Spinal Cord Injuries Clinical Trial
Official title:
Quality of Life, Efficacy and Safety of High Doses of 4-aminopyridine in Patients With Clinically Complete Chronic Spinal Cord Injury: Multicenter, Randomized, Double Blind, Placebo Controlled Clinical Trial
150 patients with clinically complete chronic spinal cord Injury will be included in a randomized, parallel, placebo controlled, multi-centric, phase III trial. Patients will be evaluated before starting the medication, and at the end of the treatment in the locomotor, sensory, grade of independence, sensitivity and control of bladder and anal sphincters, quality of life, and psychogenic erection in males. Patients will be divided randomly into two groups where one will receive placebo and the other one 4-Aminopyridine (4-AP) in a maximum of 30 weeks in increasing doses.
Consecutive patients with chronic AIS A tetraplegic or paraplegic with an MRI showing cord continuity will be recruited in the departments of neurology, neurosurgery or rehabilitation from hospitals of Social Security Mexican Institute (IMSS) in 8 states . Just patients who meeting inclusion criteria, will be selected for the study until reach 150. After signing an informed consent, they will be randomized into 75 for the intervention arm and 75 for the placebo arm. All patients will receive capsules for daily consumption according to their assignment. They will receive ascending doses of the drug starting with 10 milligrams and progressively increasing every 2 to 4 weeks 10 mg until reaching the maximum dose proposed according to weight (maximum 1 mg/kg/d). Questionnaires and functional evaluations will be administered at the beginning of the study, and at the end of the treatment to evaluate the efficacy. The evaluations include the International Standards for Neurological Classification of Spinal Cord Injury motor and sensory Scale, the Spinal Cord Injury Independence Measure (SCIM III), quality of life (SF-36), sphincter bladder/anal sensation/control in both genders and psychogenic erection in males as primary outcomes. After the follow-up period, all test results will be analyzed and compared to determine the efficacy and safety of 4-aminopyridine. The Mann-Whitney U and Chi-square test will be used for statistical analysis. ;
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