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Intrathecal Drug Delivery

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https://www.readbyqxmd.com/read/28063958/prevention-of-chronic-post-thoracotomy-pain-in-rats-by-intrathecal-resolvin-d1-and-d2-effectiveness-of-perioperative-and-delayed-drug-delivery
#1
Jeffery Chi-Fei Wang, Gary R Strichartz
: Thoracotomy results in a high frequency of chronic post-operative pain. Resolvins are endogenous molecules, synthesized and released by activated immune cells, effective against inflammatory and neuropathic pain. Different resolvins have differential actions on selective neuronal and glial receptors and enzymes. This paper examines the ability of intrathecal Resolvin D1 (RvD1) and Resolvin D2 (RvD2) to reduce chronic post-thoracotomy pain in rats. Thoracotomy, involving intercostal incision and rib retraction, resulted in a decrease in the mechanical force threshold to induce nocifensive behavior, an enlargement of the pain-sensitive area, and an increase in the fraction of rats showing nocifensive behavior, all for at least 5 weeks...
January 4, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28042914/the-polyanalgesic-consensus-conference-pacc-recommendations-for-intrathecal-drug-delivery-guidance-for-improving-safety-and-mitigating-risks
#2
REVIEW
Timothy R Deer, Jason E Pope, Salim Hayek, Tim J Lamer, Iler Elias Veizi, Michael Erdek, Mark S Wallace, Jay S Grider, Robert M Levy, Joshua Prager, Steven M Rosen, Michael Saulino, Tony L Yaksh, Jose A De Andrés, David Abejon Gonzalez, Jan Vesper, Stefan Schu, Brian Simpson, Nagy Mekhail
INTRODUCTION: Intrathecal therapy is an important part of the pain treatment algorithm for chronic disease states. The use of this option is a viable treatment strategy, but it is inherent for pain physicians to understand risk assessment and mitigation. In this manuscript, we explore evidence and mitigating strategies to improve safety with intrathecal therapy. METHODS: A robust literature search was performed covering January 2011 to October 9, 2016, in PubMed, Embase, MEDLINE, Biomed Central, Google Scholar, Current Contents Connect, and International Pharmaceutical Abstracts...
January 2, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042906/the-polyanalgesic-consensus-conference-pacc-recommendations-for-trialing-of-intrathecal-drug-delivery-infusion-therapy
#3
REVIEW
Timothy R Deer, Salim Hayek, Jason E Pope, Tim J Lamer, Maged Hamza, Jay S Grider, Steven M Rosen, Samir Narouze, Christophe Perruchoud, Simon Thomson, Marc Russo, Eric Grigsby, Daniel M Doleys, Marilyn S Jacobs, Michael Saulino, Paul Christo, Philip Kim, Elliot Marc Huntoon, Elliot Krames, Nagy Mekhail
INTRODUCTION: Intrathecal (IT) drug infusion is an appropriate and necessary tool in the algorithm to treat refractory cancer and noncancer pain. The decision-making steps/methodology for selecting appropriate patients for implanted targeted drug delivery systems is controversial and complicated. Therefore, a consensus on best practices for determining appropriate use of IT drug infusion may involve testing/trialing this therapy before implantation. METHODS: This current Polyanalgesic Consensus Conference (PACC) update was designed to address the deficiencies and emerging innovations since the previous PACC convened in 2012...
January 2, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042904/the-polyanalgesic-consensus-conference-pacc-recommendations-on-intrathecal-drug-infusion-systems-best-practices-and-guidelines
#4
REVIEW
Timothy R Deer, Jason E Pope, Salim Hayek, Anjum Bux, Eric Buchser, Sam Eldabe, Jose A De Andrés, Michael Erdek, Dennis Patin, Jay S Grider, Daniel M Doleys, Marilyn S Jacobs, Tony L Yaksh, Lawrence Poree, Mark S Wallace, Joshua Prager, Richard Rauck, Oscar DeLeon, Sudhir Diwan, Steven M Falowski, Helena M Gazelka, Philip Kim, Michael Leong, Robert M Levy, Gladstone McDowell Ii, Porter McRoberts, Ramana Naidu, Samir Narouze, Christophe Perruchoud, Steven M Rosen, William S Rosenberg, Michael Saulino, Peter Staats, Lisa J Stearns, Dean Willis, Elliot Krames, Marc Huntoon, Nagy Mekhail
INTRODUCTION: Pain treatment is best performed when a patient-centric, safety-based philosophy is used to determine an algorithmic process to guide care. Since 2007, the International Neuromodulation Society has organized a group of experts to evaluate evidence and create a Polyanalgesic Consensus Conference (PACC) to guide practice. METHODS: The current PACC update was designed to address the deficiencies and innovations emerging since the previous PACC publication of 2012...
