{"type":"trials","record":{"id":40902,"source_id":"clinicaltrials-gov","external_id":"NCT04016272","title":"Self-Administered Transcranial Direct Current Stimulation for Pain in Older Adults With Knee Osteoarthritis","brief_summary":"The purpose of this study is to assess the feasibility, acceptability, and efficacy of self-administered transcranial direct current stimulation (tDCS) in older adults with knee osteoarthritis (OA)","overall_status":"Completed","phases":[],"study_type":"INTERVENTIONAL","sponsor":"Florida State University","enrollment":123,"countries":["United States"],"start_date":"2019-10-18","completion_date":"2021-11-05","last_update_date":"2023-05-10","source_url":"https://clinicaltrials.gov/study/NCT04016272","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":"2026-09-25T01:25:26.536053+00:00","last_seen_at":"2026-09-25T03:10:58.794+00:00","metadata":{"acronym":null,"organization":"Florida State University","source_has_results":true},"controlled_terms":["Osteo Arthritis Knee","Active tDCS","Sham tDCS"],"relevance_confidence":100,"source_quality_score":100,"freshness_score":50,"publication_state":"published","match_explanation":"Title contains controlled term: osteoarthritis.","quality_checked_at":"2026-09-25T03:11:01.385369+00:00","duplicate_cluster_key":"id:nct04016272","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2019-10-18 to 2021-11-05","comparator":null,"confidence":"structured-source","population":null,"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":"2026-09-25T03:40:00.377838+00:00","intervention":[],"participants":123,"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":[],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"joint-cartilage-aging","is_published":true,"match_reasons":["Title contains controlled term: osteoarthritis.","Abstract contains controlled term: osteoarthritis.","Title supplies longevity context: older adult.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["title","abstract","title context","study type"],"relevance_score":100,"intelligence_topics":{"name":"Joint and cartilage ageing","slug":"joint-cartilage-aging"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/40902","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}