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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05853679
Other study ID # RSAA2021
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 1, 2022
Est. completion date April 18, 2023

Study information

Verified date August 2023
Source Koite Health Oy
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Around 40 people will participate in the study. The study participants will be recruited from service homes in the City of Helsinki. The subjects will be randomized into two groups. One of the groups will receive daily photodynamic Lumoral treatment for 2 months in a home care unit according to a separate instruction manual. At the beginning of the study, all subjects will receive an oral cleaning and will also be provided with electric toothbrushes. In addition, residents and care home personnel will be instructed on daily tooth cleaning. During the study, all participants will undergo clinical measurements and an assessment of the oral inflammatory load. The samples will be stored for later analysis. In addition, residents or care home personnel answer questions about oral self-care. These measurements and examinations will be carried out at the start of the study and two months after the start of the study. After the end of the study, participants will continue to be treated according to their usual care and individual care plan.


Description:

The aim of this study is to investigate the effect of regular antibacterial photodynamic treatment in service accommodation on the oral hygiene of elderly people. The information from this study can be used to promote oral hygiene among residents in 24-hour care. Lumoral is a CE-marked medical home appliance that has been shown to be effective in reducing plaque development and the amount of harmful bacteria in plaque. The efficacy of the device is based on an antibacterial photodynamic process, whereby a photosensitive substance in Lumorinse attaches itself to the bacterial coating and is activated as an antibacterial agent by light. The antibacterial effect is directly targeted at the plaque, reducing the impact on the normal oral flora. Preliminary studies have shown that the method reduces the inflammatory factors associated with periodontitis. The study is being carried out in collaboration with the City of Helsinki Oral Health Department, the Metropolia University of Applied Sciences Oral Care Teaching Hospital and the University of Helsinki Department of Oral and Maxillofacial Surgery. The registrar of the study is the University of Helsinki. The study will be conducted in accordance with Good Clinical Practice (GCP) and ISO 14155 ("Clinical trials on medical devices. Good Clinical Practice"). The target population of the study will be residents in 24-hour care with at least 10 of their own teeth, who are judged by the caregiver to be able to participate in the study and who give written informed consent to participate in the study. Approximately 40 people will participate in the study. They will be recruited from the City of Helsinki's service homes. The subjects will be randomized into two groups. One of the groups will receive daily photodynamic Lumoral treatment for 2 months in a residential unit according to a separate instruction manual. At the beginning of the study, all subjects will receive an oral cleaning and will also be provided with electric toothbrushes. In addition, residents and carers will be instructed on daily tooth cleaning. During the study, all patients will undergo clinical measurements (VPI, CPITN, dry mouth) and an assessment of the oral inflammatory load using the aMMP-8 bowel inflammation test. The occlusion samples will be stored for later analysis. In addition, residents or caregivers answer questions about oral self-care. These measurements and examinations will be carried out at the start of the study and two months after the start of the study. After the end of the study, subjects will continue to be treated according to their usual care and individual care plan.


Recruitment information / eligibility

Status Completed
Enrollment 31
Est. completion date April 18, 2023
Est. primary completion date April 18, 2023
Accepts healthy volunteers No
Gender All
Age group 60 Years and older
Eligibility Inclusion Criteria: - A 24-hour care resident; - Understand and able to give consent to the study; - At least 10 functional teeth in the mouth (including implants); - Able to brush teeth and follow the instruction for use Lumoral treatment, based on the assessment by the nursing staff. Exclusion Criteria: - Incapable of participating in the study based on the assessment of the nursing staff - Toothless or less than 10 functional teeth in the mouth (including implants)

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Lumoral Treatment
The device will be used 5 to 7 times per week according to the manufacturer's instructions.
Other:
Standard oral hygiene instructions according to the Finnish Dental Association
Participants will be instructed to clean their teeth twice per day by an electric toothbrush, an interdental brush, and flossing.

Locations

Country Name City State
Finland City of Helsinki, Health and Social Services, Senior Services Helsinki Uusimaa

Sponsors (3)

Lead Sponsor Collaborator
Koite Health Oy City of Helsinki, University of Helsinki

Country where clinical trial is conducted

Finland, 

References & Publications (9)

De Visschere L, de Baat C, De Meyer L, van der Putten GJ, Peeters B, Soderfelt B, Vanobbergen J. The integration of oral health care into day-to-day care in nursing homes: a qualitative study. Gerodontology. 2015 Jun;32(2):115-22. doi: 10.1111/ger.12062. Epub 2013 Jun 20. — View Citation

Lahteenmaki H, Patila T, Raisanen IT, Kankuri E, Tervahartiala T, Sorsa T. Repeated Home-Applied Dual-Light Antibacterial Photodynamic Therapy Can Reduce Plaque Burden, Inflammation, and aMMP-8 in Peri-Implant Disease-A Pilot Study. Curr Issues Mol Biol. 2022 Mar 8;44(3):1273-1283. doi: 10.3390/cimb44030085. — View Citation

