Fentanyl

“patients whose labor analgesia is maintained using PIEB with low-volume bolus (6.25 mL) of a higher local anesthetic concentration solution (0.1% bupivacaine with fentanyl 2.0...” NCT03553576 ↗

“After the surgery: 10 ml 0.25% bupivacaine through epidural catheters before extubation and continuous infusion of 0,1% bupivacaine and 1 µg/ml fentanyl 5 ml/h with...” NCT02622893 ↗

“Participants will be induced using lidocaine 1 mg/kg IV, an opioid such a fentanyl (1-2 mcg/kg) IV, followed by 0.6 mg/kg IV rocuronium, and IV propofol with dosage at the...” NCT06029049 ↗

“The parturients were randomly assigned to groups receiving either spinal sufentanil (5 µg), epidural sufentanil (20 µg), spinal fentanyl (20 µg) or epidural fentanyl (100 µg),...” PMID 31286476 ↗ Jul 2019

“Preservative free 0.5% Hyperbaric bupivacaine (AstraZeneca) 5mg + 25mcg fentanyl for the initial dose will be followed by top up doses of 2.5 mg boluses of 0.5% Hyperbaric...” NCT05897151 ↗

“Maintenance of anesthesia will be achieved by isoflurane at an end tidal concentration of 1-1.5% in FiO2 of 0.5, intravenous fentanyl at a dose of 1 µg/kg in incremental...” NCT06873906 ↗

“Intraoperative analgesia will be ensured by administering fentanyl 0.5-1 µg/kg as needed, based on clinical signs of inadequate analgesia (e.g., an increase in blood pressure...” NCT07207304 ↗

“Intraoperatively, fentanyl in fractional doses of 1-3 µg∙kg-1 were applied if the heart rate (HR; Heart Rate) or mean blood pressure (MBP; Mean Blood Pressure) increased by...” NCT04355468 ↗

“The administered anesthetic mixture will include a fixed dose of fentanyl (15 μg), a variable dose of ropivacaine based on the parturient's somatometric characteristics, and a...” NCT07023497 ↗

“The patient will be sedated with a combination of midazolam, fentanyl administered intravenously in small boluses until the desired level of sedation is achieved as expressed...” NCT03546088 ↗

“1-3 mg IV propofol 0.5 mg/kg IV Rocuronium + Fentanyl 2-3 mcg/kg + Morphine 0.1mg/kg IV Maintenance: Volatile anesthetic + High volume local anesthesia infiltration Bupivacaine...” NCT03176758 ↗

“BioDelivery Sciences International, Inc. (BDSI) has developed BioErodible MucoAdhesive (BEMA) Fentanyl, an alternative product to OTFC that does not require the subject to...” NCT00293033 ↗

“Induction of anesthesia will be the same for all patients and consist of intravenous anesthetic propofol (2-3 mg/kg), opioid analgesic fentanyl (1-1.5 mcg/kg), and muscle...” NCT05958589 ↗

“This study evaluated the long-term effectiveness and tolerability of sublingual fentanyl orally disintegrating tablet (sublingual fentanyl ODT), for the treatment of BTcP in...” PMID 21208151 ↗ Jan 2011

“A patient-controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients with a protocol including a 10 mcg bolus without an infusion dose, a 10-minute...” NCT07278050 ↗

“Fentanyl group recieve induction and maintenance doses of fentanyl by target controlled infusion in addition of propofol-dexmedetomidine as total intravenous anesthesia for...” NCT06031883 ↗

“Intraoperative analgesia using short-acting opioids (e.g., fentanyl and/or hydromorphone) administered at induction and throughout surgery according to clinician judgment and...” NCT07565870 ↗

“This typically involves the intravenous (IV) administration of strong opioids such as Fentanyl or Sufentanil to manage the intense pain during the craniotomy (bone flap...” NCT07510217 ↗

“A patient-controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients with a protocol including 10 mcg bolus without infusion dose, 10 min lockout...” NCT05972122 ↗

“A patient-controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients with a protocol including 10 mcg bolus without infusion dose, 10 min lockout...” NCT06546839 ↗

“Fentanyl IV infusion via PCA (patient controlled analgesia) machine of fentanyl 10 μg/ml, ramosetron 0.3 mg, normal saline, total 100 ml, infusion rate 1 ml/hr, 1 ml bolus and...” NCT04061057 ↗

“JNS020QD is a transdermal system in which fentanyl base is incorporated directly into a single layer of pressure-sensitive high polymerized adhesive, and is changed once a day...” NCT01493245 ↗

“Standard of Care analgosedation of choice using propofol, fentanyl, dexmedetomidine, morphine, hydromorphone, midazolam, or lorazepam administered according to the...” NCT06429657 ↗

“In the EVE group, 1 mL of a mixture containing a combination of 10 µg fentanyl and 0.25% isobaric bupivacaine was injected into the intrathecal region via a 25-G 120 mm...” PMID 40068075 ↗ Mar 2025

