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Phase 3 Completed N=983 Randomized Quadruple-blind Prevention

Prevention of Adult Caries Study (PACS)

Caries, Dental
Source: ClinicalTrials.gov NCT00357877 ↗
Enrolled (actual)
983
Serious AEs
6.0%
Results posted
Jun 2017
Primary outcomePrimary: Total Net D12FS Caries Increment (Total of Non-cavitated Lesions (D1), Cavitated Lesions (D2) and Sound Surfaces (S)) — 2.43; 2.68 weighted increment units/13 months — p=0.56
◆ Published Evidence
Established
34citations · ~2 / year
Efficacy of chlorhexidine varnish for the prevention of adult caries: a randomized trial.
Journal of dental research · 2012 · High-confidence link

Summary

Adult tooth decay is an infectious disease that afflicts the majority of Americans aged 55 and older and is the most common chronic disease at midlife with an ever growing economic toll. Despite the fact that specific bacteria cause tooth decay, no FDA-approved anti-microbial treatment for decay is available to the American dental professional. The Prevention of Adult Caries Study (PACS) is a study designed to evaluate the efficacy of a topical, temporary, 10% w/v chlorhexidine dental coating in reducing new decay in adult dental patients at risk for decay.

Linked Publications (4)

  • Efficacy of chlorhexidine varnish for the prevention of adult caries: a randomized trial.
    Journal of dental research · 2012 · 34 citations · High-confidence link
  • Examiner training and reliability in two randomized clinical trials of adult dental caries.
    Journal of public health dentistry · 2011 · 32 citations · Likely link
  • Design of the Prevention of Adult Caries Study (PACS): a randomized clinical trial assessing the effect of a chlorhexidine dental coating for the prevention of adult caries.
    BMC oral health · 2010 · 16 citations · Open access · Likely link
  • Predictors of coronal caries progression in adults: results from the Prevention of Adult Caries Study.
    Community dentistry and oral epidemiology · 2013 · 3 citations · Likely link

Outcome Measures

OutcomeResultp-value
PRIMARY
Total Net D12FS Caries Increment (Total of Non-cavitated Lesions (D1), Cavitated Lesions (D2) and Sound Surfaces (S))
2.43; 2.68 0.56
SECONDARY
Cumulative Net D12FS Caries Increment
5.53; 5.88 0.54
SECONDARY
Total Crude D12FS Caries Increment
6.47; 5.96 0.18
SECONDARY
Cumulative Crude D12FS Caries Increment
11.39; 10.72 0.24

Eligibility Criteria

Inclusion Criteria

  • 18 years of age and older
  • at least 20 intact natural teeth, excluding third molars
  • 2 or more lesions, of which at least one must be a cavitated D2 or D3
  • willing and able to provide informed consent

Exclusion Criteria

  • pregnant or planning to become pregnant or planning to become pregnant during the study (breastfeeding is permitted)
  • use of fixed orthodontic appliances
  • allergic to any of the ingredients of the study medication
  • long-term antibiotic therapy
  • a history of, or currently active, radiation therapy for cancers of the head or neck
  • Sjögren's syndrome
  • advanced periodontitis
  • consumption of the equivalent of more than five servings of acidic or sugared drinks per day
  • having 10 or more lesions requiring restorative care at the time of the screening visit
  • remineralization therapy within one month of randomization
  • investigator discretion
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00357877) and the linked publication. Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.

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