- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01210183
Biological Response of Stage IV Knee Osteoarthritis to Serial 12.5% Dextrose
Biological Response of Stage IV Knee Osteoarthritis to Serial 12.5% Dextrose Injections Without Weight Bearing Restriction: A Double Arthroscopic Assessment
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Historical, compliance, examination,anesthetic injection, radiographic and arthroscopic screening will be completed. One month after arthroscopy completion, the intervention phase will begin.
INTERVENTION
- Injection of 12.5% dextrose at 0, 1 and 2 months.
- Stand up without using only the non-injected leg for 3 days after each injection.
- Avoid running and squatting as feasible.
- Ensure that the injected knee descends stairs first ascends stairs last for 3 days.
- May take Acetaminophen.
- No NSAIDS for 2 days before and 10 days after a treatment. PRN NSAIDs only.
- No glucosamine or chondroitin should be taken.
SECOND ARTHROSCOPY TIMING
- A minimum of 4 months after first arthroscopy, when schedulable.
- After a minimum of 3 monthly injections of dextrose 12.5% .
METHOD OF ARTHROSCOPY
- Only the medial compartment will be entered to minimize trauma.
- Methylene blue will be applied and allowed to remain in knee for 5 minutes prior to flush.
- A standardized method video scan of the medial femoral compartment will be conducted.
- At second arthroscopy, the area of heaviest cartilage growth, if any, in the base of the Out-IV lesion will be biopsied with a Jamshidi needle at a 45 degree angle. (Limited by the optics of single port entry ).
- Biopsy, if taken, will be sent for decortication to enable specimen to be cut, safranin O application to determine proteoglycan production, polarized light to differentiate fibrous from hyaline cartilage, and immunohistologic straining for Type I and Type Ii cartilage.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
-
-
Santa Fe
-
Rosario, Santa Fe, Argentina
- Hospital Provincial de Rosario
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Weight ≤ 90 kilos.
- Available for clinic any day.
- Agreeable to keep coming if pain stops.
- More than one phone number.(close relative ok)
- Willing to wait 6 months prior to considering a TKA.
- Good strength in arms to help stand.
- Knee flexion more than 100 degrees.
- 90% reduction of standing, walking and sitting pain 5 minutes after intraarticular injection of 9 ml of 0.25% dextrose.
- XRay repeat with camera at knee height confirms bone on bone status in the medial compartment.
Exclusion Criteria:
- No dementia.
- No radiating back pain.
- No systemic inflammatory conditions.
- No history of knee fracture or infection.
- No cancer history.
- No blood thinners.
- No daily narcotic.
- No walking limitation from another cause.
- Repetitive squatting or stair use on job.
- Inability to use one arm to help come to stand.
- Painful hip ROM or imitative of patient's pain.
- Knee extension lacking more than 15 degrees on each side.
- Any degree of valgus.
- Varus of 20 degree or more.
- A painful Baker's cyst.
- Visible bone shift when walking
- Meniscal tear seen on arthroscopy that could block motion and needs trimming.
- Significant loose bodies seen on arthroscopy.
- Severe synovitis seen on arthroscopy.
- More than 1 outerbridge lesion in the medial compartment of the femur.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: Single
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quality of cartilage growth
Time Frame: 0 to 3 months
|
A Jamshidi needle biopsy will be obtained at 45 degrees in the area of maximum cartilage growth and analyzed for quality/type of cartilage if such growth is seen.
|
0 to 3 months
|
Number of sections of medial condyle with loss, no change or growth of cartilage.
Time Frame: 7.5 month mean
|
Arthroscopy of all 9 sections of the medial condyle for each of 6 knees will be viewed by each of 3 arthroscopers who will render their opinion for each section. They will compare sections from 1st and 2nd arthroscopy side by side, and will be asked to indicate loss of cartilage no change or growth of cartilage for each of sections on each of 6 knees. Still photos of the biopsy study site wiThe photo of the Out IV lesion will be analyzed in a blinded fashion for a visual or computerized assessment of the percentage of lesion size covered by cartilage buds. |
7.5 month mean
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Walking pain
Time Frame: 0 to 3 years
|
Subjects will be asked to estimate their walking pain on a 10 point scale over the preceding 2 weeks.
|
0 to 3 years
|
Flexion range of motion
Time Frame: 0 to 3 months
|
The total flexion range of motion of the knee will be measured goniometrically.
|
0 to 3 months
|
WOMAC
Time Frame: 7.5 Months
|
WOMAC will be administered at time 0 and at time of the 2nd arthroscopy.
|
7.5 Months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Gaston A Topol, M.D., Hospital Provincial de Rosario
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- ProvingCartilageGrowth
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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