AzTrials
AzTrials

Burning Mouth SyndromePhase 4BurnLasCLoNCT04313907

Low Level Laser Therapy Plus Topical Clonazepam Treatment to Burning Mouth Symdrome

A Phase 4 study testing low level laser therapy plus topical clonazepam in people with Burning Mouth Syndrome, run by Universidad Nacional Autonoma de Mexico at 1 site in Mexico.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
Search all trials

Trial summary

Burning mouth syndrome (BMS) is a condition that affects the oral mucosa; this is seen mainly in postmenopausal women. The intensity of burning and its clinical manifestations may be variable between patients. Read more about this study

Who is it for?
Ages 18 to 99 yearsHealthy volunteers can take part
Conditions the study is for
Burning Mouth Syndrome
What is being tested?
low level laser therapy plus topical clonazepam
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
27 participants
Where
1 siteMexico
Study dates
16 Aug 2019to 16 Oct 2020
Phase
Phase 4
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 18 to 99 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Burning mouth sensation without oral lesions that could be involved with painful symptoms
  • Symtoms of burning sensation more than 3 months

Who cannot join

  • Patients who are under antineoplastic treatment or with a history of malignant neoplasms of the head and neck
  • Active treatment with benzodiazepines or systemic antidepressants
  • Pregnant women
  • Patients unable to follow the indications for administration of oral topical medications
  • Unstimulated saliva production ≤ 0,1 mililiters/minute
  • Sistemic diseases that can produce burning sensation

Trial locations and contacts

1 site in 1 country.

Elba Rosa Leyva-Huerta, PhD contact

+525516514783

docelbaleyva@unam.mx

Carlos Contreras-Castellanos, DDS contact

+525563163406

carlosecontrerasc@gmail.com

Mexico1 site, 1 recruiting
  • Division de Estudios de Posgrado e Investigacion en Odontologia, Universidad Nacional Autonoma de Mexico

    Mexico City, 04360

    Javier Portilla-Robertson, PhD, +525554183594, jpr@unam.mx

    Carlos Contreras-Castellanos, DDS, +525563163406, carlosecontrerasc@gmail.com

    Recruiting

Other trials in Mexico

About this study

Official title: Use of Low Intensity Laser Combined With Topical Clonazepam for the Treatment of Burning Mouth Syndrome

Burning mouth syndrome (BMS) is a condition that affects the oral mucosa; this is seen mainly in postmenopausal women. The intensity of burning and its clinical manifestations may be variable between patients. The etiology of the BMS is unknown, just as it is the therapeutic; hence the latter has not been fully accepted. Therefore, the use of low-level laser therapy (LLLT) and topical clonazepam have been proposed as treatment alternatives. The objective is to assess the effectiveness of the combination of LLLT and topical clonazepam for the reduction of burning symptoms. Three groups will be randomly formed: 1) the first group will received topical clonazepam therapy (half of a 2 mg tablet), patients in this group will be asked to applied it in a mouthwash type for 3 minutes and then spit it out; to the same group, six sessions of LLLT (Biolase 10 ©) will be applied in every second day intervals; 2) the second group, will received the same treatment with clonazepam and laser therapies with similar characteristics to the study group, but the laser will be deactivated; 3) the third group, will receive six sessions of LLLT (Biolase 10 ©) in every second day intervals and placebo tablets with similar characteristics to those of clonazepam. For all groups, both treatments will be received for two weeks. For the assessment of oral burning the visual analog scale (VAS) and the Oral Health Impact Profile-14 (OHIP-14) will be used; with these tools we will measure how oral disorders affect daily life. The measurement scales will be applied at the initial assessment and at day 14th, one month, two months and three months post treatment. The means obtained to assess the effectiveness of the treatment will be compared.

Read the detailed description

The study will be carried out at the oral medicine clinic of the Division of Postgraduate Studies and Research of the Faculty of Dentistry of the National Autonomous University of Mexico, during the period of August 2019 to June 2020. This research was approved by the Ethics and Research Committee of the Faculty of Dentistry - Universidad Nacional Autonoma de Mexico. Inclusion criteria will be all patients with BMS, indistinctively of gender. The sample size will be 10 patients in each group, calculated using PaaS computer program with a power of 90.552% to reject the null hypothesis; based on the literature where an average difference of 4 points was obtained in the visual analogue scale from 8.0 to 4.0 with a standard deviation of 1.5 for the group that used laser and 3.0 for the control group, with a significance level of 0.05, in this calculation a number of 9 participants were obtained and the final group size was calculated adding a loss of 10%.

