- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01510457
Milnacipran for Chronic Pain in Knee Osteoarthritis (KOA)
Milnacipran for the Pain, Sensory Sensitization and Mood Changes in Knee Osteoarthritis
Study Overview
Status
Intervention / Treatment
Detailed Description
If you are in this study, you will be placed in one of two study groups: one group will receive the study drug and one will receive a placebo. You will be assigned a study group by chance using a process similar to the flip of a coin.
At the first visit (week one) we will review and sign the informed consent, obtain your medical health history, and conduct a brief physical exam. You will also complete several questionnaires about your pain. You will be assessed for your eligibility to participate in this study. If you are eligible, we will conduct some physical and sensory tests and collect a blood sample. The physical tests include a stair climb, 6-minute treadmill test and a 1-minute sit to stand test. The sensory tests allow us to understand your perception of various stimuli such as vibration, light touch, pinprick, heat, cold, hot pain, and cold pain. At the end of the first visit you will be given an electronic diary to record your pain throughout the study. We will also ask you to wear a device in a T-shirt, similar to an accelerometer, that will be used to record your sleep quality and physical activity for 2 days.
At the second (week two) and third visits (week nine) you will be asked to complete the same questionnaires, physical and sensory tests as during the first visit. You will also have to wear the t-shirt with the device for 2 days after each visit.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Knee pain and osteophytes on radiographs OR
- Knee pain plus patient age of 40 years or older, morning stiffness lasting 30 minutes or less, and crepitus (cracking sound) during motion
- Experiences chronic pain for 6 months or longer
- Average pain rating of worse knee is equal to 4 or greater on a 0-10 scale
- If female, is not pregnant or breast feeding, and not currently attempting to conceive; if of childbearing potential, use of a highly effective method of birth control (as determined by Pl)
- Able to walk at least ½ a city block a day, and agrees to try and slowly increase that over the course of study
- Able to read and speak English and provide informed consent
- Able to understand and comply with all data collection methodology including electronic diary
- Subject agrees to 1) continue their stable drug regimen with no changes during the course of study, 2) only use Tylenol 325 mg of tablets (a maximum of 8 tablets a day) for breakthrough pain, and 3) not use Tylenol or any other pain medicines 12 hours before testing.
Exclusion Criteria:
- Subject takes SNRIs (Savella, Cymbalta, Venlafaxine) or other neuroamine re-uptake blockers for mood disorders
- Subject is allergic to SSRIs, SNRIs, or milnacipran
- Subject has severe or untreated psychiatric disturbance (e.g. mania, depression, anxiety, substance dependence)
- Subject is medicated with 'triptans, MAOIs, SSRIs, other SNRIs, tricyclic or heterocyclic antidepressants, lithium, epinephrine, norepinephrine, clonidine or digoxin during the trial
- Subject has a clinical diagnosis of fibromyalgia
- Subject has severe ongoing or unaddressed medical conditions (e.g. Renal or Hepatic disease [creatinine>1.5 ml/dl; AST or ALT> 3x normal limit], uncontrolled hypertension, severe cardiac rate or rhythm disorders, rheumatologic disease (e.g. polymyalgia rheumatica), narrow angle glaucoma, hyponatremia, clotting disorders, uncontrolled seizure disorder or urinary retention)
- Subject has cardiac implants
- Subject has a knee replacement
- Subject plans to start new pain treatments or therapies during the study (e.g. new pain medication, injections, PT, surgery)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Sugar Pill
BID placebo
|
Subjects will receive identical placebo pills and dosing schedule as that of participants receiving active study medication.
Other Names:
|
Experimental: Milnacipran
Uptitration from 10mg to 50mg BID Milnacipran
|
Total target dose of 200 mg/day.
Subjects will titrate-up according to the following schedule: 25 mg/d (2 pills, 2 days), 50mg mg/d (4 pills, 2 days), 100mg/d (2 pills, 3 days), 150 mg/d (3 pills, 4 days), and steady state is reached once the study participant ingests 200 mg/d(4 pills).
The steady state is maintained for 44 days (approx.
6 weeks).
If intolerable side effects occur, the dose may be reduced to last tolerable does, a minimum of 100 mg/day at the discretion of the PI.
Subjects unable to tolerate 100 mg/day will be discontinued from the study.
A 2-week down-titration will be used.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
McGill Pain Questionnaire - Short Form
Time Frame: Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
The MPQ-SF is a well-validated pain measure that permits separation of the sensory and affective components of pain, which are added together to compute a total score.
The scale ranges from 0-45 (0=no pain, 45=the most pain).
|
Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
PamSys Actigraph Data
Time Frame: 48 hours after visit 3
|
We used a body worn sensor (PAMSys™, Biosensics, LLC, MA)(25-27) embedded in a comfortable t-shirt at the sternal level.
Participants wore the PAMSys after the visit for 48 hours.
The device provides values related to subjects spontaneous physical activity including percentage of time standing and walking.
These variables provide different indexes of participants' level of activity and activity organization, and were reported by subjects with KOA pain as relevant.
|
48 hours after visit 3
|
Pain Anxiety Symptoms Scale (PASS)
Time Frame: Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
Anxiety scores were collected at least two data points.
The Pain Anxiety Symptoms Scale (PASS) is a scale from 0 - 100, where 0 = no anxiety and 100 = the most anxiety.
|
Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
Pain Disability Index (PDI)
Time Frame: Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
The PDI is a seven-item, validated instrument that assesses perceived disability in seven key life areas.
It provides a total disability score, and is an indirect measure of self efficacy.
The Pain Disability Scale is a scale from 0 - 70, where 0 = no Disability and 70 = the most Disability.
|
Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
Center for Epidemiological Studies Depression Scale CESD-10 (CES-D 10)
Time Frame: Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
The CES-D 10 is a 10-item questionnaire that has been validated for the assessment of depressive symptomatology.
The Depression Scale is a scale with a sum score from 0 - 30, where 0 = no Depression and 30 = the most Depression.
|
Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
Pain Visual Analogue Scale
Time Frame: Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
Pain Visual Analogue Scale from 0-100 (0= no pain, and 100= most pain).
|
Collected at 2 visits over 11 weeks: Visit 1 and Visit 3.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Daily Diary Entries With Pain, Fatigue and Functioning Scores Three Times a Day
Time Frame: electronic diary entries with pain, fatigue and functioning scores were completed three times a day during week 1 and week 11
|
Averages of daily diary outcomes were taken over the first and last week of the trial (week 1 and week 11) to compare pre and post treatment.
diary was filled out 3 times a day and asked subjects to rate pain at rest, pain when walking, and fatigue on a scale 0-10 (0=none, and 10=the worst)
|
electronic diary entries with pain, fatigue and functioning scores were completed three times a day during week 1 and week 11
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Norman Harden, MD, Center for Pain Studies, Rehabilitation Institute of Chicago
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
Additional Relevant MeSH Terms
- Pain
- Neurologic Manifestations
- Musculoskeletal Diseases
- Rheumatic Diseases
- Arthritis
- Osteoarthritis
- Osteoarthritis, Knee
- Chronic Pain
- Joint Diseases
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Analgesics, Non-Narcotic
- Psychotropic Drugs
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Antidepressive Agents
- Serotonin and Noradrenaline Reuptake Inhibitors
- Milnacipran
- Levomilnacipran
Other Study ID Numbers
- SAV-MD-23
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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