Trial Outcomes & Findings for Randomized, Open Investigation Evaluating the Efficacy of Nobel Biocare SFB and CFB Implants (NCT NCT01397617)

NCT ID: NCT01397617

Last Updated: 2016-04-22

Results Overview

Marginal bone remodeling is calculated for each side of the implant (mesial and distal) separately, as the difference between bone levels at two time points. The average of mesial and distal remodeling is then calculated for each implant site (paired for each side between two different points). Negative numbers indicate bone loss. Implant insertion was defined as a baseline. Missing data was not imputed and not included in evaluation.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

177 participants

Primary outcome timeframe

baseline, 3 months, 6 months, 12 months, 24 months, 36 months and 60 months

Results posted on

2016-04-22

Participant Flow

Participant milestones

Participant milestones
Measure
NobelActive Internal
NobelActive Internal implant NobelActive Internal implant
NobelActive External
NobelActive External implant NobelActive External implant
NobelReplace Tapered Groovy
NobelReplace Tapered Groovy implant NobelReplace Tapered Groovy implant
Overall Study
STARTED
64
53
60
Overall Study
COMPLETED
33
30
31
Overall Study
NOT COMPLETED
31
23
29

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Randomized, Open Investigation Evaluating the Efficacy of Nobel Biocare SFB and CFB Implants

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
NobelActive Internal
n=64 Participants
NobelActive Internal implant NobelActive Internal implant
NobelActive External
n=53 Participants
NobelActive External implant NobelActive External implant
NobelReplace Tapered Groovy
n=60 Participants
NobelReplace Tapered Groovy implant NobelReplace Tapered Groovy implant
Total
n=177 Participants
Total of all reporting groups
Age, Continuous
49.5 years
STANDARD_DEVIATION 13.1 • n=5 Participants
49.9 years
STANDARD_DEVIATION 13.6 • n=7 Participants
46.9 years
STANDARD_DEVIATION 14.6 • n=5 Participants
48.2 years
STANDARD_DEVIATION 13.8 • n=4 Participants
Sex: Female, Male
Female
37 Participants
n=5 Participants
21 Participants
n=7 Participants
34 Participants
n=5 Participants
92 Participants
n=4 Participants
Sex: Female, Male
Male
27 Participants
n=5 Participants
32 Participants
n=7 Participants
26 Participants
n=5 Participants
85 Participants
n=4 Participants

PRIMARY outcome

Timeframe: baseline, 3 months, 6 months, 12 months, 24 months, 36 months and 60 months

Population: Intent to treat analysis (all participants who received at least one implant were analyzed). Missing data was not imputed and not included in evaluation.

Marginal bone remodeling is calculated for each side of the implant (mesial and distal) separately, as the difference between bone levels at two time points. The average of mesial and distal remodeling is then calculated for each implant site (paired for each side between two different points). Negative numbers indicate bone loss. Implant insertion was defined as a baseline. Missing data was not imputed and not included in evaluation.

Outcome measures

Outcome measures
Measure
NobelActive External
n=53 Participants
NobelActive External implant NobelActive External implant
NobelActive Internal
n=64 Participants
NobelActive Internal implant NobelActive Internal implant
NobelReplace Tapered Groovy
n=60 Participants
NobelReplace Tapered Groovy implant NobelReplace Tapered Groovy implant
The Primary Endpoint Was the Change in Marginal Bone Levels (in mm) From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
implant insertion to 60 months
-0.31 mm
Standard Deviation 1.50
-0.98 mm
Standard Deviation 1.60
-1.13 mm
Standard Deviation 1.67
The Primary Endpoint Was the Change in Marginal Bone Levels (in mm) From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
implant insertion to 36 months
-0.16 mm
Standard Deviation 1.06
-0.89 mm
Standard Deviation 1.65
-0.85 mm
Standard Deviation 1.32
The Primary Endpoint Was the Change in Marginal Bone Levels (in mm) From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
implant insertion to 24 months
-0.35 mm
Standard Deviation 0.83
-0.68 mm
Standard Deviation 1.35
-0.96 mm
Standard Deviation 1.25
The Primary Endpoint Was the Change in Marginal Bone Levels (in mm) From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
implant insertion to 12 months
-0.64 mm
Standard Deviation 0.97
-0.95 mm
Standard Deviation 1.37
-0.63 mm
Standard Deviation 1.17
The Primary Endpoint Was the Change in Marginal Bone Levels (in mm) From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
implant insertion to 6 months
-0.92 mm
Standard Deviation 0.96
-1.03 mm
Standard Deviation 1.36
-0.75 mm
Standard Deviation 1.13
The Primary Endpoint Was the Change in Marginal Bone Levels (in mm) From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
implant insertion to 3 months
-0.95 mm
Standard Deviation 1.03
-0.96 mm
Standard Deviation 1.15
-0.86 mm
Standard Deviation 0.99

