- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01207453
Milnacipran in the Treatment of Widespread, Non-Joint Pain in Rheumatoid Arthritis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Despite the development of effective medications to treat inflammation, pain remains a priority for rheumatoid arthritis (RA) patients. The pain that persists despite anti-inflammatory treatment is usually widespread and non-articular; it may lead to diminished quality of life and high medical, psychological and social costs. To develop better treatments for pain and prevent disability, it is critical to obtain a better understanding of widespread, non-joint pain in RA.
Milnacipran is a selective serotonin-norepinephrine reuptake inhibitor (SNRI). No studies have examined the effect of SNRIs on pain in RA. However, several studies have examined the role of SNRIs in fibromyalgia and related pain conditions. Treatment with milnacipran has been associated with improvements in clinical pain severity in Phase 2 and Phase 3 randomized placebo-controlled trials of fibromyalgia patients. In animal models, milnacipran appears to moderate the pain-inducing effects of inflammation and central sensitization. Thus milnacipran may be an ideal drug to treat pain in RA.
A clinical trial of an SNRI in the treatment of widespread, non-joint pain in RA will provide more information regarding pain mechanisms and may lead to more targeted, effective ways of treating pain in RA.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Massachusetts
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Boston, Massachusetts, United States, 02115
- Brigham and Women's Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 24 years or older
- Primary diagnosis of rheumatoid arthritis from a board-certified rheumatologist
- Willing to maintain stable doses of concurrent non-steroidal anti-inflammatory drugs or other acceptable medications or therapies for the duration of the study
- Brief Pain Inventory Average Pain >= 4 at the screening visit
- Widespread Pain Index >= 5 at the screening visit
- Able to give informed consent
Exclusion Criteria:
- Diagnosis of primary fibromyalgia
- Diagnosis of cold sensitive conditions such as Raynaud's syndrome, cryoglobulinemia and paroxysmal cold hemoglobinuria
- Diagnosis of psychotic disorders, such as schizophrenia, schizoaffective disorder, delusional disorder and shared psychotic disorder
- Patients being treated with SSRIs, MAO inhibitors or tricyclic, tetracyclic or atypical antidepressants for pain may participate in this study if they are washed off these medications before study entry. Patients currently receiving therapy with SSRIs or tricyclic, tetracyclic or atypical antidepressants for depression may be washed off these medications before study entry pending permission of the prescribing physician and if they have never received a diagnosis of major depressive disorder or had a history of suicidal ideation.
- Patients on thioridazine or MAO inhibitors
- Patients taking codeine or other opioids/opiates. Patients who are taking medications such as pregabalin (Lyrica) and gabapentin (Neurontin) for pain may be enrolled in this study.
- Known hypersensitivity to milnacipran
- Patients with a significant risk of suicide as assessed by the Beck depression inventory form
- Patients with a history of suicide
- Pregnant or breast-feeding women
- Patients with an actively pending worker's compensation claim or auto no-fault claim; patients with current worker's compensation, auto no-fault compensation, or litigation; or any patient with significant secondary gain issues per discretion of the researchers.
- Patients with myocardial infarction within the past 12 months, active cardiac disease (chest pain or evidence of ischemia on stress test), acute congestive heart failure requiring hospitalization in the past 12 months, clinically significant cardiac rhythm or conduction abnormalities requiring hospitalization in the past 12 months
Patients with severe liver impairment (AST or ALT > 3 times the upper limit of normal)
- For patients 2-3 times the upper limit of normal, we will obtain enrollment permission from the patient's hepatologist and monitor values at each study visit. If values increase above 3 times the upper limit of normal, the patient will be discontinued from the study.
- For patients 1-2 times the upper limit of normal, we will obtain enrollment permission from the patient's physician and monitor per request of the physician.
- Patients with severe or end stage renal disease, defined as a GFR < 15 ml/min or on dialysis
- Patients with a recent (≤ 12 months) history of seizures.
- Patients with uncontrolled narrow-angle glaucoma.
- Patients who have been treated with an experimental agent within the last three months.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Milnacipran then placebo
This arm of the study will contain half the study population after randomization.
The participants in this arm will receive milnacipran for 6 weeks.
They will undergo a one-week taper and a two week washout period and then crossover to a placebo for 6 weeks.
|
Milnacipran comes in 50 mg tablets and is taken orally.
Participants will gradually be increased to a target dose of 50 mg twice daily.
Other Names:
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Other: Placebo then milnacipran
This arm of the study will contain half the study population after randomization.
The participants in this arm will receive placebo for 6 weeks.
They will undergo a one-week "taper" and a two week "washout" period and then crossover to milnacipran for 6 weeks.
|
Milnacipran comes in 50 mg tablets and is taken orally.
Participants will gradually be increased to a target dose of 50 mg twice daily.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Brief Pain Inventory (BPI) Change
Time Frame: Baseline to 6 weeks
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A measure of change in scores on the BPI short form, a "24-hr average pain" item, from baseline to 6 weeks, The BPI short form scores ranges from 0-10, with 10 being the worst pain.
