Sevoflurane- Safety in Long-term Sedation Procedures

F

F Javier Belda

Status and phase

Withdrawn
Phase 3

Conditions

Recovery From Sedation
Renal Function
Poisoning by Inhaled Anaesthetic
Hepatic Function
Fluoride Poisoning

Treatments

Drug: Sevoflurane
Drug: Midazolam

Study type

Interventional

Funder types

Other

Identifiers

NCT01802255
ECSEVO-LT-011
2011-002555-34 (EudraCT Number)

Details and patient eligibility

About

Patients needing intensive care often require sedative drugs to reduce anxiety and agitation during ventilator care and invasive therapeutic and diagnostic procedures. At present there is no optimal sedative agent for these patients. The most commonly used sedative agents in intensive care units are midazolam and propofol. Both drugs have side effects of clinical importance. At present, a viable alternative to intravenous sedation is inhalatory sedation. Sevoflurane, as other inhaled anesthetic agents, is sedative in low doses. A new simplified method of administration of isoflurane or sevoflurane has been developed. The Anesthetic Conserving Device is a modified heat-moisture exchanger (HME) that permits direct infusion of sevoflurane to the airway, where it is vaporized in an evaporator rod in the device. However, the use of sevoflurane is limited to anesthesia and sedation lasting no more than 12 hours, since the possible renal problems posed by inorganic fluoride in prolonged operations remain the subject of controversy. The primary aim (and primary hypothesis) of the current trial is to determine whether sevoflurane can be administered as a sedative drug for more than 48 hours without clinically relevant physiopathological effects on kidney and liver function. Other end-points of the trial are to evaluate the quality of sedation of sevoflurane, in terms of sedation control, the rapidity and predictability of awakening, and the incidence of delirium in critical care patients.

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Signing of the informed consent document (patient or relatives).
  • Patient age 18 years or older.
  • Expected minimum duration of sedation: 48 hours.

Exclusion criteria

  • Chronic renal failure treated with replacement therapy (hemodialysis or peritoneal dialysis).
  • Acute kidney injury in Stage 3 of AKIN classification
  • Grade C hepatic Child-Pugh classification
  • Established Acute Respiratory Distress Syndrome (ARDS).
  • Central nervous system pathology with cognitive disorders that not allow performing the test of the study: severe dementia, Alzheimer's disease, depression, schizophrenia, acute stroke.
  • Head trauma with Glasgow <12.
  • Patient treated with antiepileptic drugs that must be maintained during the study period
  • Patients requiring the use of neuromuscular blocking agents during the infusion of study drug, except for the insertion of the endotracheal tube.
  • Epidural or spinal analgesia
  • Allergy or known hypersensitivity to any of the study drugs
  • Patients with known or suspected genetic susceptibility to malignant hyperthermia
  • Previous participation in this trial
  • Participation in another clinical trial within 4 weeks prior to selection.
  • Pregnant women

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

0 participants in 2 patient groups

Inhalatory sedation
Experimental group
Description:
Sevoflurane given via AnaConDa for sedation minimum 48 hours
Treatment:
Drug: Sevoflurane
Intravenous sedation
Active Comparator group
Description:
Midazolam given intravenously for sedation minimum 48 hours
Treatment:
Drug: Midazolam

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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