Orrin Troum is a Rheumatology/Immunology physician affiliated with University of Southern California. OpenAlex indexes 46 publications with 734 citations (h-index 12); ClinicalTrials.gov lists 1 registered study matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingClinical trials
- Exploratory Trial to Evaluate Premature Endothelial Dysfunction in Early Rheumatoid Arthritis(RA)Compared to Patients With Established RA, and Normal Subjects
Sponsor: Orrin M Troum, M.D. and Medical Associates
- Impact of Subcutaneous Abatacept in Rheumatoid Arthritis Assessing Inhibition of Structural Damage
Sponsor: Orrin M Troum, M.D. and Medical Associates
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
176 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
176 companies with payments on record in CMS Open Payments (2021 onward), matched to this physician's NPI. The itemized breakdown by company, amount and year is part of the full profile. Why? →
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A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments, shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”