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Baseline to 6 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Conditioned Pain Modulation (CPM)
Time Frame: Baseline to 6 weeks
|
CPM is defined as the difference between pain threshold A (measured after a conditioning stimulus activates pathways that inhibit pain) and pain threshold B (measured before the conditioning stimulus is applied).
The conditioning stimulus was immersion of the hand in a cold water bath.
Pressure pain threshold was assessed at the trapezius muscle initially.
Subjects were then instructed to immerse their hand in a water bath for 30 seconds.
At 20 seconds, pressure pain threshold at the trapezius was assessed again.
We defined the magnitude of subjects' CPM as the difference in pressure pain threshold between baseline and 20 seconds after cold water immersion.
This difference was compared to that measured at 6 weeks.
The scale for the difference in CPM ranged from 0-11 kg/cm^2, with 0 indicating no change in CPM between 6 weeks and baseline and 11 indicating the maximum possible change.
A greater change in CPM between baseline and 6 weeks is indicative of improvements in CPM.
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Baseline to 6 weeks
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Symptom Intensity Scale (SIS)
Time Frame: Baseline to 6 weeks
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A measure of the change in SIS score from baseline to 6 weeks.
The SIS score ranges from 0-9.75, with high scores being worse indicating more widespread pain and fatigue.
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Baseline to 6 weeks
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Thumbnail Pain Threshold
Time Frame: Baseline to 6 weeks
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A measure of the change in thumbnail pain threshold from baseline to 6 weeks.
Thumbnail pain threshold was determined by applying pressure to a subjectt's thumbnail until the subject felt pain.
The difference between the average thumbnail pain threshold (an average for the right and left thumbs) at baseline was compared to that at 6 months.
Pain threshold was measured in kg/cm^2.
The difference in threshold could range from 0-11 kg/cm^2.
A higher difference between thresholds indicates improved pain sensitivity.
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Baseline to 6 weeks
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Trapezius Pain Threshold
Time Frame: Baseline to 6 weeks
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A measure of the change in trapezius pain threshold from baseline to 6 weeks.
Trapezius pain threshold was determined by applying pressure to a subject's trapezius muscle until the subject felt pain.
The difference between the average trapezius pain threshold (an average for the right and left trapezii) at baseline was compared to that at 6 months.
Pain threshold was measured in kg/cm^2.
The difference in threshold could range from 0-11 kg/cm^2.
A higher difference between thresholds indicates improved pain sensitivity.
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Baseline to 6 weeks
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Wrist Pain Threshold
Time Frame: Baseline to 6 weeks
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A measure of the change in wrist pain threshold from baseline to 6 weeks.
Wrist pain threshold was determined by applying pressure to a subject's wrist until the subject felt pain.
The difference between the average wrist pain threshold (an average for the right and left wrists) at baseline was compared to that at 6 months.
Pain threshold was measured in kg/cm^2.
The difference in threshold could range from 0-11 kg/cm^2.
A higher difference between thresholds indicates improved pain sensitivity.
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Baseline to 6 weeks
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Knee Pain Threshold
Time Frame: Baseline to 6 weeks
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A measure of the change in knee pain threshold from baseline to 6 weeks.
Knee pain threshold was determined by applying pressure to a subject's knee until the subject felt pain.
The difference between the average knee pain threshold (an average for the right and left knees) at baseline was compared to that at 6 months.
Pain threshold was measured in kg/cm^2.
The difference in threshold could range from 0-11 kg/cm^2.
A higher difference between thresholds indicates improved pain sensitivity.
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Baseline to 6 weeks
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Yvonne C Lee, MD, MMSc, Brigham and Women's Hospital
Publications and helpful links
General Publications
- Lee YC, Chibnik LB, Lu B, Wasan AD, Edwards RR, Fossel AH, Helfgott SM, Solomon DH, Clauw DJ, Karlson EW. The relationship between disease activity, sleep, psychiatric distress and pain sensitivity in rheumatoid arthritis: a cross-sectional study. Arthritis Res Ther. 2009;11(5):R160. doi: 10.1186/ar2842. Epub 2009 Oct 29.
- Lee YC, Massarotti E, Edwards RR, Lu B, Liu C, Lo Y, Wohlfahrt A, Kim ND, Clauw DJ, Solomon DH. Effect of Milnacipran on Pain in Patients with Rheumatoid Arthritis with Widespread Pain: A Randomized Blinded Crossover Trial. J Rheumatol. 2016 Jan;43(1):38-45. doi: 10.3899/jrheum.150550. Epub 2015 Dec 1.
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
- Immune System Diseases
- Autoimmune Diseases
- Joint Diseases
- Musculoskeletal Diseases
- Rheumatic Diseases
- Connective Tissue Diseases
- Arthritis
- Arthritis, Rheumatoid
- 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-16
- K23AR057578 (U.S. NIH Grant/Contract)
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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