“This trial evaluated the efficacy and long-term tolerability of a sublingual formulation of the fast-acting opioid fentanyl, for the treatment of BTcP in opioid-tolerant...” PMID 19814586 ↗ Dec 2009

“Patients in control group will receive a conventional GA with fentanyl 2µg/kg given during induction of anesthesia and one fourth of initial dose of fentanyl will be given over...” NCT07213687 ↗

“Fentanyl 25 mcg intravenous push (IVP) every 5 min up to 4 doses hourly as needed to target pain score for the study design duration (28 days) or for the duration of mechanical...” NCT02219659 ↗

“Patients in the TIVA group had anesthesia induced with propofol 2 mg/kg , fentanyl 1 ug/kg and maintained with propofol. 200 ug/kg/min, fentanyl 0.1ug/kg/min, dexmedetomidine 1...” NCT06423846 ↗

“One patch of SyB P-1501 contains 10.8 mg of fentanyl hydrochloride (fentanyl 9.7 mg) and produces an electric current to deliver the drug iontophoretically after the system is...” NCT03005899 ↗

“Intravenous moderate sedation (fentanyl 100 mcg and midazolam 2 mg) versus oral analgesia/anxiolysis (lorazepam 2 mg sublingual, hydrocodone/acetaminophen 5/500 mg, and...” NCT01011634 ↗

“In the Remifentanil group, patients will be administered in a total volume of 20 mL, 2 mcg/kg of fentanyl. As maintenance, they will be receiving 1 mL/10kg/h of a remifentanil solution” NCT05717361 ↗

“In addition to propofol as a hypnotic and rocuronium as a muscle relaxant, patients in the conventional opioid-based group will receive the following drugs: Remifentanil and Fentanyl” NCT05485480 ↗

“Fentanyl 2mcg/kg only at induction and infusion of propofol and remifentanil for maintenance, with doses adjusted according to bispectral index indication ( BIS maintained 40-60).” NCT04976842 ↗

“This study aimed to investigate the effect of the equivalent doses of fentanyl, oxycodone, and butorphanol on bowel function in patients undergoing laparoscopic hysterectomy.” PMID 35209847 ↗ Feb 2022

“General anesthesia will be induced with fentanyl 1,5 mcg/kg, propofol 2 mg/kg, rocuronium 0,6 mg/kg; after intubation anesthesia will be mantained with sevoflurane (MAC 1).” NCT04294537 ↗

“General anesthesia: induction of general anesthesia to facilitate endotracheal intubation: fentanyl (up to 2μg.kg.min-1), propofol (1-2 mg.kg-1), vecuronium (1-2 mg.kg-1).” NCT05444751 ↗

“general anesthetic by midazolam 0.02 mg kg-1 , propofol 2-3 mg kg-1 and lidocaine 0.5 mg kg-1 , fentanyl 2 μg kg-1 , atracurium 0.5 mg kg-1 , isoflurane in 50% oxygen/air.” NCT03569046 ↗

“Injection of 100 mcg of morphine, 15 mcg of fentanyl and 0.25 ml of normal salin (sterile) with 12 mg of bupivacaine in the intrathecal space to provide spinal anesthesia.” NCT05099055 ↗

“Standard thoracic epidural analgesia mixture (2 mg/ ml bupivacaine, 2 µg/ ml fentanyl and 2 µg/ ml adrenalin) with an infusion of 6-10 ml/hour until day 2 postoperatively.” NCT04025606 ↗

“Induction of anaesthesia: fentanyl 1 μg.Kg-1, propofol 1.5-2 mg.kg -1 titrated to loss of verbal response, atracurium 0.5 mg. Kg-1 to facilitate endotracheal intubation.” NCT04095754 ↗

“with fentanyl, (1mcg / kg), propofol (1-2 mg / kg), atracurium (0.5 mg / kg), intubation. Anesthesia maintained using Propofol (4-6) mg/kg/h, fentanyl (0.5-1) μg/kg/h.” NCT03437213 ↗

“Compare the opioid based anesthesia with Fentanyl and Remifentanyl to opioid free anesthesia with dexmedetomidine and lidocaine and their effect on postoperative pain.” NCT03417193 ↗

“Total IntraVenous Anesthesia - to achieve deep-sedation via chemical analgesic (propofol, dexmedetomidine, fentanyl, hydromorphone); continuous intravenous infusion.” NCT07672301 ↗

“Propofol 1,5mg/Kg, supplemented by fentanyl 2mcg/Kg and rocuronium 0,5mg/Kg and O2 100% will be for induction to anesthesia and facilitate endotracheal intubation. .” NCT04802122 ↗

“using dexmedetomidine, propofol and fentanyl as total intravenous anaesthestics (TIVA) in comparison with sevoflurane - fentanyl anesthesia in brain tumor resection.” NCT02575521 ↗

“both midazolam (0.05 mg/kg body weight; 1 mg if age \> 70 or ASA class III-IV) and fentanyl (50 µg; 25 µg if age \> 70 or ASA class III-IV) were given intravenously” NCT01321047 ↗

