Trial Outcomes & Findings for The Use of Platelet Rich Fibrin in Pulpal and Periodontal Regeneration in Mature Teeth (NCT NCT02477358)

NCT ID: NCT02477358

Last Updated: 2023-10-04

Results Overview

Teeth (units) measuring vital via the following tests: thermal, percussion. Thermal was utilized with endo cold spray and percussion from tapping on teeth with mouth mirror.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

18 participants

Primary outcome timeframe

3-11 months. Each participant was measured for as long as it took to complete their prosthesis. The minimum study duration was 3 months and the maximum duration was 11 months in one subject.

Results posted on

2023-10-04

Participant Flow

Patient's were recruited from the UNMC Dental School

No pre-assignment details were completed prior to assignment to an arm/group

Unit of analysis: Teeth

Participant milestones

Participant milestones
Measure
PRF Treatment
All study participants are scheduled for teeth extraction. Subjects will be randomized to either receive either left tooth PRF; right tooth reimplantation, OR right tooth PRF; left tooth reimplantation. Following treatment each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months and then tested for vitality before extracting and examining histologically. All study participants will have two teeth extracted and 2 mm of root removed. Half of the subjects teeth will have PRF endodontic revascularization therapy and the other teeth will be reimplanted alone. Each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months and then tested for vitality before extracting and examining histologically.
No Treatment
All study participants are scheduled for teeth extraction. Subjects will be randomized to either receive either left tooth PRF; right tooth reimplantation, OR right tooth PRF; left tooth reimplantation. Following treatment each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months and then tested for vitality before extracting and examining histologically. All study participants will have two teeth extracted and 2 mm of root removed. Half of the subjects teeth will have PRF endodontic revascularization therapy and the other teeth will be reimplanted alone. Each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months and then tested for vitality before extracting and examining histologically.
Overall Study
STARTED
18 36
18 36
Overall Study
COMPLETED
18 35
18 35
Overall Study
NOT COMPLETED
0 1
0 1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
PRF Treatment
n=35 Teeth
All study participants are scheduled for teeth extraction (between 2 to 6 teeth per participant). Subjects will be randomized to either receive either left tooth PRF; right tooth re-implantation, OR right tooth PRF; left tooth re implantation. Following treatment each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for at least 3 months (up to 11 months) and then tested for vitality before extracting and examining histologically. All study participants will have two teeth extracted and 2 mm of root removed. Half of the subjects teeth will have PRF endodontic revascularization therapy. Each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months and then tested for vitality before extracting and examining histologically.
No Treatment
n=35 Teeth
All study participants are scheduled for teeth extraction (between 2 to 6 teeth per participant). Subjects will be randomized to either receive either left tooth PRF; right tooth re-implantation, OR right tooth PRF; left tooth re-implantation. Following treatment each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months (up to 11 months) and then tested for vitality before extracting and examining histologically. All study participants will have two teeth extracted and 2 mm of root removed. Half of the subjects teeth will be re implanted alone. Each tooth is replaced and splinted to the adjacent teeth. Teeth are followed for 3 months and then tested for vitality before extracting and examining histologically.
Total
n=70 Teeth
Total of all reporting groups
Age, Continuous
58.5 years
n=176 Teeth
58.5 years
n=13 Teeth
58.5 years
n=13 Teeth
Sex: Female, Male
Female
17 Teeth
n=176 Teeth • Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.
17 Teeth
n=13 Teeth • Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.
34 Teeth
n=13 Teeth • Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.
Sex: Female, Male
Male
18 Teeth
n=176 Teeth • Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.
18 Teeth
n=13 Teeth • Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.
36 Teeth
n=13 Teeth • Units were not evenly split between male/female gender. A larger proportion of total units were measured in male participants.
Pre-treatment Tooth Vitality to Thermal and Percussion Sensitivity
Pre Thermal
.852 Teeth
STANDARD_DEVIATION .089 • n=176 Teeth
.939 Teeth
STANDARD_DEVIATION .048 • n=13 Teeth
.8955 Teeth
STANDARD_DEVIATION .0685 • n=13 Teeth
Pre-treatment Tooth Vitality to Thermal and Percussion Sensitivity
Pre Percussion
.121 Teeth
STANDARD_DEVIATION .066 • n=176 Teeth
.092 Teeth
STANDARD_DEVIATION .056 • n=13 Teeth
.1065 Teeth
STANDARD_DEVIATION .061 • n=13 Teeth
Pre-treatment Tooth Vitality to Electric Pulp Test (EPT)
34.0 EPT Units (0-80)
STANDARD_DEVIATION 3.0 • n=176 Teeth
33.1 EPT Units (0-80)
STANDARD_DEVIATION 3.0 • n=13 Teeth
33.5 EPT Units (0-80)
STANDARD_DEVIATION 3.0 • n=13 Teeth

