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pHPhase 1pHSBNCT05437874

Carbonated Beverage Consumption in pH and Bacterial Proliferation

A Phase 1 study testing Natural Water in people with pH and Saliva, run by Hospital Infantil de Mexico Federico Gomez at 1 site in Mexico.

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

The objective of this research is to evaluate the oral modifications caused by different types of coke drinks (regular coke and diet coke). The salivary and the dental biofilm pH will be determined in the first minutes after their consumption. Read more about this study

Who is it for?
Ages 12 to 18 yearsHealthy volunteers can take part
Conditions the study is for
pH, Saliva, Dental Plaque
What is being tested?
Natural Water
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
18 participants
Where
1 siteMexico
Study dates
18 Jan 2018to 18 Jul 2019
Phase
Phase 1
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 12 to 18 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult

Who may be able to join

  • Habitual consumption of soft drinks
  • DMFT (Decayed, Missing, and Filled Teeth) index of at least 3
  • Agree to participate in the study and sign informed consent
  • Parents sign informed consent
  • Any nutritional condition

Who cannot join

  • Undergoing orthodontic treatment
  • Received a topical application of fluoride during the last 3 months
  • Having a motor disability that interfered with tooth brushing
  • Consuming drugs or being carriers of diseases that cause xerostomia
  • Being under antibiotic therapy during the study period
  • Having active periodontal infections.

Trial locations and contacts

1 site in 1 country.

Mexico1 site
  • Children´s Hospital of Mexico Federico Gómez

    Mexico City, 06720

Other trials in Mexico

About this study

Official title: Effects of Carbonated Beverage Consumption on Oral pH and Bacterial Proliferation in Adolescents: A Randomized Crossover Clinical Trial.

The objective of this research is to evaluate the oral modifications caused by different types of coke drinks (regular coke and diet coke). The salivary and the dental biofilm pH will be determined in the first minutes after their consumption. Additionally, the bacterial proliferation of dental biofilm will be evaluated.

Read the detailed description

Sugary soft drinks modify oral pH and favor bacterial proliferation and are associated with the development of caries. Information on the effects of consuming carbonated drinks without sucrose is limited.

In this crossover clinical trial, salivary pH and dental biofilm pH will be determined. These will be registered at 0, 5, 10, 15, 30, 45, and 60 min after the participants ingested 355 ml of natural water, soft drink with sucrose, soft drink with aspartame/acesulfame K or carbonated water on different days (1 week between each other). In addition, dental biofilm cultures will be conducted at 0 and 120 minutes after intake of each beverage to determine Streptococcus mutans biofilm formation.

The patients will be invited to participate and informed of the potential risks. Those who signed informed consent and have eligibility requirements will be randomized in a double-blind manner.

The data collection will be carried out in records forms, including verifying the patient's previous conditions, identification data (ID, age, gender,) and possible adverse events. If any adverse effect could exist, the research team will be notified for the implementation of possible changes.

A HANNA HI 221 potentiometer (HANNA Instruments Inc. Woonsocket-RI-USA, Romania) will be used to determine salivary pH and dental biofilm pH. The electrode will be calibrated using buffer solutions of pH 4.0 and 7.0 for correct records. The electrode will be washed with distilled water before and after each sample. The data will be collected by 2 verifiers, guaranteeing that the information obtained is the same as that indicated on the potentiometer; a stopwatch will indicate the exact time for obtaining the pH values.

Samples of dental biofilm will be taken, and Streptococcus mutans biofilm formation will be evaluated at 0 and 120 minutes after taking each beverage. The samples will be cultivated in suitable conditions, identified and compared with ATCC. The samples obtained will be analyzed in the same place of collection to avoid possible contamination.

Sample size with an alpha=0.05 and a beta=0.8 include 22, considering 20% losses.

Variables will be described with frequencies and percentages or medians and interquartile range (IQR) according to the variable type. Salivary pH and dental biofilm at different times will be compared using ANOVA analysis with adjustment for multiple comparisons using Bonferroni correction. Changes in the bacterial proliferation of the dental biofilm at 0 and 120 min will be compared using the Wilcoxon test and intergroup changes will be compared using the Kruskal-Wallis test. The statistical program SPSS v. 22 will be used and statistical significance will be considered with a p ≤ 0.05

Conditions
pH, Saliva, Dental Plaque
Being tested
Natural Water
Keywords
pH, caries, saliva, artificial sweetener, carbonated beverages, dental biofilm
Medical subject headings
Dental Plaque

What participants receive

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

  • Natural WaterDrug

    Also called Plain water

    355 ml of regular coke, diet coke or mineral water should be drunk.