“In this group patient will receive intrathecal hyperbaric bupivacaine based on patients height and weight according to Harten chart with 10 μg of fentanyl (0.1 ml)” NCT04082676 ↗

“may use a combination of fentanyl, midazolam, dexmedetomidine infusion (with or without loading dose), and/or low-dose propofol by intermittent bolus or infusion” NCT03263117 ↗

“Droperidol 1.25 mg and fentanyl 0.025 mg (diluted with normal saline up to 5ml) is to be administrated intravenously 30 minutes before the end of the procedure.” NCT05068180 ↗

“Induction agents will be administered as quick boluses (Propofol 2,5mg/kg total body weight, max 350mg, Fentanyl 250mcg, Rocuronium 1,2mg/kg ideal body weight).” NCT03239236 ↗

“PACU analgesia for both groups will be the usual care regime of fentanyl or hydromorphone bolus as prescribed by the physician anesthesiologist doing the case.” NCT05693675 ↗

“i.e., a programmed intermittent bolus of 10 ml of 0.1% bupivacaine and 2 μg/ml fentanyl every hour until the completion of labor and suturing of the incision.” NCT06580327 ↗

“Post-procedure analgesia in both groups was provided via IV fentanyl 0.5-1 µg/kg, administered as needed for patients reporting an NRS score greater than 4.” NCT07303309 ↗

“Anesthetic agents, including propofol, fentanyl, rocuronium, and sevoflurane, were used as part of standard anesthetic management during the procedure.” NCT07370779 ↗

“The participants will receive intravenous midazolam, propofol or fentanyl with topical proparacaine and sub-tenon's mixture of lidocaine and marcaine.” NCT04346095 ↗

“Induction with 1% propofol (2-3 mg/kg), fentanyl (1-3 mg/kg), and Rocuronium 1-1.5 mg/kg. Before the injection of propofol, 5 mL 1% lidocaine (50 mg)” NCT04281017 ↗

“Standardized general anaesthesia with fentanyl 2 mcg/kg ABW at induction, propofol 1.5 mg/kg, rocuronium 0.6 mg/kg, sevoflurane 1 MAC for maintenance” NCT07299630 ↗

“General anesthesia induction will be performed with fentanyl 1-2 μg/kg, propofol 2-3 mg/kg, and rocuronium 0.6 mg/kg and maintained with sevoflurane.” NCT06584695 ↗

“Patients were given 1.5 mcg/Kg of fentanyl intravenously. two minutes after the fentanyl dose, a dose of 1.5 mg/kg of propofol slowly over 2 minutes.” NCT04284644 ↗

“Local anesthesia (e.g., 2% Lidocaine) and conscious sedation (e.g., Fentanyl and Midazolam) will be administered to the patient during the procedure” NCT06426992 ↗

“Patients in all groups will be attached to IV PCA containing 10 mcg/ml fentanyl, 10 mcg bolus without infusion dose, and 10 min lock time protocol.” NCT05566561 ↗

“Epidural anesthesia placed at L1-L2 Epidural infusion of ropivacaine 0.2% + 3-4 mcg/ml fentanyl + saline 0.9% (100 ML) 3-5ml/ hr during 120 hours” NCT02617199 ↗

“Anesthesia will be maintained by total intravenous anesthesia with propofol infusion (4 to 12 mcg/kg/min) and fentanyl infusion (1-2mcg /kg/hour)” NCT06613893 ↗

“Patients will be subjected to total intravenous anesthesia with propofol-fentanyl+i.v. lidocaine infusion for the first 48 h postoperatively” NCT02786329 ↗

“Group FENT, consisting of 29 patients, underwent a saddle block with hyperbaric bupivacaine (2.5 ml) combined with fentanyl (0.5 ml; 25 μg).” NCT06216197 ↗

“patients will receive fentanyl 2 μg/kg loading dose which will be prepared over 20 ml syringe and infused over 10 minutes prior to induction” NCT04941040 ↗

“Optional intrathecal opioid adjuncts, with fentanyl or sufentanil, may be used to enhance analgesia according to routine clinical practice.” NCT07334132 ↗

“Induction of anesthesia will be done by injecting fentanyl 2 μg/kg, propofol1.5-2.5 mg/kg and atracurium 0.5 mg/kg for muscle relaxation.” NCT05632159 ↗

“Patients will receive continuous epidural analgesia using bupivacaine 0.125% in conjunction with fentanyl 2 ug/ml at a rate of 8-15 ml/hr” NCT04541719 ↗

“intrathecal 50 mg (2.5 ml) of prilocaine 2% (Takipril, prilocaine hydrochloride 20 mg/mL, hyperbar, Sintetica) + 25 ug fentanyl (0.5 ml).” NCT06133881 ↗

“Group M will be given a 0.5% Bupivacain Dosage Regimen with weight and height adjustment+15 μg fentanyl +150 μg morphine intrathecally.” NCT05405049 ↗

