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CONTEXT Ziconotide (formerly SNX-111) selectively blocks N-type voltage-sensitive calcium channels and may be effective in patients with pain that is refractory to opioid therapy or those with intolerable opioid-related adverse effects. OBJECTIVE To assess the safety and efficacy of intrathecal ziconotide in patients with pain that is refractory to(More)
Objective.  The safety and efficacy of intrathecal (IT) ziconotide was studied in a randomized, double-blind, placebo-controlled trial. Materials and Methods.  Patients (169 ziconotide, 86 placebo) with severe chronic nonmalignant pain unresponsive to conventional therapy and a visual analog scale of pain intensity (VASPI score) ≥ 50 mm were treated over a(More)
Safety and efficacy data from a study of slow intrathecal (IT) ziconotide titration for the management of severe chronic pain are presented. Patients randomized to ziconotide (n = 112) or placebo (n = 108) started IT infusion at 0.1 microg/hour (2.4 microg/day), increasing gradually (0.05-0.1 microg/hour increments) over 3 weeks. The ziconotide mean dose at(More)
A set of permutations I ⊂ S n is said to be k-intersecting if any two permutations in I agree on at least k points. We show that for any k ∈ N, if n is sufficiently large depending on k, then the largest k-intersecting subsets of S n are cosets of stabilizers of k points, proving a conjecture of Deza and Frankl. We also prove a similar result concerning(More)