{"schema_version":"1","generated_at":"2026-11-07T01:30:45.629Z","data_as_of":"2026-11-04","url":"https://www.findmykol.com/kol/james-leyden","json_url":"https://www.findmykol.com/kol/james-leyden/profile.json","record_kind":"full","profile_kind":"clinical","person":{"slug":"james-leyden","name":"James Leyden","credential":"MD","title":"Dermatologist","specialty":"Dermatology","specialty_raw":"Dermatology","therapeutic_area":"Dermatology","therapeutic_areas":["Dermatology"],"institution":"Hospital of the University of Pennsylvania","institution_url":"https://www.findmykol.com/institution/university-of-pennsylvania","city":"Philadelphia","state":"PA","region":{"label":"Northeast","url":"https://www.findmykol.com/region/northeast"},"country":{"name":"United States","code":"US","status":"verified"}},"identifiers":{"npi":"1124053731","openalex":"A5045760023"},"summary":"James Leyden is Dermatologist at Hospital of the University of Pennsylvania. OpenAlex indexes 20 publications with 623 citations (h-index 10); ClinicalTrials.gov lists 5 registered studies with this person as an investigator.","overview":{"text":"James Leyden, MD, is Dermatologist at Hospital of the University of Pennsylvania. The public record shows 20 publications with 623 citations (h-index 10), centered on Acne / Hidradenitis, Acne Vulgaris, Erythema. It also documents an investigator role on 5 registered clinical trials, industry payments reported by 4 companies, 1 NIH-funded awards (2000–2002).","bullets":["Top research focus: Acne / Hidradenitis","5 registered trials on ClinicalTrials.gov","Open Payments reporting from 4 companies"],"generated_at":"2026-11-06"},"focus":{"indications":[{"label":"Acne / Hidradenitis","therapeutic_area":"Dermatology","trials":4,"topics":0,"strength":12},{"label":"Acne Vulgaris","therapeutic_area":"Dermatology","trials":4,"topics":0,"strength":12},{"label":"Rosacea","therapeutic_area":"Dermatology","trials":1,"topics":0,"strength":3},{"label":"Erythema","therapeutic_area":"Dermatology","trials":1,"topics":0,"strength":3},{"label":"Atopic Dermatitis / Eczema","therapeutic_area":"Dermatology","trials":0,"topics":0,"strength":1}],"research_topics":["Acne / Hidradenitis","Acne 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