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Status unknownNCT03477812Updated Apr 5, 2018

Sleep and Nocturnal Enuresis: Ambulatory Polysomnographic Study

An observational study in Nocturnal Enuresis and Polysomnography, sponsored by University of Aarhus. Status unknown at 1 site in Denmark. Open to participants aged 7 Years to 14 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2018-04-05.

Sponsored by University of Aarhus · Observational

The sponsor has not verified this record recently (last verified Jan 2018), so the status shown — last known as Recruiting — may be out of date.

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Study type
Observational
Model
Case-control
Time perspective
Prospective
Enrollment
60
Ages
7 Years to 14 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 12 studies in Nocturnal Enuresis with a site in Denmark — 3 open to participants now, 3 under way, none of them phase 3. Nocturnal Enuresis · Denmark.

Started
2018
the only one that year
Observational
2 of 12
none open now
Registered
5th of 12
by date
Lead sponsor
7 of 12
University of Aarhus

Among the 12 studies in Nocturnal Enuresis with a site in Denmark, this one is the only one that started in 2018, is one of 2 observational ones, and was the 5th registered.

Nocturnal Enuresis

105 studies on the registry are indexed under Nocturnal Enuresis; 22 are open to participants now.

Browse Nocturnal Enuresis studies →

Open to participants now

3 of the 12 studies in Nocturnal Enuresis with a site in Denmark are open now. Recruiting first, the newest first:

All 3 open studies →

A study can be open while its sites in Denmark have not opened yet or have stopped. Only those recruiting at a site in Denmark →

Who these studies take

Of the 14 Nocturnal Enuresis studies recruiting now, 5 (36%) set no upper age limit and 9 (64%) stop at 75 or younger; 8 take children under 18; 2 take healthy volunteers.

This study: 7 Years to 14 Years · all sexes · healthy volunteers too.

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02

Study summary

Full ambulatory polysomnography at home performed two nights in 30 healthy children and one night in 30 children with mono-symptomatic nocturnal enuresis (15 with polyuria and 15 without polyuria). The children will be aged 7-14 years of age.

The sleep will be evaluated on sleep quality, number of periodic limb movements per hour, blood pressure and pulse, beat to beat variation by electrocardiography during sleep, respiration during sleep, nocturnal urine production, and enuresis episodes.

Read the detailed description

Purpose and perspectives:

The purpose of the study is to investigate the quality of sleep, the sleep architecture and the intra-individual variation from night to night in healthy children and children with mono-symptomatic nocturnal enuresis (MNE) using full polysomnography at home.

Hypotheses:

  • There is large intra-individual night to night variation in sleep quality and architecture.
  • Children with MNE have different sleep architecture than healthy children when looking at sleep quality and arousals.
  • Periodic limp movements at sleep is more frequent in children with MNE than in healthy children.

Design:

The study is a case-control study.

Materials and methods:

The study will recruit 30 healthy children and 30 children with MNE (15 with polyuria and 15 without polyuria) recruited from the Childrens Incontinence Center at the Department of Pediatrics and Adolescent Medicine at Aarhus University Hospital. Children of both sexes aged between 7 and 14 years of age will be enrolled. Children and their parents will be informed about the study both verbally and in written. Written informed consent from both parents must be obtained before the children can be enrolled in the study.

The healthy children will go through two nights of full polysomnography to be able to view intra-individual changes. The children with MNE will only have to do one night of polysomnography.

Primary parameters:

  • Sleep quality
  • Number of periodic limb movements per hour
  • Blood pressure and pulse
  • Beat to beat variation by electrocardiography during sleep
  • Respiration during sleep
  • Nocturnal urine production
  • Enuresis episodes
03

Conditions studied

  • Nocturnal Enuresis
  • Polysomnography

Browse trials for

04

Who can participate

Ages eligible
7 Years to 14 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Probability sample

Study population

The study population will be 30 children with mono-symptomatic nocturnal enuresis aged from 7-14 years. The group of children with nocturnal enuresis will be split in two with 15 patients with polyuria and 15 without polyuria. The control group will be 30 healthy children aged 7-14 years of age.

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

  • 7-14 years of age
  • Normal objective evaluation including blood pressure
  • For healthy controls achieved continence both day and night before the age of 5.
  • For children with nocturnal enuresis at least 3 wet nights per week.
  • For children with enuresis clinical characteristics and at least one week of home recordings of nocturnal urine production and two days of full recording of fluid intake and urine production.

