NCT02184273

Brief Summary

Study to assess the analgesic efficacy in the prevention of postoperative pain in children undergoing minor surgery (herniorraphy, tonsillectomy) and to assess the tolerability of Metamizol in this group of patients.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
122

participants targeted

Target at P75+ for phase_4 pain

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

March 1, 2002

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2004

Completed
10.4 years until next milestone

First Submitted

Initial submission to the registry

July 8, 2014

Completed
1 day until next milestone

First Posted

Study publicly available on registry

July 9, 2014

Completed
Last Updated

July 10, 2014

Status Verified

July 1, 2014

Enrollment Period

2 years

First QC Date

July 8, 2014

Last Update Submit

July 9, 2014

Conditions

Outcome Measures

Primary Outcomes (1)

  • Percentage of children requiring rescue medication

    up to 4 hours after drug administration

Secondary Outcomes (10)

  • Time from drug administration, end of surgery and first patient's awake to the administration of rescue medication

    up to 4 hours

  • Percentage of children who require rescue medication

    up to 2 hours after drug administration

  • Evaluation of the pain intensity by the patient by means of a Visual Analogue Scale (VAS)

    up to 4 hours

  • Evaluation of the pain intensity by the patient by means of a four points Verbal Rating Scale (VRS)

    up to 4 hours

  • Assessment of the state of the patient by the guardian by means of the Children's Hospital of Eastern Ontario Pain Scale (CHEOPS) test

    up to 4 hours

  • +5 more secondary outcomes

Study Arms (2)

Magnesium metamizol

EXPERIMENTAL
Drug: Magnesium metamizol

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Also known as: Nolotil
Magnesium metamizol
Placebo

Eligibility Criteria

Age6 Years - 11 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Children of either sex between 6 and 11 years of age
  • Patients undergoing routine inguinal hernia repair or tonsillectomy
  • Written informed consents by the guardian, according to the guidelines of Good Clinical Practice and current legislation
  • The ability of the patient to understand and carry out the visual analogue scale assessments
  • Patients with a physical status American Society of Anesthesiologist I or II class

You may not qualify if:

  • The use of any drug with analgesic properties in the 24 hours prior to the administration of the study drug
  • Surgery with a foreseen duration over 60 minutes
  • Patients with a nutritional index of less than 90 or greater than 120
  • Patients with a body mass index which was not between the 3rd centile and the 97th centile for age
  • Patients with any illness or malformation (except hernia) which, in the doctor's opinion, contraindicated the use of metamizol (aplastic anemia, agranulocytosis of a toxicological etiology, severe renal disease, etc.)
  • Patients who have received in the previous 7 days or need currently anticoagulant treatment
  • Significant allergy or known hypersensitivity to metamizol, its excipients and/or to other nonsteroidal antiinflammatory drugs
  • Patients in whom the anesthetic regimen required by the protocol cannot be used
  • Patients who have participated in another clinical trial in the past four weeks or are currently participating in another clinical trial

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Pain

Interventions

metamizole magnesium

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 8, 2014

First Posted

July 9, 2014

Study Start

March 1, 2002

Primary Completion

March 1, 2004

Last Updated

July 10, 2014

Record last verified: 2014-07