Viewpoint

Improving Clinical Trials Reporting in Medicare Claims

JAMA Health Forum 10.1001/jamahealthforum.2026.1528

June 12, 2026 at 11:00 AM EDT

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This Viewpoint discusses the challenges of tracking participants and outcomes after clinical trials end and how more accurately reported National Clinical Trial codes would generate substantial value for researchers, patients, and policymakers.

Corresponding Author: Mireille Jacobson, PhD, Leonard Davis School of Gerontology, University of Southern California, 3715 McClintock Ave, Los Angeles, CA 90089 (mireillj@usc.edu).

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