Extremity Injury Clinical Trial
— War WoundedOfficial title:
Investigator Initiated Trial- Management of Chronic Pain in Military Patients With Injuries Sustained During Active Duty. Comparison of Spinal Cord Stimulation and Comprehensive Medical Management
Verified date | June 2012 |
Source | Sceptor Pain Foundation |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Institutional Review Board |
Study type | Interventional |
The purpose of this study is to determine the degree to which spinal cord stimulation added to comprehensive medical management can provide increased relief of chronic pain in patients with injuries sustained while on active military duty, measured by patient assessments of pain.
Status | Recruiting |
Enrollment | 180 |
Est. completion date | December 2013 |
Est. primary completion date | December 2013 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Subject is a veteran or active duty service member injured while on active military duty receiving care for pain related to the injury(ies) in the Department of Defense health care system or through the Department of Veteran's Affairs. - Subject is 18 years of age or older. - The elapsed time since the active-duty injury leading to chronic pain is not less than 3 months. - Subject reports constant or daily episodes of injury-related pain of at least moderate severity, graded 4 or higher on an 11-point NPRS (point estimate by subject and Investigator at time of enrolment based on overall pain or pain at a specific site). Pain may be nociceptive, neuropathic, or mixed. Phantom pain associated with amputation of an extremity or extremities is allowed. - Attempts to control pain with commercially available systemic analgesics have not provided adequate relief, in the judgment of the managing physician and subject. - Subject is able to localize site(s) of pain. At least one site of daily pain contributing to moderate severity (Inclusion Criterion 4) and intractability (Inclusion Criterion 5) must be in an extremity, or phantom pain at the site of an amputated extremity. If the extremity site of pain is not an amputated limb, then the pain must have a neuropathic component. This site is identified as the site of Target Pain (TP) for efficacy evaluations during the trial. - Subject is an acceptable candidate for surgical placement of an indwelling spinal cord stimulation device. - Subject is judged an appropriate candidate for treatment using the available techniques and interventions encompassed within the protocol's definition of comprehensive medical management. - For the duration of the trial, subject is willing to limit interventions for control of chronic pain to those approved by the Investigator. - The subject is judged psychologically appropriate for either treatment intervention, based on the impression of an interviewing psychologist or psychiatrist. - Subject provides informed consent. Exclusion Criteria: - Subject experiences phantom pain associated with amputation of both an upper and lower extremity. - Subject has headache or visceral truncal pain or other non-musculoskeletal pain as the only pain that results in constant or daily scores of =4 on the 11-point NPRS. - Subject has spinal disease that would, in the judgment of the investigator, - Subject has ongoing chronic infection or a medical condition associated with an unacceptably increased risk of infection related to device implantation. - Subject has a current diagnosis or history of psychosis, cognitive impairment, hallucinations, or unexplained loss of consciousness, whether or not related to a combat injury that, in the opinion of the investigator, would exclude the patient from participating in the trial. - Subject has a cardiac pacemaker. - Subject has any significant medical or psychiatric condition that would interfere with the conduct of the study or with the outcome measures. - Subject is pregnant or is breast feeding. - Subject has participated in any drug or device trial in the past 30 days. - Subject has any planned elective or semi-elective surgery during the 6 months of the Primary Treatment Phase, including stump revisions or grafting. - Subject has a psychological condition of great enough severity that it would unacceptably increase the medical risks associated with implantation and care of the devices required for the treatment on the CMM + SCS arm, or would likely interfere with the subject's ability to sustain participation in a research study of long duration. Investigators are encouraged to include the medical monitor and the coordinating investigator in discussions about individual candidate subjects who have psychological diagnoses as part of the polytrauma syndrome before enrollment or treatment on this protocol. |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | Center for Clinical Research | Winston Salem | North Carolina |
Lead Sponsor | Collaborator |
---|---|
Sceptor Pain Foundation | Boston Scientific Corporation |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in pain score | Change from Baseline to Week 24 in weekly mean of average daily pain scores at the target site of pain (target pain, TP), based on an 11-point Numerical Pain Rating Scale (NPRS), by treatment group. | 144 weeks | No |
Secondary | change in related pain | Change from Baseline to Week 24 and Week 144 in subjects' experiences related to pain, using the Pain Outcomes Questionnaire for Veterans Affairs (Intake and Discharge; POQ-VA), by treatment group. | 144 weeks | No |
Secondary | change in mean daily pain score | Change from Baseline to Week 24 in weekly mean of average daily pain scores for overall pain (OP), based on an 11-point Numerical Pain Rating Scale (NPRS), by treatment group. | 144 weeks | No |
