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The Effect of Indomethacin in Monosymptomatic Enuresis Nocturnal

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ClinicalTrials.gov Identifier: NCT00226122
Recruitment Status : Completed
First Posted : September 26, 2005
Last Update Posted : June 25, 2010
Sponsor:
Information provided by:
University of Aarhus

Study Description
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Brief Summary:

Monosymptomatic nocturnal enuresis, defined as the involuntary loss of urine during the night at an age where voluntary bladder control should have been attained and on the background of normal urinary tract function, is a rather common disease of childhood with an estimated prevalence of 5-10% at tha age of 7 and a spontaneous remission rate of 15% per year.

The present study consists of two phases; an in-patient phase and an ambulatory phase.

In the in-patient phase we will examine the regulation of sodium and the circadian rhythm of the hormones that affect this regulation in children with enuresis nocturnal and healthy children, as well as the impact of indomethacin on renal water and electrolyte excretion.

In the ambulatory phase we will examine the efficacy and safety of a treatment modality consisting of a combination of dDAVP and indomethacin in patients with severe enuresis where dDAVP as monotherapy is inadequate.

A significant number of children with enuresis and nocturnal polyuria do not respond to treatment with dDAVP. If a combination treatment with dDAVP and indomethacin proves superior to dDAVP alone the regimen could readily be used in those difficult to cure cases of enuresis.


Condition or disease Intervention/treatment Phase
Enuresis Drug: Indomethacin Phase 4

Detailed Description:

The "in-patient" phase is a comparative circadian study of three groups of participants and a non-placebo controlled study of the renal effects of indomethacin with special reference the renal handling of sodium.

The ambulatory phase is designed as a randomized double blind, crossover placebo controlled for indomethacin study of the efficacy and safety of a combination treatment with indomethacin and dDAVP.

In-patient phase: Primary effect parameters will be the diuresis, urinary osmolality, sodium excretion prior to and after the administration of indomethacin.

Secondary effect parameters will be the following: GFR, K+ excretion, creatinine excretion, urea excretion, as well as urinary concentrations of aquaporin 2 (AQP2), PGE2, AVP, URO, Na-transporter protein, concentration of renin, ANG II, ALDO, ANP, in plasma, prior to and after the administration of indomethacin.

Ambulatory phase: Primary effect parameter will be the number of dry nights achieved in the two treatment periods. Secondary effect parameters will be the nocturnal urine production, and the enuresis volumes In-patient phase: Day-night ratios will be calculated for all parameters tested. The circadian rhythm of hormones blood pressure and electrolyte excretion will be analyzed using COSINOR analysis.

The effect of indomethacin on the parameters tested will be compared to the basal measurements using student's t-test, ANOVA for repeated measurements or non-parametric tests. All statistical inference will take place on a "protocol population" basis.

Ambulatory phase: The efficacy of the combination treatment will be tested against placebo (only for indomethacin) with help of student's t-test, x2 test or non-parametric tests.

The results from the home recordings will be compared for the two treatment periods using non-parametric tests. The effect parameters that will undergo statistical analysis are the number of wet nights, the enuresis volume and the nocturnal urine production. The analysis will be on the basis of intention to treat population.

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 56 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: The Effect of Indomethacin in Monosymptomatic Enuresis Nocturnal
Study Start Date : January 2003
Actual Primary Completion Date : December 2009
Actual Study Completion Date : December 2009

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Arms and Interventions
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Intervention Details:
  • Drug: Indomethacin
    Indomethacin capsules 50 mg
    Other Name: Confortid

Outcome Measures
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Primary Outcome Measures :
  1. Enuresis episodes [ Time Frame: 3 and 7 weeks ]

Secondary Outcome Measures :
  1. Urine production, electrolyte excretion, hormonal changes [ Time Frame: 3 and 7 weeks ]

Eligibility Criteria
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Ages Eligible for Study:   7 Years to 14 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Monosymptomatic enuresis nocturnal
  • At least 3 nights with enuresis per week
  • Incomplete response to dDAVP

Exclusion Criteria:

  • Daytime incontinence
  • Urgency
  • Frequency
  • Other conditions that influence normal urine production
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00226122


Locations
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Denmark
Dept of Pediatrics, Aarhus University Hospital
Aarhus N, Jutland, Denmark, 8200
Sponsors and Collaborators
University of Aarhus
Investigators
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Principal Investigator: Konstantinos Kamperis, MD. PhD Clinical Institute, University of Aarhus
More Information
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Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

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Responsible Party: Konstantinos Kamperis MD PhD, Pediatric Research Laboratory, Aarhus University Hospital Skejby Aarhus Denmark
ClinicalTrials.gov Identifier: NCT00226122    
Other Study ID Numbers: INDO181202
01
First Posted: September 26, 2005    Key Record Dates
Last Update Posted: June 25, 2010
Last Verified: June 2010
Keywords provided by University of Aarhus:
Enuresis
Nocturnal
Monosymptomatic
 DDAVP
Indomethacin
Randomized
Additional relevant MeSH terms:
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Enuresis
Urinary Incontinence
Nocturnal Enuresis
Urination Disorders
Urologic Diseases
Behavioral Symptoms
Elimination Disorders
Mental Disorders
Lower Urinary Tract Symptoms
Urological Manifestations
Indomethacin
Anti-Inflammatory Agents, Non-Steroidal
Analgesics, Non-Narcotic
 Analgesics
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Inflammatory Agents
Antirheumatic Agents
Gout Suppressants
Tocolytic Agents
Reproductive Control Agents
Cyclooxygenase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action