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The relationship between anxiety, periodontal health, and oral microbiome

The relationship between anxiety, periodontal health, and oral microbiome

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600129837
Enrollment
Unknown
Registered
2026-08-11
Start date
2026-08-15
Completion date
Unknown
Last updated
2026-08-24

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

Conditions

Periodontitis

Interventions

Sponsors

Stomatology Hospital,Zhejiang University School Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Experimental group: 1) Age >=18 years; 2) Diagnosed with generalized anxiety disorder based on clinical DSM-5 criteria at the Department of Psychosomatic Medicine, Hangzhou Seventh People's Hospital; 3) HAMA score >= 18; 4) Signed informed consent; 5) Agreed to the collection of saliva, subgingival, and blood samples and the completion of questionnaires in accordance with the SOP. 2.Control group: 1) age >=18 years; 2) recruited from the Department of Implantology at the Affiliated Stomatological Hospital of Zhejiang University School of Medicine, with no history of psychiatric disorders such as anxiety or depression; 3) GAD score <=4; 4) signed informed consent; 5) agreed to the collection of saliva, subgingival, and blood samples and the completion of questionnaires in accordance with the SOP.

Exclusion criteria

Exclusion criteria: 1.Recent use (within the past 3 months) of systemic antibiotics, systemic corticosteroids, or immunosuppressants; 2. Recent receipt (within the past 6 months) of systemic periodontal therapy or periodontal surgery; 3. Pregnant or lactating women; 4. Current severe systemic disease (e.g., active malignancy, severe hepatic or renal insufficiency); 5. Inability to complete the sampling protocol as required (e.g., failure to adhere to fasting requirements for saliva sampling); 6. Absence of natural teeth, preventing subgingival saliva sampling; 7. Current smokers or those who have quit smoking for less than one year; 8. Severe substance abuse (e.g., alcohol or drugs); 9. Severe cognitive impairment rendering the patient unable to understand informed consent.

Design outcomes

Primary

MeasureTime frame
High-throughput sequencing data of gingival crevicular fluid and saliva;

Secondary

MeasureTime frame
Clinical oral examination;Hematological, immunological, and cortisol markers;

Countries

China

Contacts

Public ContactYang Guoli

Stomatology Hospital,Zhejiang University School Medicine

guo_li1977@zju.edu.cn+86 13600529781

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Sep 19, 2026