Secondary | change in mean pain per treatment group | Change from Baseline to Week 1, Week 4, Week 8, Week 12, Week 16, Week 20, Week 36, Week 48, Week 72, Week 96, Week 120, and Week 144 in weekly mean of average daily pain scores for TP and OP, based on the 11-point NPRS, by treatment group. | 144 weeks | No |
Secondary | change in MPQ per treatment group | Change from Baseline to Week 24, Week 48, Week 96, and Week 144 in pain evaluation, measured by the McGill Pain Questionnaire (MPQ), by treatment group. | 144 weeks | No |
Secondary | change in spine related pain | Change from Baseline to Week 24, Week 48, Week 96, and Week 144 in spine-related pain, measured by the Modified Oswestry Pain Questionnaire, by treatment group. | 144 weeks | No |
Secondary | change in neuropathic pain | Change from Baseline to Week 24, Week 48, Week 96, and Week 144 in neuropathic pain, measured by the Neuropathic Pain Scale (NPS), by treatment group | 144 weeks | No |
Secondary | analgesic efficacy | Overall analgesic efficacy, measured by Investigator and Subject using categorical global scores of change at Week 24 and Week 144 (GIC-I, GIC-S), by treatment group. | 144 weeks | No |
Secondary | pain relief using a categorical scale | Assessment of pain relief, measured by the Subject using a categorical 5-point scale (None =0, A Little =1, Some =2, A Lot =3, or Complete =4) at Week 24 and Week 144, by treatment group | 144 weeks | No |
Secondary | change in mood | Change from Baseline to Week 24, Week 48, Week 96, and Week 144 in patient mood, measured by the Profile of Mood Survey (POMS), by treatment group. | 144 weeks | No |
Secondary | change in emotional status | Change from Baseline to Week 24, Week 48, Week 72, and Week 144 in patient emotional status (mood), measured by the Beck Depression | 144 weeks | No |
Secondary | change in anxiety | Change from Baseline to Week 24, Week 48, Week 72, and Week 144 in patient anxiety, measured by the Impact of Events - Revised (IES-R) scale and by the Post Traumatic Stress Disorder Checklist (PCL), by treatment group. | 144 weeks | No |
Secondary | change in quality of life | Change from Baseline to Week 24, Week 48, Week 96, and Week 144 in quality of life, measured by the SF-36 Health Survey, by treatment group. | 144 weeks | No |
Secondary | effectiveness of intervention | Overall effectiveness of intervention as measured by number (%) of subjects who withdraw prior to Week 24, prior to Week 48, prior to Week 96, and prior to Week 144, due to lack of efficacy. | 144 weeks | No |
Secondary | Functional effectiveness of intervention | Functional effectiveness of intervention as measured by number (%) of subjects who return to duty (active duty subjects) or return to employment (subjects treated as veterans) at Week 24, Week 48, Week 96, and Week 144. | 144 weeks | No |
Secondary | Functional effectiveness of interventions via activity scores | Functional effectiveness of interventions as measured by daily mean and peak activity scores and numbers of days with sedentary or moderate activity levels based on data downloads from the 3-D accelerometer at Baseline, during the 2-week interval prior to Week 12, and for the 2-week intervals preceding visits at Week 24, Week 48, Week 96, and Week 144. | 144 weeks | No |
Secondary | change in sleep | Change in Chronic Pain Sleep Inventory (CPSI), Baseline to Week 24, Week 48, Week 96, and Week 144, by treatment group. | 144 weeks | No |
Secondary | urine drug tests | Number (percentage) and change from Baseline in number (percentage) of subjects with non-adherence to the prescribed analgesic drug regimen (detection of non-prescribed medication/metabolite or non-detection of prescribed medication/metabolite) on urine drug tests (UDT), at Baseline, Week 6, Week 12, and Week 24. | Baseline, week 6, week 12, week 24 | No |
Secondary | Effect of demographic characteristics | Effect of demographic characteristics, combat exposure (measured by the combat exposure scale administered at Baseline), elapsed time since injury, site of injury, and type of injury (blast injury, penetrating wound, burn, amputation, combat versus non-combat, other) on the effectiveness of intervention measured by the subject reports of pain and pain relief, overall effectiveness scores, and efficacy scales, by treatment group. | 144 weeks | No |
Secondary | predictive value of the change in NPRS average pain scores | For subjects assigned to Arm A (CMM + SCS), the predictive value of the change in NPRS average pain scores (both TP and OP) from Baseline to the pre-implantation trial week for the scores observed at Week 24, Week 48, Week 96, and Week 144. | Week 24, Week 48, Week 96, and Week 144 | No |
Secondary | Analgesic benefit | Analgesic benefit of crossover to the non-assigned treatment arm, measured in subjects who change from the assigned arm to the alternative arm before Week 24, using the efficacy assessments recorded prior to crossover (removal or implantation of the SCS device), summarized as LOCF values at Week 24, with efficacy assessments during the weeks following the crossover event, counted as if the crossover event initiated (re-started) the Primary Treatment Phase. | 144 weeks | No |
Secondary | Safety and tolerability of analgesic interventions | Safety and tolerability of analgesic interventions, measured by spontaneously reported adverse events, serious adverse events, and adverse events leading to early withdrawal, by treatment group. | 144 weeks | Yes |
Secondary | Tolerability of analgesic interventions | Tolerability of analgesic interventions as measured by total number of hospital days experienced by the subject, including hospital days required for study-related interventions and hospital days resulting from adverse events and in-patient management of pain. | 144 weeks | Yes |
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