| Summary: | Objective: To review the literature on equianalgesic efficacy and better safety(less respiratory depression and gastrointestinal dysfunction) of oliceridine versus opioid analgesic in moderate to severe postoperative pain.
Methodology: A comprehensive literature search was conducted in PubMed (January 2021 to March 2021) using keywords as ‘oliceridine’, ‘ligand biased mu receptor agonist’, ‘acute postoperative pain’, ‘conventional opioids’ and ‘morphine’. All English language full text pre-clinical and clinical research articles were searched. In addition, other data source was from ClinicalTrial. Gov.
Data Synthesis: Oliceridine is a novel selective µ (mu)-receptor G-protein pathway modulator. G protein biased mu receptor agonists are a new class of opioids exhibiting analgesic properties at par to morphine with less respiratory depressant properties. Oliceridine a first-in-class intravenous (IV) analgesic has received the US FDA approval in August 2020, for management of moderate to severe acute pain in adults. The drug can be administered in cases where the pain is severe enough to require an intravenous opioid and when alternative treatments become inadequate. Oliceridine is an opioid agonist with a rapid onset of action within two to five minutes, was administered via clinician-administered bolus dosing, patient-controlled analgesia (PCA), or a combination of the two. Bolus dosing was initiated at 1 to 2 mg, with supplemental doses of 1 to 3 mg every one to three hours, as needed, based on individual patient need and previous response to oliceridine in management of acute post-operative pain. If oliceridine was administered via PCA, the loading dose was 1.5 mg, the demand dose was 0.5 mg, and the lockout interval (repeat dose)was six minutes. The clinically relevant concentration range of 0 to 35 ng/ml. It is indicated for short-term use only & limited to hospitals or other controlled clinical settings. Oliceridine requires no dosage adjustments in patients with renal impairment as well as in patient with significant medical complications. Therefore, opioids that bias towards G-protein and away from β arrestin signaling should produce analgesia with reduced side effects.
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