Trial Outcomes & Findings for The Response of Pathogens to the Respective or Combined Treatment of SRP and Local Minocycline in Chronic Periodontitis (NCT NCT02355977)

NCT ID: NCT02355977

Last Updated: 2015-12-02

Results Overview

PD is measured using a standard CPI(community periodontal index) probe (Shanghai Medical Instruments, Shanghai, China) and assessed to the nearest millimeter.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

70 participants

Primary outcome timeframe

7 days

Results posted on

2015-12-02

Participant Flow

Participant milestones

Participant milestones
Measure
Surface and Root Planning
surface and root planning is performed in a single-visit, one-stage, full mouth pattern using periodontal ultrasonic scaler (Satelec, Mérignac, France) surface and root planning: surface and root planning
Locally Delivered Minocycline
Locally delivered minocycline is administered directly into the periodontal pocket up to the gingival margin of the selected teeth minocycline: Periocline dental ointment surface and root planning: surface and root planning
Surface and Root Planning+Minocycline
surface and root planning+locally delivered minocycline is the combined administration of both surface and root planning and locally delivered minocycline. minocycline: Periocline dental ointment
Overall Study
STARTED
21
26
23
Overall Study
COMPLETED
21
26
23
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Response of Pathogens to the Respective or Combined Treatment of SRP and Local Minocycline in Chronic Periodontitis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Surface and Root Planning
n=21 Participants
surface and root planning is performed in a single-visit, one-stage, full mouth pattern using periodontal ultrasonic scaler (Satelec, Mérignac, France) surface and root planning: surface and root planning
Locally Delivered Minocycline
n=26 Participants
Locally delivered minocycline is administered directly into the periodontal pocket up to the gingival margin of the selected teeth minocycline: Periocline dental ointment surface and root planning: surface and root planning
Surface and Root Planning+Minocycline
n=23 Participants
surface and root planning+locally delivered minocycline is the combined administration of both surface and root planning and locally delivered minocycline. minocycline: Periocline dental ointment
Total
n=70 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Age, Categorical
Between 18 and 65 years
20 Participants
n=5 Participants
22 Participants
n=7 Participants
22 Participants
n=5 Participants
64 Participants
n=4 Participants
Age, Categorical
>=65 years
1 Participants
n=5 Participants
4 Participants
n=7 Participants
1 Participants
n=5 Participants
6 Participants
n=4 Participants
Age, Continuous
47 years
STANDARD_DEVIATION 15 • n=5 Participants
50 years
STANDARD_DEVIATION 13 • n=7 Participants
49 years
STANDARD_DEVIATION 11 • n=5 Participants
49 years
STANDARD_DEVIATION 13 • n=4 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
9 Participants
n=7 Participants
12 Participants
n=5 Participants
34 Participants
n=4 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
17 Participants
n=7 Participants
11 Participants
n=5 Participants
36 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
21 Participants
n=5 Participants
26 Participants
n=7 Participants
23 Participants
n=5 Participants
70 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Region of Enrollment
China
21 participants
n=5 Participants
26 participants
n=7 Participants
23 participants
n=5 Participants
70 participants
n=4 Participants

PRIMARY outcome

Timeframe: 7 days

PD is measured using a standard CPI(community periodontal index) probe (Shanghai Medical Instruments, Shanghai, China) and assessed to the nearest millimeter.

Outcome measures

Outcome measures
Measure
Surface and Root Planning
n=21 Participants
surface and root planning is performed in a single-visit, one-stage, full mouth pattern using periodontal ultrasonic scaler (Satelec, Mérignac, France) surface and root planning: surface and root planning
Locally Delivered Minocycline
n=26 Participants
Locally delivered minocycline is administered directly into the periodontal pocket up to the gingival margin of the selected teeth minocycline: Periocline dental ointment surface and root planning: surface and root planning
Surface and Root Planning+Minocycline
n=23 Participants
surface and root planning+locally delivered minocycline is the combined administration of both surface and root planning and locally delivered minocycline. minocycline: Periocline dental ointment
Pocket Depth
4.34 mm
Standard Deviation 0.57
4.81 mm
Standard Deviation 0.99
4.5 mm
Standard Deviation 0.53

SECONDARY outcome

Timeframe: 7 days

BOP is evaluated for the treated tooth using the sulcus bleeding index (SBI) by Muhlemann with a range of 0 (no bleeding) to 5 (profuse bleeding)

Outcome measures

Outcome measures
Measure
Surface and Root Planning
n=21 Participants
surface and root planning is performed in a single-visit, one-stage, full mouth pattern using periodontal ultrasonic scaler (Satelec, Mérignac, France) surface and root planning: surface and root planning
Locally Delivered Minocycline
n=26 Participants
Locally delivered minocycline is administered directly into the periodontal pocket up to the gingival margin of the selected teeth minocycline: Periocline dental ointment surface and root planning: surface and root planning
Surface and Root Planning+Minocycline
n=23 Participants
surface and root planning+locally delivered minocycline is the combined administration of both surface and root planning and locally delivered minocycline. minocycline: Periocline dental ointment
Bleeding on Probing
1.42 units on a scale
Standard Deviation 0.55
1.23 units on a scale
Standard Deviation 0.70
1.42 units on a scale
Standard Deviation 0.55

SECONDARY outcome

Timeframe: 7 days

Population: The analyzed units of the gene load of bacteria are log10.

Real-time quantitative PCR (qRT-PCR) was used as a powerful tool with high sensitivity and specificity to quantitatively assess target periodontal bacteria.

Outcome measures

Outcome measures
Measure
Surface and Root Planning
n=21 Participants
surface and root planning is performed in a single-visit, one-stage, full mouth pattern using periodontal ultrasonic scaler (Satelec, Mérignac, France) surface and root planning: surface and root planning
Locally Delivered Minocycline
n=26 Participants
Locally delivered minocycline is administered directly into the periodontal pocket up to the gingival margin of the selected teeth minocycline: Periocline dental ointment surface and root planning: surface and root planning
Surface and Root Planning+Minocycline
n=23 Participants
surface and root planning+locally delivered minocycline is the combined administration of both surface and root planning and locally delivered minocycline. minocycline: Periocline dental ointment
Bacterial Load
Aggregatibacter actinomycetemcomitans (Aa)
5.55 log10 (copies/ml)
Standard Deviation 0.59
4.32 log10 (copies/ml)
Standard Deviation 1.67
4.77 log10 (copies/ml)
Standard Deviation 0.86
Bacterial Load
Fusobacterium nucleatum (Fn)
6.77 log10 (copies/ml)
Standard Deviation 0.39
6.37 log10 (copies/ml)
Standard Deviation 0.43
6.72 log10 (copies/ml)
Standard Deviation 0.42
Bacterial Load
Porphyromonas gingivalis (Pg)
7.11 log10 (copies/ml)
Standard Deviation 1.77
6.72 log10 (copies/ml)
Standard Deviation 1.73
7.13 log10 (copies/ml)
Standard Deviation 1.78
Bacterial Load
Prevotella intermedia (Pi)
4.98 log10 (copies/ml)
Standard Deviation 0.72
4.58 log10 (copies/ml)
Standard Deviation 1.16
4.77 log10 (copies/ml)
Standard Deviation 0.92

Adverse Events

Surface and Root Planning

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Locally Delivered Minocycline

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Surface and Root Planning+Minocycline

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Ying Wang

Zhejiang University

Phone: 86-571-87217437

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place