Actively Recruiting

Phase Not Applicable
Age: 18Years - 70Years
All Genders
Healthy Volunteers
ID07445659

The Effect of qCON/qNOX-Guided Anesthesia Using the Conox Monitor on Clinical Outcomes in Patients Undergoing Thyroidectomy Surgery

Led by Kayseri City Hospital · Updated on 2026-04-20

90

Participants Needed

1

Research Sites

4 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating the use of the non-invasive Conox monitor during thyroidectomy surgery to see how it affects opioid use during the operation. The study also examines its impact on recovery time, postoperative agitation, and pain levels. Additionally, it explores how the qCON and qNOX values from this device relate to traditional heart rate and blood pressure measurements. Participants receive anesthesia induction with propofol, fentanyl, and rocuronium, followed by maintenance with sevoflurane and remifentanil. In the Conox group, anesthesia depth and pain response are guided by EEG-based qCON and qNOX values to adjust drug dosing. The control group follows standard care using heart rate and blood pressure to guide opioid use. Measurements include opioid consumption, recovery times, agitation, and pain scores. During the study, participants will have opioid use and recovery monitored closely, including pain assessments every five minutes in the post-anesthesia care unit. Researchers will also record extubation times and agitation scores. The study aims to compare clinical outcomes between groups and assess correlations between EEG monitoring and traditional hemodynamic parameters, with the overall goal of improving anesthesia management in thyroid surgery.

CONDITIONS

Brief Title

qCON/qNOX-Guided Anesthesia in Patients Undergoing Thyroidectomy Surgery

Who Can Participate

Age: 18Years - 70Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients aged 18 to 70 years
  • Thyroidectomy patients with ASA physical status I or II
  • Patients who have provided written informed consent
Not Eligible

You will not qualify if you...

  • Skin lesions preventing EEG electrode placement
  • Presence of neurological disorders such as epilepsy
  • Anticipated difficult airway during anesthesia

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

Surgery and Immediate Post-operative Care

Duration - Day of surgery

Participants undergo thyroidectomy surgery with anesthesia management guided either by the Conox EEG monitor or standard clinical monitoring. Anesthetic and opioid doses are adjusted during surgery to optimize anesthesia depth and pain management.

1 surgical visit (in-person)

Post-operative Follow-up

Duration - Within the first 30 minutes after surgery

After surgery, participants are monitored in the post-anesthesia care unit (PACU) where pain scores and recovery parameters are assessed frequently to evaluate comfort and recovery quality.

Assessments every 5 minutes in PACU

Trial Site Locations

Total: 1 location

1

Kayseri City Hospital

Kayseri, Kayseri, Turkey (Türkiye), 38080

Actively Recruiting

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Research Team

Ç

Çiğdem Ünal Kantekin, MD

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

The effect of anesthesia without opioid on perioperative opioid demand in children with severe obstructive sleep apnea (OSA) for adenotonsillectomies - single-center retrospective observational study.

Connie Mun-Price, Kathleen Than, Margaret J Klein...

https://pubmed.ncbi.nlm.nih.gov/35699795