“Epidural medication will be the same in both groups and will consist of bupivacaine 0,05% with fentanyl 2 µg/mL and adrenaline 2 µg/mL.” NCT05534945 ↗

“epidural anesthesia: patients get an continuous infusion of a solution with bupivacain 1 mg/ml, fentanyl 1 ug/ml and adrenalin 1 ug/ml” NCT02030717 ↗

“Boluses of fentanyl 1 µg/kg actual body weight (ABW), up to a maximum dose of 100 µg per bolus, can be given per clinical judgement.” NCT04679818 ↗

“Intravenous sedation in control group will be continued as initiated at the ICU e.g. propofol, fentanyl, midazolam, dexmedetomidine” NCT04355962 ↗

“patients will be premedicated with the undiluted IV formulation of fentanyl citrate (50 µg/mL), 10 µg/kg up to 400 µg per patient.” NCT04991298 ↗

“Intra-operatively, opioids will be titrated to heart rate and spontaneous respiration rate e.g. fentanyl, morphine, hydromorphone.” NCT03471442 ↗

“Standard sedation: fentanyl 2x0,5 microg/kg at beginning of procedure and propofol PCS: 20mg bolus than 10mg/bolus, lock-out = 0.” NCT00913861 ↗

“1- Standard dose group: receiving the typical dose of hyperbaric bupivacaine (12.5 mg hyperbaric bupivacaine + 25 mcg fentanyl).” NCT07140640 ↗

“administer anesthesia based on opioids such as fentanyl and/or morphine to guarantee analgesia during the surgical intervention.” NCT05887258 ↗

“Fentanyl infusion (0.5 μg/kg/h) was started after induction and continued intraoperatively according to institutional protocol.” NCT07259057 ↗

“The unit's protocol includes drugs such as Morphine, Hydromorphone, Fentanyl, Clonidine, Ketamine, Midazolam and Acetaminophen.” NCT04538573 ↗

“Induction was carried out by fentanyl 3mcg/kg, propofol 2 mg/kg and rocuronium at the dose of 1mg/kg to facilitate intubation” NCT05417529 ↗

“Patient in this group will receive the intraoperative standard of care(intraoperative intravenous fentanyl and paracetamol)” NCT03762343 ↗

“Anaesthesia induction will be obtained with i.v. 2-3 mg/kg propofol, 0,6-0,8 mcg/kg fentanyl, and 0.9-1,2 mg/kg rocuronium.” NCT03157479 ↗

“Intravenous injection midazolam 0.05 mg/Kg,fentanyl 4μg/Kg,etomidate 0.2 mg/Kg,cisatracurium 0.15 mg/Kg in proper order.” NCT02289391 ↗

“Administer 7 μg/kg of fentanyl first，then given remimazolam 0.2 mg/kg (1-minute bolus), followed by 1 mg/kg/h infusion.” NCT07335536 ↗

“atracurium 0.5mg/kg to facilitate endotracheal intubation and fentanyl 1 mcg/kg ,Mechanical ventilation was adjusted” NCT04614259 ↗

“The ED95 of Ciprofol for Laryngeal Mask Airway Insertion With Fentanyl in Children: A Biased-Coin Dose-Finding Trial” NCT07697404 ↗

“Propofol 5-6 mg/kg and fentanyl 2 µg/kg for induction of anesthesia and propofol 250-300 µg/kg/min for maintenance” NCT03553082 ↗

“GA will be induced with midazolam 1-2 mg, fentanyl 2μ/kg and propofol titrated to achieve loss of consciousness.” NCT03013075 ↗

“using intraoperative opioids such as fentanyl or remifentanil, administered according to institutional protocols” NCT07310524 ↗

“Patients received inhalation induction using sevoflurane 8% and fentanyl 2 µg/kg was administered intravenously.” NCT05019560 ↗

“Intraoperative opioids (Fentanyl or Morphine) will be administered as deemed necessary by anesthesia care team.” NCT01500109 ↗

“Participants in the interventional group will receive an initial dose of 100 mcg IV fentanyl during induction.” NCT07614607 ↗

“general anesthesia induction with 1mcg/kg of IV Fentanyl, 2mg/kg of IV Propofol and 0.5 mg/kg of IV Atracurium” NCT06202664 ↗

“IV PCA (fentanyl 10mcg/kg + nefopam (Acupan®) 80mg + Ramosetron (Nasea®) ) apply 30min before end of surgery.” NCT03462836 ↗

“Patients will receive 150% of their oral morphine equivalent (OME) utilizing the drugs Dilaudid and Fentanyl.” NCT01447888 ↗

“Subarachnoid block will be performed using Bupivacaine hydrochloride (2.2 mL) in addition to fentanyl 25 mcg.” NCT03792906 ↗

“patients in group C will receive fentanyl 1 μg/kg, propofol 2.5 mg/kg, and rocuronium 0.3 mg/kg intravenously” NCT07680400 ↗

“All patients were induced with individual intravenous doses of midazolam, rocuronium, fentanyl and propofol.” NCT02399397 ↗

