{"type":"trials","record":{"id":86846,"source_id":"isrctn","external_id":"ISRCTN18262533","title":"The effect of blueberries on blood vessel function, inflammation and oxidative stress in older people","brief_summary":"The consumption of polyphenol-rich blueberries can acutely ameliorate markers of vascular function, oxidative stress and inflammatory markers, after a single ingestion, in older subjects.","overall_status":"Completed","phases":[],"study_type":"Interventional","sponsor":"Regione Lombardia","enrollment":20,"countries":["Italy"],"start_date":"2021-05-10","completion_date":"2022-06-30","last_update_date":"2022-12-02","source_url":"https://www.isrctn.com/ISRCTN18262533","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":"2026-09-25T03:45:58.429838+00:00","last_seen_at":"2026-09-25T03:46:07.288+00:00","metadata":{"sex":"All","age_range":"Senior","comparator":null,"attribution":"Source: ISRCTN ISRCTN18262533; retrieved 2026-09-25","interventions":["Other"],"reuse_license":"Registry contribution CC BY 4.0; generated metadata CC0","registry_source":"ISRCTN","outcome_measures":["Phase I: polyphenols and salicylates measured through high-performance liquid chromatography (HPLC) and liquid chromato…","1. Systolic and diastolic blood pressure measured through a sphygmomanometer following standard procedure before and af…"],"design_description":"Interventional","source_has_results":false},"controlled_terms":["Vascular function in older people","Based on a computer randomization plan, participants are randomized to receive the two study products in a random order…","Other"],"relevance_confidence":100,"source_quality_score":98,"freshness_score":50,"publication_state":"published","match_explanation":"Title contains controlled term: oxidative stress.","quality_checked_at":"2026-09-25T03:46:08.2402+00:00","duplicate_cluster_key":"id:isrctn18262533","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2021-05-10 to 2022-06-30","comparator":null,"confidence":"structured-source","population":"All · Senior","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":"2026-09-25T03:46:07.295Z","intervention":["Other"],"participants":20,"study_design":"Interventional","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":["Phase I: polyphenols and salicylates measured through high-performance liquid chromatography (HPLC) and liquid chromato…","1. Systolic and diastolic blood pressure measured through a sphygmomanometer following standard procedure before and af…"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"oxidative-stress","is_published":true,"match_reasons":["Title contains controlled term: oxidative stress.","Abstract contains controlled term: oxidative stress.","Title supplies longevity context: older people.","Study type is explicitly identified as Interventional."],"matched_fields":["title","abstract","title context","study type"],"relevance_score":100,"intelligence_topics":{"name":"Oxidative stress","slug":"oxidative-stress"}}],"content_sources":{"name":"ISRCTN Registry","homepage_url":"https://www.isrctn.com/"}},"canonical_url":"https://www.immortal.life/trials/86846","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}