January 2, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/27980323/intrathecal-analgesic-drug-delivery-is-effective-for-analgesia-in-a-patient-with-post-poliomyelitis-syndrome-a-case-report
#5
Cornelis W J van Tilburg
BACKGROUND Post-poliomyelitis syndrome (PPS) is a progressive neuromuscular syndrome, with chronic pain being one of the most prevalent symptoms. We present a case report on intrathecal analgesic drug delivery to diminish chro-nic, refractory pain in a patient with PPS. CASE REPORT In a wheelchair-bound 45-year-old female patient (Caucasian, body mass index [BMI] 20.5) with severe chronic, refractory pain, a Synchromed® II pump (Medtronic, Minneapolis, Minnesota, USA) was implanted after multidisciplinary consultation and a successful trial period...
December 16, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27977023/direct-long-term-intrathecal-application-of-therapeutics-to-the-rodent-cns
#6
Benjamin V Ineichen, Lisa Schnell, Miriam Gullo, Julia Kaiser, Marc P Schneider, Alice C Mosberger, Nicolas Good, Michael Linnebank, Martin E Schwab
Systemic application of therapeutics to the CNS tissue often results in subtherapeutic drug levels, because of restricted and selective penetration through the blood-brain barrier (BBB). Here, we give a detailed description of a standardized technique for intrathecal drug delivery in rodents, analogous to the technique used in humans. The intrathecal drug delivery method bypasses the BBB and thereby offers key advantages over oral or intravenous administration, such as maximized local drug doses with minimal systemic side effects...
January 2017: Nature Protocols
https://www.readbyqxmd.com/read/27941483/perioperative-management-of-a-patient-with-an-intrathecal-drug-delivery-device-infusing-ziconotide
#7
Sephalie Patel, Osama Hafez, Wade J Sexton, David A Edwards
Intrathecal ziconotide is used for the treatment of chronic pain and is delivered by an implanted drug delivery device. Anesthesiologists should be familiar with the perioperative management of the pump as well as the potential adverse events related to continued ziconotide infusion during general anesthesia. A case is presented demonstrating the perioperative management of an intrathecal drug delivery device infusing ziconotide in a patient presenting for radical cystectomy with pelvic lymphadenectomy and ileal conduit diversion...
December 9, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/27771111/ziconotide-intrathecal-delivery-as-treatment-for-secondary-therapeutic-failure-of-motor-cortex-stimulation-after-6%C3%A2-years
#8
J Voirin, I Darie, D Fischer, A Simon, I Rohmer-Heitz, F Proust
INTRODUCTION: Motor cortex stimulation is a well-known treatment modality for refractory neuropathic pain. Nevertheless, some cases of therapeutic failure have been described but alternative therapies for these cases are rarely reported. CASE REPORT: The patient presented with neuropathic pain in his right arm due to a cervical syrinx which was surgically treated by a shunt in 2003 with no clinical improvement. As alternative therapy, after an evaluation by repetitive magnetic transcranial stimulation with significant benefit, motor cortex stimulation was successfully implanted in 2004...
October 2016: Neuro-Chirurgie
https://www.readbyqxmd.com/read/27744221/local-delivery-of-minocycline-from-metal-ion-assisted-self-assembled-complexes-promotes-neuroprotection-and-functional-recovery-after-spinal-cord-injury
#9
Zhicheng Wang, Jia Nong, Robert B Shultz, Zhiling Zhang, Taegyo Kim, Veronica J Tom, Ravi K Ponnappan, Yinghui Zhong
Many mechanisms contribute to the secondary injury cascades following traumatic spinal cord injury (SCI). However, most current treatment strategies only target one or a few elements in the injury cascades, and have been largely unsuccessful in clinical trials. Minocycline hydrochloride (MH) is a clinically available antibiotic and anti-inflammatory drug that has been shown to target a broad range of secondary injury mechanisms via its anti-inflammatory, anti-oxidant, and anti-apoptotic properties. However, MH is only neuroprotective at high concentrations...