    • Salivary pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later
    • Dental biofilm pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later
    • Streptococcus mutans dental biofilm formation ( Colony Forming Units) will be conducted at 0 and 120 minutes later
Study groups in NCT05437874
Study groupRoleWhat they receive
Natural WaterPlacebo comparator355 ml of water should be drunk. * Salivary pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Dental biofilm pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Streptococcus mutans dental biofilm formation ( Colony Forming Units) will be conducted at 0 and 120 minutes later
Receives: Drug: Natural Water
Carbonated waterActive comparator355 ml of carbonated water should be drunk * Salivary pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Dental biofilm pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Streptococcus mutans dental biofilm formation ( Colony Forming Units) will be conducted at 0 and 120 minutes later
Receives: Drug: Natural Water
Aspartame/acesulfame KExperimental355 ml of drink of diet coke should be drunk. * Salivary pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Dental biofilm pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Streptococcus mutans dental biofilm formation ( Colony Forming Units) will be conducted at 0 and 120 minutes later
Receives: Drug: Natural Water
SaccharoseExperimental355 ml of drink of regular coke should be drunk * Salivary pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Dental biofilm pH will be determined at 0, 5, 10, 15, 30, 45 and 60 minutes later * Streptococcus mutans dental biofilm formation ( Colony Forming Units) will be conducted at 0 and 120 minutes later
Receives: Drug: Natural Water

What is being measured

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

  1. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  2. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  3. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  4. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  5. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  6. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  7. Mean salivary pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

  8. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  9. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  10. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  11. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  12. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  13. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  14. Mean salivary pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

  15. Mean salivary pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  16. Mean salivary pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  17. Mean salivary pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  18. Mean salivary pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  19. Mean salivary pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  20. Mean salivary pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  21. Mean salivary pH with carbonated water

    logarithm of hydrogen ion concentration

    Measured: 60 minutes

  22. Mean salivary pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  23. Mean salivary pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  24. Mean salivary pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  25. Mean salivary pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  26. Mean salivary pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  27. Mean salivary pH with natual water

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  28. Mean salivary pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

Secondary outcomes (28)
  1. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  2. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  3. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  4. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  5. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  6. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  7. Mean dental biofilm pH with regular coke

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

  8. Mean dental biofilm pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  9. Mean dental biofilm pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  10. Mean dental biofilm pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  11. Mean dental pH biofilm with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  12. Mean dental biofilm pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  13. Mean dental biofilm pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  14. Mean dental biofilm pH with diet coke

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

  15. Mean dental biofilm pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  16. Mean dental biofilm pH with diet carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  17. Mean dental biofilm pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  18. Mean dental biofilm pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  19. Mean dental pellicle pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  20. Mean dental biofilm pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  21. Mean dental biofilm pH with carbonated water

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

  22. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 0 minutes

  23. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 5 minutes

  24. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 10 minutes

  25. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 15 minutes

  26. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 30 minutes

  27. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 45 minutes

  28. Mean dental biofilm pH with natural water

    Logarithm of hydrogen ion concentration

    Measured: 60 minutes

Timeline

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

  1. First posted29 Jun 2022
  2. Study start18 Jan 2018
  3. Primary completion31 Jan 2019
  4. Study completion18 Jul 2019

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 1
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Crossover
Model description
A Randomized Crossover Clinical Trial
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
18 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05437874
Sponsor's protocol ID
HIM 2017-084 SSA 1411
Acronym
pHSB
Status last verified
Jun 2022
First submitted
9 Jun 2022
Last updated
29 Jun 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: IPD that underlie results in a publication

Publications

  • Gonzalez-Aragon Pineda AE, Garcia Perez A, Garcia-Godoy F. Salivary parameters and oral health status amongst adolescents in Mexico. BMC Oral Health. 2020 Jul 6;20(1):190. doi: 10.1186/s12903-020-01182-8.

    PubMed 32631313
  • Machiulskiene V, Campus G, Carvalho JC, Dige I, Ekstrand KR, Jablonski-Momeni A, Maltz M, Manton DJ, Martignon S, Martinez-Mier EA, Pitts NB, Schulte AG, Splieth CH, Tenuta LMA, Ferreira Zandona A, Nyvad B. Terminology of Dental Caries and Dental Caries Management: Consensus Report of a Workshop Organized by ORCA and Cariology Research Group of IADR. Caries Res. 2020;54(1):7-14. doi: 10.1159/000503309. Epub 2019 Oct 7.

