

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2023

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
Last Updated

April 4, 2023

Status Verified

April 1, 2023

Enrollment Period

11 months

First QC Date

April 25, 2022

Last Update Submit

April 2, 2023

Conditions

Keywords

laparoscopicgastrointestinal surgerynalbuphinesufentanilpatient-controlled intravenous analgesiadexmedetomidine

Outcome Measures

Primary Outcomes (1)

  • Visual Analogue Scale (VAS) at rest

    VAS = a 10 cm VAS for pain (0, no pain; 10, worst imaginable pain)

    At 24 hour after operation

Secondary Outcomes (26)

  • VAS upon movement

    Before leaving post anesthesia care(T0) and at 6 hour(T1), 12 hour(T2), 18 hour(T3), 24 hour(T4) and 48 hour (T5)postoperatively.T0 is defined as before the patients leave PACU.T1-T5 were defined as 6,12,18,24 and 48 hour postoperatively, respectively.

  • VAS at rest

    At 6 hour(T1), 12 hour(T2), 18 hour(T3) ,48 hour(T5) postoperatively.T1 is defined as 6 hour after surgery.T2 is defined as 12 hour after surgery.T3 is defined as 18 hour after surgery.T5 is defined as 48 hour after surgery.

  • VAS at rest

    Before leaving post anesthesia care unit (PACU)(T0) .T0 is defined as before the patients leave PACU.

  • Brinell comfort score (BCS)

    Before leaving PACU(T0) and at 6 hour(T1), 12 hour(T2), 18 hour(T3), 24 hour(T4) and 48 hour (T5)postoperatively.T0 is defined as before the patients leave PACU.T1-T5 were defined as 6,12,18,24 and 48 hour postoperatively, respectively.

  • pressing times of PCIA

    Before leaving PACU(T0) and at 6 hour(T1), 12 hour(T2), 18 hour(T3), 24 hour(T4) and 48 hour (T5)postoperatively.T0 is defined as before the patients leave PACU.T1-T5 were defined as 6,12,18,24 and 48 hour postoperatively, respectively.

  • +21 more secondary outcomes

Study Arms (2)

nalbuphine group

EXPERIMENTAL

nalbuphine ED95, dexmedetomidine ED95 and ondansetron 16mg were added into normal saline to a total of 100ml

Procedure: nalbuphine group

sufentanil group

PLACEBO COMPARATOR

sufentanil (1/1000\* nalbuphine ED95), dexmedetomidine ED95 and ondansetron 16mg were added into normal saline to a total of 100ml

Procedure: sufentanil group

Interventions

nalbuphine ED95, dexmedetomidine ED95 and ondansetron 16mg were added into normal saline to a total of 100ml

nalbuphine group

sufentanil (1/1000\* nalbuphine ED95), dexmedetomidine ED95 and ondansetron 16mg were added into normal saline to a total of 100ml

sufentanil group

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • age ≥18 years and ≤75 years;
  • scheduled to undergo laparoscopic gastrointestinal surgery, under general anaesthesia;
  • kg/m2≤BMI≤27.9kg /m2;
  • American Society of Anesthesiology (ASA) I-III;
  • agree to participate, and give signed written informed consents;
  • Verbal or reading ability, able to understand and complete the questionnaire independently or with the help of doctors.

You may not qualify if:

  • patients who were allergic to the drugs in this study, who refused to use analgesic devices and analgesic drugs after operation, or who refused to sign the consent forms were not included;
  • severe hypertension, severe psychiatric disease and mental system diseases, severe respiratory diseases, hyperthyroidism, severe liver and kidney dysfunction, alcohol or drug abuse, Severe heart dysfunction or pulmonary insufficiency,Previous history of schizophrenia, epilepsy, myasthenia gravis or delirium;
  • Patients who had a history of drug abuse, patients undergoing chemotherapy and radiotherapy one month before operation, patients unwilling to cooperate with the treatment or with disabilities, were excluded from the study;
  • Patients with a definite diagnosis of chronic pain syndrome, or substance use disorder, patients who used sedatives, antiemetics, or anti-pruritic agents within 24 h before operation;
  • participating in other clinical studies in recent 3 months.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Meng-Lv

Jinan, Shandong, 250000, China

RECRUITING

Study Officials

  • Meng Lv, doctor

    Qianfoshan Hospital, The First Hospital affiliated of Shandong First Medical University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

April 25, 2022

First Posted

July 6, 2022

Study Start

January 1, 2023

Primary Completion

November 30, 2023

Study Completion

December 31, 2023

Last Updated

April 4, 2023

Record last verified: 2023-04

Data Sharing

IPD Sharing
Will not share

Locations