{"id":3830,"date":"2023-12-05T08:30:22","date_gmt":"2023-12-04T21:30:22","guid":{"rendered":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/cbd-not-recommended-for-pain-again-the-placebo-works\/"},"modified":"2025-11-12T21:00:27","modified_gmt":"2025-11-12T10:00:27","slug":"cbd-not-recommended-for-pain-again-the-placebo-works","status":"publish","type":"post","link":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/cbd-not-recommended-for-pain-again-the-placebo-works\/","title":{"rendered":"CBD Not Recommended for Pain \u2013 Again (The placebo works)"},"content":{"rendered":"<p><strong><em>Oral cannabidiol (CBD) as add-on to paracetamol for painful chronic osteoarthritis of the knee: a randomized, double-blind, placebo-controlled clinical trial.<\/em><\/strong><\/p>\n<p><a href=\"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-content\/uploads\/2023\/12\/2023_CBD_plus_Tylenol.pdf\" target=\"_blank\">View PDF<\/a><\/p>\n<p><strong>Background:&nbsp;<\/strong>Painful&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/knee-osteoarthritis\">knee osteoarthritis<\/a>&nbsp;(KOA) is common, pharmacological&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/therapeutic-procedure\" target=\"_blank\" rel=\"noopener\">treatment<\/a>, however, is often hampered by limited tolerability.&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/cannabidiol\" target=\"_blank\" rel=\"noopener\">Cannabidiol<\/a>, which preclinically showed anti-inflammatory,&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/analgesic-activity\" target=\"_blank\" rel=\"noopener\">analgesic activity<\/a>, could supplement established&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/anodyne\" target=\"_blank\" rel=\"noopener\">analgesics<\/a>, but robust&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/clinical-trial\">clinical trials<\/a>&nbsp;are lacking. The aim of our study was to investigate the effects of oral high-dose CBD administered over 8 weeks on pain, function and patient global assessment as an add-on to continued&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/paracetamol\" target=\"_blank\" rel=\"noopener\">paracetamol<\/a>&nbsp;in chronic symptomatic KOA.<\/p>\n<p><strong>Methods:&nbsp;<\/strong>Prospective, randomized, placebo-controlled, double-blind, parallel-group study. Single center, Outpatient Clinic, Department of Special Anaesthesia and Pain Therapy at Medical University of Vienna, Austria. Eligibility criteria included: age: 18\u201398 years; painful KOA; score \u22655 on the pain subscale of the Western Ontario and McMasters Universities&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/osteoarthritis\" target=\"_blank\" rel=\"noopener\">Osteoarthritis<\/a>&nbsp;(WOMAC) Index; KOA confirmed by imaging. Participants were on continued dosage of paracetamol 3&nbsp;g\/d and randomly assigned by web-based software 1:1 to oral cannabidiol 600&nbsp;mg\/d (n&nbsp;=&nbsp;43) or placebo (n&nbsp;=&nbsp;43). Study period: 8 weeks. Primary outcome: Change in&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/western-ontario-and-mcmaster-universities-osteoarthritis-index\" target=\"_blank\" rel=\"noopener\">WOMAC<\/a>&nbsp;pain subscale scores (0&nbsp;=&nbsp;no pain, 10&nbsp;=&nbsp;worst possible pain) from baseline to week 8 of treatment. Trial Registration:&nbsp;<a href=\"https:\/\/clinicaltrials.gov\/\" target=\"_blank\" rel=\"noopener\">ClinicalTrials.gov<\/a>&nbsp;Identifier:&nbsp;<a href=\"https:\/\/clinicaltrials.gov\/show\/NCT04607603\" target=\"_blank\" rel=\"noopener\">NCT04607603<\/a>. Trial is completed.<\/p>\n<p><strong>Interpretation:&nbsp;<\/strong>In KOA patients, oral high-dose add-on cannabidiol had no additional analgesic effect compared to adding placebo to continued paracetamol. Our results do not support the use of cannabidiol as an analgesic supplement in KOA<\/p>\n<p><strong>(Source:&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2666776223001965\"><\/a><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2666776223001965\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2666776223001965<\/a><\/strong><strong>&nbsp;)<\/strong><\/p>\n<p><strong>Also see&nbsp;<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/dalgarnoinstitute.org.au\/index.php\/resources\/cannabis-conundrum\/1910-cannabis-pain-media-hype-the-placebo-reality\" target=\"_blank\" rel=\"noopener\">Cannabis &amp; Pain \u2013 Media Hype &amp; the&nbsp;Placebo&nbsp;Reality?<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/dalgarnoinstitute.org.au\/iindex.php\/resources\/cannabis-as-medicine\/2115-cannabis-and-cannabinoids-for-pain-and-posttraumatic-stress-disorder-in-military-personnel-and-veterans-the-cannabis-placebo-factor-in-play-agai\" target=\"_blank\" rel=\"noopener\">Cannabis and Cannabinoids for Pain and Posttraumatic Stress Disorder in Military Personnel and Veterans&nbsp;(The Cannabis&nbsp;Placebo&nbsp;Factor<\/a><\/strong><strong>)<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Oral cannabidiol (CBD) as add-on to paracetamol for painful chronic osteoarthritis of the knee: a randomized, double-blind, placebo-controlled clinical trial. View PDF Background:&nbsp;Painful&nbsp;knee osteoarthritis&nbsp;(KOA) is common, pharmacological&nbsp;treatment, however, is often hampered by limited tolerability.&nbsp;Cannabidiol, which preclinically showed anti-inflammatory,&nbsp;analgesic activity, could supplement established&nbsp;analgesics, but robust&nbsp;clinical trials&nbsp;are lacking. The aim of our study was to investigate the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":"","_wp_rev_ctl_limit":""},"categories":[15],"tags":[77],"class_list":["post-3830","post","type-post","status-publish","format-standard","hentry","category-cannabis-as-medicine","tag-cannabis-as-medicine"],"_links":{"self":[{"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/posts\/3830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/comments?post=3830"}],"version-history":[{"count":0,"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/posts\/3830\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/media?parent=3830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/categories?post=3830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dalgarnoinstitute.org.au\/wp_site\/wp-json\/wp\/v2\/tags?post=3830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}