Initially, the patient will be assessed by an oral medicine resident and professor. If abnormalities of the mucosa are observed during the assessment, the patient will undergo blood and microbiological tests or biopsy according to the suspected diagnosis; if a diagnosis of BMS is confirmed, the patient will be invited to be part of the study.

Using a computer program, randomized block allocation was performed to guarantee equitable participation in each group. Closed envelopes will be used, each envelope will contain the information of which group each patient belongs to and the measurement tools (questionnaires EVA and OHIP-14) that will be applied at the initial moment, at 14 days, 1 month, 2 months and 3 months post treatment.

On an individual basis, all patients included in the study will be explained how to use and apply topical clonazepam or placebo tablets, which the patient must suck for 3 minutes periods, after their meals, trying to pass it through all the oral areas; the treatment must not be swallowed nor be placed exclusively under the tongue; to later spit out the leftovers. The tablets corresponding to the days between each laser application will be delivered and the application maneuvers of topical clonazepam or placebo will be evaluated on the morning of the application of the laser treatment, the corresponding observations will be made if necessary. A form with the instructions will be delivered.

Patients will be applied Biolase brand InGaAsp diode laser, wavelength 940 nm, tip 400 um, with applications in 10 sites in the oral cavity [lateral of tongue (2 sites), jugal mucosa, lower lip and floor of the mouth) bilaterally at a distance of 15 mm, 10 seconds per point, 15 joules each poit. If the patient reports other specific places where he perceives burning symptoms, it will be applied at the site and the information will be collected for inclusion in the results. Sham laser group will be applying laser inactive therapy with the same specifications. They will carry out 6 sessions, for the same 2 weeks that the topical treatment will last.

This research is in according with the regulations of the general health law regarding health research and is at greater than minimum risk.

Being tested
low level laser therapy plus topical clonazepam, Sham laser plus topical clonazepam, Active laser plus placebo of topical clonazepam
Keywords
low-level laser therapy, topical clonazepam
Medical subject headings
Burning Mouth Syndrome

What participants receive

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

  • low level laser therapy plus topical clonazepamCombination product

    combination of treatment, low level laser therapy (15 joules, 6 sesions, 14 days) plus topical clonazepam (1 mg,3 times per day, 14 days)

  • Sham laser plus topical clonazepamDrug

    Sham laser therapy (0 joules, 6 sesions, 14 days) plus topical clonazepam(1 mg,3 times per day, 14 days)

  • Active laser plus placebo of topical clonazepamRadiation

    low level laser therapy (15 joules, 6 sesions, 14 days) plus placebo topical clonazepam(lactose,3 times per day, 14 days)

Study groups in NCT04313907
Study groupRoleWhat they receive
Acitve laser+topical clonazepamExperimentalUsing active laser (six sesions) 980 nm, 14 j , plus topical clonazepam 1 mg, 3 times at day, same 14 days both
Receives: Combination Product: low level laser therapy plus topical clonazepam
Sham laser+topical clonazepamSham comparatorUsing sham laser (six sesions) plus topical clonazepam 1 mg, 3 times at day, same 14 days both
Receives: Drug: Sham laser plus topical clonazepam
Active laser+placebo of topical clonazepamPlacebo comparatorUsing active laser (six sesions) 980 nm, 14 j , plus placebo of topical clonazepam (lactose), 3 times at day, same 14 days both
Receives: Radiation: Active laser plus placebo of topical clonazepam

What is being measured

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

  1. Burning Sensation

    Visual Analogue Scale using scale from 0 (No burning sensation) to 10 (maximum burning sensation)

    Measured: Change from baseline of Burning sensation using Visual Analogue Scale at 15 days, 1 month, 2 months, 3 months.

Secondary outcomes (1)
  1. Quality of life- Oral Health Impact Profile

    Oral Health Impact Profile short form of 14 questions, 7 dimensions. Values from 0 to 56, value of 0 is better quality of life and 56 very poor quality of life

    Measured: Change from baseline of Quality of life using OHIP-14 at 15 days, 1 month, 2 months, 3 months.

Timeline

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

  1. First posted18 Mar 2020
  2. Study start16 Aug 2019
  3. Primary completion16 Jun 2020 (estimated)
  4. Study completion16 Oct 2020 (estimated)

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
group 1:active laser+topical clonazepam, group 2:inactive laser+topical clonazepam, group 3:active laser+placebo clonazepam
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
27 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04313907
Sponsor's protocol ID
CIE/0505/02/2019
Acronym
BurnLasCLo
Status last verified
Mar 2020
First submitted
6 Mar 2020
Last updated
18 Mar 2020
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • dos Santos Lde F, de Andrade SC, Nogueira GE, Leao JC, de Freitas PM. Phototherapy on the Treatment of Burning Mouth Syndrome: A Prospective Analysis of 20 Cases. Photochem Photobiol. 2015 Sep-Oct;91(5):1231-6. doi: 10.1111/php.12490. Epub 2015 Aug 4.

