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A multicenter randomized-controlled open clinical trial of human negative pressure chamber on clearing senescent cells in periodontitis

A multicenter randomized-controlled open clinical trial of human negative pressure chamber on clearing senescent cells in periodontitis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600123214
Enrollment
Unknown
Registered
2026-04-22
Start date
2026-04-22
Completion date
Unknown
Last updated
2026-04-27

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

Conditions

Periodontitis

Interventions

Experimental group:After completing the basic periodontal treatment, the subjects sat in a hypobaric pressure chamber for one hour every three days, with a negative pressure intensity of 50kPa. The to
Control group:The subjects complete the periodontal basic treatment.

Sponsors

Stomatological Hospital Affiliated to Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 68 Years

Inclusion criteria

Inclusion criteria: 1. In each quadrant, at least 3 teeth have a probing depth (PD) of >= 5 mm and a clinical attachment loss (CAL) of >= 3 mm, the proportion of (+) bleeding on probing (BOP) sites in the entire mouth is > 40%, and there are more than 15 remaining teeth in the mouth (excluding the third molars); 2. The age range is 18 to 68 years old; 3. All study subjects are in good overall health, have no recent medication history, no systemic diseases, and no allergy history; 4. Within 3 months, no antibiotics or non-steroidal anti-inflammatory drugs have been taken; 5. There are no obvious oral mucosal diseases, no ongoing oral diseases in treatment, and patients who have completed periodontal basic treatment and are in maintenance period; 6. The patients fully understand the purpose and requirements of this trial, voluntarily participate in the clinical trial and sign a written informed consent form, and are willing to complete all the trial procedures as required.

Exclusion criteria

Exclusion criteria: 1. Those with severe or unstable cardiovascular, respiratory, liver, kidney, hematological, endocrine and central nervous system diseases; 2. Those who had severe alcohol or drug dependence within the previous year (excluding caffeine or nicotine), or those who consumed alcohol at a daily intake of 5 units or more (1 unit = 360 mL beer or 45 mL white wine or 120 mL wine); 3. Those who have doubts about the treatment plan or have obvious mental and psychological disorders; 4. Those with irregular and need to work night shifts; 5. Those who had an infection history within the previous month, needed hospitalization and/or antibiotic treatment, or are currently using systemic hormones (glucocorticoids), immunosuppressants or cytotoxic treatments; 6. Pregnant and lactating women; 7. Those with ear diseases such as otitis media, perforated eardrum, etc.

Design outcomes

Primary

MeasureTime frame
Periodontal probing examination;Conical Beam CT of the Entire Dentition of the Mouth;Complete Blood Count;Lymphocyte senescence detection;Serum inflammatory factor levels;

Secondary

MeasureTime frame
Coagulation function;Blood lipid level;

Countries

China

Contacts

Public ContactXueli Mao

Stomatological Hospital Affiliated to Sun Yat-sen University

maoxuel@mail.sysu.edu.cn+86 20 8384 4247

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 1, 2026