PRIMARY outcome

Timeframe: 3-11 months. Each participant was measured for as long as it took to complete their prosthesis. The minimum study duration was 3 months and the maximum duration was 11 months in one subject.

Population: Half of the subjects teeth will have PRF endodontic revascularization therapy and the other teeth will be reimplanted only without PRF endodontic reveascularization therapy.

Teeth (units) measuring vital via the following tests: thermal, percussion. Thermal was utilized with endo cold spray and percussion from tapping on teeth with mouth mirror.

Outcome measures

Outcome measures
Measure
Experimental: PRF Treated
n=35 Teeth
Teeth Extracted and reimplanted after PRF endodontic revascularization therapy. Splinted to adjacent teeth. Monitored for 3 months then tested for vitality (EPT, Thermal, Percussion), extracted, histologically examined.
No Intervention: Control
n=35 Teeth
Teeth Extracted and reimplanted. Splinted to adjacent teeth. Monitored for 3 months then tested for vitality (EPT, Thermal, Percussion), extracted, histologically examined.
Vitality of Teeth (Units) Using Thermal and Percussion Sensitivity Trend Observed During Study Duration (3-11 Months)
Teeth with Thermal Sensitivity Results
.559 Teeth
Standard Deviation .120
.592 Teeth
Standard Deviation .118
Vitality of Teeth (Units) Using Thermal and Percussion Sensitivity Trend Observed During Study Duration (3-11 Months)
Teeth with Percussion Sensitivity Results
.065 Teeth
Standard Deviation .046
.040 Teeth
Standard Deviation .034

PRIMARY outcome

Timeframe: 3-11 months. Each participant was measured for as long as it took to complete their prosthesis. The minimum study duration was 3 months and the maximum duration was 11 months in one subject.

Population: Half of the subjects teeth will have PRF endodontic revascularization therapy and the other teeth will be reimplanted only without PRF endodontic reveascularization therapy.

Teeth (units) measuring vital via the following tests: EPT utilizing EPT units (0-80). There is no specific number that suggests vital vs un-vital but rather it is a trend towards un-vital which is determined as 80.

Outcome measures

Outcome measures
Measure
Experimental: PRF Treated
n=35 Teeth
Teeth Extracted and reimplanted after PRF endodontic revascularization therapy. Splinted to adjacent teeth. Monitored for 3 months then tested for vitality (EPT, Thermal, Percussion), extracted, histologically examined.
No Intervention: Control
n=35 Teeth
Teeth Extracted and reimplanted. Splinted to adjacent teeth. Monitored for 3 months then tested for vitality (EPT, Thermal, Percussion), extracted, histologically examined.
Vitality of Teeth Using Electronic Pulp Test (EPT Units) Trend Observed During Study Duration (3-11 Months)
57 EPT Units (0-80)
Standard Deviation 3.79
55.45 EPT Units (0-80)
Standard Deviation 3.81

Adverse Events

Experimental: PRF Treated

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

No Intervention: Control

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

Elisabeth Easley

University of Nebraska Medical Center

Phone: 530-524-6020

Results disclosure agreements

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