Exclusion criteria

Exclusion Criteria:

  • Obstipation (according to ROM IV criteria)
  • Day incontinence or severe urgency
  • Insomnia or known sleep disorders such as sleep walking, heavy snoring, night terrors or abnormal circadian rhythm.
  • Present or former deceases in the urinary tract, liver or in the endocrinological system.
  • Hypertension
  • Treatment with medication at the time of the study
  • ADHD, autism or other psychiatric disorders.
05

Study design

Observational model
Case-control
Time perspective
Prospective
Enrollment
60 participants (estimated)
Patient registry
No

Groups and cohorts

  • Healthy children

    Healthy children 7-14 years of age.

    Device: Polysomnography (Full sleep registration)

  • Nocturnal enuresis with polyuria

    Children with nocturnal enuresis and polyuria aged 7-14 years.

    Device: Polysomnography (Full sleep registration)

  • Nocturnal enuresis without polyuria

    Children without nocturnal enuresis and polyuria aged 7-14 years.

    Device: Polysomnography (Full sleep registration)

Interventions

  • DevicePolysomnography (Full sleep registration)

    For the healthy children two nights of polysomnography. For the children with nocturnal enuresis one night of polysomnography.

06

What researchers measure

Primary outcomes

  1. Sleep efficiency

    Sleep efficiency will be calculated as the ratio of the total time spent asleep to the total time spent in bed

    Time frame: One night of polysomnography.

Secondary outcomes

  1. Periodic limb movements during sleep

    Number of periodic limb movements per hour at sleep compared between the three groups.

    Time frame: One night of polysomnography.

  2. Nocturnal urine production

    We will compare the nocturnal urine production in millilitres in the three groups.

    Time frame: One night of polysomnography.

  3. Enuresis episodes

    We are going to look at the time of the enuresis episode and compare it to the polysomnographic findings at that time.

    Time frame: One night of polysomnography

  4. Respiratory events during sleep

    Respiration during sleep comparison between the three groups. This includes saturation, nasal air flow and movement of the stomach and chest. Together showing the number of respiratory events (apneas/hour).

    Time frame: One night of polysomnography

  5. Incidence of sleep disturbances

    Percentage of children with clinical sleep disturbances between patients and controls

    Time frame: One night of polysomnography

  6. Intra-individual differences in sleep efficiency from night to night in healthy controls.

    Sleep efficiency (in percent) will be compared between the two nights of polysomnography in the healthy controls.

    Time frame: Two nights of polysomnography. Each evaluated after completing the two nights.

  7. Intra-individual differences in periodic limb movements during sleep from night to night in healthy controls.

    Periodic limb movements during sleep will be compared between the two nights of polysomnography in the healthy controls.

    Time frame: Two nights of polysomnography. Each evaluated after completing the two nights.

  8. Intra-individual differences in nocturnal urine production from night to night in healthy controls.

    Nocturnal urine production will be compared between the two study nights in the healthy controls.

    Time frame: Two nights of polysomnography. Each evaluated after completing the two nights.

  9. Intra-individual differences in respiratory events from night to night in healthy controls.

    The number and kinds of respiratory events will be compared between the two study nights in the healthy controls.

    Time frame: Two nights of polysomnography. Each evaluated after completing the two nights.

07

Study locations

1 of 1 sites recruiting
  • Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital
    Aarhus, Aarhus N 8200, Denmark
    Recruiting
08

References and documents

Publications

  • Pedersen MJ, Leonthin H, Mahler B, Rittig S, Jennum PJ, Kamperis K. Two nights of home polysomnography in healthy 7-14-year-old children - Feasibility and intraindividual variability. Sleep Med. 2023 Jan;101:87-92. doi: 10.1016/j.sleep.2022.10.027. Epub 2022 Oct 30. PubMed 36368073 ↗

Individual participant data

Plan to share: No — Individual participant data is not going to be available to other researchers.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Jan 2018 (actual). Primary completion is estimated for Dec 2020, 35 months after the start.

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

Registered
Feb 5, 2018
First posted
Mar 26, 2018
StartActual
Jan 22, 2018
Primary completionEst.
Dec 31, 2020
CompletionEst.
Dec 31, 2020
Last update
Apr 5, 2018
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 Apr 5, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03477812
Responsible party
Sponsor
First posted
Mar 26, 2018
Start date
Jan 22, 2018
Primary completion
Dec 31, 2020 (estimated)
Completion
Dec 31, 2020 (estimated)
Last update
Apr 5, 2018

Study contacts

Malthe Jessen Pedersen, Med. student
Contact
maltpe@rm.dk
+45 22457047
Konstantinos Kamperis, Ass. prof.
Contact
konskamp@rm.dk
+45 21644608
Søren Rittig, Professor
study chair · Aarhus University Hospital

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Jan 2018. You cannot join it, but the record below documents what was studied.

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