January 2017: Biomaterials
https://www.readbyqxmd.com/read/27730704/intrathecal-drug-delivery-systems-idds-the-implantable-systems-performance-registry-ispr
#10
Peter E Konrad, John M Huffman, Lisa M Stearns, Robert J Plunkett, Eric J Grigsby, E K Stromberg, Mollie P Roediger, Michelle D Wells, Todd W Weaver
OBJECTIVES: The ISPR was initially created to monitor the product performance of Medtronic implanted intrathecal drug infusion and spinal cord systems available in the United States. MATERIALS AND METHODS: Data were collected from 50 representative sites implanting and following patients with intrathecal drug delivery systems across the United States between August 7, 2003 and January 31, 2014. Device performance over time was estimated using life table survival methods...
December 2016: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/27717635/dose-response-of-intrathecal-morphine-when-administered-with-intravenous-ketorolac-for-post-cesarean-analgesia-a-two-center-prospective-randomized-blinded-trial
#11
J S Berger, A Gonzalez, A Hopkins, T Alshaeri, D Jeon, S Wang, R L Amdur, R Smiley
BACKGROUND: The appropriate dose of intrathecal morphine for post-cesarean analgesia is unclear. With the inclusion of routine non-steroidal anti-inflammatory drugs, the required dose of morphine may be significantly less than the 200-300μg common a decade ago. We performed a two-center, prospective, randomized, blinded trial comparing three doses of intrathecal morphine, combined with routine intravenous ketorolac, in 144 healthy women undergoing elective cesarean delivery. METHODS: Patients received an intrathecal injection of hyperbaric bupivacaine 12mg, fentanyl 15μg and a randomized dose of 50, 100, or 150μg morphine in a volume of 2...
December 2016: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/27699254/dynamic-dual-isotope-molecular-imaging-elucidates-principles-for-optimizing-intrathecal-drug-delivery
#12
Daniel A Wolf, Jacob Y Hesterman, Jenna M Sullivan, Kelly D Orcutt, Matthew D Silva, Merryl Lobo, Tyler Wellman, Jack Hoppin, Ajay Verma
The intrathecal (IT) dosing route offers a seemingly obvious solution for delivering drugs directly to the central nervous system. However, gaps in understanding drug molecule behavior within the anatomically and kinetically unique environment of the mammalian IT space have impeded the establishment of pharmacokinetic principles for optimizing regional drug exposure along the neuraxis. Here, we have utilized high-resolution single-photon emission tomography with X-ray computed tomography to study the behavior of multiple molecular imaging tracers following an IT bolus injection, with supporting histology, autoradiography, block-face tomography, and MRI...
February 25, 2016: JCI Insight
https://www.readbyqxmd.com/read/27651513/comparison-of-the-effects-of-intermittent-boluses-to-simple-continuous-infusion-on-patients-global-perceived-effect-in-intrathecal-therapy-for-pain-a-randomized-double-blind-crossover-study
#13
Sam Eldabe, Rui V Duarte, Grace Madzinga, Alan M Batterham, Morag E Brookes, Ashish P Gulve, Christophe Perruchoud, Jon H Raphael, David Lorenzana, Eric Buchser
OBJECTIVE:  Intrathecal drug delivery (ITDD) is commonly used for intractable pain management. A paucity of good-quality studies in chronic noncancer patients and concerns over increased dosages have focused interest on different modes of administration. The aim of this international multicenter randomized double-blind crossover trial was to compare the efficacy of the same daily dose of drugs administered by intermittent boluses vs simple continuous infusion. METHODS:  Eligible patients implanted with a programmable ITDD device were randomized to receive two weeks of either intermittent boluses or a simple continuous flow in period 1, followed by a crossover to the alternative mode of administration...
September 19, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27641087/nine-year-audit-of-post-dural-puncture-headache-in-a-tertiary-obstetric-hospital-in-singapore
#14
J C Tien, M J Lim, W L Leong, E Lew
BACKGROUND: The KK Women's and Children's Hospital is a tertiary obstetric unit with approximately 11000 deliveries per year. Epidural analgesia is used in about 40% of laboring women. We reviewed the incidence and management of post-dural puncture headache over a nine-year period. METHODS: A retrospective audit of labor epidural analgesia database records from 1 June 2005 to 31 May 2014 was conducted, identifying an "event" as an accidental dural puncture, an inadvertent intrathecal catheter insertion and/or development of a post-dural puncture headache...
