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Metagenomic sequencing of the microbiome between different stages and grades of periodontitis

Molecular mechanism of activated pyroptosis through caspase-11-cleaved Gasdermin D on progression of Porphyromonas gingivitis induced chronic periodontitis

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000039426
Enrollment
Unknown
Registered
2020-10-27
Start date
2020-10-19
Completion date
Unknown
Last updated
2021-02-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Periodontitis

Interventions

Periodontal health group vs. Periodontitis group:Nil

Sponsors

The Affiliated Stomatology Hospital, Zhejiang University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged 20-70 years; 2. The diagnostic criterion was referred to 2018 world new classification of periodontal and peri-implant diseases: Periodontal health is defined as 10% bleeding site, with probing depths = 2 non-adjacent teeth, or 2) buccal or oral CAL >= 3 mm with pocketing >= 3 mm is detectable at >= 2 teeth but the observed CAL cannot be ascribed to non-periodontitis-related causes.

Exclusion criteria

Exclusion criteria: 1. Subjects with systemic diseases (diabetes, etc.); 2. Subjects with a history of smoking; 3. Subjects with a history of periodontal treatment; 4. Subjects with antibiotics, hormones, non-steroidal anti-inflammatory drugs, contraceptives and other drugs or preparations in the past 6 months; 5. Women who are pregnant, breastfeeding, or preparing for pregnancy; 6. Subjects with obvious abnormal occlusion or a history of orthodontic treatment.

Design outcomes

Secondary

MeasureTime frame
Bleeding on probing;Probing depth;Clinical attachment loss;IL-1ß;IL-18;Caspase-1;LC3-a/ß;SQSTM1;

Countries

China

Contacts

Public ContactPeihui Ding

The Affiliated Stomatology Hospital, Zhejiang University School of Medicine

phding@163.com+86 18957108518

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026