PMID- 16716870 OWN - NLM STAT- MEDLINE DCOM- 20060731 LR - 20220408 IS - 0885-3924 (Print) IS - 0885-3924 (Linking) VI - 31 IP - 5 DP - 2006 May TI - A randomized, double-blind, placebo-controlled study of intrathecal ziconotide in adults with severe chronic pain. PG - 393-406 AB - 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 termination was 0.29 microg/hour (6.96 microg/day). Patients' baseline Visual Analogue Scale of Pain Intensity (VASPI) score was 80.7 (SD 15). Statistical significance was noted for VASPI mean percentage improvement, baseline to Week 3 (ziconotide [14.7%] vs. placebo [7.2%; P = 0.036]) and many of the secondary efficacy outcomes measures. Significant adverse events (AEs) reported in the ziconotide group were dizziness, confusion, ataxia, abnormal gait, and memory impairment. Discontinuation rates for AEs and serious AEs were comparable for both groups. Slow titration of ziconotide, a nonopioid analgesic, to a low maximum dose resulted in significant improvement in pain and was better tolerated than in two previous controlled trials that used a faster titration to a higher mean dose. FAU - Rauck, Richard L AU - Rauck RL AD - Wake Forest University School of Medicine, The Center for Clinical Research, Carolinas Pain Institute, Winston-Salem, North Carolina 27103, USA. RRauck@ccrpain.com FAU - Wallace, Mark S AU - Wallace MS FAU - Leong, Michael S AU - Leong MS FAU - Minehart, Michael AU - Minehart M FAU - Webster, Lynn R AU - Webster LR FAU - Charapata, Steven G AU - Charapata SG FAU - Abraham, Jacob E AU - Abraham JE FAU - Buffington, Daniel E AU - Buffington DE FAU - Ellis, David AU - Ellis D FAU - Kartzinel, Ronald AU - Kartzinel R CN - Ziconotide 301 Study Group LA - eng PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - United States TA - J Pain Symptom Manage JT - Journal of pain and symptom management JID - 8605836 RN - 0 (Analgesics, Non-Narcotic) RN - 0 (Placebos) RN - 0 (omega-Conotoxins) RN - 7I64C51O16 (ziconotide) SB - IM MH - Adult MH - Aged MH - Analgesics, Non-Narcotic/*administration & dosage/adverse effects MH - Chronic Disease MH - Double-Blind Method MH - Female MH - Humans MH - Injections, Spinal MH - Male MH - Middle Aged MH - Pain/*drug therapy MH - Placebos MH - omega-Conotoxins/*administration & dosage/adverse effects EDAT- 2006/05/24 09:00 MHDA- 2006/08/01 09:00 CRDT- 2006/05/24 09:00 PHST- 2005/10/24 00:00 [accepted] PHST- 2006/05/24 09:00 [pubmed] PHST- 2006/08/01 09:00 [medline] PHST- 2006/05/24 09:00 [entrez] AID - S0885-3924(06)00187-4 [pii] AID - 10.1016/j.jpainsymman.2005.10.003 [doi] PST - ppublish SO - J Pain Symptom Manage. 2006 May;31(5):393-406. doi: 10.1016/j.jpainsymman.2005.10.003.