“The administered drugs, as outlined in the arms section, are midazolam, fentanyl, propofol, and sevoflurane.” NCT02058511 ↗

“Subarachnoid block will be performed using Bupivacaine hydrochloride (2.2 mL) in addition to fentanyl 25 mcg” NCT03712111 ↗

“Analgesia will be provided by fentanyl in induction and maintenance according to Ideal Body Weight (IBW)” NCT06343753 ↗

“10 mg of preservative-free isobaric bupivacaine with 12.5mcg of fentanyl injected to the epidural space” NCT03110003 ↗

“standard care which includes ketorolac, bupivacaine, fentanyl, ondansetron, dexamethasone, sevoflurane” NCT01868425 ↗

“Prior to emergence, 100-200 mcg of fentanyl will be titrated for additional analgesia after emergence.” NCT03908944 ↗

“General anesthesia with Lidocaine 1.5mg/kg, Fentanyl 2 mcg/kg, propofol 2 mg/kg, Rocuronium 0.6 mg/kg” NCT06892600 ↗

“with 1 microgram/kilogram (mcg/kg) of fentanyl and 1.2 mg/kg rocuronium once IV access is established” NCT03408340 ↗

“Total intravenous anesthesia (propofol plus fentanyl) in addition to remote ischemic preconditioning” NCT02877238 ↗

“After intravenous (IV) placement, 1-3mg/kg of propofol and 1mcg/kg of fentanyl will be administered.” NCT03467750 ↗

“Patients in both groups will receive intravenous patient-controlled analgesia (PCA) using fentanyl.” NCT01833728 ↗

“Propofol 2-3mg/kg IV, Fentanyl 1mcg/kg IV, neuromuscular block w/succinylcholine and/or rocuronium” NCT03448068 ↗

“Anesthesia was maintained with isoflurane at a concentration of 2-2.5%. fentanyl 50 ug increments” NCT02739958 ↗

“The doses used of Levobupivacaine Hydrochloride 0.5% will be 6 mg and the dose of fentanyl 10 μg.” NCT03843970 ↗

“Intraoperative: fentanyl 5-10 mcg/kg at induction with supplemental 1-2 mcg/kg boluses as needed.” NCT07658521 ↗

“The anesthesiologist will administer 4 mL of ropivacaine 0.5% plus fentanyl 15 mcg intrathecally” NCT05824338 ↗

“Tetracaine 2mg will be combined with Fentanyl 20 mcg and Epinephrine 50 mcg to treat labor pain.” NCT01005459 ↗

“The patients will receive a single injection of spinal anesthesia using prilocaine plus fentanyl” NCT06165679 ↗

“rescue intravenous analgesia using 50 mcg of fentanyl will be administered by anaesthesiologist” NCT04500249 ↗

“Spinal anesthesia performed with 12,5mg of bupivacaine with 25mcg fentanyl for cesarean section” NCT03231436 ↗

“fentanyl 2 mcg/kg (bolus) and morphine given by PCA (patient-controlled analgesia) at 1 mg/dose” NCT05069311 ↗

“In the ED Rescue analgesic medication for all patients: Fentanyl 50mcg i.v. (max. 200mcg/hour)” NCT04685291 ↗

“A patient controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients” NCT04189640 ↗

“A patient-controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients” NCT06866054 ↗

“Participants will receive usual care with IV Fentanyl or hydromorphone per hospital protocols” NCT06110546 ↗

“intranasal fentanyl (INF) is effective for rapidly decreasing MSK-I related pain in children” NCT02985177 ↗

“50 mcg of fentanyl citrate was given as a 15-minute intravenous infusion in 150 cc isotonic.” NCT05500677 ↗

“IV-PCA (fentanyl 10 mcg/ml) Dose bolus-lock out time - basal = 1.5 ml - 15 min - 1.5 ml/hr” NCT01269099 ↗

“to characterize the pharmacokinetics profile of ACTIQ (fentanyl citrate) in these children” NCT00236041 ↗

“All patients will receive a standarised dose of paracetamol 15mg/kg and fentanyl 2mcg/kg.” NCT03167047 ↗

“We thus determine appropriate dose of fentanyl (bolus dose and background infusion rate)” NCT01863355 ↗

“iv-PCA setting was fentanyl 20 mcg/ml, bolus/lock out time/basal, 0.5 ml/15 min/0.5 ml.” NCT02491385 ↗

“Traditional general anesthetic technique utilizing sufentanil, fentanyl or remifentanil” NCT02752477 ↗

“Anesthesia is induced with 1 µg/kg fentanyl, 1.5-2 mg/kg propofol and 1-2 mg midazolam.” NCT02534012 ↗

“in combination with Fentanyl (25µg) in day-case lower abdominal and urologic surgeries” NCT05726968 ↗

“8 mg hyperbaric bupivacaine with added 25 µg fentanyl to form a total volume of 2.1 ml” NCT03356899 ↗

