{"type":"trials","record":{"id":28557,"source_id":"clinicaltrials-gov","external_id":"NCT07558642","title":"Effects of Stellate Ganglion Block on Delirium and Circadian Rhythm in Geriatric Intensive Care Patients","brief_summary":"Delirium is a common complication in elderly intensive care unit (ICU) patients and is associated with poor clinical outcomes. Circadian rhythm disruption is considered an important contributing factor in delirium development. Stellate ganglion block (SGB) may modulate autonomic nervous system activity and improve circadian rhythm regulation. This prospective randomized placebo-controlled trial aims to evaluate the effects of ultrasound-guided stellate ganglion block on delirium incidence and circadian rhythm in ICU patients aged 65 years and older. Delirium will be assessed using validated clinical scales, and circadian rhythm will be evaluated through serial measurements of serum melatonin and plasma cortisol levels","overall_status":"Recruiting","phases":[],"study_type":"INTERVENTIONAL","sponsor":"Antalya Training and Research Hospital","enrollment":130,"countries":["Turkey (Türkiye)"],"start_date":"2026-08-06","completion_date":"2027-02-01","last_update_date":"2026-09-22","source_url":"https://clinicaltrials.gov/study/NCT07558642","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Recruiting. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-25T00:17:15.763923+00:00","last_seen_at":"2026-09-25T06:25:39.067+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":"65 Years to 99 Years","comparator":"Placebo Group","organization":"Antalya Training and Research Hospital","interventions":["stellate ganglion block with 0.5% bupivacaine","Placebo Injection"],"registry_source":"ClinicalTrials.gov","outcome_measures":["Incidence of delirium — From randomization until Day 7 of ICU stay or ICU discharge, whichever occurs first, assessed t…","Serum melatonin circadian pattern — From ICU admission to Day 3 (samples collected at predefined circadian time points:…","Plasma cortisol circadian pattern — From ICU admission to Day 3, measured three times daily at predefined time points (…","Delirium severity (Delirium Rating Scale-Revised-98 score) — From the first diagnosis of delirium until Day 7 of ICU st…","Delirium motor subtype distribution — From the first diagnosis of delirium until Day 7 of ICU stay or ICU discharge, wh…","Sleep quality (Richards-Campbell Sleep Questionnaire score) — From ICU admission to Day 7 of ICU stay or ICU discharge,…","ICU and hospital length of stay — From hospital admission to discharge home or in-hospital death, whichever occurs firs…"],"design_description":"RANDOMIZED · PARALLEL · OTHER · DOUBLE","source_has_results":false},"controlled_terms":["Stellate Ganglion Block","stellate ganglion block with 0.5% bupivacaine","Placebo Injection"],"relevance_confidence":100,"source_quality_score":100,"freshness_score":100,"publication_state":"published","match_explanation":"Title contains controlled term: circadian rhythm.","quality_checked_at":"2026-09-25T06:25:42.287439+00:00","duplicate_cluster_key":"id:nct07558642","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2026-08-06 to 2027-02-01","comparator":"Placebo Group","confidence":"structured-source","population":"ALL · 65 Years to 99 Years","provenance":{"duration":"start_date and completion_date","comparator":"registry arm fields","population":"registry eligibility fields","intervention":"registry intervention fields","participants":"enrollment","study_design":"study_type and registry design fields","evidence_stage":"phases","reported_outcome":"not available","outcomes_measured":"registry outcome-measure fields"},"generated_at":"2026-09-25T06:25:39.071Z","intervention":["stellate ganglion block with 0.5% bupivacaine","Placebo Injection"],"participants":130,"study_design":"RANDOMIZED · PARALLEL · OTHER · DOUBLE","subject_scope":"Human clinical study registration","evidence_stage":"Phase not reported","safety_context":"Eligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians.","source_support":"Structured registry protocol metadata; no finding-level conclusion is generated.","main_limitation":"This is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.","reported_outcome":null,"outcomes_measured":["Incidence of delirium — From randomization until Day 7 of ICU stay or ICU discharge, whichever occurs first, assessed t…","Serum melatonin circadian pattern — From ICU admission to Day 3 (samples collected at predefined circadian time points:…","Plasma cortisol circadian pattern — From ICU admission to Day 3, measured three times daily at predefined time points (…","Delirium severity (Delirium Rating Scale-Revised-98 score) — From the first diagnosis of delirium until Day 7 of ICU st…","Delirium motor subtype distribution — From the first diagnosis of delirium until Day 7 of ICU stay or ICU discharge, wh…","Sleep quality (Richards-Campbell Sleep Questionnaire score) — From ICU admission to Day 7 of ICU stay or ICU discharge,…","ICU and hospital length of stay — From hospital admission to discharge home or in-hospital death, whichever occurs firs…"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"circadian-rhythms","is_published":true,"match_reasons":["Title contains controlled term: circadian rhythm.","Abstract contains controlled term: circadian rhythm.","Title supplies longevity context: geriatric.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["title","abstract","title context","study type"],"relevance_score":100,"intelligence_topics":{"name":"Circadian rhythms","slug":"circadian-rhythms"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/28557","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}