    PubMed 31590168
  • Vieira AR, Modesto A, Marazita ML. Caries: review of human genetics research. Caries Res. 2014;48(5):491-506. doi: 10.1159/000358333. Epub 2014 May 21.

    PubMed 24853115
  • Krzysciak W, Pluskwa KK, Piatkowski J, Krzysciak P, Jurczak A, Koscielniak D, Skalniak A. The usefulness of biotyping in the determination of selected pathogenicity determinants in Streptococcus mutans. BMC Microbiol. 2014 Aug 5;14:194. doi: 10.1186/1471-2180-14-194.

    PubMed 25096795
  • Mathur MR, Tsakos G, Millett C, Arora M, Watt R. Socioeconomic inequalities in dental caries and their determinants in adolescents in New Delhi, India. BMJ Open. 2014 Dec 12;4(12):e006391. doi: 10.1136/bmjopen-2014-006391.

    PubMed 25500618
  • Koo H, Falsetta ML, Klein MI. The exopolysaccharide matrix: a virulence determinant of cariogenic biofilm. J Dent Res. 2013 Dec;92(12):1065-73. doi: 10.1177/0022034513504218. Epub 2013 Sep 17.

    PubMed 24045647
  • Gonzalez-Aragon Pineda AE, Borges-Yanez SA, Irigoyen-Camacho ME, Lussi A. Relationship between erosive tooth wear and beverage consumption among a group of schoolchildren in Mexico City. Clin Oral Investig. 2019 Feb;23(2):715-723. doi: 10.1007/s00784-018-2489-8. Epub 2018 May 13.

    PubMed 29756172
  • Lemos JA, Palmer SR, Zeng L, Wen ZT, Kajfasz JK, Freires IA, Abranches J, Brady LJ. The Biology of Streptococcus mutans. Microbiol Spectr. 2019 Jan;7(1):10.1128/microbiolspec.gpp3-0051-2018. doi: 10.1128/microbiolspec.GPP3-0051-2018.

    PubMed 30657107
  • Bechir F, Pacurar M, Tohati A, Bataga SM. Comparative Study of Salivary pH, Buffer Capacity, and Flow in Patients with and without Gastroesophageal Reflux Disease. Int J Environ Res Public Health. 2021 Dec 25;19(1):201. doi: 10.3390/ijerph19010201.

    PubMed 35010461
  • Peng X, Han Q, Zhou X, Chen Y, Huang X, Guo X, Peng R, Wang H, Peng X, Cheng L. Effect of pH-sensitive nanoparticles on inhibiting oral biofilms. Drug Deliv. 2022 Dec;29(1):561-573. doi: 10.1080/10717544.2022.2037788.

    PubMed 35156501
  • Foglio-Bonda PL, Brilli K, Pattarino F, Foglio-Bonda A. Salivary flow rate and pH in patients with oral pathologies. Eur Rev Med Pharmacol Sci. 2017 Jan;21(2):369-374.

    PubMed 28165549
  • Aiuchi H, Kitasako Y, Fukuda Y, Nakashima S, Burrow MF, Tagami J. Relationship between quantitative assessments of salivary buffering capacity and ion activity product for hydroxyapatite in relation to cariogenic potential. Aust Dent J. 2008 Jun;53(2):167-71. doi: 10.1111/j.1834-7819.2008.00027.x.

    PubMed 18494973
  • Ilie O, van Turnhout AG, van Loosdrecht MC, Picioreanu C. Numerical modelling of tooth enamel subsurface lesion formation induced by dental plaque. Caries Res. 2014;48(1):73-89. doi: 10.1159/000354123. Epub 2013 Nov 14.

    PubMed 24248036
  • Humphrey SP, Williamson RT. A review of saliva: normal composition, flow, and function. J Prosthet Dent. 2001 Feb;85(2):162-9. doi: 10.1067/mpr.2001.113778.

    PubMed 11208206
  • Kaur A, Kwatra KS, Kamboj P. Evaluation of non-microbial salivary caries activity parameters and salivary biochemical indicators in predicting dental caries. J Indian Soc Pedod Prev Dent. 2012 Jul-Sep;30(3):212-7. doi: 10.4103/0970-4388.105013.

    PubMed 23263424

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Natural Water in people with pH and Saliva, run by Hospital Infantil de Mexico Federico Gomez 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 5 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: finished, as of the sponsor's last update on 29 Jun 2022. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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

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?

Mean salivary pH with regular coke (time frame: 0 minutes). The study lists 28 primary outcomes in all. 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 NCT05437874, which also lists 30 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 29 Jun 2022.

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