“Patients will receive o.5 ug/kg/hr fentanyl infusion all through the whole operation.” NCT06984276 ↗

“patient control epidural analgeisa using 0.2% levobupivacaine with 2ug/ml fentanyl” NCT01158586 ↗

“Fentanyl was administered at a dose of 3 mcg/kg at 5 minutes of this application.” NCT06958913 ↗

“Patients will be anesthetized using Fentanyl (2 mcg/kg) and Propofol (1-2 mg/kg).” NCT04473846 ↗

“Patients received 0.5% bupivacaine hyperbaric (2.5 ml) + fentanyl 25 µg (0.5 ml).” NCT07664618 ↗

“They will receive 20 mg of 0.5% hyperbaric bupivacaine plus 25 microgram fentanyl” NCT06550180 ↗

“Hydromorphone or fentanyl will be used in patients who do not tolerate morphine.” NCT01932554 ↗

“1 microgram/kg Fentanyl, and 2 minutes later receive 1 mg/kg Propofol (Diprivan)” NCT02079090 ↗

“During general anesthesia, fentanyl is administered according to NOL monitoring.” NCT06070701 ↗

“Spinal anesthesia will be induced with isobaric 2% lidocaine and 15 μg fentanyl.” NCT02574832 ↗

“the EDA group had an epidural infusion of bupivacaine, adrenalin and fentanyl.” PMID 30837253 ↗ Mar 2019

“Patients in both groups received fentanyl 2 ug\\kg and atracurium 0.5 mg\\kg.” NCT04365686 ↗

“All patients will receive a spinal anesthetic using Fentanyl and Bupivacaine” NCT02197273 ↗

“The bolus will consist of 2.5mL of 0.25% Bupivacaine plus fentanyl 8mcg/ml.” NCT03735771 ↗

“3.0 ml of heavy levo-bupivacaine with10 µg fentanyl (0.5 ml) to make 3.5 ml” NCT06970574 ↗

“Induction by intravenous fentanyl (1.5 µg kg-1) and propofol (2.5 mg kg-1)” NCT02355678 ↗

“5 mg hyperbaric bupivacaine 0.5% and 25 mcg fentanyl for spinal anesthesia” NCT03834454 ↗

“propofol 2mg/kg , atracurium0.5ml/kg ,fentanyl 100 microgram in induction” NCT03422354 ↗

“Sedation will be administered using low-dose midazolam and/ or fentanyl.” NCT04887285 ↗

“initial bolus dose of fentanyl (fentanyl 50 mcg/ml, hameln; Netherlands)” NCT06464263 ↗

“Midazolam, Propofol, Fentanyl, Cisatracurium or alternatively Rocuronium” NCT05172739 ↗

“Fentanyl will be given, if needed, in doses of 0.25-0.5 mg intravenously” NCT07637279 ↗

“Prilocaine 40mg (2ml) + fentanyl 25mcg in unilateral spinal anesthesia” NCT07262398 ↗

“Fentanyl (Actiq®, Duragesic®, Fentora®, Lazanda®, Subsys®, and others)” NCT06240390 ↗

“Both groups will receive the same medications (propofol and fentanyl).” NCT07569016 ↗

“20 mcg of "Fentanyl," "Martindale pharma Fentanyl®," 50mcg/ml (0.4ml)” NCT06769737 ↗

“with intra-operative fast acting opioid analgesics, Fentanyl 2 mic/kg” NCT04238377 ↗

“patients will receive fentanyl (3-6 mcg/kg) at anesthesia induction.” NCT00413582 ↗

“using 10mg of 0.5% hyperbaric Bupivicaine and Fentanyl 20 micrograms” NCT02784340 ↗

“Fentanyl, an opioid, is strongly related to the development of PONV” PMID 38335521 ↗ Feb 2024

“Standard epidural placement. Ropivacaine 0.1% and Fentanyl 2mcg/mL.” NCT03074695 ↗

“ * Fentanyl * Benzodiazepine and / or anti-psychotic for agitation” NCT02009306 ↗

“1 ml 0.5% isobaric bupivacaine (5 mg) + 15 mcg fentanyl intrathecal” NCT03993314 ↗

“Drug: High dose propofol, fentanyl and sevoflurane Deep Anesthesia” NCT05380778 ↗

“intra venous Narcotic drugs (fentanyl) in the dose of (1-2mcg/kg)” NCT03866733 ↗

