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Comparison of Intensive and Conservative NOL®-Guided Analgesia Strategies During Opioid-free Anesthesia

NCT07917299, Not applicable, Not yet recruiting, Prof Urs Zingg

Trial 10

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

FieldValueSource
TitleComparison of Intensive and Conservative NOL®-Guided Analgesia Strategies During Opioid-free AnesthesiaClinicalTrials.gov
NCT numberNCT07917299ClinicalTrials.gov
StatusNot yet recruitingClinicalTrials.gov
PhasesNot applicableClinicalTrials.gov
Enrollment400 participants, estimatedClinicalTrials.gov
Lead sponsorProf Urs ZinggClinicalTrials.gov
ConditionsAnesthesia, Bariatric Surgery (Gastric Bypass)ClinicalTrials.gov
InterventionsStudy Intervention, Control InterventionClinicalTrials.gov
First posted2026-11-04ClinicalTrials.gov
Last updated2026-11-04ClinicalTrials.gov

Registered outcomes 11

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescriptionSource
PrimaryPostoperative pain intensity Measured by the numeric rating scale (NRS) in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent days
To evaluate whether an intensive NOL®-guided analgesia strategy reduces postoperative pain intensity in the post-anesthesia care unit (PACU) compared to a conservative NOL®-guided analgesia strategy in patients undergoing bariatric surgery under OFA.
ClinicalTrials.gov
PrimaryPostoperative pain intensity Measured by the Behavioral Pain Scale (BPS) in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent days
To evaluate whether an intensive NOL®-guided analgesia strategy reduces postoperative pain intensity in the post-anesthesia care unit (PACU) compared to a conservative NOL®-guided analgesia strategy in patients undergoing bariatric surgery under OFA.
ClinicalTrials.gov
SecondaryDifference between postoperative pain intensity measurement using the Behavioral Pain Scale (BPS) (outcome 1) and numeric rating scale (NRS) (outcome 2) in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysDifference between the outcome 1 and outcome 2ClinicalTrials.gov
SecondaryTotal opioid consumption in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysMorphin (mg), Oxynorm (mg), Oxycodon/Naloxon (mg)ClinicalTrials.gov
Secondary- Total non-opioid analgesic consumption in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysParacetamol (mg), Metamizol (mg), Ketamin (mg)ClinicalTrials.gov
Secondary- Total non-opioid analgesic consumption in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysLidocain-P (mg/kgLBW/h)ClinicalTrials.gov
Secondary- Total non-opioid analgesic consumption in the Post-anesthesia care unit (PACU)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysKetamin-Perfusor (mg/h)ClinicalTrials.gov
Secondary- Incidence of Postoperative nausea and vomiting (PONV)At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent days
The proportion of patients who experience at least one episode of postoperative nausea, retching, or vomiting, or who require the administration of any antiemetic rescue medication (such as Ondansetron, Metoclopramide, Domperidone, or Itinerol).
ClinicalTrials.gov
Secondary- Richmond Agitation-Sedation Scale (RASS) scores during Post-anesthesia care unit (PACU) stayAt the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysClinicalTrials.gov
Secondary- Quality of Recovery-15 (QoR-15) score on postoperative day 1At the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent daysClinicalTrials.gov
OtherSafety endpointsAt the Date of Surgery + 1 day after at Post-anesthesia care unit (PACU): two assessments within 2 consequent days
\- measures of intraoperative hemodynamic stability, including the incidence of hypotension, bradycardia, hypertension, tachycardia, and vasoactive medication use - occurrence of AEs and SAEs during the study period
ClinicalTrials.gov

Outcomes 0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured asSource

Results by group 0

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnitsSource

Participant flow 0

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits countedSource

Adverse events 0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEventsSource

Adverse event totals 0

The totals the trial posted for each group.

TotalGroupAffectedAt riskSource

Papers 0

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource

Grants 0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

ProjectTitlePrincipal investigatorsOrganizationFunderFiscal yearsSource

Trial comparisons 0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

ComparisonSource

Tests 0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

TestNamed asSource

Source 5

FieldValueSource
Releasetrials-2026-11-12-0.4.0ClinicalTrials.gov
Release manifest SHA-2560f4a8d8c48aee2a7573ae0fa94ecbeab70c1adbe449bbc95c424bc7d3e97b9d4ClinicalTrials.gov
Registry capture2026-11-12ClinicalTrials.gov
Results copy, AACT2026-03-23ClinicalTrials.gov
NIH clinical studies file2026-11-13ClinicalTrials.gov

The same record as JSON

Release trials-2026-11-12-0.4.0

ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299 ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

ClinicalTrials.gov: none stated ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

NIH RePORTER's clinical studies and project files: Public domain (NIH RePORTER)