    PubMed 26138316
  • Minor JS, Epstein JB. Burning mouth syndrome and secondary oral burning. Otolaryngol Clin North Am. 2011 Feb;44(1):205-19, vii. doi: 10.1016/j.otc.2010.09.008.

    PubMed 21093630
  • Kisely S, Forbes M, Sawyer E, Black E, Lalloo R. A systematic review of randomized trials for the treatment of burning mouth syndrome. J Psychosom Res. 2016 Jul;86:39-46. doi: 10.1016/j.jpsychores.2016.05.001. Epub 2016 May 9.

    PubMed 27302545
  • Heckmann SM, Kirchner E, Grushka M, Wichmann MG, Hummel T. A double-blind study on clonazepam in patients with burning mouth syndrome. Laryngoscope. 2012 Apr;122(4):813-6. doi: 10.1002/lary.22490. Epub 2012 Feb 16.

    PubMed 22344742
  • Romeo U, Del Vecchio A, Capocci M, Maggiore C, Ripari M. The low level laser therapy in the management of neurological burning mouth syndrome. A pilot study. Ann Stomatol (Roma). 2010 Jan;1(1):14-8. Epub 2010 Jun 29.

    PubMed 22238700
  • Valenzuela S, Lopez-Jornet P. Effects of low-level laser therapy on burning mouth syndrome. J Oral Rehabil. 2017 Feb;44(2):125-132. doi: 10.1111/joor.12463. Epub 2016 Dec 22.

    PubMed 27893167
  • Al-Maweri SA, Javed F, Kalakonda B, AlAizari NA, Al-Soneidar W, Al-Akwa A. Efficacy of low level laser therapy in the treatment of burning mouth syndrome: A systematic review. Photodiagnosis Photodyn Ther. 2017 Mar;17:188-193. doi: 10.1016/j.pdpdt.2016.11.017. Epub 2016 Dec 2.

    PubMed 27919663
  • Gremeau-Richard C, Woda A, Navez ML, Attal N, Bouhassira D, Gagnieu MC, Laluque JF, Picard P, Pionchon P, Tubert S. Topical clonazepam in stomatodynia: a randomised placebo-controlled study. Pain. 2004 Mar;108(1-2):51-7. doi: 10.1016/j.pain.2003.12.002.

    PubMed 15109507
  • Arbabi-Kalati F, Bakhshani NM, Rasti M. Evaluation of the efficacy of low-level laser in improving the symptoms of burning mouth syndrome. J Clin Exp Dent. 2015 Oct 1;7(4):e524-7. doi: 10.4317/jced.52298. eCollection 2015 Oct.

    PubMed 26535101
  • Arduino PG, Cafaro A, Garrone M, Gambino A, Cabras M, Romagnoli E, Broccoletti R. A randomized pilot study to assess the safety and the value of low-level laser therapy versus clonazepam in patients with burning mouth syndrome. Lasers Med Sci. 2016 May;31(4):811-6. doi: 10.1007/s10103-016-1897-8. Epub 2016 Feb 12.

    PubMed 26873501
  • Sugaya NN, Silva EF, Kato IT, Prates R, Gallo CB, Pellegrini VD. Low Intensity laser therapy in patients with burning mouth syndrome: a randomized, placebo-controlled study. Braz Oral Res. 2016 Oct 10;30(1):e108. doi: 10.1590/1807-3107BOR-2016.vol30.0108.

    PubMed 27737361
  • Spanemberg JC, Lopez Lopez J, de Figueiredo MA, Cherubini K, Salum FG. Efficacy of low-level laser therapy for the treatment of burning mouth syndrome: a randomized, controlled trial. J Biomed Opt. 2015 Sep;20(9):098001. doi: 10.1117/1.JBO.20.9.098001.

    PubMed 26359814

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing low level laser therapy plus topical clonazepam in people with Burning Mouth Syndrome, run by Universidad Nacional Autonoma de Mexico at 1 site in Mexico.

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 6 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: status not confirmed, as of the sponsor's last update on 18 Mar 2020. 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 Mexico. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

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

Contact Elba Rosa Leyva-Huerta, PhD (+525516514783, docelbaleyva@unam.mx), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Burning Sensation (time frame: Change from baseline of Burning sensation using Visual Analogue Scale at 15 days, 1 month, 2 months, 3 months.). 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 NCT04313907, which also lists 12 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 18 Mar 2020.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in