Examination of the NOL (Nociception Level Index) in patients undergoing tumor surgery in the field of ear, nose and throat (ENT) and maxillofacial surgery under general anesthesia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00021770

Enrollment

Registered

2020-05-20

Start date

2020-07-13

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

R52.9

Interventions

Group 1: Patients undergoing tumor surgery in the field of ear, nose and throat (ENT) and maxillofacial surgery under general anesthesia. During the operation, a monitor is used to record the patients

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Patients undergoing tumor surgery in the field of ear, nose and throat or maxillofacial surgery under general anesthesia

Exclusion criteria

Exclusion criteria: - Non-consenting patients - Age under 18 years - Pregnancy - Opiate abuse

Design outcomes

Primary

Measure	Time frame
Investigation of the functionality and efficiency of measuring intraoperative nociception (using defined pain stimuli such as intubation, skin incision, tracheotomy)	—

Secondary

Measure	Time frame
Registration of opioid-related side effects (hypotension, nausea, vomiting) and postoperative / chronic pain, as well as individual differences in opioid sensitivity	—

Countries

Germany

Contacts

Public ContactClaudia Neumann

Universitätsklinikum Bonn

claudia.neumann@ukbonn.de0228 287 14114

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026