{"type":"trials","record":{"id":104,"source_id":"clinicaltrials-gov","external_id":"NCT03629340","title":"Metformin for Pulmonary Hypertension HFpEF","brief_summary":"The main objective of this study is to determine the clinical efficacy of metformin versus placebo and the therapeutic response with regards to functional capacity and hemodynamics in PH-HFpEF.","overall_status":"Completed","phases":["PHASE2"],"study_type":"INTERVENTIONAL","sponsor":"University of California, San Francisco","enrollment":33,"countries":["United States"],"start_date":"2019-02-26","completion_date":"2026-02-27","last_update_date":"2026-06-29","source_url":"https://clinicaltrials.gov/study/NCT03629340","editorial_summary":"A registered PHASE2 study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-14T02:45:00.13201+00:00","last_seen_at":"2026-09-15T00:18:32.954+00:00","metadata":{"acronym":"PH-HFpEF","organization":"University of California, San Francisco","source_has_results":false},"controlled_terms":[],"relevance_confidence":80,"source_quality_score":100,"freshness_score":100,"publication_state":"published","match_explanation":"Published automatically with 80% topic confidence after controlled-term evaluation.","quality_checked_at":"2026-09-15T02:15:56.576005+00:00","duplicate_cluster_key":"registry:nct03629340","duplicate_of_id":null,"clinical_trial_topics":[{"topic_slug":"metformin","is_published":true,"match_reasons":["Legacy trial evaluated automatically against controlled title, summary, and longevity-context rules."],"matched_fields":["title"],"relevance_score":80,"intelligence_topics":{"name":"Metformin","slug":"metformin"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/104","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}