December 2016: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/27615997/controlled-release-ibuprofen-poloxamer-gel-for-epidural-use-a-pharmacokinetic-study-using-microdialysis-in-pigs
#15
Anne Paavola, Christopher M Bernards, Per H Rosenberg
In order to avoid the risks of sideeffects of epidural local anesthetics and opioids, the use of nonsteroidal anti-inflammatory drugs (NSAIDs) epidurally would be an interesting option of analgesic therapy. The fairly short duration of action of spinally administered NSAIDs, e.g., ibuprofen, may be prolonged by using controlled release poloxamer gel formulation. Using a microdialysis technique we studied the epidural and intrathecal pharmacokinetics of ibuprofen after its epidural administration as a poloxamer 407 formulation or a solution formulation...
November 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27597897/treatment-of-refractory-postdural-puncture-headache-after-intrathecal-drug-delivery-system-implantation-with-epidural-blood-patch-procedures-a-20-year-experience
#16
Markus A Bendel, Susan M Moeschler, Wenchun Qu, Eugerie Hanley, Stephanie A Neuman, Jason S Eldrige, Bryan C Hoelzer
A recent publication reported the incidence of postdural puncture headache (PDPH) in conjunction with intrathecal drug delivery system (IDDS) implantation to be nearly 23 percent. Many patients responded to conservative measures but a percentage needed invasive treatment with an epidural blood patch (EBP). There is limited data to describe the technical details, success rates, and complications associated with EBP in this population. This study aims to provide a retrospective report of EBP for patients suffering from PDPH related to IDDS implantation...
2016: Pain Research and Treatment
https://www.readbyqxmd.com/read/27559836/comprehensive-systematic-review-of-long-term-opioids-in-women-with-chronic-noncancer-pain-and-associated-reproductive-dysfunction-hypothalamic-pituitary-gonadal-axis-disruption
#17
Emily Wersocki, John Bedson, Ying Chen, Linda LeResche, Kate M Dunn
A comprehensive systematic literature review of reproductive side effects in women aged 18 to 55 years treated with opioids for 1 month or longer for chronic noncancer pain. A search of 7 databases including EMBASE and Medline was undertaken (October 2014 and a limited rerun April 2016). The search contained key words for opioids (generic and specific drug names) and side effects (generic and specific reproductive). Titles were screened using predefined criteria by a single reviewer and abstracts and full texts by 2 independent reviewers...
January 2017: Pain
https://www.readbyqxmd.com/read/27551415/intrathecal-drug-delivery-for-the-management-of-pain-and-spasticity-in-adults-an-executive-summary-of-the-british-pain-society-s-recommendations-for-best-clinical-practice
#18
Rui Duarte, Jon Raphael, Sam Eldabe
This article provides a summary of the updated British Pain Society Guidance on Intrathecal Drug Delivery for the management of pain and spasticity in adults. We aim to highlight the areas of the guidance that have been updated and to provide a concise summary.
May 2016: British Journal of Pain
https://www.readbyqxmd.com/read/27550951/surgical-site-infections-in-cancer-patients-with-intrathecal-drug-delivery-devices
#19
Maura M Scanlon, Halena M Gazelka, Susan M Moeschler, Bryan C Hoelzer, W Michael Hooten, Markus A Bendel, Tim J Lamer
OBJECTIVES:  Our purpose was to determine the incidence of surgical site infection (SSI) in cancer patients receiving an intrathecal drug delivery system (IDDS) and compare that rate with the incidence of SSI in the general population receiving an IDDS or spinal cord stimulator. We attempted to describe risk factors for SSIs in cancer patients treated with IDDS in terms of exposure to cancer treatments. DESIGN:  Retrospective review. SETTING:  Large tertiary care center...
August 22, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/27536708/neurofilament-light-in-csf-and-serum-is-a-sensitive-marker-for-axonal-white-matter-injury-in-ms
#20
Joakim Bergman, Ann Dring, Henrik Zetterberg, Kaj Blennow, Niklas Norgren, Jonathan Gilthorpe, Tommy Bergenheim, Anders Svenningsson
OBJECTIVE: In an ongoing, open-label, phase 1b study on the intrathecal administration of rituximab for progressive multiple sclerosis, an intraventricular catheter was inserted for drug delivery. The objective of this study was to characterize the limited white matter axonal injury evoked by catheter insertion by analyzing a panel of markers for tissue damage in CSF and serum. METHODS: Lumbar CSF and serum were collected before catheter insertion and at regular intervals during the follow-up period of 1 year...
October 2016: Neurology® Neuroimmunology & Neuroinflammation
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