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Neuropathic Pain | Pregabalin for the Treatment and Prevention of Spinal Cord Injury Neuropathic Pain

Neuropathic Pain research study

What is the primary objective of this study?

This study is a phase IV clinical trial with the objective of evaluating whether pain relief associated with pregabalin for at-level non-evoked and evoked neuropathic pain is more efficient during the early rather than late subacute phase of spinal cord injury.

Who is eligible to participate?

Inclusion Criteria: - Comprehension of clinical trial and signed informed consent before initiation. - Male or female adults, age 18 to 70. - Clinical history of neuropathic pain secondary to SCI - Patients with an AIS of A, B, C or D according to the American Spinal Cord Injury Association (ASIA) Impairment Scale. - Persistent neuropathic pain from 1 month up to 6 months after spinal cord injury. - Non-evoked at-level pain with ≥ 2 intensity measured with the numerical rating scale (0-10). - Non-evoked/evoked at-level pain corresponding to the area of sensory alteration, and within the three dermatomes below the neurological level of the spinal cord injury. - Formal acceptance of disponibility for all programmed clinical trial visits and other protocol requisites. - Females of child bearing age must demonstrate a negative pregnancy test (performed on screening and subsequent follow up visits) and use a reliable birth control method including abstinence of sexual activity throughout the duration of the study and for at last 28 days after termination of the clinical trial. Exclusion Criteria: - Previous or actual use of gabapentin. - Creatinine clearance level <60 ml/min. - Neuropathic pain unrelated to spinal cord injury. - Lactose intolerance, Lapp lactase insufficiency or glucose malabsorption - Platelet count < 100x103/µl. - White blood cell count <2.5 x103/µl. - Neutrophil count <1.5 x103/µl. - Planned surgery during the clinical trial. - Patients with peripheral neuropathic pain. - Previous history of malignant melanoma. - History of malignant tumors, except for in situ uterine cervix carcinoma, in situ basocellular or spinocellular cutaneous carcinomas, superficial bladder tumors (Ta and Tis) with a complete treatment response up to 10 years. Patients with history of lymphoma or breast cancer will be allowed to participate in the trial if a complete treatment response has been observed up to 20 years. - Chronic or active infection requiring a systemic therapy, chronic kidney infections, chronic lung infections with bronchiectasias, Mycobacterium tuberculosis infection, active Hepatitis B or C. Diagnosis of latent TB confection should be performed according to the local guidelines. - Severe heart diseases such as unstable angina, cardiopathy during the first 6 months after a myocardial infarction, grade III or IV of the New York Heart Association scale for congestive heart failure. - Unknown kidney, liver, gastrointestinal, endocrine, lung, hematological, neurological or psychiatric comorbidities. - Subjects administered with an experimental or non-commercial drug during the 4 weeks prior to the trial. - Patients participating in other clinical studies. - Patients that are not competent for completing required tasks (eg. alcohol or drug related problems or psychiatric disorders). - Subjects unable to be examined with radiological MRI exploration due to contraindications. - Pregnancy or breastfeeding. - Any other patient condition that is deemed unsuitable for subject inclusion in the trial according to the research team.

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Neuropathic Pain

Spinal Cord Injuries

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:PregabalinPregabalin Alpha2-delta calcium channel blocker. 150mg BID p.o.

Drug:Placebo150mg BID p.o.

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

PlaceboStudy subjects wil be randomized to the Placebo arm following a stratification procedure based on AIS scale (A-E), neurological level of injury (cervical or thoracic), and presence of at-level neuropathic pain before or after 3 months from the time of spinal cord injury.

PregabalinStudy subjects wil be randomized to the Pregabalin arm following a stratification procedure based on AIS scale (A-E), neurological level of injury (cervical or thoracic), and presence of at-level neuropathic pain before or after 3 months from the time of spinal cord injury.

Study Status

Unknown status

Start Date: December 2011

Completed Date: October 2014

Phase: Phase 4

Type: Interventional

Design:

Primary Outcome: Daily at-level non-evoked pain intensity measured with the numerical rating scale (0-10) expressed as the mean 7-day pain intensity

Secondary Outcome: Weekly below-level non-evoked pain intensity measured with the numerical rating scale (0-10)

Study sponsors, principal investigator, and references

Principal Investigator:

Lead Sponsor: Julian Taylor Green

Collaborator:

More information:https://clinicaltrials.gov/show/NCT01479556

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