{"type":"trials","record":{"id":40987,"source_id":"clinicaltrials-gov","external_id":"NCT03425019","title":"Self Transcranial Direct Current Stimulation for Pain in Older Adults With Knee Osteoarthritis","brief_summary":"The purpose of this study is to determine the feasibility and preliminary efficacy of two weeks of self Transcranial Direct Current Stimulation (tDCS) for pain in older patients with knee osteoarthritis (OA).","overall_status":"Completed","phases":[],"study_type":"INTERVENTIONAL","sponsor":"The University of Texas Health Science Center, Houston","enrollment":21,"countries":["United States"],"start_date":"2018-03-14","completion_date":"2018-10-05","last_update_date":"2021-10-15","source_url":"https://clinicaltrials.gov/study/NCT03425019","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":"The University of Texas Health Science Center, Houston","source_has_results":true},"controlled_terms":["Knee Osteoarthritis","Chronic Pain","Soterix 1x1 tDCS mini-CT Stimulator device"],"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:nct03425019","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2018-03-14 to 2018-10-05","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":21,"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.","Source terminology contains: osteoarthritis.","Title supplies longevity context: older adult.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["title","abstract","controlled terminology","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/40987","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}