Choosing the best drug for quick anesthesia induction in surgery
Official title: Best Hypnotic Drug Choice for Rapid Sequence Induction in the Operating Room: a 3-arm Randomized Trial
Run by Nantes University Hospital · NCT06733129 · Data updated 2026-11-12
This study tests whether propofol, ketamine, or a mix of both can help people get safely and quickly ready for surgery while keeping their blood pressure stable.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 80 Years |
| Sex | All |
| Enrollment | 1218 (estimated) |
| Sponsor | Nantes University Hospital Academic / other |
| Locations | 20 sites (Angers and 19 other locations) |
| Status | Recruiting |
| Started | April 14, 2025 |
| Main results expected | April 14, 2027 |
| Study ends | April 30, 2027 |
| Registry record updated | December 2, 2025 |
| Trial ID | NCT06733129 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 18 to 80 with risk factors for aspiration who require orotracheal intubation during general anesthesia.
✕Probably not a fit
Patients with predicted impossible tracheal intubation or significant airway modifications may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study evaluates the effectiveness of propofol, ketamine, and their combination for rapid sequence induction (RSI) in patients requiring orotracheal intubation. It aims to determine which hypnotic agent provides optimal intubation conditions while maintaining hemodynamic stability. The study is randomized and controlled, focusing on achieving successful intubation on the first attempt without significant hypotension. Participants will be monitored closely during the procedure to assess outcomes.
Why it matters
Potential benefit: If successful, this study could improve the safety and effectiveness of anesthesia induction in patients at risk for aspiration.
How similar studies have gone: Previous studies have explored similar approaches, but this specific comparison of propofol and ketamine in RSI is novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * age between 18 - 80 years' old * female\* and male * ≥ 1 risk factor of aspiration of gastric contents defined as * preoperative fasting period of less than 6 hours, * occlusive syndrome, functional ileus, vomiting episode within the last 12 hours, * orthopaedic trauma within the last 12 hours, * medical history of symptomatic gastroesophageal reflux or hiatus, hernia or gastroparesis or dysautonomia or gastroesophageal surgery with sphincter dysfunction) * patient requiring orotracheal intubation during general anaesthesia in the operating room. * patient or his/her next of kin written informed consent or emergency procedure * failure to discontinue GLP1 analogue as recommended (exenatide, liraglutide, albiglutide, taspoglutide, lixisenatide) Exclusion Criteria: * predicted impossible tracheal intubation (≥ 1 of the following criteria: patient with known intubation complications, Mallampati score IV, Thyromental Distance ≤ 4.0 cm, Mouth Opening \< 3 cm, Sternomental Distance \< 12.5 cm, significant modification of the airway due to congenital, cancer, trauma or burning lesions (non-exhaustive list)) \[30\] * preoperative arterial hypotension (MAP \< 65 mmHg or under catecholamine) * preoperative respiratory distress syndrome (SpO2 \< 90% in room air) * contraindications to the use of ketamine and/or propofol and/or NMB: * allergy to the active substance or to one of the excipients or to soy or peanuts, * porphyria * intracranial hypertension * uncontrolled arterial hypertension (systolic arterial pressure \> 180 mmHg) * personal or family history of known malignant hyperthermia, congenital muscular dystrophy, myasthenia, a known congenital deficit in plasma pseudocholinesterase * pregnancy or breast-feeding woman * patients under court protection or guardianship * absence of insurance covering health costs
Where it's running
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Chr Angers
Angers, France Recruiting -
CHRU de Brest Hôpital Cavale Blanche
Brest, France Recruiting -
CHU Dijon
Dijon, France Recruiting -
CHD Vendée
La Roche-sur-Yon, France Recruiting -
CH Le Mans
Le Mans, France Recruiting -
CHU Lille Hopital Salengro
Lille, France Recruiting
Show 14 more locations
-
CHU Lille Hôpital Claude Huriez
Lille, France Recruiting -
Chu Nantes (Laennec)
Nantes, France Recruiting -
Chu Nantes
Nantes, France Recruiting -
CHU Poitiers
Poitiers, France Recruiting -
Hopital Foch
Suresnes, France Recruiting -
Ch Louis Pasteur
Chartres, France Not yet recruiting -
CHU Grenoble Alpes
Grenoble, France Not yet recruiting -
APHP Bicêtre
Le Kremlin-Bicêtre, France Not yet recruiting -
CHU Lyon Hôpital Sud
Lyon, France Not yet recruiting -
HCL Lyon Croix-Rousse
Lyon, France Not yet recruiting -
APHP St-Antoine
Paris, France Not yet recruiting -
APHP Tenon
Paris, France Not yet recruiting -
CHU Toulouse Hôpital Purpan
Toulouse, France Not yet recruiting -
CHU Toulouse Hôpital Rangueil
Toulouse, France Not yet recruiting
Study contacts
- Study coordinator: Nicolas GRILLOT, MD
- Email: nicolas.grillot@chu-nantes.fr
- Phone: 02 53 48 22 24
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.