The Prevention of Delirium and Complications Associated With Surgical Treatments Multi Center Clinical Trial

Summary

Delirium is a medical term or condition that includes a temporary inability to focus attention and to think clearly. Delirium occurs commonly (10% to 70%) in patients older than 60 undergoing large surgeries. The purpose of this study is to test rigorously whether a drug called ketamine can decrease the chance that patients will experience delirium after their surgery. The investigators are also testing whether ketamine decreases postoperative pain, postoperative opioid consumption, postoperative nausea and vomiting, ICU and hospital length of stay, and adverse outcomes (e.g. hallucinations and nightmares).

Timeline

Start

2014-02-01

Primary completion

2016-06-26

Completion

2017-07

Outcome

Missed primary endpoint

paper 19·45% vs 19·82%, respectively; absolute difference 0·36%, 95% CI -6·07 to 7·38, p=0·92). PMID 28576285 ↗

Publications

• Background Avidan MS, Fritz BA, Maybrier HR, Muench MR, Escallier KE, Chen Y, Ben Abdallah A, Veselis RA, Hudetz JA, Pagel PS, Noh G, Pryor K, Kaiser H, Arya VK, Pong R, Jacobsohn E, Grocott HP, Choi S, Downey RJ, Inouye SK, Mashour GA. The Prevention of Delirium and Complications Associated with Surgical Treatments (PODCAST) study: protocol for an international multicentre randomised controlled trial. BMJ Open. 2014 Sep 17;4(9):e005651. doi: 10.1136/bmjopen-2014-005651.
• Results Avidan MS, Maybrier HR, Abdallah AB, Jacobsohn E, Vlisides PE, Pryor KO, Veselis RA, Grocott HP, Emmert DA, Rogers EM, Downey RJ, Yulico H, Noh GJ, Lee YH, Waszynski CM, Arya VK, Pagel PS, Hudetz JA, Muench MR, Fritz BA, Waberski W, Inouye SK, Mashour GA; PODCAST Research Group. Intraoperative ketamine for prevention of postoperative delirium or pain after major surgery in older adults: an international, multicentre, double-blind, randomised clinical trial. Lancet. 2017 Jul 15;390(10091):267-275. doi: 10.1016/S0140-6736(17)31467-8. Epub 2017 May 30.
• Vlisides PE, Thompson A, Kunkler BS, Maybrier HR, Avidan MS, Mashour GA; PODCAST Research Group. Perioperative Epidural Use and Risk of Delirium in Surgical Patients: A Secondary Analysis of the PODCAST Trial. Anesth Analg. 2019 May;128(5):944-952. doi: 10.1213/ANE.0000000000004038.
• Mashour GA, Ben Abdallah A, Pryor KO, El-Gabalawy R, Vlisides PE, Jacobsohn E, Lenze E, Maybrier HR, Veselis RA, Avidan MS; PODCAST Research Group. Intraoperative ketamine for prevention of depressive symptoms after major surgery in older adults: an international, multicentre, double-blind, randomised clinical trial. Br J Anaesth. 2018 Nov;121(5):1075-1083. doi: 10.1016/j.bja.2018.03.030. Epub 2018 Sep 19.

Drugs

Indications