{"type":"trials","record":{"id":39654,"source_id":"clinicaltrials-gov","external_id":"NCT01776983","title":"Skin Aging in Renal Transplant Patients","brief_summary":"Determination of collagen, pigment and haemoglobin content of sun exposed and sun protected skin by Siascopy. Immunocompromised patients (for more than seven years) compared to immunocompetent patients. * Trial in the field of transplantation / xenotransplantation","overall_status":"Completed","phases":[],"study_type":"OBSERVATIONAL","sponsor":"University of Zurich","enrollment":100,"countries":["Switzerland"],"start_date":"2008-09-01","completion_date":"2014-01-01","last_update_date":"2015-06-16","source_url":"https://clinicaltrials.gov/study/NCT01776983","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":"2026-09-25T01:25:19.060264+00:00","last_seen_at":"2026-09-25T06:20:14.553+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":null,"comparator":null,"organization":"University of Zurich","interventions":["Photosensitivity under the influence of immunocomp"],"registry_source":"ClinicalTrials.gov","outcome_measures":["skin aging defined by melanin, collagen and hemoglobin content — One Time measurement at the one and only time point of…"],"design_description":null,"source_has_results":false},"controlled_terms":["Photosensitivity Disorders","Photosensitivity under the influence of immunocomp"],"relevance_confidence":80,"source_quality_score":100,"freshness_score":35,"publication_state":"published","match_explanation":"Title contains controlled term: skin aging.","quality_checked_at":"2026-09-25T06:20:17.523592+00:00","duplicate_cluster_key":"id:nct01776983","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2008-09-01 to 2014-01-01","comparator":null,"confidence":"structured-source","population":"ALL","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":"2026-09-25T06:20:14.603Z","intervention":["Photosensitivity under the influence of immunocomp"],"participants":100,"study_design":"OBSERVATIONAL","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":["skin aging defined by melanin, collagen and hemoglobin content — One Time measurement at the one and only time point of…"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"skin-aging","is_published":true,"match_reasons":["Title contains controlled term: skin aging.","Title supplies longevity context: aging.","Study type is explicitly identified as OBSERVATIONAL."],"matched_fields":["title","title context","study type"],"relevance_score":80,"intelligence_topics":{"name":"Skin ageing","slug":"skin-aging"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/39654","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}