Nikinmaa S, Moilanen N, Sorsa T, Rantala J, Alapulli H, Kotiranta A, Auvinen P, Kankuri E, Meurman JH, Patila T. Indocyanine Green-Assisted and LED-Light-Activated Antibacterial Photodynamic Therapy Reduces Dental Plaque. Dent J (Basel). 2021 May 3;9(5):52. doi: 10.3390/dj9050052. — View Citation

Nishizawa T, Niikura Y, Akasaka K, Watanabe M, Kurai D, Amano M, Ishii H, Matsushima H, Yamashita N, Takizawa H. Pilot study for risk assessment of aspiration pneumonia based on oral bacteria levels and serum biomarkers. BMC Infect Dis. 2019 Sep 2;19(1):761. doi: 10.1186/s12879-019-4327-2. — View Citation

Nothdurft HD, Jelinek T, Pechel SM, Hess F, Maiwald H, Marschang A, von Sonnenburg F, Weinke T, Loscher T. Stand-by treatment of suspected malaria in travellers. Trop Med Parasitol. 1995 Sep;46(3):161-3. — View Citation

Saarela RKT, Hiltunen K, Kautiainen H, Roitto HM, Mantyla P, Pitkala KH. Oral hygiene and health-related quality of life in institutionalized older people. Eur Geriatr Med. 2022 Feb;13(1):213-220. doi: 10.1007/s41999-021-00547-8. Epub 2021 Jul 27. — View Citation

Saarela RKT, Hiltunen K, Mantyla P, Pitkala KH. Changes in Institutionalized Older People's Dentition Status in Helsinki, 2003-2017. J Am Geriatr Soc. 2020 Jan;68(1):221-223. doi: 10.1111/jgs.16230. Epub 2019 Oct 26. No abstract available. — View Citation

Suominen AL, Varsio S, Helminen S, Nordblad A, Lahti S, Knuuttila M. Dental and periodontal health in Finnish adults in 2000 and 2011. Acta Odontol Scand. 2018 Jul;76(5):305-313. doi: 10.1080/00016357.2018.1451653. Epub 2018 Mar 16. — View Citation

Willumsen T, Karlsen L, Naess R, Bjorntvedt S. Are the barriers to good oral hygiene in nursing homes within the nurses or the patients? Gerodontology. 2012 Jun;29(2):e748-55. doi: 10.1111/j.1741-2358.2011.00554.x. Epub 2011 Oct 24. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in oral hygiene / patient experience A change in baseline oral self-care and hygiene questionnaire compared to 2-month follow-up.
The questionnaires are completed by the study participants.
2 months
Primary Visible Plaque Index Change in Visible Plaque Index:
A full-mouth assessment at 4 sites per tooth will be made at baseline and at the 2 month follow-up visit
VPI is reported as the percentage (%) of sites with positive findings
Dichotomous scoring to each site of the tooth as plaque" 1 present" and" 0 absent"
Calculation formula: number of plaque sites/ 4 times number of teeth
2 months
Primary aMMP-8 chaiside test Change in oral inflammatory load measured by the aMMP-8 chairside speed test:
The aMMP-8 marker analysis will be performed using the Periosafe chair-side test (Dentognostics GmbH) according to the manufacturer's instructions.
Oral rinse samples will be stored for further analysis.
Further analysis includes aMMP-8 and its regulators by biochemical enzyme/molecule assays, immunoassays, and proteomics analysis.
2 months
Secondary Dryness in mouth Change in dryness in mouth. The data will be obtained by the thorough oral inspection performed by the investigators, and by a questionnaire (patient outcome).
Clinical assessment of moisture/dryness of oral mucosa (score 0-2):
0 = Saliva secretion looks normal (saliva serous and running)
= Mucous membrane of the mouth shiny and tightening/ saliva foamy or mucous/ little clear saliva at the base of the mouth
= Mouth completely dry, mirror sticking to cheek or tongue, mucous membranes often reddened/ bumps on tongue surface disappeared/ scab on melting.
2 months
Secondary Dryness in mouth (patient experience) The data will be obtained by a oral health questionnaire (patient outcome). 2 months
Secondary Usability of Lumoral Treatment device (patient outcome) The study participants will answer a questionnaire related to the usability of Lumoral Treatment device. 2 months
Secondary Usability of Lumoral Treatment device (care home personnel outcome) The care home nursing staff will answer a questionnaire related to their view of the usability of Lumoral Treatment device. The questionnaire will also ask about how easy or hard it was to instruct the care home patients to use the device on a near-daily basis and if they would recommend the device for further use or to their customers. 2 months
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