“25, 35 mcg of Fentanyl (Fentanyl, Janssen Cilag, amp. 50 mcg/ml)” NCT02385539 ↗

“This group will receive fentanyl in the induction of anesthesia.” NCT03212456 ↗

“Propofol 2-3mg/kg, Fentanyl 1-2mcg/kg and Cisatracurium 0.2mg/kg” NCT04894864 ↗

“Fentanyl 10 microg/ml at continuous flow of 10 to 20 microg/hour” NCT01607996 ↗

“Fentanyl is administered at induction - standard dose 5 mcg/kg.” NCT04338984 ↗

“Group 2: PCEA with fentanyl 1 mcg/mL plus bupivacaine 0.8 mg/mL” NCT01074190 ↗

“propofol 1 mg/kg and fentanyl 1µg/kg will be administered IV” NCT06656455 ↗

“Initially, fentanyl was administered at a dose of 2-3 mcg/kg” NCT06816173 ↗

“Conventional sedation receiving analgosedation with fentanyl” NCT05559970 ↗

“0.1% Bupivacaine and 2microgram\\ml Fentanyl every one hour” NCT06494280 ↗

“intravenous administration of fentanyl 2µg/kg and propofol” NCT03600454 ↗

“Spinal anesthesia with bupivacaine 12.5 mg+fentanyl 15 ug” NCT03639389 ↗

“Fentanyl 1 to 2 mcg/kg followed by IV lidocaine infusion” NCT07116564 ↗

“Fentanyl * IV bolus of 1 µg/kg for sedation induction” NCT01840371 ↗

“50 micrograms of fentanyl given before the procedure” NCT01786434 ↗

“followed by an opioid such as fentanyl (1-2 mcg/kg)” NCT05509192 ↗

“fentanyl 100 μg will be administered intravenously.” NCT07588802 ↗

“Morphine, oxycodone, metadone, fentanyl, tramadol” NCT03365817 ↗

“DepoDur with on demand boluses of IV fentanyl PCA” NCT00728832 ↗

“fentanyl was administered at a dose of 2 mcg/kg” NCT06779968 ↗

“etomidate, fentanyl (1-2 mcg/kg) and rocuronium” NCT01566838 ↗

“Group 1: Levobupivacaine 8 mg + 20 mcg Fentanyl” NCT03956303 ↗

“intrathecal bupivacaine 0.5% 15mg and fentanyl” NCT05602038 ↗

“fentanyl 1 mcg/kg followed by 1 -2 mcg/kg/h” NCT05962671 ↗

“fentanyl 50-100 mcg IV prior to intubation” NCT07211399 ↗

“0.0625% Bupivacaine plus fentanyl 2mcg/ml” NCT02887222 ↗

“Only received fentanyl IV during surgery.” NCT03879980 ↗

“Epidural fentanyl 200 microgram bolus” NCT00848419 ↗

“IV sedation with fentanyl and versed” NCT03187002 ↗

“propofol 2mg /kg ,fentanyl 2 mic/ kg” NCT05825430 ↗

“Bupivacaine 0.1%, fentanyl 1 mic/kg” NCT00801047 ↗

“Opioid based group receive fentanyl” NCT07360327 ↗

“fentanyl 1 mcg/kg before induction” NCT01584570 ↗

“2 mcg/kg fentanyl in 10 ml volume” NCT05752799 ↗

“Fentanyl rescue dose (1mcg/kg)” NCT07568938 ↗

“Transdermal Opioid (Fentanyl)” NCT03472469 ↗

“Fentanyl 2-4 mcg/kg IV bolus” NCT04197570 ↗

“intravenous fentanyl boluses” NCT01571791 ↗

“IV Fentanyl and midazolam” NCT06899724 ↗

“fentanyl (opioid agonist)” NCT04689217 ↗

“2. Recommended Fentanyl” NCT01315158 ↗

“Transdermal fentanyl” NCT00916890 ↗

“-Fentanyl: 10 mic\ml” NCT02121951 ↗

“Fentanyl: 1mcg/kg iv” NCT07558226 ↗

“Fentanyl (50mcg IV)” NCT04081545 ↗

“Fentanyl 1-2ug/kg” NCT01474252 ↗

“IV PCA(fentanyl)” NCT05053308 ↗

“Fentanyl 10ug” NCT01511627 ↗

“Fentanyl” NCT02886286 ↗

“Fentanyl” NCT06930183 ↗

“fentanyl” NCT03029676 ↗

NCT05769309 ↗

NCT02958566 ↗

NCT00871442 ↗

NCT03682211 ↗

NCT01497288 ↗

NCT02123589 ↗

NCT00741351 ↗

NCT06185127 ↗

NCT03649334 ↗

NCT00271414 ↗

NCT00713726 ↗

NCT00709254 ↗

NCT04199013 ↗