SECONDARY outcome

Timeframe: baseline, 3 months, 6 months, 12 months, 24 months, 36 months and 60 months

Population: Intention to treat analysis.

An implant was reported to be a surviving implant when it remained in the jaw and was functionally loaded even if not all the individual success criteria were fulfilled (i) an implant that causes no allergic, toxic or gross infectious reactions either locally or systemically, ii) offered anchorage to a functional prosthesis, iii) showed no signs of fracture or bending, iv) showed no signs of peri-implant radiolucency on an intraoral radiograph using a paralleling technique strictly perpendicular to the implant-bone interface, and v) showed no mobility when individually tested by either tapping or rocking with a hand instrument).

Outcome measures

Outcome measures
Measure
NobelActive External
n=117 implants
NobelActive External implant NobelActive External implant
NobelActive Internal
n=82 implants
NobelActive Internal implant NobelActive Internal implant
NobelReplace Tapered Groovy
n=126 implants
NobelReplace Tapered Groovy implant NobelReplace Tapered Groovy implant
Implant Survival Rate From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
60 months
94.6 percentage of surviving implants
96.3 percentage of surviving implants
96.6 percentage of surviving implants
Implant Survival Rate From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
36 months
95.7 percentage of surviving implants
96.3 percentage of surviving implants
96.6 percentage of surviving implants
Implant Survival Rate From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
24 months
95.7 percentage of surviving implants
96.3 percentage of surviving implants
97.6 percentage of surviving implants
Implant Survival Rate From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
12 months
96.6 percentage of surviving implants
96.3 percentage of surviving implants
97.6 percentage of surviving implants
Implant Survival Rate From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
6 months
98.3 percentage of surviving implants
96.3 percentage of surviving implants
97.6 percentage of surviving implants
Implant Survival Rate From the Time of Implant Insertion to Follow-up Visits (3,6,12,24,36 and 60 Months).
3 months
98.3 percentage of surviving implants
97.6 percentage of surviving implants
98.4 percentage of surviving implants

Adverse Events

NobelActive External

Serious events: 2 serious events
Other events: 0 other events
Deaths: 0 deaths

NobelActive Internal

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

NobelReplace Tapered Groovy

Serious events: 3 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
NobelActive External
n=30 participants at risk
NobelActive External implant NobelActive External implant
NobelActive Internal
n=33 participants at risk
NobelActive Internal implant NobelActive Internal implant
NobelReplace Tapered Groovy
n=31 participants at risk
NobelReplace Tapered Groovy implant NobelReplace Tapered Groovy implant
Cardiac disorders
stroke
3.3%
1/30 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/33 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/31 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
Blood and lymphatic system disorders
Acute leukemia
0.00%
0/30 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/33 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
3.2%
1/31 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
Cardiac disorders
cardiac valve surgery
0.00%
0/30 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/33 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
3.2%
1/31 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
Surgical and medical procedures
Hypesthesia
0.00%
0/30 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/33 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
3.2%
1/31 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
Skin and subcutaneous tissue disorders
squamous cell cancer
0.00%
0/30 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
3.0%
1/33 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/31 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
Reproductive system and breast disorders
Breast cancer
3.3%
1/30 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
3.0%
1/33 • Number of events 1 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.
0.00%
0/31 • Adverse events were recorded during the duration of the study with the 5-year follow up.
From implant insertion to 5 years follow-up 31 patient was lost to follow-up in NobelActive External group, 31 patient was lost to follow-up in NobelActive Internal group and 29 patient was lost to follow-up in NobelReplace group.

Other adverse events

Adverse event data not reported

Additional Information

Head Clinical Trial Management

Nobel Biocare Services AG

Phone: +41 43 211 42 00

Results disclosure agreements

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