{"type":"trials","record":{"id":36578,"source_id":"clinicaltrials-gov","external_id":"NCT05024916","title":"Blueberry Intervention Study for Brain Aging","brief_summary":"The purpose of this study is to determine if increased blueberry intake helps increase brain antioxidant (glutathione) and cerebral blood flow in older adults.","overall_status":"Completed","phases":[],"study_type":"INTERVENTIONAL","sponsor":"University of Kansas Medical Center","enrollment":63,"countries":["United States"],"start_date":"2022-06-01","completion_date":"2024-10-03","last_update_date":"2025-05-21","source_url":"https://clinicaltrials.gov/study/NCT05024916","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-25T01:20:26.090953+00:00","last_seen_at":"2026-09-25T06:10:45.89+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":"65 Years to 89 Years","comparator":"Control","organization":"University of Kansas Medical Center","interventions":["Intervention","Control"],"registry_source":"ClinicalTrials.gov","outcome_measures":["Change in brain glutathione (GSH) levels — Change from baseline to 3 months","Change in cerebral blood flow (CBF) — Change from baseline to 3 months"],"design_description":"RANDOMIZED · PARALLEL · PREVENTION · DOUBLE","source_has_results":false},"controlled_terms":["Brain Aging","Intervention","Control"],"relevance_confidence":100,"source_quality_score":100,"freshness_score":65,"publication_state":"published","match_explanation":"Title contains controlled term: brain aging.","quality_checked_at":"2026-09-25T06:10:48.460085+00:00","duplicate_cluster_key":"id:nct05024916","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2022-06-01 to 2024-10-03","comparator":"Control","confidence":"structured-source","population":"ALL · 65 Years to 89 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":"2026-09-25T06:10:45.904Z","intervention":["Intervention","Control"],"participants":63,"study_design":"RANDOMIZED · PARALLEL · PREVENTION · 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":["Change in brain glutathione (GSH) levels — Change from baseline to 3 months","Change in cerebral blood flow (CBF) — Change from baseline to 3 months"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"cognitive-aging","is_published":true,"match_reasons":["Title contains controlled term: brain aging.","Source terminology contains: brain aging.","Title supplies longevity context: aging.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["title","controlled terminology","title context","study type"],"relevance_score":100,"intelligence_topics":{"name":"Cognitive ageing","slug":"cognitive-aging"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/36578","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}