Safety, Tolerability, and Efficacy of IA Verapamil in the Treatment of Joint Pain in Subjects With Osteoarthritis of the Knee



Status:Recruiting
Conditions:Arthritis, Osteoarthritis (OA)
Therapuetic Areas:Rheumatology
Healthy:No
Age Range:Any
Updated:2/4/2013
Start Date:April 2012
Contact:Holly Rollins
Email:hrollins@healthdec.com

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CS-201: A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, and Efficacy of Intra-Articular Verapamil in the Treatment of JoinT Pain in Subjects With Osteoarthritis of the Knee


This is a randomized, double-blind, placebo-controlled, multi-center study to evaluate the
safety, tolerability, and efficacy of Intra-Articular (IA) verapamil in the treatment of
joint pain in patients with knee osteoarthritis (OA). Subjects will discontinue all
analgesic medications for the entire duration of the study, except for acetaminophen (taken
on an as needed basis at no more than 2 g/day). At visit 2, subjects who meet all entry
criteria will be randomized to receive a single injection of IA verapamil or IA placebo at a
ratio of 1:1. Treatments will be given with fluoroscopy or ultrasound to confirm needle
placement. Subjects will be monitored for blood pressure and heart rate (sitting and
standing) for at least 1 hour post-injection. Subjects will be evaluated at weeks 1, 2, 3,
4, 6, 8, and 12 after treatment.


Inclusion Criteria:

Subjects must meet all of the following inclusion criteria to participate in the study:

1. Be 35-75 years of age and in good general medical and psychological health.

2. Be able to speak, read, write, and understand English, understand the consent form,
complete study-related procedures, and communicate with the study staff.

3. Have OA of at least 1 knee (target knee) for at least 6 months and meet all the
following criteria:

- OA documented by standing X-rays anterior-posterior patella-femoral view taken
within 1 month of screening visit indicating Kellgren-Lawrence Grade 2 to
early-stage Grade 4 radiographic stage of the knee;

- Have pain associated with OA of the target knee for at least 25 of the last 30
days; c. Meet the American College of Rheumatology clinical classification
criteria, defined as having pain in the target knee and at least 3 of the
following 6 items:

- Age > 50;

- Morning stiffness <30 minutes;

- Crepitus on active motion;

- Bony tenderness;

- Bony enlargement;

- No palpable warmth of synovium.

4. Target knee does not have any type of orthopedic and/or prosthetic device.

5. Based on standard physical examination of the target knee, does not have any
neurovascular deficits, any skin abnormalities, any meniscal abnormalities, or any
ligament instability.

6. At treatment visit 2 prior to randomization, have a score of at least 20 on the WOMAC
pain subscale (questions 1-5) for the target knee and an in-clinic average pain
intensity score of at least 4/10 on the 0-10 NRS for the 24-hour recall.

7. Be willing to maintain any present stable treatment modalities (e.g., acupuncture or
physical therapy) and be willing to refrain from initiating any new treatment
modalities.

8. Be willing to stop taking nonsteroidal anti-inflammatory drugs (NSAIDs) and opioids
for the duration of the study.

9. If female of child-bearing potential (ie, not medically or surgically sterilized or
not post-menopausal more than 1 year) or fertile male with sexual partner of
childbearing potential, be willing to use adequate and reliable contraception
throughout the study (eg, abstinence or barrier with additional spermicidal foam or
jelly, or the use of intrauterine device or hormonal contraception by female subjects
and partners of male subjects).

10. Not be enrolled in any other clinical trial and not have used any investigational
drug within 1 month.

Exclusion Criteria:

Subjects who meet any of the following criteria will not be eligible to participate:

1. Have a Kellgren-Lawrence Grade 1 radiographic stage of the knee or have
Kellgren-Lawrence Grade 4 radiographic end stage of the knee with bone on bone, ie,
less than 2 mm joint space.

2. Be a candidate for knee replacement within next 6 months.

3. Have a body mass index > 35 kg/m2.

4. Have a Hospital Anxiety and Depression Scale score >12 on either subscale or have an
established history of major depressive disorder not controlled with medication.

5. Have, in the Investigator's opinion, clinically significant abnormalities in clinical
laboratory tests (hematology, clinical labs, urinalysis).

6. Have a positive urine drug test for illegal drug substances at screening.

7. Have, in the Investigator's opinion, clinically significant abnormalities in
electrocardiogram readings

8. If a female of childbearing potential, have a positive pregnancy test at screening.

9. Have significant pain outside the target knee, including significant hip or back pain
(bilateral knee OA will be allowed as long as target knee pain can be distinguished
from contralateral knee pain and contralateral knee does not require treatment).

10. Have pain affecting the target knee that is due to any etiology other than OA.

11. Have documented history of inflammatory arthritis, including rheumatoid arthritis.

12. Have a meniscal tear in the target knee.

13. Have had viscosupplementation with hyaluronic acid products within 6 months prior to
screening.

14. Have failed to respond to prior treatment with viscosupplementation with hyaluronic
acid products.

15. Have had IA corticosteroid injections within 12 weeks or intramuscular or oral
steroids within 4 weeks prior to screening.

16. Have had surgery of the target knee within 6 months prior to screening.

17. Have used opioids 4 or more days per week during in the past month prior to
screening.

18. Are allergic to, or intolerant of, acetaminophen.

19. Have used verapamil within the past 4 weeks or are allergic or intolerant to
verapamil.
We found this trial at
8
sites
1156 Bowman Road
Mt Pleasant, South Carolina 29464
843-856-3784
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1010 Carondelet Drive
Kaw, Missouri 64114
816-943-0770
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Birmingham, Alabama 35235
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Chicago, Illinois 60611
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Durham, North Carolina 27704
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St. Louis, Missouri 63141
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Tucson, Arizona 85713
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