Trial Outcomes & Findings for Study of an Expandable Interbody Device for the Lumbar Spine (NCT NCT02075554)
NCT ID: NCT02075554
Last Updated: 2021-02-03
Results Overview
Inter-vertebral disc height in millimetres at 24 month follow up.
COMPLETED
NA
58 participants
24 months
2021-02-03
Participant Flow
The protocol was approved to enroll 60 patients but only 58 patients were enrolled.
Participant milestones
| Measure |
CALIBER
1 or 2 levels of Degenerative Disc Disease between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Overall Study
STARTED
|
58
|
|
Overall Study
COMPLETED
|
43
|
|
Overall Study
NOT COMPLETED
|
15
|
Reasons for withdrawal
| Measure |
CALIBER
1 or 2 levels of Degenerative Disc Disease between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Overall Study
Lost to Follow-up
|
7
|
|
Overall Study
Withdrawal by Subject
|
5
|
|
Overall Study
Physician Decision
|
3
|
Baseline Characteristics
Study of an Expandable Interbody Device for the Lumbar Spine
Baseline characteristics by cohort
| Measure |
CALIBER
n=43 Participants
1 or 2 levels of DDD between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Age, Categorical
<=18 years
|
0 Participants
n=5 Participants
|
|
Age, Categorical
Between 18 and 65 years
|
31 Participants
n=5 Participants
|
|
Age, Categorical
>=65 years
|
12 Participants
n=5 Participants
|
|
Age, Continuous
|
54 years
n=5 Participants
|
|
Sex: Female, Male
Female
|
31 Participants
n=5 Participants
|
|
Sex: Female, Male
Male
|
12 Participants
n=5 Participants
|
|
Region of Enrollment
United States
|
43 participants
n=5 Participants
|
PRIMARY outcome
Timeframe: 24 monthsPopulation: Not all patients had x ray images to measure at 24 month follow up. A total of 33 surgical levels were measured from 29 patients.
Inter-vertebral disc height in millimetres at 24 month follow up.
Outcome measures
| Measure |
CALIBER
n=33 Surgical Levels
1 or 2 levels of DDD between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Fusion and Disc Height Maintenance
|
11.60 millimetres
Interval 8.62 to 15.6
|
PRIMARY outcome
Timeframe: 24 monthsPopulation: Only 29 patients were available for fusion assessment at 24 months, for a total of 33 surgical levels.
An assessment of the fusion status of surgically treated spinal levels.
Outcome measures
| Measure |
CALIBER
n=33 Surgical Levels
1 or 2 levels of DDD between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Fusion Assessment
|
33 Surgical Levels
|
SECONDARY outcome
Timeframe: Upto 24 moPopulation: Not all patients completed the Oswestry Disability Index questionnaire at 24 month follow up, leaving 38 responses.
Oswestry Disability Index. A 10 item questionnaire with responses scored 0 to 5 and then presented as a percentage score from 0 to 100, with higher scores denoting more disability.
Outcome measures
| Measure |
CALIBER
n=38 Participants
1 or 2 levels of DDD between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Patient Self Assessment
|
18.79 scores on a scale
Interval 0.0 to 66.0
|
SECONDARY outcome
Timeframe: 24 monthsPopulation: 38 patients completed the question at 24 month follow up
A visual scale from 0 to 100 in which the patient responds with their pain level by marking on the line, higher as more severe pain.
Outcome measures
| Measure |
CALIBER
n=38 Participants
1 or 2 levels of DDD between L2 and S1, treated with transforaminal interbody fusion
CALIBER: Expandable interbody spacer
|
|---|---|
|
Visual Analog Scale for Back Pain
|
10.71 score on a scale out of 100
Interval 0.0 to 78.0
|
Adverse Events
CALIBER
Serious adverse events
Adverse event data not reported
Other adverse events
Adverse event data not reported
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee PI may release for publication with Sponsor's prior approval.
- Publication restrictions are in place
Restriction type: OTHER