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Mouth BreathingNCT02437877

The Influence of Breathing in Writing

An observational study of Mouth Breathing, run by University of Campinas, Brazil at 1 site in Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Purpose: To examine whether nasal breathing influences the perception of sound causing trade between hard and soft consonants in the writing of children in school age and the incidence of trade. Read more about this study

Who is it for?
Ages 7 to 13 yearsHealthy volunteers can take part
Conditions the study is for
Mouth Breathing
How many people
200 participants
Where
1 siteBrazil
Study dates
Aug 2008to Jan 2010
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 7 to 13 years
  • All sexes
  • Healthy volunteers accepted
  • Child

Study population: 200 children, 100 previously diagnosed with oronasal breath (51 females and 49 males) who participated in the study group and 100 nasal breathers (54 females and 46 males) which were the control group.

Who may be able to join

  • Mouth Breather/Nasal Breather
  • Literate

Who cannot join

  • Hearing trouble
  • Speech trouble

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • University of Campinas

    Campinas, São Paulo

Other trials in Brazil

About this study

Official title: The Influence of Mouth Breathing in the Discrimination of Sonority Perception in Writing

Purpose: To examine whether nasal breathing influences the perception of sound causing trade between hard and soft consonants in the writing of children in school age and the incidence of trade.

Read the detailed description

To achieve the above goal explained, it was used:

Methods: The sample was consisted of 200 children, 100 previously diagnosed with oronasal breath (51 females and 49 males) who participated in the study group and 100 nasal breathers (54 females and 46 males) which were the control group. 36 words were dictated as minimal pairs to be written. Then a story was submitted in sequence of six figures from which the subjects produced a text.

Conditions
Mouth Breathing
Keywords
Respiration, Learning, Speech, Language and Hearing Sciences
Medical subject headings
Mouth Breathing, Respiratory Aspiration, Speech, Language

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT02437877
Study groupRoleWhat they receive
Mouth BreatherMouth Breathers Children from 7 to 13 years old
Nasal BreatherNasal breathers children from 7 to 13 years old

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Comparison between production written and directed free nose breathers and mouth breathing children

    Measured: up to 8 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 May 2015 (estimated)
  2. Study startAug 2008
  3. Primary completionJan 2010
  4. Study completionJan 2010

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Cross-sectional
Enrolment
200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02437877
Sponsor's protocol ID
LFerrer
Status last verified
May 2015
First submitted
20 Mar 2011
Last updated
8 May 2015
Results posted
No
Data monitoring committee
No

Publications

  • Hitos SF, Arakaki R, Sole D, Weckx LL. Oral breathing and speech disorders in children. J Pediatr (Rio J). 2013 Jul-Aug;89(4):361-5. doi: 10.1016/j.jped.2012.12.007. Epub 2013 Jul 1.

    PubMed 23809686
  • Farronato G, Giannini L, Riva R, Galbiati G, Maspero C. Correlations between malocclusions and dyslalias. Eur J Paediatr Dent. 2012 Mar;13(1):13-8.

    PubMed 22455522
  • Souki BQ, Pimenta GB, Souki MQ, Franco LP, Becker HM, Pinto JA. Prevalence of malocclusion among mouth breathing children: do expectations meet reality? Int J Pediatr Otorhinolaryngol. 2009 May;73(5):767-73. doi: 10.1016/j.ijporl.2009.02.006. Epub 2009 Mar 12.

    PubMed 19282036
  • Ziliotto KN, dos Santos MF, Monteiro VG, Pradella-Hallinan M, Moreira GA, Pereira LD, Weckx LL, Fujita RR, Pizarro GU. Auditory processing assessment in children with obstructive sleep apnea syndrome. Braz J Otorhinolaryngol. 2006 May-Jun;72(3):321-7. doi: 10.1016/s1808-8694(15)30963-0.

    PubMed 17119766
  • Ersu R, Arman AR, Save D, Karadag B, Karakoc F, Berkem M, Dagli E. Prevalence of snoring and symptoms of sleep-disordered breathing in primary school children in istanbul. Chest. 2004 Jul;126(1):19-24. doi: 10.1378/chest.126.1.19.

    PubMed 15249437
  • Lamberg L. Sleep-disordered breathing may spur behavioral, learning problems in children. JAMA. 2007 Jun 27;297(24):2681-3. doi: 10.1001/jama.297.24.2681. No abstract available.

    PubMed 17595262
  • Hamasaki Uema SF, Nagata Pignatari SS, Fujita RR, Moreira GA, Pradella-Hallinan M, Weckx L. Assessment of cognitive learning function in children with obstructive sleep breathing disorders. Braz J Otorhinolaryngol. 2007 May-Jun;73(3):315-20. doi: 10.1016/s1808-8694(15)30074-4.

    PubMed 17684651

Questions about this trial

What is this clinical trial studying?

An observational study of Mouth Breathing, run by University of Campinas, Brazil at 1 site in Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 8 May 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Comparison between production written and directed free nose breathers and mouth breathing children (time frame: up to 8 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02437877, which also lists 7 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 May 2015.

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