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Spine (Phila Pa 1976). 2003 Apr 15;28(8):750-3; discussion 753-4.

Tumor necrosis factor-alpha monoclonal antibody, infliximab, used to manage severe sciatica.

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Department of Physical Medicine and Rehabilitation, Oulu University Hospital, Finland.



An open-label study was conducted.


To evaluate the efficacy and safety of infliximab, a monoclonal chimeric antibody, against tumor necrosis factor-alpha (TNFalpha) for the treatment of severe sciatica.


Evidence from animal studies indicates that TNFalpha plays a role in the pathophysiology of sciatica. Anti-TNFalpha therapy has not been previously evaluated in sciatic patients.


In this study, 10 patients with disc herniation-induced severe sciatica received infliximab (Remicade 3 mg/kg) intravenously over 2 hours. The outcome was assessed at 1 hour, 1 week, 2 weeks, 1 month, and 3 months after the infusion and compared to historical control subjects consisting of 62 patients who received saline in a trial of periradicular infiltration for sciatica. Leg pain was the primary outcome, with more than a 75% decrease from the baseline score constituting a painless state. Fisher's exact test and repeated measures analysis of variance were used for statistical analysis.


At 1 hour after the infusion, leg pain had decreased by 50%. At 2 weeks, 60% of the patients in the infliximab group were painless, as compared with 16% of the control patients (P = 0.006). The difference was sustained at 3 months (90% vs 46%; P = 0.014). Infliximab was superior over the whole follow-up period in terms of leg pain (P = 0.003) and back-related disability (P = 0.004). At 1 month, every patient in the infliximab group had returned to work, whereas 38% of the control subjects still were on sick leave (P = 0.02). None of the patients treated with infliximab underwent surgery during the follow-up period. No immediate or delayed adverse drug reactions and no adverse effects related to medication were observed.


Anti-TNFalpha therapy is a promising treatment option for sciatica. There is an urgent need for a randomized controlled trial to evaluate whether thesepromising early results can be confirmed.

[Indexed for MEDLINE]

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