NCT04432974

Brief Summary

This study concerns the clinical evaluation of a closed loop control system for the automatic administration of anesthetic drugs in TIVA (Total Intra Venous Anesthesia). The purpose of the experimentation is to demonstrate that the control system under study is reliable, safe, applicable and capable of inducing and maintaining an optimal anesthetic level.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
139

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jul 2019

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 2, 2019

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

June 9, 2020

Completed
7 days until next milestone

First Posted

Study publicly available on registry

June 16, 2020

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 4, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 4, 2023

Completed
1.5 years until next milestone

Results Posted

Study results publicly available

October 4, 2024

Completed
Last Updated

October 4, 2024

Status Verified

June 1, 2024

Enrollment Period

3.8 years

First QC Date

June 9, 2020

Results QC Date

December 7, 2023

Last Update Submit

June 26, 2024

Conditions

Keywords

Closed-loop AnesthesiaPID ControlMedical Control SystemsAutomated Drug DeliveryPropofolRemifentanilBispectral indexBIS

Outcome Measures

Primary Outcomes (1)

  • Depth of Hypnosis Adequacy

    The depth of hypnosis adequacy is assessed by evaluating, for each patient enrolled, the percentage of maintenance duration during which the Bispectral Index Scale (BIS) is kept within the recommended range from 40 to 60 (BIS \[40,60\]). The outcome measure is defined as the median of these percentages calculated over all the patients enrolled in the study. The median of the percentages, calculated over all the patients enrolled in the study, of the anesthesia maintenance duration in which the BIS is kept below 40 (BIS\<40) is also specified. Maintenance duration is the period of time that goes from the end of anesthesia induction to the point at which the automatic control is turned off at the conclusion of surgery. The end of anesthesia induction is defined as the time instant when the BIS drops below 60 for the first time and remains there for the subsequent 30 seconds. The BIS ranges from 0 (absence of brain activity) to 100 (fully awake patient).

    During anesthesia from the time instant when the BIS drops below 60 for the first time and remains there for the subsequent 30 seconds to the point at which the automatic control is turned off (maintenance duration), an average of 2 hours.

Secondary Outcomes (9)

  • Number of Participants for Which the System Showed Dysfunctions

    During anesthesia from the time instant when the automatic control is started to the point at which the automatic control is turned off at the conclusion of surgery, an average of 2 hours.

  • Levels of Satisfaction of the Experimenter Expressed as Number of Participants Who Have Received a Specific Score

    During anesthesia from the time instant when the automatic control is started to the point at which the automatic control is turned off at the conclusion of surgery, an average of 2 hours.

  • Effect of Drugs Delivery on Heart Rate

    During anesthesia from the time instant when the BIS drops below 60 for the first time and remains there for the subsequent 30 seconds to the point at which the automatic control is turned off (maintenance duration), an average of 2 hours.

  • Effect of Drugs Delivery on Mean Arterial Pressure (MAP)

    During anesthesia from the time instant when the BIS drops below 60 for the first time and remains there for the subsequent 30 seconds to the point at which the automatic control is turned off (maintenance duration), an average of 2 hours.

  • Postoperative Heart Rate Stability

    End of anesthesia (operating room discharge, recovery room admission, recovery room discharge), 6 hours after surgery, 24 hours after surgery.

  • +4 more secondary outcomes

Study Arms (1)

ACTIVA

EXPERIMENTAL

ACTIVA closed-loop anesthesia control system

Device: Automatic closed-loop anesthesia

Interventions

Total intravenous anesthesia performed with the ACTIVA automatic control system

Also known as: ACTIVA
ACTIVA

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult patients undergoing total intravenous general anesthesia for elective surgery

You may not qualify if:

  • Patients under the age of 18
  • Patients incapable of giving consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia

Brescia, 25123, Italy

Location

Related Publications (3)

  • Padula F, Ionescu C, Latronico N, Paltenghi M, Visioli A, Vivacqua G. Optimized PID control of depth of hypnosis in anesthesia. Comput Methods Programs Biomed. 2017 Jun;144:21-35. doi: 10.1016/j.cmpb.2017.03.013. Epub 2017 Mar 18.

    PMID: 28495004BACKGROUND
  • Merigo L, Beschi M, Padula F, Latronico N, Paltenghi M, Visioli A. Event-Based control of depth of hypnosis in anesthesia. Comput Methods Programs Biomed. 2017 Aug;147:63-83. doi: 10.1016/j.cmpb.2017.06.007. Epub 2017 Jun 23.

    PMID: 28734531BACKGROUND
  • Schiavo M, Paltenghi M, Visioli A, Latronico N. Clinical Performance of a Bispectral Index Controlled Closed-Loop Administration System for Simultaneous Administration of Propofol and Remifentanil. Anesth Analg. 2025 May 1;140(5):1236-1238. doi: 10.1213/ANE.0000000000007289. No abstract available.

Results Point of Contact

Title
Dr. Massimiliano Paltenghi
Organization
Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia

Study Officials

  • Massimiliano Paltenghi, MD

    Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

June 9, 2020

First Posted

June 16, 2020

Study Start

July 2, 2019

Primary Completion

April 4, 2023

Study Completion

April 4, 2023

Last Updated

October 4, 2024

Results First Posted

October 4, 2024

Record last verified: 2024-06

Data Sharing

IPD Sharing
Will not share

Locations