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CompletedNCT02416115Updated Feb 22, 2016

Anti Emetic Efficacy of Combination of Ramosetron and Premixture of Naloxone With Patient-controlled Analgesia

An interventional study of Ramosetron and Naloxone in Postoperative Nausea and Vomiting, sponsored by Kyungpook National University Hospital. Completed. Open to female participants. Per ClinicalTrials.gov, last updated 2016-02-22.

Sponsored by Kyungpook National University Hospital · Not applicable, Interventional, and Prevention

Phase
Not applicable
Study type
Interventional
Enrollment
90
Allocation
Randomized
Sex
Female
01

Study summary

Postoperative nausea and vomiting (PONV) is one of the most undesirable complications after general anesthesia, and may lead to increased hospital stay and health care costs. The risk factors for PONV include sex (female population), nonsmoking status, past history of motion sickness and/or previous PONV, duration of anesthesia and surgical type (particular gynecologic surgery) and postoperative use of opioids. The overall incidence of PONV has been reported to be 30% with considerable variability, but can increase up to 69%- 80% in women undergoing gynecologic surgery with general anesthesia and morphine-patient controlled analgesia (PCA). Serotonin receptor antagonists (5-HT3) have been suggested one of the first line therapies for preventing PONV because of their efficacy and few side effects compared with other antiemetics. However, despite the use of this treatment, the incidence of PONV has been reported to be between 48 % and 50%. Naloxone is a drug used to counter the effects of opioid. It was found that administration of low dose naloxone prevents opioid side effects such as nausea and pruritus without affecting analgesia or opioid requirements in patient receiving morphine PCA. It was reported that the use of two antiemetic acting at different mechanisms is better to prevent PONV than monotherapy.

Therefore, this prospective, randomized, controlled study was designed to investigate the antiemetic efficacy of combination of ramosetron and premixture of naloxone with morphine PCA after gynecologic surgery.

02

Conditions studied

  • Postoperative Nausea and Vomiting

Keywords

  • PONV
  • ramosetron
  • naloxone
03

In context

Postoperative Nausea and Vomiting

629 studies on the registry are indexed under Postoperative Nausea and Vomiting; 113 are open to participants now.

This study's enrollment of 90 is below the median of 111 across 525 interventional studies indexed under Postoperative Nausea and Vomiting.

Browse Postoperative Nausea and Vomiting studies →

Lead sponsor

Kyungpook National University Hospital is the lead sponsor of 80 studies on the registry; 8 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Nonsmoking women (ASA physical status of I or II) scheduled for gynecologic surgery under general anesthesia and postoperative analgesia with a PCA device were included

Exclusion criteria

Exclusion Criteria:

  • known hypersensitivity to study medication; the use of antiemetics within 24 hours before surgery; the presence of gastrointestinal, renal, hepatic, or psychiatric disease.
05

Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Factorial assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
90 participants (actual)

Study arms

  • Active comparator
    R group

    Thirty minutes before end of surgery, patients in R group (n=30) received 0.3 mg ramosetron. In the post anesthetic care unit, patients in R group received PCA morphine 1 mg/ml

    Drug: Ramosetron · Drug: Morphine

  • Active comparator
    N group

    Thirty minutes before end of surgery, patients in N group (n=30) received normal saline. In the post anesthetic care unit, group N received PCA mixture of naloxone 1μg/ml and morphine 1 mg/ml.

    Drug: Naloxone · Drug: saline · Drug: Morphine

  • Experimental
    RN group

    Thirty minutes before end of surgery, patients in Ramosetron and naloxone (RN) group (n=30) received 0.3 mg ramosetron. In the post anesthetic care unit, group RN received PCA mixture of naloxone 1μg/ml and morphine 1 mg/ml.

    Drug: Ramosetron · Drug: Naloxone · Drug: Morphine

Interventions

  • Ramosetron was given iv.

  • Naloxone added to PCA was given iv.

  • Drugsaline

    Saline was given iv.

  • Morphine in the PCA was given iv.

06

What researchers measure

Primary outcomes

  1. The number of participants with postoperative nausea and vomiting

    The number of participants with postoperative nausea and vomiting

    Time frame: 24 hours

07

Study locations

No study locations are listed for this record.

08

Timeline

Tracking since Sep 25, 2026
Not marked actual or estimatedDates not marked actual or estimated

The record gives a start of Jul 2014, a primary completion of Sep 2014 and a completion of Sep 2014. It does not say whether these dates are actual or estimated.

How these figures are worked out, and which studies are left out of them.

Registered
Apr 7, 2015
First posted
Apr 14, 2015
Start
Jul 2014
Primary completionActual
Sep 2014
CompletionActual
Sep 2014
Last update
Feb 22, 2016
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Feb 22, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02416115
Lead sponsor
Kyungpook National University Hospital
Responsible party
Younghoon Jeon (Professor, Kyungpook National University Hospital) — Principal investigator
First posted
Apr 14, 2015
Start date
Jul 2014
Primary completion
Sep 2014
Completion
Sep 2014
Last update
Feb 22, 2016

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Apr 2014. You cannot join it, but the record below documents what was studied.

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Discussion

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Studies of the drugs tested here: Ramosetron · Naloxone

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