NCT01429051 ↗

NCT06435949 ↗

NCT03901716 ↗

NCT04004117 ↗

NCT01362998 ↗

NCT04095013 ↗

NCT02587273 ↗

NCT00387010 ↗

NCT02691572 ↗

NCT00293020 ↗

NCT06962306 ↗

NCT02388321 ↗

NCT00696137 ↗

NCT02501863 ↗

NCT03776838 ↗

NCT00685295 ↗

NCT02252458 ↗

NCT03507634 ↗

NCT03435692 ↗

NCT01327677 ↗

NCT01749579 ↗

NCT00596050 ↗

NCT02486016 ↗

NCT03491072 ↗

NCT00345735 ↗

NCT01896960 ↗

NCT03435003 ↗

NCT00822614 ↗

NCT07057739 ↗

NCT00271453 ↗

NCT04945694 ↗

NCT01913054 ↗

NCT02733705 ↗

NCT04762147 ↗

NCT00333632 ↗

NCT00779467 ↗

NCT00264485 ↗

NCT01795898 ↗

NCT06186895 ↗

NCT00882960 ↗

NCT01748630 ↗

NCT04196946 ↗

NCT05150795 ↗

NCT00465231 ↗

NCT03324490 ↗

NCT03434678 ↗

NCT07326332 ↗

NCT02713191 ↗

NCT03619785 ↗

NCT07182097 ↗

NCT05905367 ↗

NCT07241351 ↗

NCT07262242 ↗

NCT02466022 ↗

NCT01522729 ↗

NCT01750060 ↗

NCT01828840 ↗

NCT04564326 ↗

NCT03778671 ↗

NCT02732132 ↗

NCT04673812 ↗

NCT02277782 ↗

NCT03623256 ↗

NCT02789969 ↗

NCT03778723 ↗

NCT03344042 ↗

NCT04561375 ↗

NCT02426697 ↗

NCT00788372 ↗

NCT07610408 ↗

NCT02462915 ↗

NCT07610265 ↗

NCT00403663 ↗

NCT03343002 ↗

NCT04026022 ↗

NCT07078201 ↗

NCT06951230 ↗

NCT00271466 ↗

NCT01582607 ↗

NCT07076368 ↗

NCT03323684 ↗

NCT05975294 ↗

NCT02359175 ↗

NCT00666393 ↗

NCT02159807 ↗

NCT01563835 ↗

NCT01514695 ↗

NCT05148637 ↗

NCT04888858 ↗

NCT01427985 ↗

NCT00794209 ↗

NCT00803725 ↗

NCT00956254 ↗

NCT05641909 ↗

NCT04128540 ↗

NCT05706090 ↗

NCT03009877 ↗

NCT03077503 ↗

NCT02537860 ↗

NCT02880540 ↗

NCT04824274 ↗

NCT00538850 ↗

NCT05481970 ↗

NCT02623959 ↗

NCT02531165 ↗

NCT00241332 ↗

NCT03010540 ↗

NCT00538863 ↗

NCT00405444 ↗

NCT06662318 ↗

NCT03461718 ↗

NCT02387060 ↗

NCT06636578 ↗

NCT02734940 ↗

NCT01497509 ↗

NCT03252496 ↗

NCT00478101 ↗

NCT02584452 ↗

NCT01348984 ↗

NCT01975753 ↗

NCT07650552 ↗

NCT06917898 ↗

NCT03438240 ↗

NCT00151346 ↗

NCT01724983 ↗

NCT02122055 ↗

NCT02625181 ↗

NCT03143933 ↗

NCT04823390 ↗

NCT05445856 ↗

NCT06181188 ↗

NCT02267681 ↗

NCT07258628 ↗

NCT05510986 ↗

NCT00779038 ↗

NCT01816243 ↗

NCT01593397 ↗

NCT02616523 ↗

NCT05232084 ↗

NCT02222636 ↗

NCT06210061 ↗

NCT05332028 ↗

NCT07425444 ↗

NCT02278601 ↗

NCT02480114 ↗

NCT05639712 ↗

NCT02135224 ↗

NCT02528513 ↗

NCT06685705 ↗

NCT04285255 ↗

NCT00802646 ↗

NCT03013036 ↗

NCT04597320 ↗

NCT06823349 ↗

NCT02460055 ↗

NCT00996177 ↗

NCT00708318 ↗

NCT02150161 ↗

NCT00463047 ↗

NCT07141589 ↗

NCT00974220 ↗

NCT04871425 ↗

NCT02467023 ↗

NCT06318546 ↗

NCT03747094 ↗

NCT01651962 ↗

NCT02459964 ↗

NCT07332130 ↗

NCT00652028 ↗

NCT02794896 ↗

NCT07214714 ↗

NCT01998685 ↗

NCT04727515 ↗

NCT02209610 ↗

NCT04285528 ↗

NCT00641667 ↗

NCT06868589 ↗

NCT01794533 ↗

NCT06502262 ↗

NCT01960543 ↗

NCT02531529 ↗

NCT06367660 ↗

NCT00181246 ↗

NCT02467595 ↗

NCT02582372 ↗

NCT05550597 ↗

NCT00462644 ↗

NCT00648414 ↗

NCT00468052 ↗

NCT04854252 ↗

NCT06799442 ↗

NCT03922815 ↗

NCT02125201 ↗

NCT05850468 ↗

NCT01144312 ↗

NCT04011098 ↗

NCT06630364 ↗

NCT07120763 ↗

NCT02224443 ↗

NCT06763705 ↗

NCT00684632 ↗

NCT01842893 ↗

NCT04011150 ↗

NCT06382831 ↗

NCT03000413 ↗

NCT01809106 ↗

NCT02004899 ↗

NCT00512395 ↗

NCT02689024 ↗