NCT01825733

Brief Summary

Postoperative pain, the great concern for the patients undergoing spine surgery, has led to common use of opioid-based intravenous patient-controlled analgesia (IV-PCA) postoperatively. Opioid-based IV-PCA offers better pain control, which could facilitate early recovery, rehabilitation and increase patient satisfaction. However, its use inevitably increases the incidence of postoperative nausea and vomiting (PONV), another great discomfort, as high as 80% in patients with multiple risk factors.Therefore, there have been consistent efforts to prevent PONV with multimodal therapies such as risk stratification, modification and preventive use of antiemetics. Of all antiemetics, 5-hydroxytryptamine (5-HT3) antagonist, especially ondansetron, is most commonly used and extensively studied to reduce PONV because of its efficacy and fewer side effects.\[8\] However, its efficacy is not quite satisfactory when it comes to PONV associated with opioid-based IV-PCA. Recently, there are many reports comparing the antiemetic efficacy between ondansetron and the 2 newly developed 5-HT3 antagonists, ramosetron and palonosetron. Ramosetron is known to have a higher affinity and longer duration of binding to 5-HT3 receptor, therefore exhibits potent and sustained anti-emetic effect than previously developed 5-HT3 antagonists.Palonosetron has a unique allosteric binding to the 5-HT3 receptor, which brings a higher affinity, longer duration of action and longer elimination half-time.According to the previous studies, both ramosetron and palonosetron showed superior antiemetic efficacy for PONV associated with opioid-based IV-PCA to ondansetron as expected by their theoretical advantages. However, it has never been evaluated which one has superior antiemetic efficacy for opioid-based IV-PCA associated PONV. Therefore, in this study, we tried to evaluate the relative antiemetic efficacy of ramosetron and palonosetron in controlling opioid-based IV-PCA related PONV.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
196

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Aug 2011

Status
completed

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 1, 2011

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2012

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

March 26, 2013

Completed
13 days until next milestone

First Posted

Study publicly available on registry

April 8, 2013

Completed
Last Updated

February 19, 2014

Status Verified

February 1, 2014

Enrollment Period

11 months

First QC Date

March 26, 2013

Last Update Submit

February 17, 2014

Conditions

Keywords

palonosetron, ramosetron, PONV, opioid

Outcome Measures

Primary Outcomes (1)

  • verbal numeric scale

    At each time point, frequency and intensity (verbal numeric scale, 0-10, 0: no nausea, 10: maximum) of nausea, frequency of vomiting, rescue antiemetic use were recorded and compared between groups.

    change of antiemetic efficacy for 5 time points ( postanesthesia care unit, 0-6 h, 6-24 h, 24-48 h, 48-72 h after operation)

Study Arms (2)

ramosetron

EXPERIMENTAL
Drug: ramosetron

palonosetron

ACTIVE COMPARATOR
Drug: palonosetron

Interventions

Ramosetron 0.3 mg was mixed to the PCA. Same dose of drug was administered 10 minutes before the end of surgery according to the allocated group.

ramosetron

palonosetrno 0.075 mg was mixed to the PCA. Same dose of drug was administered 10 minutes before the end of surgery according to the allocated group.

palonosetron

Eligibility Criteria

Age20 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • patients (20-65 years) scheduled for lumbar spinal surgery in prone position between August 2011 and July 2012.
  • All patients were using opioid-based IV-PCA postoperatively for pain control

You may not qualify if:

  • gastrointestinal disease
  • renal dysfunction
  • hepatic dysfunction
  • diabetes mellitus on insulin
  • pregnancy
  • use of steroid, opioid, antiemetics within 1 day before surgery
  • inability to understand verbal rating scale (VRS)
  • inability to use PCA device

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Postoperative Nausea and Vomiting

Interventions

ramosetronPalonosetron

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsNauseaSigns and Symptoms, DigestiveSigns and SymptomsVomiting

Intervention Hierarchy (Ancestors)

QuinuclidinesHeterocyclic Compounds, Bridged-RingHeterocyclic CompoundsIsoquinolinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 26, 2013

First Posted

April 8, 2013

Study Start

August 1, 2011

Primary Completion

July 1, 2012

Study Completion

July 1, 2012

Last Updated

February 19, 2014

Record last verified: 2014-02